Union Special 63900AT Bedienungsanleitung

Union Special Nähmaschine 63900AT

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ADJUSTING INSTRUCTIONS / ILLUSTRATED PARTS LIST

MANUAL NO. PT9636

STYLES

63900 STREAMLINED

HIGH SPEED NEEDLE FEED

TOP AND BOTTOM ROLLER FEED

LOCKSTITCH MACHINES

63900AM

63900AML

63900AT

63900AW

63900AAE

REV.08/31/98

CONTENTS

•PREFACE ............................................................................................................................................................... 4

•SAFETY RULES ........................................................................................................................................................ 5

•IDENTIFICATION OF MACHINES ........................................................................................................................... 6

•CLASS DESCRIPTION ........................................................................................................................................... 6

•STYLE OF MACHINES ............................................................................................................................................ 6

•ILLUSTRATIONS ...................................................................................................................................................... 6

•ILLUSTRATIONS (CONT.) ....................................................................................................................................... 7

•IDENTIFYING PARTS .............................................................................................................................................. 7

•NEEDLES ................................................................................................................................................................ 7

•TABLEBOARD ........................................................................................................................................................ 8

•BOBBIN WINDER ................................................................................................................................................... 8

•BELTS ..................................................................................................................................................................... 8

•LUBRICATION........................................................................................................................................................ 9

•RECOMMENDED OIL ........................................................................................................................................... 9

•OIL GAUGE .......................................................................................................................................................... 9

•SELF-PRIMING HEAD OIL SIPHON ...................................................................................................................... 10

•INSTALLING AND MAINTENANCE OF OIL SIPHON ............................................................................................ 10

•THREAD ............................................................................................................................................................... 11

•REMOVING THE BOBBIN CASE .......................................................................................................................... 11

•WINDING THE BOBBIN ....................................................................................................................................... 11

•THREADING THE BOBBIN CASE .......................................................................................................................... 11

•THREADING THE BOBBIN CASE (CONT.) ........................................................................................................... 12

•REPLACING THE BOBBIN CASE .......................................................................................................................... 12

•INSERTING THE NEEDLE ...................................................................................................................................... 12

•THREADING THE NEEDLE .................................................................................................................................... 12

•PREPARATION FOR SEWING .............................................................................................................................. 12

•TENSIONS ............................................................................................................................................................ 12

•BOBBIN THREAD TENSION .................................................................................................................................. 12

•BOBBIN THREAD TENSION (CONT.) ................................................................................................................... 13

•NEEDLE THREAD TENSION .................................................................................................................................. 13

•CHANGING THE STITCH LENGTH ....................................................................................................................... 13

•TIMING THE NEEDLE FEED WITH THE CONTINUOUS TURNING ROLLER FEED .................................................... 14

•PRESSURE ON MATERIAL .................................................................................................................................... 14

•SETTING THE NEEDLE BAR TO HEIGHT ................................................................................................................ 14

CONTENTS (CONT.)

•TIMING THE HOOK ............................................................................................................................................. 15

•NEEDLE GUARD INSTRUCTIONS ......................................................................................................................... 15

•NEEDLE GUARD INSTRUCTIONS (CONT.) .......................................................................................................... 16

•HOOK LUBRICATION .......................................................................................................................................... 16

•PRESSER BAR GUIDE ........................................................................................................................................... 16

•PRESER BAR CONNECTION ............................................................................................................................... 16

•TENSION ASSEMBLY ADJUSTMENT ..................................................................................................................... 17

•TENSION RELEASE ............................................................................................................................................... 17

•THREAD CONTROL ............................................................................................................................................. 17

•THREAD CONTROL (CONT.) .............................................................................................................................. 18

•BOTTOM COVER ................................................................................................................................................ 18

•HOOK SHAFT ...................................................................................................................................................... 18

•HOOK SHAFT (CONT.) ........................................................................................................................................ 19

•REMOVAL OF OILING DEVICE .......................................................................................................................... 19

•REASSEMBLY OF OILING DEVICE ...................................................................................................................... 20

•REASSEMBLY OF OILING DEVICE (CONT.) ........................................................................................................ 21

•UPPER MAIN SHAFT ............................................................................................................................................ 21

•UPPER MAIN SHAFT (CONT.) ............................................................................................................................. 22

•HANDWHEEL ...................................................................................................................................................... 22

•HANDWHEEL (CONT.) ........................................................................................................................................ 23

•ATTACHMENTS ................................................................................................................................................... 23

•NEEDLE HOLE INSERT .......................................................................................................................................... 23

•MAINFRAME, BUSHING, OIL GAUGE HEAD OIL SIPHON AND MISCELLANEOUS OILING PARTS .................... 25

•MAINFRAME, BUSHING, OIL GAUGE HEAD OIL SIPHON AND MISCELLANEOUS OILING PARTS (CONT.) ..... 27

•MAIN FRAME MISCELLANEOUS COVERS AND NEEDLE TENSION PARTS ......................................................... 29

•MAIN FRAME MISCELLANEOUS COVERS AND NEEDLE TENSION PARTS (CONT.) .......................................... 31

•MAIN AND HOOK DRIVE SHAFTS, NEEDLE BAR AND FOOT LIFTER MECHANISM ............................................ 33

•NEEDLE FEED DRIVING PARTS............................................................................................................................ 35

•PRESSER FEET, PRESSER BAR, TOP FEED ROLLER MECHANISM AND ATTACHMENTS ....................................... 37

•PRESSER FEET, PRESSER BAR, TOP FEED ROLLER MECHANISM AND ATTACHMENTS ....................................... 39

•ROTATING HOOK ASSEMBLY AND HOOK OILING PARTS ................................................................................ 41

•FEED ROLLER DRIVING PARTS ............................................................................................................................ 43

•FEED ROLLER DRIVING PARTS (CONT.) ............................................................................................................. 45

•BOBBIN WINDER AND MISCELLANEOUS ACCESSORIES .................................................................................. 47

•NUMERICAL INDEX OF PARTS ............................................................................................................................ 48

•NUMERICAL INDEX OF PARTS ............................................................................................................................ 49

•NOTES ................................................................................................................................................................. 50

•NOTES ................................................................................................................................................................. 51