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MANUAL NO.

IP9107-GR

First Edition

STYLES

56500R
56900P
56900R

ADJUSTING INSTRUCTIONS
AND ILLUSTRATED PARTS LIST

SERIES 50000 - FLAT BED MACHINES

04/28/09

Summary of Contents for 56500R

Page 1: ...MANUAL NO IP9107 GR First Edition STYLES 56500R 56900P 56900R ADJUSTING INSTRUCTIONS AND ILLUSTRATED PARTS LIST SERIES 50000 FLAT BED MACHINES 04 28 09 ...

Page 2: ...L NO IP9107 GR ADJUSTING INSTRUCTIONS ILLUSTRATED PARTS LIST FOR 50000 SERIES MACHINES 2 FIRST EDITION COPYRIGHT 2006 BY UNION SPECIAL CORPORATION RIGHTS RESERVED IN ALL COUNTRIES PRINTED IN U S A APRIL 2006 ...

Page 3: ...ion such as right left front or rear of the machine are given relative to the operator s position at the machine unless otherwise noted The handwheel rotates counterclockwise in operating direction as viewed from the right end of the machine To simplify identification of repair parts the mechanisms are illustrated by exploded views A numerical index at the back of the manual will help you locate a...

Page 4: ...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 turning off the main switch or by pulling out the main plug 8 1 When threading needle s looper spreader etc 8 2 When replacing any parts such as needle s presser foot throat plate looper spreader feed do...

Page 5: ...16 NEEDLE LEVER 16 ALIGNING MAINSHAFT TO CRANKSHAFT 17 ORDERING REPAIR PARTS 18 ILLUSTRATIONS 18 IDENTIFYING PARTS 18 TERMS 18 SKIPPED STITCHES 19 MAIN FRAME THROAT PLATE SUPPORT MISC COVERS OILING PARTS 23 MAIN FRAME THROAT PLATE SUPPORT MISC COVERS OILING PARTS CONT 25 MAIN FRAME BUSHINGS OIL GAUGE LOOPER DRIVING PARTS 27 CRANKSHAFT NEEDLE LEVER LOOPER DRIVING PARTS 29 CRANKSHAFT NEEDLE LEVER LO...

Page 6: ...cing sleeves on denim jackets and for attaching overall bibs made of medium heavy to heavy weight materials Seam specification 401 LSc 2 Type 147 GKS needle 16 and 18 gauge CLASS DESCRIPTION 56900 Advanced high speed high throw flat bed machines Three needles independent row left needle in front three loopers enclosed automatic lubricating system Maximum recommended speed 6000 R P M Maximum work s...

Page 7: ...ntain oil level in OPERATE zone add oil when the needle on the gauge regis ters on the black line marked LOW The machine is automatically lubricated and no oiling other than keeping the main reservoir filled is necessary Refer to instructions under LUBRICATION and CHANG ING LENGTH for additional information Threading is illustrated above for all Styles ...

Page 8: ...riod of time lubricate machine as follows Remove head cover clean out lint then directly oil needle bar link and needle bar Replace head cover and fill machine with oil to proper level Run machine at low RPM to ensure proper lubrication of components preventing any damage which may occur from lack of oil distribution NEEDLES Each needle has both a type and size number The type number denotes the k...

Page 9: ... struck groove oversize ball eye spotted short point standard eye and grooves chromium plated sizes 090 036 100 040 110 044 125 049 140 054 Selection of proper needle size is determined by size of the thread used Thread should pass freely through needle eye in order to produce a good stitch formation ADJUSTING INSTRUCTIONS NEEDLE BAR ALIGNMENT Insert a new set of needles type and size required Tur...

Page 10: ... mm is allowable If the distance from the eye of the needle to the point of the looper is greater when the handwheel is turned in the operating direction the looper drive lever rocker shaft will have to be moved slightly towards the rear Moving the shaft towards the front acts the reverse NOTE The 1 64 inch 4mm dimension shown in Fig 5 is for final setting of needle bar height Adjust the looper dr...

Page 11: ... Fig 6 If bind occurrs loosen nuts D and E Fig 7 and reposition strap H Retighten nuts LOOPER SETTINGS Insert a new needle type and size as specified Using the 1 8 inch 3 2mm looper gauge set the looper A Fig 7 so the distance from the center of the needle B to the point of the looper is 1 8 inch 3 2mm when the looper is at its farthest position to the right Looper gauge No 21225 1 8 C can be used...

Page 12: ...in the looper rocker NEEDLE BAR HEIGHT The height of the needle is correct when the top of its eye is 1 64 to 1 32 inch 4 8mm below the underside of the looper when the looper point flush with the left side of the needle as shown in Fig 5 If adjustment is necessary loosen screw B Fig 3 and move needle bar A up or down as required and retighen screw Care should be taken not to disturb alignment of ...

Page 13: ...loosening screw A Fig 11 and slightly move feed rocker B on feed rocker shaft C as required then retighten screws Check to ensure that feed rocker arm D does not bind after adjustment Forward or rearward centering of the feed dog can be accomplished by loosening nut E Fig 11 Move feed rocker B as required and re tighten nut CAUTION Feed crank link sub assembly M Fig 11 MUST have shake with NO bind...

Page 14: ...in needle bar thread eyelet C when needle bar has completed its downward stroke Lower this setting for a smaller needle thread loop or raise it for a larger loop Set needle thread frame eyelet D so that the eyelet hole is 5 8 inch 15 9mm above the attaching screw CHANGING STITCH LENGTH Set the stitch to required length This is accomplished by loosening locknut F Fig 11 on the end of the stitch reg...

Page 15: ...NSION RELEASE The thread tension release is set correctly when it begins to function as the presser foot is raised to within 1 8 inch 3 2mm of the end of its travel and is entirely released when the presser foot has reached its highest position If adjustment is required loosen tension release lever screw A Fig 12 located at the back of machine and move tension disc separator as required Retighten ...

Page 16: ...ud B then push ring and cups through opening in machine bed 4 Install thrust collar C onto stud B being careful not to damage O ring Compress components together by tightening screw G until washer H bottoms against stud B Secure stud B in position using the rear set screw in top of bed 5 To check temper load ring for proper compression remove screw G f rom stud B and loosen rear set screw in top o...

Page 17: ...ned between end of crank and end of mainshaft E as shown Once these settings are made it is very important that the couplings are tightened in the following sequence for best performance Snug spot screws A temporarily to the looper drive crank Snug set screws C temporarily to the crankshaft and mainshaft Torque screws F to 19 21 in lbs 22 24cm kg Loosen spot screws A and set screws C Re torque scr...

Page 18: ... Drive Lever Crank Assembly for all Styles 1 10 22559A Bearing Cap Screw lower 2 11 56343E Oil Splasher 1 12 56343C Ball Joint Guide Fork 1 13 22587K Bearing Cap Screw upper 1 It will be noted in the above example that the eccentric ball stud and bearing are not listed The reason is that replacement of these parts individually is not recommended so the complete sub assembly should be ordered IDENT...

Page 19: ... s i t o o f r e s s e r p m a e s e h t f f o g n i m o c r o t n o r f n i n w o d d l e h t o n s i l a i r e t a M g n i g g a l f s i d n a m a e s f o k c a b r o e l b a l i a v a f i t o o f r e s s e r p e p y t r o t c a r t e s U g n i k c i t s s i r a b r e s s e r p f i e e s r o t a r e p o d r a w o t g n i t c e l f e d e l d e e N S A G 8 2 1 e l d e e n t n i o p p r a h s e s U...

Page 20: ...20 ...

Page 21: ...21 EXPLODED VIEWS AND DESCRIPTION OF PARTS ...

Page 22: ...22 ...

Page 23: ...Oil Pump Assembly Intake Felt Nut for ref no 22 Gasket for ref no 22 Screw for ref no 10 42 on page 29 Needle Thread Take up Wire Plug Screw Presser Bar Connection Guide Plate Lockwasher Screw for ref no 29 Head Oil Tube Mounting Block Nut Head Oil Tube Clamp Gasket for head cover Head Cover all Styles Plug Screw Screw for head cover Screw for head oil tube mounting bracket Screw for ref no 30 1 2...

Page 24: ...24 ...

Page 25: ...ame needle thread eyelet Belt Guard Screw for belt guard Screw for looper thread guard and eyelet Looper Thread Eyelet for Class 56500 Looper Thread Eyelet for Class 56900 Looper Thread Guard Looper Thread Eyelet Needle Thread Lubricator Oil Reservoir Oil Cup Adapter Coupling Connecting Sleeve Nut Screw for thread lubricator Needle Thread Lubricator Felt Pad Needle Thread Lubricator Oil Reservoir ...

Page 26: ...26 ...

Page 27: ...uge Nut for thrust adjusting screw Thrust Adjusting Screw Oil Intake Filter Base Felt rear Main Shaft Bushing right Needle Bar Bushing upper Oil Attraction Felt Feed Rocker Shaft Bushing Felt Main Shaft Bushing left Looper Rocker Shaft Bushing Base Felt front Looper Drive Lever Shaft Bushing front Main Shaft Bushing intermediate Looper Drive Lever Shaft Bushing rear Needle Bar Bushing lower Presse...

Page 28: ...28 ...

Page 29: ...and looper drive lever rocker shaft Thrust Collar Screw Counterweight Screw Needle Lever Connecting Rod Needle Lever Thread Eyelet for Class 56500 Screw Needle Lever Thread Eyelet for Class 56900 Needle Lever Assembly Screw Needle Bar Connection Screw Link Pin Yarn 6 Strands Retaining Ring Needle Bar Link Screw Needle Lever Bushing Needle Lever Stud 1 1 1 1 1 1 1 1 2 1 2 1 1 2 1 1 1 2 1 1 4 2 1 2 ...

Page 30: ...30 ...

Page 31: ... ref no 44 on page 27 Base Oil Pump ref no 23 on page 23 Set Screw Spot Screw Looper Drive Lever Coupling Screw Looper Drive Lever Crank Assembly Bearing Cap Screw upper Ball Joint Guide Fork Oil Splasher Bearing Cap Screw lower Looper Drive Lever Rocker Shaft Oil Wick Thrust Adjusting Screw Looper Drive Lever Thrust Washer Needle Thrust Bearing Pilot Ring 29476LN 51216M 56316C 12934A 22894C 22894...

Page 32: ...32 ...

Page 33: ...9 Nut Looper Rocker Shaft Arm Looper Avoid Link Pin Looper Rocker Frame Stop Screw Screw Looper Rocker Stud Nut Screw Looper Rocker Frame Lock Screw Looper Connecting Rod Ball Joint Oiler left Screw Looper Rocker Assembly see chart below Screw for Class 56500 Screw for Class 56900 Cone Looper Rocker Screw Stud Looper Cone Lock Nut Lock Nut Screw 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 ...

Page 34: ...34 ...

Page 35: ... 47 49 Screw for feed dog Needle Guard see page 39 Screw Screw for needle guard Washer for needle guard screw Main Shaft Gasket Oil Flow Regulating Screw Feed Lift Eccentric Assembly for all Styles Spot Screw Screw for link pin Thrust Washer for feed bar Looper Thread Take up Set Screw Spot Screw Looper Avoid Eccentric Assembly for all Styles Screw for link pin Spot Screw 2 1 2 1 1 1 2 1 1 2 1 1 1...

Page 36: ...36 ...

Page 37: ...Stud Screw Main Shaft Head Plate Screw Feed Rocker Arm and Feed Crank Link Sub Assembly Nut Washer Locking Stud Screw for link pin Feed Crank Link Feed Crank Link Ferrule Feed Crank Link Pin Oil Wick Nut left thread Washer 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 thru 38 See preceding page 56336D 660 269B 22543A 56336 22798C 56322C 22525A 56335S 55235E 6042A 55235D 77 56336K 56336C 51054 666 149 269 ...

Page 38: ...38 ...

Page 39: ...lass 56900 all gauges Screw Looper front for Style 56500R16 Looper front for Style 56500R18 Looper front for Style 56900P8 R8 Looper front for Style 56900P9 R9 Looper Middle for Class 56900 and back looper for Class 56500 Looper back for Style 56900P8 R8 Looper back for Style 56900P9 R9 Tension Nut Tension Spring Tension Disc Tension Post Looper Thread Guide for Class 56500 Looper Thread Guide for...

Page 40: ...40 ...

Page 41: ...r Tension Post Support for Class 56500 Tension Disc Separator for all Styles Tension Post Support for Class 56900 Auxiliary Tension Post Support for al Styles Felt Washer for auxilary tension post support 2 4 4 4 4 8 4 2 4 4 2 1 1 1 43266 51491C 51292D 51292A 56392E 109 56392F 51292F8 39592AK 39592Z 51292F2 22598C 80557 56382X 21657 4 51992A 59292 59292A 5 6 6 6 6 12 6 3 6 6 3 1 2 1 1 1 Part No De...

Page 42: ...42 ...

Page 43: ...er Connection Screw Lifter Lever Connecting Rod Lifter Lever Bell Crank Lifter Lever Bell Crank Spring Screw Screw Screw Presser Bar Connection and Guide Presser Bar Screw Presser Spring Lifter Lever Link Presser Spring Regulator 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 TENSION LIFTER LEVER PARTS 21657W 21657Y 22569 402 51283H 660 207 53783N 22537 56383AB 56383AA 56383D 22557G 22758C 402 51257M 519...

Page 44: ...44 ...

Page 45: ... Screw for oil shields rear left Oil Shield left Shim Stop Hinged Oil Shield Screw for hinged oil shield Screw for cloth plate Cloth Plate Screw for cloth plate 1 1 3 3 1 2 1 1 3 1 1 4 1 1 1 2 2 1 3 56381 207A 51281AC 35772H 22760A 22845B 25C 23425V 22848 G51381BD G51382BA 99295 G51381BA 52978Z 51282AJ 25S 22839C 56401C 22526C 6 1 R 0 0 5 6 5 8 1 R 0 0 5 6 5 8 P 0 0 9 6 5 9 P 0 0 9 6 5 8 R 0 0 9 6...

Page 46: ...46 ...

Page 47: ...18 Presser Foot Assembly for Style 56900P8 Presser Foot Assembly for Style 56900P9 Shank for presser foot Screw for shank Screw for yoke Screw for spring Spring Yoke Bottom presser foot front section for Style 56900P8 Bottom presser foot front section for Style 56900P9 Bottom presser foot rear section for Style 56900P8 Bottom presser foot rear section for Style 56900P9 Spring Screw for spring Thro...

Page 48: ...48 ...

Page 49: ...ing Spring Yoke Bottom presser foot front section for Style 56900R8 Bottom presser foot front section for Style 56900R9 Bottom presser foot rear section for Style 56900R8 Bottom presser foot rear section for Style 56900R9 Spring Screw for spring Throat Plate for Style 56900R8 Throat Plate for Style 56900R9 Feed Dog for Styles 56900R8 R9 1 1 1 1 6 1 1 1 1 1 1 1 1 1 1 1 1 50320N8 56920R9 35830B 91D ...

Page 50: ...50 ...

Page 51: ...21201 660 264 421D34 21388 Thread Stand Assembly for 4 thread machines Thread Stand Assembly for 6 thread machines Isolator Isolator Thread Tweezers Screwdriver 9 64 inch round blade overall length 7 11 16 inches S Hook for all Styles Treadle Chain 34 inches long for all Styles Wrench 3 8 inch open end for all Styles 1 1 3 1 1 1 1 1 1 ...

Page 52: ...49 35830H 47 49 35830K 47 49 35830R8 47 35830R9 47 35830S9 49 35897BV 27 39543N 35 39592AK 41 39592Z 41 402 4 3 41391 35 421D34 51 43266 41 43296 25 50 216BLK 39 50 895BLK 27 50320M8 47 50320N8 49 50324N8 47 50324P8 49 50330BE8 49 50330BF8 47 50330BG8 49 50J16 39 50J26 39 51 902BLK 27 51054 37 51154E 27 51216M 31 51216N 29 33 51216P 29 51236J 33 35 51240D 33 51242M 33 51244L 33 51244N 33 51246 33 ...

Page 53: ...30 47 56930B 49 56958 29 56958A 29 56958B 25 57821A 29 57836B 27 57841 33 57842B 27 57847 29 57890B 27 57954 27 57WB 25 57WD 25 59292 41 59292A 41 59493A 23 6042A 35 37 605A 2 5 61321L 29 61341J 35 61434G 35 627 3 3 660 1002 2 7 660 202 2 9 660 207 4 3 660 215 2 9 660 264 5 1 660 269B 3 7 660 313 2 3 660 342 2 3 660 359 3 5 660 438 3 5 660 614 2 9 660 617 2 5 660 625 2 9 660 665 27 31 660 73 25 66...

Page 54: ...54 NOTES ...

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