UnionSpecial 63900 Series, Adjustment Manual

Page 1: ...ING 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...

Page 2: ...10 INSTALLINGANDMAINTENANCEOFOILSIPHON 10 THREAD 11 REMOVINGTHEBOBBINCASE 11 WINDINGTHEBOBBIN 11 THREADINGTHEBOBBINCASE 11 THREADINGTHEBOBBINCASE CONT 12 REPLACINGTHEBOBBINCASE 12 INSERTINGTHENEEDLE 1...

Page 3: ...T 23 MAINFRAME BUSHING OILGAUGEHEADOILSIPHONANDMISCELLANEOUSOILINGPARTS 25 MAINFRAME BUSHING OILGAUGEHEADOILSIPHONANDMISCELLANEOUSOILINGPARTS CONT 27 MAINFRAMEMISCELLANEOUSCOVERSANDNEEDLETENSIONPARTS...

Page 4: ...sire of Union Special that each machine run at its optimum performance Parts listed in this manual are designed specifically for your machine and are manufactured with utmost precision to assure long...

Page 5: ...es are made at your own risk 7 The warning hints in the instructions are marked with one of these two symbols 8 When doing the following the machine has to be disconnected from the power supply by tur...

Page 6: ...r men s dress pants semi dress pants and work pants Sewn when garment reaches machine inside out Seam Specification 301EFb 1 or EFa 1 Maximum recommended speed 5200 R P M 63900AW For top stitching wai...

Page 7: ...ordered For optimum performance use only genuine Union Special replacement parts NEEDLES Each needle has both a type and size number The type number denotes the kind of shank point length groove finis...

Page 8: ...achine belt and will bear against the belt when in operation The base of the winder has two elongated attaching holes which allow the mechanism to be moved closer to or farther away from the belt as n...

Page 9: ...d that a new machine or one that has been out of service for an extended period be lubricated as follows Remove the head cover and directly oil the bearings of the needle bar link the take up and its...

Page 10: ...k and that the plastic tube is connected at both ends If the above two items do not correct the siphon replace the siphon felts as described below The felt in the priming cup is designed for a specifi...

Page 11: ...mpty bobbin on the winder shaft B up to the stop wind the end of thread around the bobbin a few turns in a clockwise direction and press downwardly on hand lever D until pulley is moved into contact w...

Page 12: ...to show the operator when the needle has been inserted as far as it will go and to provide a means for cleaning the accumulated lint from needle hole so the needle will seat properly THREADING THE NE...

Page 13: ...AT will be equipped with upper feed regulator gear No 63949 39 and lower feed regulator gear No 63949 41 to produce 9 stitches per inch S P I while Styles 63900AW and AAE will be equipped with upper f...

Page 14: ...t locking nut Set connection toward higher designated letter on segment for approximate setting Vary the needle travel so as to obtain the least amount of needle deflection when the needle enters or l...

Page 15: ...holder B Fig 15 is found a needle guarding surface A Fig 15 The purpose of this guarding surface is to prevent the hook point C from coming in contact with needle D at loop taking time should the need...

Page 16: ...late surface in direction of the change required After a change in the hook oil flow the machine should be run about one minute before checking for the desired oil flow PRESSERBARGUIDE When locating p...

Page 17: ...e tension discs are in line with the check spring eyelet B Fig 19 Set the stop screw C Fig 19 so that when the flange of the tension assembly rests against it this position is maintained Tighten the t...

Page 18: ...tom Before replacing cover the machine gasket seat should be wiped clean and free of all lint and dirt The cover gasket should also be inspected for damage and cleaned of dirt Two additional gaskets a...

Page 19: ...up G Fig 23 Increase or decrease of oil supply is controlled by a dial P Fig 23 with an arrow marked INCREASE found below the cloth plate The hook oil feed roller A Fig 23 which rests against the mete...

Page 20: ...g cup G and air seal spring on the hook shaft S with open end toward handwheel end of the machine Fig 23 NOTE The hook shaft should pass through hole of felt attached to metering cup 3 Position oil su...

Page 21: ...tering cup Tighten the finger in place by means of screw and washer making sure the hook oil control finger does not bind or distort metering cup 12 Assemble the hook oil feed roller A Fig 27 and rota...

Page 22: ...in the bore of the take up lever With the oil groove up insert the take up lever pin in the lever making sure the wick is in the groove and press the pin into its hole in the arm There should be no e...

Page 23: ...replacing the handwheel assembly on the main shaft care must be taken not to damage the oil seal located near the end of the shaft The surface of the ring should be lightly oiled and the handwheel wo...

Page 24: ...24...

Page 25: ...51 159BLK 61490D 63494C 61494D 61494E Main Shaft Bushing Housing including bushing Bushing Plug for bed Screw Oil Felt Felt Baffle Head Oil Supply Line Felt Spring Clip Roll Felt Head Oiler Assembly S...

Page 26: ...26...

Page 27: ...ket Lower Reduction Gear Shaft Bushing left Upper Reduction Gear Shaft Bushing left Bed Oil Drain Hole Felt Bed Plug Oil Siphon Priming Cup Cup Felt Oil Wick for bushing housing Middle Reduction Gear...

Page 28: ...28...

Page 29: ...asket Plug Screw for oil filler hole Screw Frame Thread Eyelet Plug Screw Top Cover Screw Spring Clip Top Cover Hinge Top Cover Hinge Pin Screw Plug plastic overall length 7 16 inch 11 1mm Tension Rel...

Page 30: ...30...

Page 31: ...7B 63996 666 240 21662AE 22644K48 652 16 63982C 22571F 61482J 660 204 Screw Frame Thread Eyelet Screw Take up Lever Shield Felt Pad Screw Take up Shield Thread Tension Assembly Quad Ring Tension Post...

Page 32: ...32...

Page 33: ...Oil Return Pump Shaft Collar Screw Hook Driving Shaft Sprocket Screw FeedDrivingBelt QuadRing HandwheelAssembly HubWasher Screw Handwheel SetScrew LockWasher LifterLeverExtensionStudand S Hook Lifter...

Page 34: ...34...

Page 35: ...frame pivot stud Needle Bar Frame Pivot Adjustable Bushing Oil Wick Needle Bar Frame Pivot Stud Needle Bar Frame Screw Needle Bar Frame Rock Shaft Connecting Link Needle Bar Frame Rock Shaft Collar Sc...

Page 36: ...36...

Page 37: ...et Screw for presser bar Screw for presser bar Presser Foot Tension Bar Screw Pin Presser Foot Lifter Block Screw Screw Presser Bar Guide Screw Screw Roller Presser Spring Presser Spring Washer Presse...

Page 38: ...38...

Page 39: ...ensating Edge Guide for Style 63900AW Screw Compensating Edge Guide Edge Guide Mounting Bracket for Style 63900AT Screw for edge guide mounting bracket Edge Guide for Style 63900AT Screw Presser Foot...

Page 40: ...40...

Page 41: ...e Assembly Bobbin Case Latch Lever Bobbin Case Latch Hinge Pin Bobbin Case Latch Spring Screw Tension Regulating Screw Bobbin Case Tension Spring Bobbin Case Bobbin Case Latch Bobbin Bobbin Case Holde...

Page 42: ...42...

Page 43: ...Screw Middle Reduction Gear Stud Lower Reduction Gear Shaft Thrust Collar Screw Upper Stitch Regulating Gear for Styles 63900M T Upper Stitch Regulating Gear for Styles 63900W AE Set Screw Lower Stit...

Page 44: ...44...

Page 45: ...a needle hole Bobbin Case Holder Positioning Finger Screw Screw Lower Feed Roller Stripper Hook Housing Cover for Styles 63900M T Roll Pin for Styles 63900M T Hook Shaft Bushing Housing Hook Shaft Bus...

Page 46: ...46...

Page 47: ...Clamp Screw Take Up Eyelet Replacement Tool Thumb Screw Bell Crank Actuator Rod for Styles 63900T W and AE Knee Press Plate Rod for Style 63900M Rock Shaft Connecting Arm for actuating folder actuator...

Page 48: ...2 1 G 3 3 61430BW 39 61430BX 39 61430CL 3 9 6 1 4 3 0 R 3 9 6 1 4 3 0 V 3 9 6 1 4 3 0 X 3 9 6 1 4 3 2 B 2 7 61439AG 37 61439AM 37 61439AN 37 61439AP 37 61439AR 37 6 1 4 4 0 4 1 6 1 4 4 1 A 2 7 6 1 4...

Page 49: ...A C 3 6 4 7 6 5 2 1 6 3 1 6 5 2 B 2 0 3 3 6 6 0 2 0 4 3 1 6 6 0 2 0 7 4 3 6 6 0 2 1 9 4 5 6 6 0 2 1 9 A 2 9 6 6 0 2 1 9 B 3 7 6 6 0 2 1 9 D 4 1 660 221 27 41 6 6 0 2 4 9 3 7 6 6 0 2 6 9 3 3 6 6 0 2 6...

Page 50: ...50 NOTES...

Page 51: ...51 NOTES...

Page 52: ......