UnionSpecial 31200AQ64, Adjusting Instructions And Illustrated Parts List

Page 1: ...CATALOG NO PT0203 First Edition STYLES 31200AQ64 31200AQ64Z6 ADJUSTINGINSTRUCTIONS ANDILLUSTRATEDPARTSLIST 04 02 04 ...

Page 2: ...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 LOOPERADJUSTMENT 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...

Page 3: ...et the guard FEEDDOGSETTING 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 Lo...

Page 4: ... No 31104 is adjustably mounted on the cast off plate support It should be set laterally so that it is midway between the two discs of the take up The height of the retainer affects the control of the looper thread as the looper moves to the right More looper thread is given to the stitch when the retainer is raised However if the retainer is raised too high the looper thread may be wiped under th...

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Page 7: ...1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 1 1 2 1 1 2 1 1 3 Screw Needle Bar Bushing Upper OilTubeClamp Screw Nut FeltLintFilter Felt BushingForPresserGuideBar Needle Bar Bushing Lower Bushing For Presser Bar Oil Siphon Tube Oil Tube Connection Oil Siphon Connection Locking Ring Oil siphon Assembly Felt Plug Siphon Cup Disc Felt Screw Screw Bushing Bushing Gasket Gasket Crankshaft ...

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Page 9: ...B 43296 605 31117 33758D 22768 1 1 1 1 1 4 4 4 1 1 2 1 3 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 3 1 1 1 1 1 1 1 1 Gasket Plug Screw Adaptor for 95375 Gasket Cover Screw Screw Washer Gasket BafflePlate Screw Gasket Screw Chamber Cover Oil Cap Oil Cap Torsion Spring Oil Cap Hinge Pin Drip Plate Screw Needle Thread Leading Wire Screw Screw Needle Bar Thread Eyelet Gasket Pull off Wire Screw Head Cover Screw S...

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Page 11: ...434 41394A 99242 22733B 31284D 22585A 40C149 22652E24 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 2 1 1 3 4 4 Screw Screw Needle Lever Eyelet Guard Screw Thread Eyelet Screw Washer Screw Screw Cylinder Cover Screw Cylinder End Cover Thread Eyelet Front Screw Latch Spring Screw Gasket Support For Cylinder Cover Front Thread Eyelet Rear Screw Holding plate Splash leather Gasket Rivet S...

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Page 13: ...18A16 22565C 96654 31117 31158A 22768 1 1 1 1 1 2 1 1 1 1 1 4 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 2 2 1 1 1 Screw Gasket Washer O Ring Bushing Screw Needle Lever Assembly O Ring Needle Lever Stud Needle Bar Connection Screw Retaining Ring Link Pin Screw Needle Bar Link Needle Lever Screw Screw Pin for needle lever Nut for 31247 Washer Needle Lever Rod Assembly Bearing Nut left thread Needle Leve...

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Page 15: ...31248 22564D 22562A 1 1 1 1 2 1 1 1 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Feed Rocker Arm Nut Washer Feed Lift Connection Assembly For Style 31200Q Screw Bearing BallScrew Screw Screw Eccentric Screw Bar For Looper Avoid Lever Gasket Looper Drive Lever And Link Assembly Link Pin Screw Looper Drive Lever Nut Ball Screw Bearing Guide Fork Screw Ball Screw Screw Screw Nut Screw ...

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Page 17: ...31133M 999 30 31142E 31275A 1 2 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 Looper Rocker Shaft Screw Looper Drive Lever Connection Needle Bearing Feed Drive And Looper Avoid Connection Assembly Screw Needle Bearing Eccentric Screw Looper Avoid Link Screw Washer Nut Nut Looper Avoid Drive Link Link Pin Oil Wick Connection Rod Shoulder Screw O Ring Bar For 31142Q Nut Washer Nut Li...

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Page 19: ...999 31 22894W 31139C 31146 35746C 258 96275 31135G 31135E 90 CQ200000000 1 1 1 1 4 2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1 O Ring Feed Rocker Shaft O Ring Screw for 31135C Retaining Ring Link Pin FeedBar Screw HolderForNeedleGuard Needle Guard Screw Spring Screw FeedBarGuide Link Pin O Ring Feed Bar Adjusting Pin O Ring Screw For 31139A Feed Rocker Arm Washer Ball Nut Retaining Ring Feed Bar...

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Page 21: ... 1 2 1 1 Tension Release Lever Shaft Screw TensionRelease and Foot Lifter LeverConnection Screw Screw Presser Foot Lifter Lever OilSealRing PresserFootLifterLever Internal PresserFootLifterLeverConnectingRod PresserSpringRegulator Presser Bar Spring Presser Foot Lifter Lever Bell Crank Presser Foot Lifter Lever Bell Crank Spring Screw Screw Lifter Lever Link Presser Bar Connection Screw Screw Scre...

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Page 23: ...A 52958L 22588A 31104 52804E 1 2 2 2 2 4 2 2 2 1 1 1 2 2 1 1 1 1 1 2 1 2 2 2 1 1 1 Nut Thread Lead in Guide Tension Thread Eyelet Tension Post Ferrule Tension Post Tension Disc Tension Spring Needle Tension Nut Washer Tension Post Support Screw Tension Disc Separator Screw Washer Take up Shield Complete Cast off and Retaining Finger Support Bracket Screw Cast off Take up Shield Screw Cast off Plat...

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Page 25: ...31224Q16 31134M 31134N 22716 99293 31205Q 1 1 1 1 1 1 1 2 1 1 1 2 1 1 Presser Foot Assembly For Style 31200Q64 Yielding Section Left Yielding Section Right Presser Foot Bottom Screw Spring Screw Screw Throat Plate Stripper Plate Screw Screw Feed Dog 31220R16 Presser Foot Assembly not supplied with machine style 31200AQ64Z6 ...

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Page 27: ...Part No Description Amt Req Ref No 27 1 2 3 4 5 6 21201 12288403 TT17 21388 G43294B 28604R 1 1 1 1 1 1 Screw Driver Thread Tweezers Wrench 9 32 Wrench 3 8 Oil Can Container of Oil ...

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Page 29: ...Part No Description Amt Req Ref No 29 1 2 1 4 21101W4 51295B Thread Stand Mounting Isolator ...

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Page 31: ...4W 258 23105B 21182AP 22581 52782C 31282E 22569 31270 22565 31278 753 188D 1 1 1 1 3 1 1 2 2 1 3 1 1 2 1 1 Tape Reel Tension Spring Complete Thumb Screw Spring Spool Pin Nut Tape Reel Bracket Tape Tension Bracket Screw Stud Head Cover Screw Pull off Wire Screw Tape Holder Disc Spool Axle Cone Thumb Screw ...

Page 32: ... 1 1 4 0 7 31140A 7 31140B 7 31142A 15 31142B 15 31142C 7 31142E 17 31142M 17 31142P 17 31142Q 17 31144B 15 31144C 15 31144D 15 31144E 15 31144G 15 31144J 17 31146 15 19 31154 7 31155 7 31158A 9 13 31158B 9 31163 21 31175C 7 31182 11 31182B 11 31182C 11 31182K3 11 31182SK4 11 31184A 9 31184R 11 31190B 7 31194 7 31194A 7 31194B 7 31204 23 31205Q 25 31206 15 31207 15 31209 15 31215B 13 31218A16 13 3...

Page 33: ... 7 1 3 1 7 2 1 7 7 B 1 5 7 7 K 1 1 7 7 L 1 1 8 0 2 6 2 I 7 80557 23 80630C 13 8 7 U 7 8 8 1 7 2 1 8 8 D 3 1 9 0 9 1 9 9 1 2 5 9 4 1 1 2 3 9 5 9 95259 21 95303 21 95375 9 96275 19 96402 11 96654 13 96851 21 990 30 19 99242 11 99287 11 99287B 11 99287C 11 99293 25 99305 19 99306 19 9 9 9 1 7 1 5 999 30 17 19 999 31 19 999 32 17 9 9 9 3 5 7 9 9 9 3 6 7 999 38 17 9 9 9 3 9 W 1 3 999 40 17 B P 1 0 8 1 ...

Page 34: ...NOTES ...

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