UnionSpecial 53700B Adjusting Instructions And Illustrated Parts List

Also see for 53700B: Instructions and illustrainstructions and illustra instructions and illustrated parts manual

Contents

3CONTENTSIDENTIFICATION OF MACHINE ................................................................................................................................................................. 3APPLICATION OF CATALOG ................................................................................................................................................................... 3STYLES OF MACHINE ................................................................................................................................................................................ 3NEEDLES .................................................................................................................................................................................................... 4ORDERING REPAIR PARTS ........................................................................................................................................................................ 4ORDERING REPAIR PARTS (CONTINUED) ................................................................................................................................................ 5IDENTIFYING PARTS ................................................................................................................................................................................... 5USE GENUINE NEEDLES AND REPAIR PARTS ........................................................................................................................................... 5TERMS ........................................................................................................................................................................................................ 5OILING AND THREADING ......................................................................................................................................................................... 50ILING AND THREADING DIAGRAM ....................................................................................................................................................... 6SELF-PRIMING HEAD OIL SIPHON ............................................................................................................................................................ 7INSTALLING AND MAINTENANCE OF OIL SIPHON ................................................................................................................................. 7INSTRUCTIONS FOR MECHANICS ............................................................................................................................................................ 8NEEDLELEVERSTUDSETTING ................................................................................................................................................................... 8OILING SYSTEM ......................................................................................................................................................................................... 8SETTING THE ZIG-ZAG MOTION ............................................................................................................................................................... 8SPACING NEEDLE IN THROAT PLATE ....................................................................................................................................................... 8SETTING THE LOOPER ............................................................................................................................................................................... 8SETTING THE LOOPER (CONTINUED) ....................................................................................................................................................... 9SETTING HEIGHT OF NEEDLE BAR ............................................................................................................................................................. 9SYNCHRONIZING LOOPER AND ............................................................................................................................................................. 9NEEDLE MOTIONS ..................................................................................................................................................................................... 9SYNCHRONIZING LOOPER AND ........................................................................................................................................................... 10NEEDLE MOTIONS (CONTINUED) .......................................................................................................................................................... 10SETTING THE FEED DOG ......................................................................................................................................................................... 10SETTING THE FEED DOG (CONTINUED) ................................................................................................................................................. 11CHANGING STITCH LENGTH .................................................................................................................................................................. 11SETTING THE NEEDLE GUARD ................................................................................................................................................................. 11SYNCHRONIZATION OF THE UPPER ROLLER FEED ................................................................................................................................ 12THREADING ............................................................................................................................................................................................. 12SETTING THE LOOPER THREAD TAKE-UP ................................................................................................................................................ 13THREADTENSIONS .................................................................................................................................................................................. 13PRESSERFOOTPRESSURE ....................................................................................................................................................................... 13SETTING NEEDLE THREAD TAKE-UP ........................................................................................................................................................ 13SETTING SPRING RETAINERS ON LOOPER ............................................................................................................................................. 14THREADTENSIONRELEASE ..................................................................................................................................................................... 14SETTINGTHEATTACHMENTS ................................................................................................................................................................... 14MAIN FRAME, CAST-OFF PLATE, MISCELLANEOUS COVERS AND PLATES ......................................................................................... 17CLOTH PLATES, CLOTH PLATE COVERS, MISCELLANEOUS AND ATTACHMENTS .............................................................................. 19MAIN FRAME, BUSHINGS AND MISCELLANEOUS OILING PARTS ........................................................................................................ 21FOR STYLES 53100B AND C ONLY CLUTCH ASSEMBLY, CLUTCH DRIVE SHAFT GEAR AND HOUSING ASSEMBLY .......................... 23FOR STYLES 53100B AND C ONLY CLUTCH ASSEMBLY, CLUTCH DRIVE SHAFT GEAR AND HOUSING ASSEMBLY .......................... 25CRANKSHAFT, NEEDLE LEVER AND LOOPER DRIVING PARTS ............................................................................................................ 27CRANKSHAFT, NEEDLE LEVER AND LOOPER DRIVING PARTS ............................................................................................................ 29LOOPER ROCKER AND CONNECTING ROD PARTS ............................................................................................................................ 31MAIN SHAFT AND FEED MECHANISM ................................................................................................................................................... 33FOR STYLE 53100E ONLY MAIN SHAFT AND FEED MECHANISM ......................................................................................................... 35THREAD TENSION AND FOOT LIFTER LEVER PARTS ............................................................................................................................... 37FEED DOGS, THROAT PLATES AND PRESSER FEET ................................................................................................................................ 39THREAD STAND, KNEE PRESS AND TAPE REEL PARTS ........................................................................................................................... 41