UnionSpecial 56100MB Instructions And Illustrated Parts List
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UnionSpecial 56100MB Instructions And Illustrated Parts List

Class 56100 - advanced series, bag seaming machines
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CATALOG NO.
PT0303-GR
INSTRUCTIONS AND
ILLUSTRATED PARTS LIST
First Edition
STYLES
56100MB
56100PB
56100TB
CLASS 56100 - ADVANCED SERIES,
BAG SEAMING MACHINES
04-03-09

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  • Page 1 CATALOG NO. PT0303-GR INSTRUCTIONS AND ILLUSTRATED PARTS LIST First Edition STYLES 56100MB 56100PB 56100TB CLASS 56100 - ADVANCED SERIES, BAG SEAMING MACHINES 04-03-09...
  • Page 2 CATALOG NO. PT0303-GR ADJUSTNG INSTRUCTIONS AND ILLUSTRATED PARTS LIST FOR CLASS 56100 ADVANCED SERIES BAG SEAMING MACHINE STYLE 56100MB 56100PB 56100TB First Edition © 2006 PRINTED 2006 IN USA INFORMATION SUBJECT TO CHANGE WITHOUT NOTICE © Union Special Corporation ALL Rights Reserved in All...
  • Page 3 UNION SPECIAL. Recommended needle for Style 56100MB, PB, and TB is Type 144GS. It has a round shank, round point, No. 2 bag length, double groove, spotted, short point, chromium plated, and is available in sizes - 200/080, 230/090, 250/100.
  • Page 4 Fig 1 THREADING AND OILING DIAGRAM Thread machine as indicated above. The looper threading has been enlarged for clarity. The oil has been drained from the machine before shipping and the reservoir must be filled before starting to operate. Maintain oil level between the two red lines and add oil when oil level drops below the bottom red line.
  • Page 5 SAFETY RULES CAUTION THIS SAFETY SYMBOL INDICATES YOUR PERSONAL SAFETY IS INVOLVED. TO PREVENT PERSONAL INJURY: - All power sources to the machine MUST be TURNED OFF before threading, oiling, adjusting or replacing parts. - Wear safety glasses. - All shields and guards MUST be in position before operating machine. - DO NOT tamper with safety shields, guards, etc., while machine is in operation.
  • Page 6 SYNCHRONIZING LOOPER AND NEEDLE MOTIONS Synchronization is the most important adjustment involving the needle and looper motion relation, because it maintains the needle-looper relation at both the needle loop taking time, as well as when the needle enters the looper triangle. This adjustment is best made using synchronization gauge set TT34.
  • Page 7 SYNCHRONIZING LOOPER AND NEEDLE MOTIONS (CONTINUED) Fig 3B Turn handwheel in the operating direction until the point of the looper (A, Fig. 4) moving to the left, is even with the left side of needle (B). Note the height of the eye of the needle with respect to the looper point (See Fig.
  • Page 8 SYNCHRONIZING LOOPER AND NEEDLE MOTIONS (CONTINUED) Loosen lock nut (F) and TORQUE thrust adjjusting screw (E) to 6 in. lbs. (7cm/kg); re-tighten lock nut (F) securely. With the looper at extreme right end of travel, check location of the right looper connecting rod bearing using gauge No.
  • Page 9 NEEDLE BAR HEIGHT Turn handwheel to position point of looper (A, Fig. 8) 1/64" (0.4mm) past the left side of needle (B). At this time the top of the eye of the needle (B) should be even with the under side of the looper (A). To make adjustment, loosen screw (C Fig.
  • Page 10 Fig 11 REAR NEEDLE GUARD FOR STYLE 56100MB Rotate handwheel in operating direction to position looper point at the right hand side of needle. At this time the needle guard (A, Fig 12) should be at its extreme end of forward travel. Set the guard front to back to just touch the needle.
  • Page 11 THREADING Draw looper and needle threads into the machine and start operating on a piece of fabric. Refer to threading diagram (Fig. 1) for manner of threading this machine. LOOPER THREAD CAST-OFF WIRE Looper thread cast-off wire (A, Fig. 13) located on the take- up shield (B) controls the amount of slack thread in the system and can be moved to any position.
  • Page 12 SETTING NEEDLE THREAD GUIDE AND FRAME EYELET Turn handwheel in operating direction until the needle bar reaches its lowest position. Set needle thread take-up wire (B, Fig. 15) so that its thread contact surface is even with the center of the needle bar thread eyelet (C). Lower this setting for a smaller needle thread loop, raise for a larger loop.
  • Page 13 ALIGNING MAINSHAFT TO CRANKSHAFT As viewed looking down from rear of machine, spot screws (A. Fig. 17) in the couplings must align with the spots in the looper drive crank (B) and set screws (C) must align with the flats on crankshaft (D) and mainshaft (E).
  • Page 14 Before this machine left the factory it was adjusted and inspected to give you the utmost satisfaction and durability at all times. If, however, the machine has been readjusted and is not sewing properly, see the chart below for suggestions which may prove beneficial to you. SKIPPED STITCHES l l a g i l...

  • Page 15: Table Of Contents

    ORDERING REPAIR PARTS ILLUSTRATIONS This catalog has been arranged to simplify ordering repair parts. Exploded views of various sections of the mechanism are shown so that the parts may be seen in their actual position in the machine. On the page opposite the illustration will be found a listing of the parts with their part numbers, descriptions and the number of pieces required in the particular view being shown.
  • Page 17 Cover, top oil reservoir .................. 22524 Screw ......................22585A Screw ......................22839 Screw, throat plate support ................C51124D Throat Plate, for style 56100MB ..............Screw ......................56180B Support, throat plate ..................51280J Pin, dowel ....................22570A Screw, for styles 56100PB, TB ................
  • Page 19 Screw ......................660-1002 Plug, oil filter ....................GA56301 Cloth Plate ....................22839C Screw ......................Guide, edge, for styles 56100MB, PB ............. Screw, for 24X ....................56381-219 Cover, cloth plate, for style 56100MB ............51281AC Spring ..................... 35772H Washer, spring ..................

  • Page 21: 29105Ak

    Collar, thrust ....................Screw ..................... 51247 Counterweight ..................... 22894J Screw ..................... 29476LN Crankshaft Sub-Assembly, for styles 56100MB, TB ......... 29476PB Crankshaft Sub-Assembly, for style 56100PB ..........51216M625 Bearing, needle, .0625 inch (1.588mm) diameter ........51216M626 Bearing, needle, .0626 inch (1.590mm) diameter ........
  • Page 23 Screw, for styles 56100MB, TB ................ 29476LV Bearing Assembly, looper connecting rod (right) ........56341F Ferrule ....................56342K Lever, looper drive, for styles 56100MB, TB ............ 35A. 56342F Lever, looper drive, for styles 56100PB ............22882C Screw ......................Washer ......................
  • Page 25 Ring, retaining ....................41391 Washer ......................61341J Washer, feed bar ..................22528 Screw, feed dog ..................51105G Feed Dog, marked "RD", for style 56100MB ........... 51236A Pin, link ......................56125 Guard, rear, needle, for style 56100MB ............22801 Screw ..................... 61434G Washer ......................
  • Page 27 56392E Post, tension ....................Disc, tension ....................56392F Shield, thread tension spring ................ 51292F14 Spring, needle thread tension for styles 56100MB, PB ........51292F8 Spring, needle thread tension for style 56100TB ..........51292F2 Spring, looper thread tension ............... 39592AK Ferrule, tension spring ..................
  • Page 29 SEWING PARTS FOR 56100PB & TB Ref. Amt. Part No. Description Req. G52888B Bracket, for Finger Protector ................ Screw ..................... 22747A Screw ..................... 1741B Chain Cutting Knife ..................99682C Finger Protector ................... 198X Presser Foot ....................Screw ..................... 65XD Presser Foot Shank ................. Shoulder Screw ..................
  • Page 31 THREAD STAND AND ACCESSORIES Amt. Ref. Description Req. Part No. 93065B2 Thread Stand, (2 cones) ................93065BA Base ....................... 93065BC Thread Stand Rod .................. 93065BE Thread Guide ..................93065BG Clamp Washer, for 16mm ..............93065BJ Clamp Washer, for 12mm ..............93065BL Washer ....................
  • Page 33 GAUGES (EXTRA SEND AND CHARGE) Amt. Ref. Description Req. Part No. TT34 Syncronization Gauge Set ................21227S Indicator ....................21227T Plate ...................... 21227U Pin ......................99271 Screw ..................... 21227AB Leather Case ..................TT35 Gauge ......................21225-5/32 Looper Gauge ..................... *May also be purchased as TT33 Which is a full set of looper gauges.
  • Page 34 NUMERICAL INDEX OF PARTS Part No. Page No. Part No. Page No. Part No. Page No. Part No. Page No. 1 0 9 ....2 7 2 2 6 5 1 C B 4 .
  • Page 35 NUMERICAL INDEX OF PARTS Part No. Page No. Part No. Page No. Part No. Page No. 5 6 3 3 4 N ... 2 5 5 6 3 9 0 H ..1 9 , 2 1 8 7 .

This manual is also suitable for:

56100pb56100tb

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