Baumr-AG SX62 Bedienungsanleitung
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User Manual
[Revision 12.0 February 2022]
READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY, PROPERTY DAMAGE AND MAY
VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE. • Products covered by this manual may vary in appearance,
assembly, inclusions, specifications, description, and packaging.
The product is NOT supplied with engine oil, although traces of oil from the manufacturing process may be present. It is essential to add
adequate engine oil of the correct type to the engine before use. Failure to add engine oil will void the product warranty.
Petrol Powered Chainsaws
E&OE © -AG 2 2022 Bäumr
Safety
Safety messages are designed to alert you to possible dangers or hazards that could cause death, injury or
equipment or property damage if not understood or followed. Safety messages have the following symbols:
You WILL be KILLED or
SERIOUSLY INJURED if you
do not follow instructions.
You CAN be KILLED or
SERIOUSLY INJURED if you
do not follow instructions.
You CAN be INJURED if you
do not follow instructions or
equipment damage may occur.
It is vital that you read and understand
this user manual before using the product,
including safety warnings, and any
assembly and operating instructions.
Keep the manual for future reference.
Safety precautions and recommendations
detailed here must be fully understood
and followed to reduce the risk of injury,
fire, explosion, electrical hazard, and/or
property damage.
Safety information presented here is
generic in nature some advice may not –
be applicable to every product. The term
"equipment" refers to the product, be it
electrical mains powered, battery powered
or combustion engine powered.
• - Before Use If you are not familiar with
the safe operation/handling of the
equipment, or are in any way unsure of
any aspect of suitability or correct use
for your application, you should
complete training conducted by a
person or organization qualified in safe
use and operation of this equipment,
including fuel/electrical handling and
safety.
• Do NOT operate the equipment in
flammable or explosive environments,
such as in the presence of flammable
liquids, gases or dust. The equipment
may create sparks or heat that may
ignite flammable substances.
• Keep clear of moving parts.
• Equipment may be a potential source of
electric shock or injury if misused.
• Do NOT operate the equipment if it is
damaged, malfunctioning or is in an
excessively worn state.
• Do NOT allow others to use the
equipment unless they have read this
manual and are adequately trained.
• - Keep packaging away from children
risk of suffocation! Operators must use
the equipment correctly. When using
the equipment, consider conditions and
pay due care to persons and property.
General Work Area Safety
• Work areas should be clean and well it.
• Do not operate the equipment if
bystanders, animals etc are within
operating range of the equipment or the
general work area.
• If devices are provided for connecting
dust extraction / collection facilities,
ensure these are connected and used
properly. Dust collection can reduce
dust-related hazards.
General Personal Safety
• Wear appropriate protective equipment
when operating, servicing, or when in
the operating area of the equipment to
help protect from eye and ear injury,
poisoning, burns, cutting and crush
injuries. Protective equipment such as
safety goggles, respirators, non-slip
safety footwear, hard hat, hearing
protection etc should be used for
appropriate equipment / conditions.
Other people nearby should also wear
appropriate personal protective
equipment. Do not wear loose clothing
or jewellery, which can be caught in
moving parts. Keep hair and clothing
away from the equipment.
• Stay alert and use common sense
when operating the equipment. Do not
over-reach. Always maintain secure
footing and balance.
• Do not use the equipment if tired or
under the influence of drugs, alcohol or
medication.
• This equipment is not intended for use
by persons with reduced physical,
sensory or mental capabilities.
General Fuel Safety
• Petrol/fuel/gasoline is extremely
flammable – keep clear of naked
flames or other ignition sources.
• Do not spill fuel. If you spill fuel, wipe it
off the equipment immediately if fuel –
gets on your clothing, change clothing.
• Do NOT smoke near fuel or when
refuelling.
• Always shut off the engine before
refuelling.
• Do NOT refuel a hot engine.
• Open the fuel cap carefully to allow any
pressure build up in the tank to release -
slowly.
• Always refuel in well ventilated areas.
• Always check for fuel leakage. If fuel
leakage is found, do not start or run the
engine until all leaks are fixed.
General Carbon Monoxide Safety-
• Using a combustion engine indoors
CAN KILL IN MINUTES. Engine
exhaust contains carbon-monoxide a –
poison you cannot smell or see.
• Use combustion engines OUTSIDE
only, and far away from windows, doors
and vents.
General Equipment Use and Care
• The equipment is designed for
domestic use only.
• Handle the equipment safely and
carefully.
• Before use, inspect the equipment for
misalignment or binding of moving
parts, loose components, damage or
any other condition that may affect its
operation. If damaged, have the
equipment repaired by an authorised
service centre or technician before use.
• Prevent unintentional starting of the
equipment - ensure equipment and
power switches are in the OFF position
before connecting or moving
equipment. Do not carry equipment
with hands or fingers touching any
controls. Remove any tools or other
items that are not a part of the
equipment from it before starting or
switching on.
• Do not force the equipment. Use the
correct equipment for your application.
Equipment will perform better and be
safer when used within its design and
usage parameters.
• Use the equipment and accessories
etc. in accordance with these
instructions, considering working
conditions and the work to be
performed. Using the equipment for
operations different from those
intended could result in hazardous
situations.
• Always keep equipment components
(engines, hoses, handles, controls,
frames, housings, guards etc) and
accessories (cutting tools, nozzles, bits
etc) properly maintained. Keep the
equipment clean and, where applicable,
properly lubricated.
• Store the equipment out of reach of
children or untrained persons. To avoid
burns or fire hazards, let the equipment
cool completely before transporting or
storing. Never place or store the
equipment near flammable materials,
combustible gases or liquids etc.
• -The equipment is not weather proof,
and should not be stored in direct
sunlight, at high ambient temperatures
or locations that are damp or humid.
• Do not clean equipment with solvents,
flammable liquids or harsh abrasives.
• For specific equipment safety use and
care, see Equipment Safety.
Petrol Powered Chainsaws
E&OE © -AG 3 2022 Bäumr
General Electrical Safety
• Inspect electrical equipment, extension
cords, power bars, and electrical fittings
for damage or wear before each use.
Repair or replace damaged equipment
immediately.
• Ensure all power sources conform to
equipment voltage requirements and
are disconnected before connecting or
disconnecting equipment.
• When wiring electrically powered
equipment, follow all electrical and
safety codes.
• Wherever possible, use a residual
current device (RCD).
• High voltage / high current power lines
may be present. Use extreme caution
to avoid contact or interference with
power lines. Electrical shock can be
fatal.
General Electrical Safety
• Electrically grounded equipment must
have an approved cord and plug and
be connected to a grounded electrical
outlet.
• Do NOT bypass the ON/OFF switch
and operate equipment by connecting
and disconnecting the electrical cord.
• Do NOT use equipment that has
exposed wiring, damaged switches,
covers or guards.
• Do NOT use electrical equipment in wet
conditions or in damp locations.
• Do NOT use electrical cords to lift,
m ove or carry equipment.
• Do NOT coil or knot electrical cords,
and ensure electrical cords are not trip
hazards.
General Service Information
• The equipment must be serviced or
repaired at authorised service centres
by qualified personnel only.
• Replacement parts must be original
equipment manufacturer (OEM) to
ensure equipment safety is maintained.
• Do NOT attempt any maintenance or
repair work not described in this
manual.
• After use, the equipment and
components may still be hot allow the –
equipment to cool and disconnect spark
plugs and/or electrical power sources
and/or batteries from it before making
adjustments, changing accessories or
performing repair or maintenance.
• Do NOT make adjustments while the
equipment is running.
• Perform service related activities in
suitable conditions, such as a
workshop.
• Replace worn, damaged or missing
warning/safety labels immediately.
Petrol Powered Chainsaws
E&OE © -AG 4 2022 Bäumr
Safety Symbols
The product may have safety warning labels attached to it, explained below. Understand the symbols on
your product and their meanings. If any stickers become unreadable, unattached etc, replace them.
Flammable Material Hazard
Flammable liquids, gases or
substances etc may present.
Avoid ignition sources and
open flames. Danger of fire.
Read User Manual
Read and fully understand
product safety warnings,
operation, procedures etc
before using the product.
Use Hand Protection
Wear appropriate hand
protection and take due care
as the product or use of the
product may present hand
hazards.
Carbon- Monoxide Hazard
Do not use the product in
confined areas or without
adequate ventilation. Carbon-
monoxide poisoning can be
fatal.
Electrocution / Electrical
Shock Hazard
High voltage or high current
electricity may be present or
required by the product. Take
due care when handling
electrical products, cables,
plugs and leads. Electrical
shock can be fatal.
Toxic Fumes / Dust Hazard
Using the product or by-
products from use may
produce fumes, smoke or
particles that could be harmful
if inhaled. Wear appropriate
breathing protection and have
adequate ventilation.
Explosive Material Hazard
Combustible liquids, gases or
substances etc may be
present. Avoid ignition sources
and open flames. Danger of
explosion.
Cutting / Amputation Hazard
The product may have blades,
edges or mechanical devices
that can cause severe cut
injury to fingers, limbs etc.
Take due care when handling
and using the product.
Crush Hazard
The product may have blades,
edges or mechanical devices
that can cause severe crush
injury to fingers, limbs etc.
Take due care when handling
and using the product.
Single Operator Only
The product must be operated
by a single person only. More
than one person operating the
product may introduce
additional hazards.
Use Face Protection
Wear appropriate full-face
protection and take due care
as the product or use of the
product may present face and
eye hazards.
Use Foot Protection
Wear appropriate foot
protection and take due care
as the product or use of the
product may present foot
hazards.
Use Eye / Ear / Head
Protection
Wear appropriate eye and / or
ear and / or head protection
and take due care as the
product or use of the product
may present eye, hearing and
head hazards.
Running Hazard
Do not run on or near the
product as doing so may
present a fall hazard.
Diving Hazard
Do not dive into the product as
doing so may present a neck /
head injury hazard.
Adult Supervision Required
Always supervise children and
other users of a product to
prevent drowning or injury.
Skin Penetration / Puncture
Hazard
The product may produce
pressure, emit liquids or
objects that can cause severe
injury to fingers, limbs, blood
etc. Take due care when
handling and using the
product.
Hot Surface Hazard
Be aware that the product may
produce high temperatures
and hot surfaces that can
cause burn injuries.
Flying Debris Hazard
Be aware that the product or
use of the product may
present hazards produced by
flying debris. Wear appropriate
clothing and protectiove
devices.
Moving Parts Hazard
Be aware that the product
contains or uses mechanical
devices that move or rotate.
Always wait for moving parts
to stop fully before handling
the product, adjusting,
maintenence etc.
Petrol Powered Chainsaws
E&OE © -AG 5 2022 Bäumr
Carbon- Monoxide Hazard
Do not use the product in
confined areas or without
adequate ventilation. Carbon-
monoxide poisoning can be
fatal.
Pull Hazard
Be aware that the product
contains or uses mechanical
devices that can pull in objects
and can cause severe injury to
fingers, limbs etc. Take due
care when handling and using
the product.
Slope / Fall Injury Hazard
Be aware that using the
product on sloping surfaces or
in slippery conditions may
present additional dangers
from falls and contact with
blades, moving parts, hot
surfaces etc.
"Slam Dunk" Warning
Do NOT attempt "slam dunk"
maneouvres as this may result
in severe injury due to falling,
product breakage or collapse
etc.
Electrocution / Electrical
Shock Hazard - Outdoor
High voltage or high current
electricity may be present or
required by the product. Do
NOT use in rain, damp or wet
conditions. Electrical shock
can be fatal.
Electrocution / Electrical
Shock Hazard - Disconnect
High voltage or high current
electricity may be present or
required by the product.
Always disconnect the product
from the electrical supply
before handling the product,
adjusting, maintenence etc.
Power Line Electrocution
Hazard
High voltage / high current
power lines may be present.
Use extreme caution to avoid
contact or interference with
power lines. Electrical shock
can be fatal.
"Kick-Back" Hazard
High level of "kick-back"
hazard that can cause the
machine to suddenly rotate
towards operator. Kick-back
injury can be fatal.
Winch Operator Position
Hazard
Do NOT stand between winch
and load. Do NOT use winch
to move people.
Winch Lift Hazard
Do NOT LIFT load vertically.
Use machine to PULL only.
Cable Hazard
Ensure that load bearing cable
is not kinked or knotted.
Winch Cable Hazard
Ensure that there is a
minimum number of cable
coils on winching mechanism.
Winch Hook Hazard
Carry hook to load do NOT –
throw or run.
Flash / Blinding Hazard
Wear appropriate eye
protection for welding. Dorect
exposure to weld arcs may
cause permanent eye injury.
Laser Hazard
Laser may be in use do NOT –
look directly at laser, or allow
others to.
Petrol Powered Chainsaws
E&OE © -AG 6 2022 Bäumr
Equipment Safety
Chainsaws are high-speed, fast cutting equipment with exposed blades that can cause -
serious or fatal injury if not used correctly or without taking proper safety precautions. It is
extremely important that you read and fully understand the information in this section and all other
safety warnings / recommendations and usage instructions before using the equipment.
Operator
• If you are untrained in the use of a chainsaw, it is highly recommended that you be trained/instructed by
a suitably qualified or experienced chainsaw user before using the machine.
• Fully understand how to safely operate the machine and the sawing process to avoid "kick back". See -
Chainsaw Operation.
• You must be in good physical condition to use a chainsaw. NEVER operate the machine when tired, or
under the influence of any substance (medication, alcohol, drugs etc) that may impair your judgement,
alertness, physical strength, vision or dexterity.
• Maintain sure footing and balance always when using or handling the chainsaw and have full awareness -
of your surroundings and any possible hazards.
• Prolonged chainsaw use may lead to health complications, such as carpal tunnel syndrome, due to
vibration. To help reduce the possibility of such conditions, wear gloves, take breaks frequently, keep
fingers and hands warm, and maintain the equipment for optimal operation and minimal vibration. It is
recommended to seek medical advice if you feel numbness or burning sensations in fingers/hands.
Clothing and Protective Equipment – All Operators and Assistants
• Wear approved safety goggles, or safety glasses with adequate top and side protection. In addition to
eye protection, wearing a full face shield is highly recommended.-
• Wear suitable hearing protection.
• Wear an approved safety hard- hat.
• Wear heavy- -duty, non slip leather or protective gloves.
• Wear approved heavy duty safety boots, with steel toe caps and non- - - slip soles.
• Wear suitable overalls or work clothing that fits snugly, but does not restrict movement. It is highly
recommended to provide additional cut protection to legs, such as Kevlar chaps. Avoid loose fitting
clothing, scarves, jewellery etc and keep long hair contained to avoid getting caught or pulled by the
chainsaw or by tree branches etc.
Work Area Safety
• Use EXTREME CAUTION to avoid power lines contact can be fatal. Do NOT cut branches touching –
power lines or that may fall onto power lines when cut.
• To operate the chainsaw at height it is highly recommended to use a "scissor lift" or "cherry picker" and
ensure that the work platform is completely stable. Do NOT use ladders, ropes or tree branches.
• Ensure that any person other than the operator and any assistants is kept a minimum 25m (75') away
from where the equipment is being used or where there is any possibility of falling branches, trees etc.
Be aware of any property that may be affected by falling branches, trees etc.
• Be aware of fire risks resulting from machine use. Ensure that the machine exhaust and spark arrestor (if
equipped) is well maintained and that engine is tuned correctly.
• Refuel outdoors only. Avoid fuel spillage. Start the machine at least 3m (10') away from the fuelling
location.
Petrol Powered Chainsaws
E&OE © -AG 7 2022 Bäumr
Operational Safety
• Do NOT use the machine if the throttle or any safety guard or mechanism is not installed or is not
operating correctly have the machine inspected and repaired at an authorised service centre before –
using it again.
• Fully understand how to safely operate the machine and the sawing process to avoid "kick back". See -
Chainsaw Operation.
• Always hold the machine firmly with both hands during operation. Always use the machine handles.
• Do NOT use a ladder or tree branches as a platform when using the machine at height always use a–
stable, flat platform such as a cherry-picker or scissor-lift.
• Do NOT use the equipment for purposes it is not designed for, such as wood chipping.
• Before cutting any branch, limb, pruning or cross cutting, ensure that none of the materials to be cut is -
under tension that may be released unexpectedly during cutting.
• Tree felling should be performed by trained and experienced personnel only. If in any doubt, seek
assistance and advice.
Transportation Safety
• Always STOP the engine and activate the chain-brake before
putting the machine down, transporting or working on it (refuelling,
adjusting etc).
• Fit the blade sheath whenever transporting or storing the machine.
• When walking with the machine, ensure the engine is OFF and the
chain brake is engaged, and the blade sheath is installed. Hold the
machine by the upper handle, with the blade pointing backwards
and the exhaust away from the body.
• When transporting the machine in a vehicle, ensure the engine is OFF and the chain brake is engaged,
and the blade sheath is installed. Secure the machine in an upright position to prevent tip over, machine -
damage or fuel spills.
Petrol Powered Chainsaws
E&OE © -AG 8 2022 Bäumr
Table of Contents
Safety ................................................................................................................................................... 2
Safety Symbols .......................................................................................................................................... 4
Equipment Safety ............................................................................................................................... 6
Applicable Models ........................................................................................................................... 10
Parts Identification ........................................................................................................................... 11
Parts List ........................................................................................................................................... 13
Before Use Checklist ....................................................................................................................... 15
Assembly ................................................................................................................................................. 15
Air Filter .................................................................................................................................................... 18
Fuel .......................................................................................................................................................... 18
Saw Chain Lubricant ................................................................................................................................ 18
Spark Plug ............................................................................................................................................... 18
Saw Chain Tension .................................................................................................................................. 18
Checking Tension .............................................................................................................................. 19
Adjusting Tension .............................................................................................................................. 19
Engine Starting and Stopping ........................................................................................................ 20
Starting the Engine................................................................................................................................... 20
Stopping the Engine ................................................................................................................................. 20
Environmental Considerations ................................................................................................................. 20
Chainsaw Operation ........................................................................................................................ 21
Understanding and Avoiding "Kick-Back" and Other Reactionary Forces ................................................ 21
Using the Chain Brake ............................................................................................................................. 22
Basic Cutting Guidelines .......................................................................................................................... 23
Saw Chain and Chain Bar ........................................................................................................................ 24
Inspection and Cleaning .................................................................................................................... 24
Chain Lubricant ........................................................................................................................................ 25
Air Filter .................................................................................................................................................... 26
Inspection and Cleaning .................................................................................................................... 26
Removal/Installation .......................................................................................................................... 26
Spark Plug ............................................................................................................................................... 27
Cleaning and Gap Checking ............................................................................................................. 27
Removal/Installation .......................................................................................................................... 27
Fuel Strainer ............................................................................................................................................ 28
Inspection and Cleaning .................................................................................................................... 28
Removal/Installation .......................................................................................................................... 28
Chain Lubricant Strainer .......................................................................................................................... 29
Inspection and Cleaning .................................................................................................................... 29
Removal/Installation .......................................................................................................................... 29
Petrol Powered Chainsaws
E&OE © -AG 9 2022 Bäumr
Engine Tuning Guidelines ........................................................................................................................ 30
Carburettor Adjustments .................................................................................................................... 30
Factory Settings ................................................................................................................................. 31
Tuning................................................................................................................................................ 31
Cleaning Guidelines ................................................................................................................................. 32
Maintenance Schedule Stroke Engines / Machines– 2- .............................................................. 33
Transportation and Storage ............................................................................................................ 34
Troubleshooting ............................................................................................................................... 35
Specifications ................................................................................................................................... 37
Engine Service and Maintenance Record ..................................................................................... 38
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 10
Applicable Models
This manual applies to the following Bäumr AG chainsaws:-
SX92 24"
SX82 24"
SX76 24"
SX75 22"
SX62 20"
SX52 20"
SX45 18"
SX38 16"
SX25 10"
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 11
Parts Identification
Chainsaws come with all parts required for normal domestic use. A basic toolkit may also be included. It is
strongly recommended that you familiarise yourself with all major components of the machine before using it
or performing any maintenance tasks.
Products detailed in this manual may vary in appearance, inclusions, description and packaging
from those shown or described. This section shows typical major components common to most 2-
stroke petrol powered chainsaws; the position of some components may also vary between models.
No. No. Name Name
1 Chain Bar 11 Starting Cord
2
Saw Chain
12
Decompression Button (applicable models)
3
Upper Handle
13
Air Filter Cover (filter inside)
4
Choke Control
14
Engine ON / OFF Switch
5 Exhaust 15 Throttle Lockout
6 Fuel Filler Cap 16 Throttle Control
7 Chain Lubricant Filler Cap 17 Log Spike (where applicable)
8 Rear Handle 18 Chain Tension Adjustor (mechanism may vary
between models)
2
3
4
5
6
7
8
10
12
1
14
13
15
17
11
16
9
18
19
20
a
b
c
d
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 12
No. No. Name Name
9 Spark Plug (underneath air filter cover on some
models)
19 Chain Drive Cover (drive mechanism, clutch and
chain brake inside)
10 20 Chain Brake Handle Accessories:
a. File
b. Screwdriver
c. Spare worm drive
d. Nut removal tool
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 13
Parts List
Spare parts available for purchase, scan QR codes below:
QR Code SKU QR Code SKU
CHNSAWBMRA4X0
CHNSAWBMRA5X0
CHNSAWBMRA9X2
CHNSAWBMRA6X2
CHNSAWBMRA8X5
CHNKITBMRA52S
CHNSAWBMRA2X5
CHNSAWBMRA5X2
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 14
QR Code SKU QR Code SKU
CHNSAWBMRC9X2
CHNSAWBMRA4X5
CHNSAWBMRA7X5
CHNSAWBMRA8X0
CHNSAWBMRB9X2
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 15
Before Use Checklist
Ensure that you carry out all procedures starting the engine or operating the below before
equipment. All procedures described are generic in nature and slight variations between different
models may exist. Failure to follow the checklist and carry out the procedures correctly may result in
making the product warranty void. • The saw chain cutters are very sharp wear suitable protective –
gloves when handling the saw chain.
Assembly
Typically, the equipment requires minimal assembly, however, the
requirements for assembly may vary between models. Prior to
assembly, unpack all components and check that all items have
been received.
The adjacent image shows a typical chainsaw after unpacking,
including chainsaw body, chain bar, saw chain, log spike, vibration
dampener, fuel bottle, chain sheath, tools and fasteners.
1. Remove the chain drive cover ( ), then pull the chain A) nuts (B
drive cover from the chainsaw body. If the cover is difficult to
remove, the chain brake may be engaged ngage the – dise
chain brake by pulling the chain brake handle (AA) back
towards the machine body.
The chainsaw may come supplied with plastic spacers
(BB) underneath the chain drive cover and over or
around the chain drive cover studs (CC) – these spacers are for
shipping purposes only and must be discarded before mounting
the chain bar After removing the chain drive cover, remove and .
discard any spacers, then mount the chain bar and saw chain
as described. Failure to remove any spacers before
assembling and using the chainsaw may present an injury
hazard and/or damage the machine, and will void product
warranty.
BB
CC
AA
B
A
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 16
Log Spike
2. If the machine is equipped with a log spike ( however, is not installed, place the log spike into position C),
at the front of the machine body, then secure it using the supplied fasteners (D).
Vibration Dampener
If the screw supplied to attached the vibration dampener is not long enough to be securely screwed
in, swap it for a longer screw, or swap it for one of the log spike screws.
3. If the machine is equipped with a vibration dampener (E), however, is not installed, place the dampener
into position beneath the chain bar mounting.
4. Push down on the dampener and hold it down, then secure it using the supplied fastener (F).
E
F
D
C
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 17
Chain Bar and Chain
5. Place the saw chain ( ) into position and G
engage it with the drive sprocket (EE). The
drive sprocket may be above or below the
clutch (FF), depending on model. Ensure that
the sharp edges of the saw chain cutters (DD)
are facing the correct direction.
6. Place the chain bar (H) into position so the
drive chain cover studs protrude through the
slot in the chain bar.
7. Wrap the chain around the chain bar so it is
sitting in the chain bar groove.
8. Lower the chain drive cover into position (ensure the chain brake is off, otherwise it will not be possible
to fit the cover), ensuring that chain tension spigot ( ) engages with its hole ( ) in the chain bar (it GG HH
may be necessary to adjust the position of the chain tension spigot – see Adjusting Saw Chain Tension)
and the drive cover studs enter the mounting holes in the chain drive cover.
9. -Re install the chain drive cover nuts, and tighten to "finger tight" only, then - adjust chain tension.
DD
EE
FF
H
GG
HH
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 18
Air Filter
The air filter is used to prevent dirt and other particles from possibly entering the engine and causing internal
damage to it. The air filter requires regular maintenance.
Always check the air filter before starting the engine. See Checking, Cleaning and Replacing the Air Filter.
Fuel
Petrol/fuel/gasoline is extremely flammable keep clear of naked flames or other ignition –
sources. • The engine must be OFF and cool before refuelling. • Always pre-mix the fuel
before placing it in the fuel tank. • The fuel to 2-stroke engine oil mixture ratio is 25:1.
Adequately fill the fuel tank with the correct fuel type.
• -Use non ethanol unleaded petrol mixed at a ratio with 225:1 -stroke engine oil (higher RON values and
good quality 2-stroke oil will provide best engine performance). Do not use old or contaminated fuel/oil.
Fuel/oil mix ratio examples are shown below.
Petrol (Litre) Gas (US Gal) 1 2 5 10 0.5 1 2 3
Oil (Millilitre) Oil (Fl. Oz) 40 80 200 400 2.56 5.12 10.24 15.36
To fill or top up fuel:
1. Place the machine in a horizontal position on a flat and level surface with the fuel filler cap facing up.
2. Clean the machine around the fuel filler so that no dirt or other material enters the engine when the cap
is removed.
3. Remove (rotate left) the fuel filler cap.
4. Using a funnel, carefully fill the tank with fuel. Do not fill above the top of the strainer (if equipped) or
otherwise overfill the tank.
5. When finished, reinstall (rotate right) the fuel filler cap until firm. Wipe away any residual fuel from the
machine. If fuel has been spilt, move the machine away from the spillage before starting the engine.
Saw Chain Lubricant
The saw chain and drive system requires adequate lubricant of the correct type to operate safely and
efficiently. The machine is shipped without chain lubricant. Check the chain lubricant level and ensure that it
is at the recommended level. See Checking and Adding Chain Lubricant.
Spark Plug
The spark plug may come disconnected from the spark plug lead. If this is the case, place the electrical lead
over the spark plug terminal and push it down so that it connects firmly with the terminal. See Spark Plug
Removal/Installation.
Saw Chain Tension
Ensure that the saw chain is correctly tensioned and the chain drive cover nuts are properly
tightened before use and during cutting. • The saw chain will "stretch" with use, so it is
important to check chain tension before and during use • The saw chain cutters are very sharp – wear
suitable protective gloves when handling the saw chain. • Do NOT check chain tension with the engine
running. • Do NOT adjust chain tension with the engine running.
Correct saw chain tension is extremely important in terms of both machine efficiency and operator safety.
Check chain tension before each use. Check chain tension frequently during use whenever the machine is –
put down (engine MUST be stopped first).
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 19
Checking Tension
1. Switch the engine OFF and ensure that the chain brake is disengaged.
2. The saw chain should fit snugly into the groove in the chain bar and it must be possible to pull the chain
along the bar by hand. You should be able to lift the saw chain just out of the chain bar groove without
excessive effort.
3. If the chain "sags" under the chain bar or can be lifted well out of the chain bar groove, it is too loose.
4. If the chain is snug in the chain bar groove but cannot be lifted out slightly or be pulled around the bar by
hand, it is too tight.
Adjusting Tension
There are two main variations in adjustment mechanism, with the adjusting screw ( ) being located either A
along the front edge of the chain drive cover, or on the side of the chain drive cover.
1. Switch the engine OFF and ensure that the chain brake is disengaged.
2. Remove the chain drive cover nuts ( remove the cover. Be B), and
careful to prevent the chain bar falling out.
3. Remove any sawdust, wood particles, dirt etc from the adjustment screw
mechanism and threads (C) – it is easy for the threads to be damaged if
adjustment is attempted on a dirty mechanism.
4. -Re install the chain drive cover, however, screw the chain drive cover
nuts on to "finger-tight" only – it should be possible to lift the end of the chain bar slightly.
5. Lift and hold the end of the chain bar up, then using a suitable screwdriver, rotate the adjustment screw
as required – rotate right (clockwise) to increase tension; rotate left (anti clockwise) to reduce tension.-
6. While still holding the end of the chain bar up, securely tighten the chain drive cover nuts.
7. Check chain tension and re-adjust, if necessary.
A
LOOSE
TIGHT
CORRECT
A
B
B
SIDE MOUNT
FRONT
MOUNT
C
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 20
Engine Starting and Stopping
Ensure that blade sheath is removed and that the saw chain is not in contact with, or near
any objects before starting the engine. • Once the engine is running at sufficient speed, the
clutch will engage and begin rotating the saw chain. • Do NOT "drop start" the machine as this is extremely
dangerous. • Do NOT start the engine with the chain bar in a cut or touching any object. • ENGAGE
the chain brake before starting the engine. • If the engine is new or is being re-started after completely
running out of fuel, it may be necessary to pull the starter cord several times for fuel to reach the carburettor.
Starting the Engine
1. – CHOKE If the engine is cold, place the choke ( ) in the "COLD" position. If the engine is warm or the A
ambient temperature is high, place the choke in the "RUN" position.
2. – IGNITION Place the engine ON/OFF switch ( ) in the "ON" (" ") position.B I
3. – DECOMPRESS If the engine is fitted with a decompression button (generally, larger capacity engines),
press the button in, otherwise it may not be possible to start the engine.
4. – START When starting the engine, ensure that the machine is on the
ground, and steady it with one foot in the rear handle and one hand
gripping the top handle before pulling the starter cord. Slowly pull out the
starter cord (C) until you feel it engage with the engine, then pull it out
rapidly. Allow the starter cord to rewind slowly do not let it "snap" back.–
On first use, the starter cord may need to be pulled several times to draw
fuel into the carburettor. Once the engine "sputters" or "kicks", place the
choke ( ) in the "RUN" position, squeeze the throttle once then release it, A
then repeat from step 3.
5. – WARM-UP Allow the engine to warm up and run smoothly. If choke is being applied, gradually move -
the choke (A) to the "RUN" position. For some models, the choke automatically shifts to the "RUN"
position when the throttle is squeezed.
If the engine does not start, repeat step 3 onward. If the engine fails to start after several attempts, refer to
Troubleshooting.
Stopping the Engine
To stop the engine release the throttle and place the engine , ON/OFF switch position " " in the OFF .
Environmental Considerations
Altitude – If the engine is being used in altitudes at or above 1500m (approximately 5000'), adjustments to
the carburettor may be required. This is because there is less oxygen in the air as altitude increases, which
effectively "enriches" the ratio of fuel to air going into the engine, and the higher the altitude, the richer the
fuel mixture becomes. If the engine is being permanently operated at high altitude, it is recommended to
have an authorized service centre make the necessary carburettor adjustments. If the engine is used
occasionally at altitude (not extreme altitudes), no adjustments should be required, however, a slight
decrease in engine performance can be expected.
A
B
C
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 21
Chainsaw Operation
Chainsaws are high-speed, fast cutting equipment with exposed blades that can -
cause serious or fatal injury if not used correctly or without taking proper safety
precautions. It is extremely important that you read and fully understand the information in this
section and all other safety warnings / recommendations and usage instructions before using the
equipment. • Always wear suitable protective clothing and equipment when using the machine. • Inspect the
machine before each use and check for wear or damage. If the machine is damaged, have it inspected and
repaired at an authorised service centre before using it again. • If you experience excessive vibration from
the machine during operation, this may indicate wear or damage. It is recommended to have it inspected and
repaired before using it again. • Be aware that once the engine is running, the cutting blades will be rotating
and parts of the machine may be extremely hot. • Do NOT allow the engine to run above idle speed if the
chain brake is engaged or t pinched etc he saw chain is – running for more than a few seconds with
the chain brake engaged may cause severe damage to the clutch or chain brake mechanism and/or
make the chain brake mechanism unsafe. • Ensure that the saw chain is correctly tensioned and the chain
drive cover nuts are properly tightened before use and during cutting. • Always release chain tension after
finishing work to prevent damage through over tension as the saw chain cools and contracts.-
When the engine is idling (slowest continuous running speed), the clutch should disengage, preventing the
saw chain from being rotated. As engine speed increases, the clutch engages and rotates the saw chain.
Note the following recommendations:
• Operate the engine at full speed when cutting.
• Cut according to the recommended methods. If in doubt, do NOT cut – seek professional advice.
Understanding and Avoiding "Kick-Back"
and Other Reactionary Forces
Kick-back and other reactionary forces can cause
loss of control of the machine and can result in
serious, even fatal injury use the chainsaw in ways to – avoid kick -
back and other reactive forces at all times.
When the saw chain is rotating, many forces are created, such as the
ability to cut. The contact point between the chainsaw and object to cut is
critical. If the chainsaw is not used correctly, cutting forces may become
"reactionary", in that instead of the chain rotating, a reactionary force is
created. Many factors affect the occurrence and force of reaction, such as
saw chain speed, contact angle, and saw chain condition.
Kick- Back
"Kick-back" is a reactionary force that causes the chain
bar to rotate up and back, against the direction of cut.
Kick-back can also be thought of as the chain cutters at
the tip of the chain bar – the "kick-back zone", "digging
in" to the object to be cut and momentarily stopping or
significantly slowing rotation of the saw chain, which
causes the chainsaw to suddenly and quickly rotate
backwards towards the operator.
The chain brake handle is a safety device that is designed to apply the chain
brake if the handle is moved forward. During a "kick the sudden -back" event,
rotation upward of the chain bar will cause the chain brake handle to activate
through inertia or to contact the operator's hand or arm, therefore engaging the
chain brake. To avoid kick-back:
• Do NOT use the tip of the saw for cutting or alow it to make contact with any
object.
NEVER ALLOW ANY OBJECT
TO COME INTO CONTACT
WITH THE KICK-BACK ZONE
Kick-Back
Zone
Video Tutorial:
How to Set Up Your Chainsaw
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 22
• Always hold the machine firmly by both front and rear handles when operating.
• Maintain saw chain sharpness and the correct cutter shape and cutting depth.
• Do NOT use the machine above shoulder height or in any way where the machine cannot be securely
held with both hands or the entire machine is not visible to the operator.
• Cut one piece of timber at a time.
• Use extreme caution when inserting the saw into a previous cut.
• Be alert to log shifting or other forces that may close over or pinch the saw chain.
• Stand to the side of the saw chain cutting path.
• Use extreme caution when plunge cutting.
Pull In-
"Pull-in" is a reactionary force that causes the chainsaw to pull forward in the
direction of cut. Pull in can also be thought of as the chain cutters at the bottom -
of the chain bar being caught, pinched or "digging in" to the object to be cut and
momentarily stopping or significantly slowing rotation of the saw chain, which
causes the chainsaw to suddenly and quickly pull forward and away from the
operator. To avoid pull- in:
• Ensure that the log spike (if equipped) is making good contact with the log.
• Use wedges to help prevent cuts closing in over the saw chain.
Push Back-
"Push-back" is a reactionary force that causes the chainsaw to push backward
against the direction of cut. Push back can also be thought of as the chain cutters -
at the top of the chain bar being caught, pinched or "digging in" to the object to be
cut and momentarily stopping or significantly slowing rotation of the saw chain,
which causes the chainsaw to suddenly and quickly push back towards the
operator. To avoid push-back:
• Cut one piece of timber at a time.
• Avoid twisting the saw chain when withdrawing the saw from cuts.
Using the Chain Brake
The chain brake prevents the saw chain rotating, even while the engine is
running. Engage the chain brake:
• In an emergency.
• Before starting the engine.
• When the engine is idling.
• When transporting or storing the machine.
To engage the chain brake, push the chain brake handle forward until it
"clicks" into position.
To release the chain brake, pull the chain brake handle backward until the
brake disengages. Always disengage the chain brake before commencing
cutting work.
Testing
To check operation of the chain brake, engage it, then start the
engine. With the brake still engaged, run the engine to full throttle
for no more than 2 seconds – if the saw chain does not rotate, the
chain brake is operational. If the saw chain rotates at all during the test, do
NOT use the machine have it serviced at an authorised service centre.–
Chain Brake
O FF
Chain Brake
ON
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 23
Basic Cutting Guidelines
The following information are general guidelines to chainsaw use:
Removing Branches/Limbs from Fallen Trees (Limbing)
• Be alert to high kick back dangers from other - branches or tree trunk.
• Be alert to branches/limbs under tension that could move suddenly or launch when being cut.
• Do NOT stand on the log.
• Remove the thinner upper branches first, then move down the trunk to the lower larger branches.
Cutting Logs into Sections (Bucking)
• Ensure the log is stable and cannot move or roll.
• Do NOT stand on the log.
• Cut one piece of timber at a time.
• Do NOT permit another person to hold the log. Do Not steady the log
with your legs or feet.
• When cutting logs under tension or strain, be alert to pinching the saw chain. Start by making a cut on
the compression side ( ), then cut from the tension side (1 2).
Basic Tree Felling
• Be alert to any power lines, cable or structures.
• Maintain a minimum distance of 2.5 times the height of the tree being
felled to any other person.
• Always consider all conditions that may affect the fall direction of the
tree, including structures and/or other tress, tress condition and decay,
wind direction and speed, slope of the land etc.
• Establish escape paths ( ) that can be used if the tree does not fall as A
expected. The paths should be clear of obstacles, including equipment,
and be at 45° angles to the opposite direction of tree fall (B).
• Use extreme caution when felling trees that are decayed or rotten inside
or if the trunk is under tension due to tree weight etc.
• For large buttress roots, remove the roots before felling. When cutting into
buttress roots, cut vertically (1) first, then horizontally ( ). Remove the 2
section of root.
• Cut the felling notch (C) perpendicular (90°) to the line of fall and as close to
ground level as practical The angled cut (. 5) of the felling notch should be
cut first and at an approximate 45° to the trunk and should extend into the
trunk approximately 20 to 25% of the trunk diameter. Then, make the
horizontal cut ( ) of the felling notch. Remove the section of trunk.6
• Make the horizontal felling cut (7)
approximately 25 to 50mm (1 to 2")
above the centre of the felling notch, and
extend it into the trunk so that
approximately 10% of the trunk remains
uncut to create the "hinge" ( do NOT E) –
cut through the hinge.
• To start and control direction of the fall,
drive wooden wedges into the felling cut
( . 7), as needed
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 24
Saw Chain and Chain Bar
Ensure that the saw chain is correctly tensioned and the chain drive cover nuts are properly
tightened before use and during cutting. • The saw chain will "stretch" with use, so it is
important to check chain tension before and during use • The saw chain cutters are very sharp – wear
suitable protective gloves when handling the saw chain. • Use replacement parts from, or recommended by,
the manufacturer. • Always replace the saw chain and/or chain bar with replacements of the correct type
(see Specifications). • Turn the chain bar over whenever the saw chain is changed or sharpened to help
prevent uneven wear on the chain bar. • It is recommended to have saw chains sharpened professionally.
Inspection and Cleaning
It is essential for efficient operation and safety that the saw chain and chain bar are properly maintained.
Replace the saw chain if it:
• Shows signs of damage, such as broken or chipped cutters, damaged rivets, corrosion etc.
• Can no longer be properly tensioned due to "stretch".
• Can no longer be sharpened properly.
To clean the saw chain, soak it in a proprietary saw chain cleaning solution, solvent, or mixture of ammonia
and water for approximately 15 minutes to help remove dirt, grease and resin/sap. After soaking, brush the
saw chain thoroughly with a saw chain brush or stiff bristle wire brush to remove any stubborn particles, then
lubricate the chain.
Replace the chain bar if it:
• Shows signs of damage, such as bending, cracks, chips or corrosion.
• The top edges of the chain bar groove become worn unevenly.
• The depth of the saw chain groove is no longer deep enough for the saw chain to
seat correctly and run along the top edges of the chain bar groove.
To clean the chain bar, use a proprietary saw chain cleaning solution, solvent, or
mixture of ammonia and water to help remove dirt, grease and resin/sap, particularly
from within the saw chain groove (A) and the lubricant inlet hole ( ). Use suitable tooB
or objects to help dislodge any stubborn particles from within the saw chain groove.
To remove the saw chain and chain bar:
1. Switch the engine OFF and ensure that the chain brake is disengaged.
2. Remove the chain drive cover nuts ( ), and remove ). Be careful to D the cover (C
prevent the chain bar falling out.
3. Carefully extract the saw chain (E) from the chain bar ( ) groove and chain drive gear, then remove the F
saw chain.
4. Carefully lift the chain bar from the chain drive cover studs (G).
5. Clean away any sawdust, wood particles, dirt etc from the chain drive cover, clutch, chain brake and
tension adjustment mechanism and threads (H) – it is easy for the threads to be damaged if adjustment
is attempted on a dirty mechanism.
To install the saw chain, chain bar and chain drive cover, see To tension the saw chain, see here. here.
C
H
A
D
G
F
E
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 25
Chain Lubricant
Always check the chain lubricant level before using the machine and ensure it is at or close to the
recommended level. • Use a suitable chainsaw lubricant. • Do NOT operate the machine without
adequate chain lubricant – failure to do so will damage the saw chain, chain bar and/or other parts of
the machine and is not covered under warranty.
To check chain lubricant level:
1. Place the machine on a flat and level surface with the chain lubricant tank cap ( ) facing up.A
2. Remove (rotate the tank cap. left)
3. Lubricant in the tank will be use an object to lower into the tank to check level.visible or
To add chain lubricant:
1. Remove (rotate left) the chain lubricant tank cap (A).
2. Using a funnel, carefully add chain lubricant to the tank (B) . until its level is close to the filler hole
3. When finished, re-install (rotate right) the chain lubricant tank cap until firm. Wipe off any residual oil from
the machine.
A
B
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 26
Air Filter
Operating the machine without a functional air filter may cause severe engine damage and will void
any warranty , which can be. • A dirty or oil saturated air filter will restrict air flow mistaken as fuel
system problems Check the condition of the air filter before. adjusting engine idle speed, where applicable. •
If the air filter is damaged (torn, broken, disintegrating), replace it.
The air filter is used to prevent dirt and other particles from possibly entering the engine and causing internal
damage to it. The air filter requires regular maintenance as per the maintenance schedule.
Inspection and Cleaning
Inspect the air filter for dirtiness and debris, damage etc. Clean or replace the filter element as necessary. To
clean air filters:
• For foam filters, wash the filter in warm water and mild detergent, then rinse and allow to dry.
• For paper filters, use compressed air to blow particles from it, if possible. The air should be blown from
the engine side of the filter. Tapping the filter element against a hard surface and brushing the pleats
using a soft brush may also help remove debris from the filter.
• For foam filters, place a few drops of clean engine oil on the filter then squeeze it a few times to spread
the oil through the filter material and remove any excess oil.
• It is recommended to clean the air filter cover and air intake assembly of any dirt, cuttings etc.
Removal/Installation
To remove the air filter:
1. Depending on model, the air filter cover ( ) may be secured using a screw ( ) into position. A B), or clips (C
If the cover has a screw, loosen it (rotate left) and remove the cover from the air intake assembly. If the
air filter cover is secured with clips, carefully release them usually, you will need to press the tab of the –
clip to release it. Carefully remove the air filter cover some covers may hinge or have protrusions that –
help locate it against the machine body.
2. Remove the – filter element (D) on some models, the air filter can be pulled out directly, other models
may require removal of another locating screw or clips.
To install the air filter:
1. Insert the air filter element, and ensure it is correctly positioned in relation to the air intake assembly as it
will seat and seal properly in one position only.
2. -Re install the filter cover, ensuring it is fitted properly against the engine and secure it with the screw
(rotate right and tighten by hand. Do not over-tighten), or clips.
A
C
B
A
D
D
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 27
Spark Plug
If the spark plug is damaged (cracked insulator, broken or eroded electrodes etc), replace it. •
Always use spark plugs of the correct "heat range" - see Specifications. • Depending on model, the
spark plug may be accessible directly, or may be located underneath the air filter cover.
The spark plug is used to ignite the air/fuel mixture inside the engine. The spark plug has electrodes on one
end and an electrical terminal on the other. The spark plug requires regular maintenance.
Cleaning and Gap Checking
The spark plug should be checked and cleaned as per the maintenance schedule.
1. Remove any carbon deposits on the spark plug (A) electrodes (B) with a wire
brush.
2. Clean the spark plug threads and the electrical terminal ( ) on the top.C
To check and adjust the spark plug "gap":
1. Use "feeler" or "thickness" gauges ( ) to measure the existing gap. The gauge X
must drag a little when being slid between the electrodes ( this means the 2) –
measurement is fairly accurate.
2. Adjust the gap to within specification (see Specifications). If the gap needs to be
reduced, gently tap the electrode as required. If the gap needs to be increased,
use pliers to gently pull the electrode as required.
3. Measure the gap again and ensure it is within the specified range before re-installing the spark plug.
Removal/Installation
1. Pull the electrical lead (A) and rubber boot (B) from the terminal on top of the spark plug ( n some C). O
models, the spark plug is accessible from underneath the air filter cover and/or underneath the air filter.
2. Clean the area around the spark plug so that no dirt or other material can enter the engine when the
spark plug is removed.
3. Use the spark plug tool ( ) to remove the spark plug (rotate left).D
To re install the spark plug:-
1. Place the spark plug in its hole and screw it in (rotate right) until "finger tight".
2. Use the spark plug tool to tighten the spark plug approximately one quarter turn (do not over-tighten).
3. Place the electrical lead over the spark plug terminal and push it down so that it connects firmly terminal.
4. -Re install the rubber boot and ensure that it is seated firmly against the machine body. Re-install any
other components (air filter, air filter cover etc) that were removed to access the spark plug.
A
B
B
X
C
A
B
C
D
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 28
Fuel Strainer
A dirty or blocked fuel strainer will restrict fuel flow, which can reduce performance and be mistaken
as problems fuel system . Check the condition of the fuel strainer before adjusting engine idle speed,
where applicable. • If the fuel strainer is no longer serviceable, replace it.
The fuel strainer (if equipped) is used to prevent dirt and other particles from possibly entering the fuel
system and engine and causing internal damage to it. The fuel strainer requires regular maintenance as per
the maintenance schedule.
Inspection and Cleaning
Inspect the strainer for dirtiness and debris etc. Clean or replace the strainer as necessary. To clean
strainers:
• Wash the strainer in clean solvent.
• If possible, use compressed air to assist in removing any blockages. Blow air into the strainer from
where it connects to the tube.
Removal/Installation
To remove the strainer:
1. Place the machine in a horizontal position on a flat and level surface with the fuel filler cap facing up.
2. Remove the fuel tank cap (rotate left) and empty the fuel tank (A).
3. Use a hooked object to capture the fuel intake tube ( ) inside the fuel tank and gently puBll it from the
tank.
4. The strainer (C) is installed on the end of the tube to remove it, twist and pull it from the end of the tube–
To install the strainer:
1. Firmly push the strainer onto the fuel intake tube.
2. Place the tube back inside the fuel tank should rest along the bottom of the tank– it . Then, re-install the
tank cap.
A
B
C
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 29
Chain Lubricant Strainer
A dirty or blocked chain lubricant strainer will restrict lubricant flow, which can cause damage to the
chain bar and saw chain, and also reduce performance. • If the chain lubricant strainer is no longer
serviceable, replace it.
The chain lubricant strainer (if equipped) is used to prevent dirt and other particles from possibly entering the
chain lubrication system and causing damage to it. The chain lubricant strainer requires regular maintenance
as per the maintenance schedule.
Inspection and Cleaning
Inspect the strainer for dirtiness and debris etc. Clean or replace the strainer as necessary. To clean
strainers:
• Wash the strainer in clean solvent.
• If possible, use compressed air to assist in removing any blockages. Blow air into the strainer from
where it connects to the tube.
Removal/Installation
To remove the strainer:
1. Place the machine in a horizontal position on a flat and level surface with the chain lubricant filler cap
facing up.
2. Remove the chain lubricant tank cap (rotate left) and empty the chain lubricant tank (A).
3. Use a hooked object to capture the chain lubricant intake tube ( ) inside the chain lubricant tank and B
gently pull it from the tank.
4. The strainer (C) is installed on the end of the tube to remove it, twist and pull it from the end of the tube–
To install the strainer:
1. Firmly push the strainer onto the intake tube.
2. Place the tube back inside the chain lubricant tank it should rest along the bottom of the tank– . Then, re-
install the tank cap.
A
B
C
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 30
Engine Tuning Guidelines
Running combustion engines in confined areas . Engine exhaust CAN KILL IN MINUTES
fumes contain carbon-monoxide – a deadly gas that you cannot smell or see. NEVER run
a combustion engine in confined areas EVEN IF windows and doors are open. ONLY run
combustion engines OUTDOORS and away from doors, windows and vents. • Petrol / fuel
/ gasoline is extremely flammable keep clear of naked flames or other ignition sources.– •
Do not have the engine running during inspection and maintenance unless specifically re quired. • The engine
should be cool enough to touch before performing maintenance activities. • Some maintenance activities
may be beyond the scope of some users. Do NOT attempt procedures that you are not comfortable with, or
do not have the necessary tools, experience or knowledge for – take the unit to an authorised service centre
or qualified technician for servicing. • Failure to follow the maintenance schedule, using incorrect or
non-compatible accessories or replacements parts, or general negligence may result in making the
product warranty void. • Improper tuning can lead to engine failure – engine failure due to improper
tuning is not covered under warranty. • If you cannot tune the engine, contact an authorised service
centre for assistance or have the machine checked by a small engine specialist. • The carburettor is supplied
factory-set and should run properly. Engine tuning should be attempted only if the machine shows signs of
requiring adjustment. • A tachometer is recommended for setting engine idle and full throttle speeds.
The engine must be maintained in a reasonable "state of tune" to ensure best performance and safety. If the
engine is running roughly, emitting excessive smoke, not revving properly, not idling properly, showing signs
of reduced power, not responding crisply to the throttle etc, it may require "tuning". Basic tuning for 2-stroke
engines is not difficult, however, care should be taken in understanding the tuning process and learning how
to recognise the symptoms for when engine tuning is required and where and how to make adjustments.
Note that factors such as altitude, fuel mixture, ambient temperature etc may all affect engine running
characteristics. There are two basic engine conditions that determine improper tune:
• - Rich An adjustment that is too rich will cause the engine to smoke, have insufficient power, result in
additional carbon build up and may damage the engine he proportion of fuel in the air/fuel mixture is so . T
high that the fuel does not burn well. The partially burned mixture is expelled into the exhaust and exits
the engine as smoke. arbon build may affect the performance of the spark arrestor (if equipped)C -up and
cylinder ports if run for a period of time. Outside of carburettor adjustments this can also be caused by
having too much oil mixed with the fuel, and/or old fuel.
• - Lean An adjustment that is too lean will also cause the engine to have insufficient power and is more
likely to damage the engine than a rich mixture. The proportion of fuel in the air/fuel mixture is so low that
there is not enough fuel to burn. Lean running causes the cylinder temperature to rise, which often leads
to engine seizure which , and xcessive revving for e may result in connecting rod bearing failure. Other
causes for a lean running condition include lack of oil in the fuel mix, and when the fuel tank runs empty.
Before any engine tuning:
• Service the air filter.
• Service the spark plug.
• . Use fresh fuel
Carburettor Adjustments
The carburettor has 3 adjustments available:
• – CIdle Speed ontrols how open the throttle is when the throttle is released. If idle speed is set too low,
the engine will stop when the throttle is released due to a lack of air/fuel mixture idle speed is set too . If
high, the engine will run when the throttle is released, however, at a speed that will engage the clutch
and cause the chain saw to rotate – this is a dangerous condition should never be allowedthat .
• Low Speed Mixture – Controls the proportion of fuel in the air/fuel mixture at idle speed. If the low
speed mixture the engine when idling , is too rich will load up and then stop. If the low speed mixture is
too lean the engine will , race or surge when idling and stop. then
• High Speed Mixture – Controls the proportion of fuel in the air/fuel mixture at working speed. If the high
speed mixture is the engine may not , too rich reach the speed necessary for maximum power, emit
excessive smoke and respond poorly to throttle movement If the high speed. mixture is too lean, the
engine may reach speeds where bearing failure and piston seizure are likely. It will also lack power and
tend to run very hot.
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 31
The adjustment screws are generally located
on the starter cord side of the unit. The high
speed and low speed mixture screws are
generally marked "L" and "H", respectively. In
the adjacent image, idle speed is (A), low
speed mixture is (B) and high speed- mixture
is (C).
Factory Settings
Each adjustment screw has a general "factory
setting", which is measured from the
adjustment screw being rotated "IN" (right /
clockwise) until fully seated (but not tight).
From this point, the setting is made by
counting the number of full rotations of the
screw "OUT" (rotate left / anti-clockwise).
Factory settings are:
• – Idle Speed Approximately 5 turns out.
• Low Speed Mixture – Approximately 2.5
turn out.
• High Speed Mixture – Approximately 2 turns out.
Use the factory settings as the basis for tuning. Set all adjustment screws to factory settings, then test the
engine before further tuning. Use a suitable flat blade screwdriver and ensure that the screwdriver is -
properly engaged with the adjustment screw before rotating.
Tuning
1. Start and allow the engine to idle until it is warmed up tuning a cold engine will result in rich running –
when the engine is warm. If the engine does not idle, use the throttle to keep the engine running ("blip"
the throttle; do not run the engine continuously at high speed).
2. Adjust Idle Speed – Rotate the adjustment screw one quarter (¼) turn at a time – rotate "IN" (right /
clockwise) to increase idle speed; rotate "OUT" (left / anti-clockwise) to reduce idle speed. Set the speed
so the engine idles as fast as possible without engaging the clutch. Never set the idle so the saw chain
rotates when the throttle is released. If the adjust the low speed mixture (step 3).engine will not idle,
3. Adjust Low Speed Mixture – Rotate the adjustment screw one quarter (¼) turn at a time – rotate "IN"
(right / clockwise) to lean the low speed mixture; rotate "OUT" (left / anti clockwise) to richen low speed -
mixture. Rotate the screw IN until the engine begins surg or ing wants to stop this is the lean –
adjustment position. Make a note of the number of rotation of the screws to reach the lean adjustment
position Then,. rotate the adjustment screw OUT – the engine should start running better. Keep rotating
the screw until the engine starts to load up this is the rich adjustment position. Make a note of OUT – the
number of rotations of the to reach the rich adjustment position and compare it to the lean screw
adjustment position. Then, rotate the screw IN to a position where the engine idles best – it should be
about midway between the rich and lean position settings. At this point, you may have to re adjust idle -
speed (step 2).
4. Adjust High Speed Mixture – Rotate the adjustment screw one quarter (¼) turn at a time – rotate "IN"
(right / clockwise) to lean the high speed mixture; rotate "OUT" (left / anti-clockwise) to richen high speed
mixture. Rotate until the engine begins slowing and running roughly at full throttle. Then,the screw OUT
rotate the adjustment screw the engineIN – should start running better. Keep rotating the screw IN until
the engine maximum speedreaches . Then, rotate the screw OUT one eighth (1/8) to one quarter (¼) of
a turn to richen the air/fuel mixture for engine cooling purposes.
A
C
B
Petrol Powered Chainsaws
E&OE © -AG 2022 Bäumr 32
Cleaning Guidelines
Do not use solvents, chemicals or abrasives when cleaning the machine, as some surfaces
may be damaged. • Wear gloves or use suitable tools to assist in cleaning do not use bare –
hands. • Clean the machine after every use to ensure best performance and longest service life.
• Use a slightly damp cloth and mild detergent for cleaning.
• Use a brush for parts that are difficult to reach.
• Ensure air vents and surfaces designed for heat dissipation are clean and free of obstructions or debris.
• Remove the drive chain cover and clean away any sawdust, wood particles, dirt etc from the clutch,
chain brake and tension adjustment mechanism, chain bar and saw chain.
• It is recommended to lightly oil the saw chain after each use to help prevent corrosion.
• Ensure all guards and safety devices are clean and functioning correctly.
• Ensure that spring-loaded parts, such as the throttle, return to the normal position when released.
• Ensure that all control cables, levers, switches etc are clean and operate normally and smoothly.
Produktspezifikationen
| Marke: | Baumr-AG |
| Kategorie: | Säge |
| Modell: | SX62 |
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