Union Special 31200AQ64 Bedienungsanleitung
Union Special
Nähmaschine
31200AQ64
Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Union Special 31200AQ64 (36 Seiten) in der Kategorie Nähmaschine. Dieser Bedienungsanleitung war für 28 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet
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CATALOG NO.
PT0203
First Edition
STYLES
31200AQ64
31200AQ64Z6
ADJUSTING INSTRUCTIONS
AND ILLUSTRATED PARTS LIST
04-02-04
2
DESCRIPTION OF MACHINE
31200AQ64
High Speed, Feed Up The Arm, Plain Feed, Two needle, two looper, Side Wheel Cylinder Bed Machine specifi-
cally designed for Taping Shoulders and Collar Seams on Knitwear.
Equipped with top tape reel and Presser Foot with folder for a precut 3/4" (19mm) tape to finish 3/8" (9.5mm).
Seam Spec. 401SSag-3. 6.4mm (16ga) needle spacing only. 4500 R.P.M. Maximum speed.
31200AQ64Z6
Same as 31200AQ64 except without presser foot.
NEEDLE TYPE:
128 GJS: Short, double groove, struck groove, thin ball point, spotted, tapered blade reinforcement, chro-
mium plated - sizes 070 / 027, 075 / 029, 080 / 032, 090 / 036.
SETTING THE NEEDLES:
Before readjusting the machine insert two new needles type 128GJS as far as they will go into the needle bar
head. The long groove must show to the operator. Tighten set screws securely.
SETTING OF THE NEEDLE BAR:
To set the needle bar for the correct needle space in line of feed use the assembled needle guard, as the
step of the needle guard is the same as the needle space. The needles should slightly touch the needle
guard. After the setting, check that the needles are in the center of the stitch holes.
LOOPER ADJUSTMENT:
Insert the rear looper in the rear looper holder and be sure that the screw rests on the looper flat. The looper
gauge is 13/64"(5.16mm) measured from the center line of the left needle to the looper point with the looper
at the extreme left of its travel. Use of looper gauge 21225 - 13/64" is of advantage. For adjusting the looper
gauge loosen the clamp screw of the rear looper holder and move holder on the looper shaft to obtain
proper setting.
NEEDLE BAR HEIGHT:
Set the needle bar so that the tops of the needle eyes are about 5/64"(2mm) below the looper points when
the points are flush with the right side of the needles on their travel to the right. Watch that the needle bar
does not turn during this adjustment.
LOOPER TO NEEDLE SET:
After setting the needle bar to the correct height, set the loopers front to back to touch but not deflect the
needles at loop taking time
3
LOOPER AVOID MOTION:
The amount of looper avoid has been set at the factory to approximately .080"
(2.0mm). If it becomes necessary to adjust the amount of avoid it is recom-
mended as a starting point, to have the points of the decending needles
contact the lower 1/3 of the back of the looper blade.
After changing the looper avoid motion check the adjustment with respect to
the needle.
After setting the rear looper insert the front looper. The adjustment of both
loopers is the same.
To adjust the looper avoid motion remove cover plate No.31182N
at the rear of the machine. Loosen the nut with wrench No. 21388
(see sketch). To increase the avoid motion the connection link must
be moved downwards and to reduce it upwards. Tighten the nut
and replace the cover plate No. 31182N with the gasket.
NEEDLE GUARD:
Set the rear guard horizontally so that it barely contacts the needles when at its extreme forward position. It
should be set vertically as low as possible, yet have its guarding surface in contact with the needle until the
points of the loopers moving to the right are even with the right side of needles.
NOTE: Any time you change stitch length you must reset the guard.
FEED DOG SETTING:
The feed dog height is set correctly when the tips of the teeth project ±3/64"(1.2mm) above the throat plate
at its highest position. The height adjustment is made by loosening the set screws No. 22894W and turning the
eccentric stud No. 31139A. After this adjustment tighten set screw. At maximum stitch length adjust feed dog
to have equal clearance at both ends of the slots. Loosen screw on feed dog and move front to back to
obtain proper setting.
STITCH LENGTH ADJUSTMENT:
The mechanism for setting the stitch length is located in the cylinder
(see sketch).
This mechanism is accessible after removing the right plug screw
No. 95375 above the handwheel. Loosen the ball screw No.
31133K. Moving downwards results in a shorter, and upwards in a
longer stitch length.
NOTE: Any time you change stitch length you must reset the guard.
PRESSER FOOT:
The presser foot must rest flat on the throat plate and feed dog.
With the presser foot raised the stop collar on the presser bar is set correctly when the needle shank or the
needle bar head does not contact the presser foot when the needle bar is at the bottom of its stroke.
The pressure regulating screw is the knurled screw located on top of the machine arm next to the needle bar.
Set the pressure of the presser foot spring so that there is just enough pressure for proper feeding of the fabric.
Produktspezifikationen
| Marke: | Union Special |
| Kategorie: | Nähmaschine |
| Modell: | 31200AQ64 |
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