Singer 678B002, Service Manual And Parts List

Page 1: ...SINGER 678B002 B005 B007 BOOS From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...Service Manual Bnd Parts List 6788002 6788005 6788007 6788008 From the library of Superior Sewing Machine Supply LLC ...

Page 3: ...ation 605 FSa 1 cat 7 2 8 4 needle Standard Gauge No 16 only Maximum recommended speed 5500 R P M f 78B005 Two needle four thread interlock stitch offset differential feed machine for attaching cellarettes to knitted undergarments and similar operations on light tomedium weight material Long lengthribbed knit strip cutperpendicular to the wale or parallel with the wale Constant strip tension Seam ...

Page 4: ...his catalog In the third column is the coded number to be ordered The prefix 910 must be used Additionally letter suffixes generally are transposed as a prefix to the art number Components of sub assemblies which can be furnished as replace ments are indented under the description of the main sub assembly The of this Ref examples below show how to order using parts on Page 35 catalog to illustrate...

Page 5: ...fore shipping and the reservoir mustbe filledbefore starting to operate To fillmachine with oil remove plug screw in top cover and add oil until needle of oil gauge A FiR 1 i on he qlack line located to the right of OPERATE zone marked FULL Malntaln Oll level in OPERATE position and add oil when needle is to the black line located to the left of OPERATE zone marked LOW The machine is automatically...

Page 6: ...H VAPOR mSPLASH ACTION OIL RESERVOIR gOIL FEED lflorL RETURN SCRE ITH BY PAS CH TI c T 6 M OIL FRO I LEFT CRA KSR FT BCSHI G I I From the library of Superior Sewing Machine Supply LLC ...

Page 7: ...ing rods Oil trough 51282 AE which is supplied by splash in column area Mist as a result of splash in column Oil agitation as a result of splasher 56343 E on bottom of looper drive connecting rod Oil drip plate which accumulates splash in chamber Supply grooves in right end of main shaft Oil supplied from hollow mainshaft and metered by felt plugs Oil is in troduced into center of shaft in the r i...

Page 8: ... the needle bar link and the needle bar Replace head cover as no further hand oiling will be required Run machine slowly for several minutes to distribute oil to the various parts For machines in operation check the oil for dirt and lint deposits at reasonable intervals If dirty change the oil An oil change is recommended every 2000 operating hours Oil may be drained from main reservoir by removin...

Page 9: ...he bed casting at the back just above the notch of the needle lever shaft stop collar Do not allow the oiler to rest on the needle lever Allow 1 I 64 inch 40 mm clearance as in Fig 3 ALIGNING THE NEEDLE BAR Align the needle bar A Fig 4 and set to height using the proper test pins and test plate of the right gauge See chart below Machine Test Plate Right Test Pin Left Test Pin Style No No No 678B00...

Page 10: ...e right end of the pointer rests at b Tighten the set screw and note indicator reading Turn the hand wheel in the reverse direction until the pin again contacts the plate If the motions are in synchroni zation the pointer of the indicator will return to the same reading A variation of one graduation on the scale is allowable If the reading is higher on the scale when the handwheel is turned in the...

Page 11: ...a tor is all that is required NOTE Looper drive lever C Fig 6 has an oil seal collar and an O ring between it and the bed casting All end play must be removed from the looper drive lever rocker shaft by compressing the 0 ring until drive lever C and the oil seal collar make metal to metal contact with the bed casting Tighten screw B With the looper at the extreme right end of its travel check the ...

Page 12: ...djustment is necessary loosen lock screw J Fig 6 and turn stop screw K as required Turn Looper Gauge Number 21225 3 16 21225 7 32 21225 7 32 21225 3 16 21225 3 16 21225 3 16 ing stop screw clockwise sets the looper to the rear Fig 8 and turning it counterclockwise acts the reverse Holding looper to the front while making this adjustment may prove helpful Tighten lock screw J when setting is obtain...

Page 13: ...plate at maximum feed travel In addition to this the teeth of the feed dog should be parallel to the top surface of the throat plate across the line of feed Fig 9 To raise or lower the differential feed dog loosen screw B Fig 9 and set the feed dog at the required height Retighten screw Loosen set screws C Fig 9 and move the differential feed bar D forward or backward as required The loosening of ...

Page 14: ...tate a corresponding change in the rear needle guard setting and a check of the feed dog height SETTING THE REAR NEEDLE GUARD Set the rear needle guard C Fig 10 horizontally so that it does not quite contact the rear of the right needle D when at its most forward point of travel A clearance of 005inch 127mm ispermissible It shouldbe set aslowaspossible yethave its vertical face approach within abo...

Page 15: ... in the low position Loosen screw C then while holding presser foot down on the throat plate surface pry up presser bar connection and guide with a screw driver to obtain the 1 I16 inch 1 59 mm setting and retighten screw Check setting by turning handwheel so that needle bar is in its high position and see if presser foot can be removed as mentioned in previous paragraph Set the presser bar collar...

Page 16: ...mately 3 32 inch 2 38 mm and be kept close to the top of the spreader This is accomplished by loosen ing screws C and moving the guide as necessary THREADING Fig 14 Thread machine as indicated in Fig 1 and start operating on a piece of fabric Fig 15 THREAD TENSION Pull the thread through the eye lets and set the left needle thread tension and center needle thread tension at 4 ounces 113 40 gr on 6...

Page 17: ...ring support B and remove shims SETTING SPREADER THREAD TAKE UP The U shaped eyelet C Fig 17 should be set to allow the spreader thread to engage the bottom of the needle lever eyelet D by 1 4 inch 6 35 mm Raising the eyelet makes a looser cover thread lowering same makes a tighter cover thread PRESSER FOOT PRESSURE Regulate the presser spring regulating screw E Fig 17 so that it exerts only enoug...

Page 18: ...CAUTilO e servoir Fill Ol tarting before has been Machmd before drame shipping 18 21 5 From the library of Superior Sewing Machine Supply LLC ...

Page 19: ...rvoir Back Cover 1 Screw 9 Gasket 1 Screw 4 Crank Chamber Cover lower 1 Gasket 1 Gasket 1 Oil Filler Plug Screw 1 Screw 4 Upper Crank Chamber Cover 1 Gasket 1 Screw 2 Baffle Plate 1 Plug Screw 1 Belt Guard 1 Screw 2 Screw for 678B002 and 008 3 Screw for 678BOOS and 007 2 Looper Thread Eyelet 1 Looper Thread Guard for 678B002 and 008 1 Screw 2 Cast off Plate Support 1 Cast off Plate 1 Screw 2 Loope...

Page 20: ...From the library of Superior Sewing Machine Supply LLC ...

Page 21: ... Foot Lifter Lever Bushing 1 Release Lever Bushing 1 Bushing Housing Gasket 1 Crankshaft Bushing Housing 1 Screw 3 Oil Gauge Assembly 1 Nut 1 Spring Washer 1 Ring 1 Oil Gauge Connecting Rod 1 Oil Gauge Float Lever Assembly 1 Oil Retaining Ring 1 Washer 2 Nut 1 Oil Gauge Adjusting Shaft 1 Pin 1 Washer 1 Collar 1 Screw 1 Plug Screw 1 Synchronizing Stud 1 Looper Drive Lever Shaft Bushing front 1 Loop...

Page 22: ... iOTE Cut out of Ref o 41 and 42 to be up wnen as 22 From the library of Superior Sewing Machine Supply LLC ...

Page 23: ...ckwasher 1 Needle Bar Thread Eyelet 1 Screw 1 Screw 1 Gasket 1 VVasher 1 Oil Seal Ring 2 Needle Lever Thrust Collar 1 Needle Lever Assembly 1 Needle Lever 1 Screw 1 Needle Bar Link 1 Needle Bar Connection 1 Screw 1 Screw 1 Link Pin 2 Felt Vick 1 Needle Lever Stud 1 Screw 1 Needle Lever Thread Eyelet 1 Needle Lever Connecting Upper Ball Joint Assembly 1 Screw 2 VVasher 1 Nut 1 Needle Lever Connecti...

Page 24: ...10 r6 9 I 24 From the library of Superior Sewing Machine Supply LLC ...

Page 25: ...ING MECHANISM Amt Description Req Spreader marked J 1 SpreaderHolder 1 Screw 2 Screw 2 Spreader Holder Carrier 1 Carrier Connecting Rod Assembly 1 Screw 4 Ball VVasher 1 Nut 1 VVasher 1 Nut 1 Spreader Rock Shaft Arm 1 Nut 1 vVasher 1 Locking Stud 1 Thrust Washer 1 Spreader Rock Shaft 1 Spreader Rock Shaft Thrust Collar 2 Screw 2 Oil Seal Collar 1 Oil Seal Ring 1 Spreader Rock Shaft Lever 1 Locking...

Page 26: ... 40 4 26 j f l 31 32 22 4 Torque to 55in lbs 63cm kg From the library of Superior Sewing Machine Supply LLC ...

Page 27: ...Cone Stud Nut 1 Looper Rocker Frame 1 Set Screw 1 Stop Screw 1 Looper Avoid Link Pin 1 Looper Rocker Shaft Arm 1 Screw 1 Looper Rocker Shaft 1 Columbia Yarn 4 strands 8 inches long Looper Rocker Shaft Collar Stud 1 Looper Rocker Shaft Clamp 1 Washer 1 Nut 1 Washer 1 Looper Connecting Rod Ball Joint Oiler right 1 Nut 1 Looper Connecting Rod Jointed Section right 1 Truarc Ring 7 2 Hinge Pin 1 Ferrul...

Page 28: ...Torque to 19 21 in lbs 22 24cm kg 11 0 28 28 _ 20 19 F L IN SHAFT RIGHT S EOSET 045 INCH HEAD TED C STING FRO VI B From the library of Superior Sewing Machine Supply LLC ...

Page 29: ... Feed Crank Link Sub Assembly 1 Nut 1 VVasher 1 Locking Stud 1 Screw for link pin 1 Feed Crank Link Assembly 1 Feed Crank Link Ferrule 1 Feed Crank Link Pin 1 Oil Wick 1 Nut left hand thread 1 VVasher 1 Screw 4 Main Shaft Head Plate 1 Screw 1 Feed rank Stud marked 1 Stitch Regulating Screw 1 Quad Ring 1 Feed Crank Stud Insert 1 Screw for take up 1 l llain Shaft 1 Gasket 1 Oil Flow Regulating Screw...

Page 30: ...30 From the library of Superior Sewing Machine Supply LLC ...

Page 31: ...in Feed Dog See Pages 39 41 Feed Dog Holder for all except 678B007 all gauges Feed Dog Holder for 678B007 all gauges Screw asher Rear eedle Guard marked F V for all except 678B005 Rear eedle Guard for 678BOOS Needle Guard Holder Screw Oil Wick Differential Feed Bar Oil v ic k Differential Feed Dog See Pages 39 41 Screw lain Feed Bar Feed Dog Height Adjusting Screw Bushing Bushing Screw Link Pin Se...

Page 32: ...32 From the library of Superior Sewing Machine Supply LLC ...

Page 33: ...ring Regulator Presser Spring Head Oil Tube Clamp Lifter Lever Cable Washer Oil Seal Ring Lifter Lever Tension Release and Lifter Lever Shaft Connection Screw Screw Tension Release and Lifter Lever Shaft Lifter Lever Connection Screw Lifter Lever Bell Crank Lifter Lever Bell Crank Spring Screw Screw Auxiliary Tension Post Support for 678B002 007 and 008 Nut 2 Thread Lead in Guide 4 Tens ion Post S...

Page 34: ...34 From the library of Superior Sewing Machine Supply LLC ...

Page 35: ...q Cloth Plate Cover for 678B002 and 008 1 Cloth Plate Cover Spring 1 VVasher 3 Screw 3 Pivot Screw 1 Screw 2 Screw 1 Screw 2 Screw 1 Cloth Plate for 678B002 and 008 1 Screw for end and back cloth guard for 678BOOS and 007 4 VVasher for 22848 4 End and Back Cloth Guard for 678BOOS and 007 1 Screw for throat plate support 2 VVell Nut 2 Screw for throat plate 2 Throat Plate See Pages 39 41 1 Screw 3 ...

Page 36: ...2 _ v ___ I yr 21 36 4 1 I 18 11 From the library of Superior Sewing Machine Supply LLC ...

Page 37: ...asher 2 VVasher Plate 1 Strip Tension 1 Screw 2 Adjustable Pin 2 Screw for strip tension 2 Folder for 678BOOS t 3 4 and 007 3 4 strip size 1 112 inches 38 10 mm finish size 314 inch 19 05 mm strip capacity 5 64 inch 1 98 mm 1 Folder for 678BOOS 7 8 and 007 7 8 strip size 1 314 inches 44 45 mm finish size 718 inch 22 23 mm strip capacity 5 I 64 inch 1 98 mm 1 Folder for 678B005 l and 007 l strip si...

Page 38: ...38 From the library of Superior Sewing Machine Supply LLC ...

Page 39: ...78B005 1 Presser Foot for No 8 gauge 678B005 1 Presser Foot Shank 1 Screw 1 Screw 1 Screw 1 Spring 1 Yielding Section 1 Adjustable Guide 1 Screw 1 Presser Foot Bottom 1 Hinge Screw 1 Throat Plate for No 12 gauge 678BOOS 1 Presser Foot for Jo 12 gauge 678BOOS 1 Presser Foot Shank 1 Screw 1 Screw 1 Screw 1 Spring 1 Yielding Section 1 Adjustable Guide 1 Screw 1 Presser Foot Bottom 1 Hinge Screw 1 Dif...

Page 40: ...4 40 From the library of Superior Sewing Machine Supply LLC ...

Page 41: ...1 Stitch Tongue marked WH 1 Yielding Section right 1 Yielding Section left 1 Differential Feed Dog marked EE for 678B008 1 Main Feed Dog marked PU for 678B008 1 Throat Plate for 678B008 1 Presser Foot for 678B008 1 Screw 1 Presser Foot Bottom 1 Isolator 1 Isolator 3 Screwdriver 118 inch 3 18 mm diameter blade length overall 4 318 inches 111 13 mm 1 Thread Tweezers 1 Wrench single end 3 I8 inch 9 5...

Page 42: ...42 From the library of Superior Sewing Machine Supply LLC ...

Page 43: ...R ASSEMBLY Description Amt Req Tape Clipper Assembly 1 Shaft 1 Screw 2 Spring 1 Upper Knife Holder 1 Screw 2 Operating Lever 1 Screw 1 Upper Knife 1 Screw for upper knife 2 Screw for lower knife 2 Screw 1 Nut 1 Shaft 1 Operating Wire 1 Spring 1 Clipper Mounting Screw 2 Adjusting Screw 1 Screw 2 Screw for cloth guide plate 2 Lower Knife 1 Cloth Guide Plate 1 Knife Guard 1 Frame 1 Cloth Plate Slide ...

Page 44: ...7 33 14 18 44 From the library of Superior Sewing Machine Supply LLC ...

Page 45: ... 4 22651 CD 4 THREAD STAND PARTS Amt Description Req Thread Stand Assembly for 678B002 007 and 008 1 Spool Seat Support 1 Screw 2 Eyelet Support 1 Screw 1 Lead Eyelet 1 Thread Stand Rod 1 Nut 1 Washer 1 Lead Eyelet Ball Split Socket 2 Lead Eyelet Socket Ball 1 Screw 1 Screw 1 Thread Stand Base 1 Screw 1 Spool Support Pad 4 or 6 Spool Pin 4 or 6 Nut 8 or 12 Spool Seat Disc 4 or 6 Washer 4 or 6 Thre...

Page 46: ... 22548 19 37 46 Part No Page No 22557 G 33 22559 A 23 22559 G 23 25 22561 37 39 22562 33 22562 A 23 22563 27 22564 23 37 22564 B 19 22569 B 21 22569 c 19 22569 D 19 22574 23 22580 29 22585 A 35 22585 C 19 22586R 23 22587 K 23 22593 31 22596 33 43 22597 31 22635 E 24 31 22637 P 24 31 22651 CB 4 31 22651 CD 4 45 22651 CD 5 45 22653 B 14 31 22716 A 41 22729 c 27 22733 c 19 22733E 19 22738 B 31 22738 ...

Page 47: ...G 35 56382 H 35 56382 J 19 56382K 19 56382 L 19 56382 l 1 19 56382 X 33 56383A 33 56383D 33 56383 vv 33 56383 X 33 56383 y 33 56390 21 56390 A 21 56390 E 21 56391 19 47 Part No Page No 56392 E 33 56392 F 33 56393 J 27 56393 K 27 56393 p 21 56393 Q 21 56393 vv 21 56393 AC 21 56394 A 21 56394 B 21 56394 c 21 56958 23 56958 A 23 57713 27 57725 B 27 57726 41 57744 27 57744 A 27 57764 A 37 57764B 37 57...