mechanical adjustment
Contents
1. THREAD BOBBIN CORRECTLY 4 BREAKING BOBBIN THREAD TOO MUCH THREAD IS ON TRE BOBBIN LINT IS STUCK INSIDE THE BOBBIN HOLDER ADJUST THE POSITION OF STOPPER CLEAN THE SHUTTLE CHANGE TO A HIGHER QUALITY SEWING THREAD CLEAR OUT THE JAMMING THREAD THREAD QUALITY IS TOO LOW THREAD 15 JAMMING AROUND THE BOBBIN NEEDLE IS HITTING THE NEEDLE PLATE SEE MECHANICAL ADJUSTMENT NEEDLE POSITION 5 NEEDLE BREAKS NEEDLE IS BENT OR WORN CHANGE THE NEEDLE SEE MECHANICAL ADJUSTMENT NEEDLE CLEARANCE TO SHUTTLE NEEDLE IS HITTING THE SHUTTLE THE FABRIC MOVES WHILE THE NEEDLE IS PIERCING IT OR THE NEEDLE ZIGZAGS WHILE IN FABRIC SEE MECHANICAL ADJUSTMENT NEEDLE SWING FABRIC IS BEING PULLED TOO GUIDE THE FABRIC GENTLY STRONGLY WHILE SEWING WHILE SEWING CONDITION CAUSE HOW TO FIX REFERENCE 6 NOISY BACKLASH BETWEEN SEE MECHANICAL OPERATION SHUTTLE HOOK GEARAND ADJUSTMENT BACKLASH LOWER SHAFT GEAR IS TOO LOWER SHAFT GEAR GREAT LOWER SHAFT GEAR IS LOOSE ELIMINATE THE LOOSENESS INAPPROPRIATE BELT SEE MECHANICAL P 37 TENSION ADJUSTMENT MOTOR BELT TENSION NOT ENOUGH OIL OIL ALL MOVING PARTS UPPER SHAFT IS LOOSE ELIMINATE THE LOOSENESS 7 DEFORMATION 1 INAPPROPRIATE FEED2. 0 8 MM 0 03 IF THERE IS MORE THAN A 0 8 0 03 BACKLASH BETWEEN THE GEARS ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE BED COVER SEE 7 AND LOOSEN HEXAGONAL SOCKET SCREW 2 TURN THE LOWER SHAFT BUSHING ECCENTRIC BUSHING D IN DIRECTION E WHEN THE PLAY AT THE SHUTTLE HOOK TIP IS TOO SMALL 3 TURN THE LOWER SHAFT BUSHING ECCENTRIC BUSHING D IN DIRECTION WHEN THE PLAY AT THE SHUTTLE HOOK TIP IS TOO LARGE 4 TIGHTEN THE HEXAGONAL SOCKET SCREW C SECURELY AFTER ADJUSTMENT A Ne THE PLAY D LOWER SHAFT GEAR gt GROOVE OF LOWER SHAFT BUSHING 28 MECHANICAL ADJUSTMENT BUTTONHOLE STITCH BALANCE TO CHECK 1 SET THE MACHINE AS FOLLOWS STITCH SELECTOR l STITCH LENGTH CONTROL BLUE ZONE STITCH WIDTH CONTROL 6 5 2 ATTACH THE AUTOMATIC BUTTONHOLE FOOT 3 SEW A BUTTONHOLE AND CHECK THE STITCH BALANCE BETWEEN THE RIGHT AND LEFT SIDES OF THE BUTTONHOLE 4 THE CORRECT BUTTONHOLE STITCH BALANCE IS WHEN THERE IS THE SAME COARSE ON THE RIGHT AND LEFT SIDES OF THE BUTTONHOLE 0 1 SE 5 tegt SELECTED PATTERN 29 MECHANICAL ADJUSTMENT BUTTONHOLE STITCH BALANCE ADJUSTMENT PROCEDURE 1 REMOVE THE BED COVER SEE 7 2 LOOSEN HEXAGONAL SOCKET SCREW 3 IF THE RIGHT SIDE OF THE BUTTONHOLE IS SPARSE TURN THE RING B IN THE DIRECTION OF C IF THE LEFT SIDE OF THE BUTTONHOLE IS TOO SPARSE TURN THE RING B IN THE DIREC
3. MOVING NOT MOVING low MOVING MOVING HIGH STRETCH LENGTH STITCH LENGTH CONTROL A 21 MECHANICAL ADJUSTMENT FEED DOG HEIGHT ADJUSTMENT PROCEDURE 1 REMOVE THE BED COVER 2 LOOSEN THE NUT A AND THE SETSCREW 3 TURN THE ADJUSTING SCREW IN THE DIRECTION D WHEN THE FEED DOG HEIGHT IS LOW OR IN THE DIRECTION OF E WHEN THE FEED DOG HEIGHT IS HIGH 4 TIGHTEN THE NUT A AND THE SETSCREW SECURELY 00 0 22 MECHANICAL ADJUSTMENT NEEDLE BAR HEIGHT MACHINE SETTING 1 SET THE STITCH SELECTOR SP AND THE ZIG ZAG WIDTH 6 5 PREPARATION 1 REMOVE THE NEEDLE PRESSER FOOT NEEDLE PLATE A AND BOBBIN HOLDER B 2 INSERT THE RADIAL TIMING GAUGE 68497 ONTO THE HOOK 3 LOOSEN THE NEEDLE CLAMP SCREW E AND ATTACH THE NEEDLE BAR HEIGHT GAUGE 68168 D PUSH IT UP UNTIL IT STOPS 4 TIGHTEN THE NEEDLE CLAMP SCREW E TO CHECK 1 TURN THE HANDWHEEL TOWARD YOU UNTIL THE NEEDLE BAR F REACHES ITS LOWEST POSITION IF THE FINGER G COMES DOWN ON OF THE PIN OR IF THE PIN I TOUCHES THE SURFACE OF THE GAUGE K TOO FORCEFULLY ADJUST IT IN ACCORDANCE THE INSTRUCTIONS ON THE NEXT PAGE 2 THE FACE OF THE FINGER G SHOULD HIT THE SIDE OF PIN H AND THE END OF PIN I SHOULD TOUCH THE SURFACE OF THE GAUGE WHEN THE NEEDLE BAR F REACHES ITS LOWEST POSITION MECHANICAL ADJUSTME
4. AKE THE PRESSURE STRONGER INAPPROPRIATE NEEDLE SEE MECHANICAL BAR HEIGHT ADJUSTMENT NEEDLE BAR HEIGHT INAPPROPRIATE NEEDLE SEE MECHANICAL TO SHUTTLE TIMING ADJUSTMENT NEEDLE TO SHUTTLE TIMING INAPPROPRIATE NEEDLE SEE MECHANICAL TO SHUTTLE CLEARANCE ADJUSTMENT NEEDLE CLEARANCE TO SHUTTLE 2 FABRIC NOT 1 PRESSER FOOT PRESSURE ADJUST THE PRESSER BAR MOVING IS TOO WEAK LEVEL TO MAKE THE PRESSURE STRONGER INCORRECT F D HEIGHT SEE MECHANICAL ADJUSTMENT FEED DOG HEIGHT F D IS IN DOWN POSITION RAISE THE F D LEVEL THREAD ON BOTTOM SIDE MAKE SURE TO BRING OF FABRIC IS JAMMED UP BOTH NEEDLE AND BOBBIN THREAD UNDER THE FOOT WHEN STARTING SEWING FEED DOG ARE CHANGE THE FEED DOG WORN CONDITION CAUSE HOW TO FIX REFERENCE INITIAL SEWING SPEED IS START WITH MEDIUM SPEED FAST 3 BREAKING UPPER THREAD 15 INCORRECT NEEDLE IS BENT OR DULL USE THE PROPER THREAD PATH REPLACE WITH A NEW NEEDLE UPPER THREAD TENSION IS TOO STRONG ADJUST UPPER THREAD TENSION CORRECTLY NEEDLE SIZE IS INAPPROPRIATE FOR FABRIC USE APPROPRIATE NEEDLE FOR FABRIC AND THREAD IN USE NEEDLE EYE IS WORN CHANGE THE NEEDLE NEEDLE HOLE IN NEEDLE PLATE IS WORN OR BURRED REPAIR THE HOLE OR REPLACE THE NEEDLE PLATE INCORRECTLY THREADED BOBBIN
5. AL TIGHTEN HEXAGONAL SOCKET SCREW D SECURELY 18 MECHANICAL ADJUSTMENT STRETCH STITCH BALANCE TO CHECK 1 SET THE STITCH SELECTOR AT THE STITCH LENGTH CONTROL AT STRETCH STITCH AND THE STRETCH STITCH ADJUSTER AT 4 2 PLACE A PIECE OF PAPER ON THE NEEDLE PLATE AND LOWER THE PRESSER FOOT 3 TURN THE HANDWHEEL TO MARK NEEDLE POINTS ON THE PAPER 4 THE NEEDLE SHOULD PENETRATE THE SAME HOLE IN A FORWARD AND REVERSE DIRECTION WHILE TURNING THE HANDWHEEL TOWARDS YOU CH LENGTH l SELECTED PATTERN STITCH LENGTH CONTROL 19 MECHANICAL ADJUSTMENT STRETCH STITCH BALANCE ADJUSTMENT PROCEDURE 1 REMOVE THE CAP F 2 IF THE REVERSE STITCH LENGTH B IS SHORTER THAN THE FORWARD STITCH LENGTH A TURN THE ADJUSTING SETSCREW E IN THE DIRECTION OF IF THE REVERSE STITCH LENGTH B IS LONGER THAN THE FORWARD STITCH LENGTH A TURN THE ADJUSTING SETSCREW E IN THE DIRECTION OF D F 20 MECHANICAL ADJUSTMENT FEED DOG HEIGHT TO CHECK 1 SET THE STITCH LENGTH CONTROL 4 AND RAISE THE NEEDLE TO ITS HIGHEST POSITION 2 RAISE THE PRESSER FOOT AND PLACE THE FEED DOG HEIGHT GAUGE 68496 ON THE NEEDLE PLATE 3 TURN THE HANDWHEEL AND CHECK THE FEED DOG HEIGHT 4 THE FEED DOG HEIGHT SHOULD BE IN ACCORDANCE WITH CHART 1 CHART 1 GAUGE FEED DOG HEIGHT FACE A FACE B 0 95MM 0 75MM NOTMOVNG Moving CORRECT NOT
6. CS AND DRAW THE THREAD A DOWN AROUND THE CHECK SPRING HOLDER AS IN FIG 1 LOWER THE PRESSER FOOT AND BRING THE THREAD A UP THE TOP TENSION SHOULD BE BETWEEN 75 AND 90g WHEN PULLING THE THREAD A UP iN THE DIRECTION OF B USE POLYESTER SEWING THREAD 50 WHITE IF IT IS NOT WITHIN THE ABOVE LIMITS ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 2 3 REMOVE THE FRONT COVER UNIT SEE P 9 PULL THE SPRING C AWAY FROM THE LEAD SCREW D IF THE TOP TENSION S TOO LOOSE TURN THE LEAD SCREW D IN THE DIRECTION OF E IF THE TOP TENSION IS TOO TIGHT TURN THE LEAD SCREW D IN THE DIRECTION OF F D TOP TENSION CONTROL PULL THIS WAY SET AT 4 B FIG 1 12 MECHANICAL ADJUSTMENT PRESSER BAR HEIGHT AND ALIGNMENT TO CHECK i 2 RAISE THE PRESSER FOOT LEVER B THE DISTANCE BETWEEN THE ZIGZAG FOOT AND THE NEEDLE PLATE SHOULD BE 6 0 0 24 IF THIS IS NOT THE CASE ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 2 OPEN THE FACE COVER RAISE THE PRESSER FOOT LEVER B AND LOOSEN THE HEXAGONAL SOCKET SCREW D ON THE PRESSER BAR HOLDER E ADJUST THE DISTANCE BETWEEN THE ZIGZAG FOOT A AND THE NEEDLE PLATE TO 6 0 MM 0 24 TIGHTEN THE SETSCREW D SECURELY NOTE WHEN YOU TIGHTEN THE SETSCREW D MAKE SURE THAT BOTH SIDES OF THE ZIGZAG FOOT A ARE PARALLEL WITH THE FEED DOG SLITS F FEED DOG SLITS A 6MM 1 gt SHOU
7. F 4 G INDICATED BY THE BLACK ARROWS GREASE USE WHITE GREASE SUCH AG MOLYCOTE EM 40M THE POINTS H I 8 J INDICATED BY THE WHITE ARROWS zaw ea 5 ZL NE 40 WIRING OF TERMINAL BLOCK SPECIAL TOOLS REQUIRED ZY L FEED DOG HEIGHT GAUGE 68496 SLOTTED SCREW DRIVER NEEDLE HEIGHT GAUGE 68168 PHILLIPS SCREW DRIVER Se TEST PIN 68368 ALLEN SCREW DRIVER RADIAL TIMING GAUGE SHEET HUT369C ALLEN WRENCH 42 N
8. HE PRESSER BAR LOOSEN THE SETSCREW A 3 PULL DOWN THE BH LEVER UNTIL IT TOUCHES FOOT R AND THE BAR B HITS THE FRONT BASE PLATE ALSO MAKE SURE THE BH LEVER ADJUSTING PLATE C TOUCHES THE FINGER D TIGHTEN THE SETSCREW A 4 RAISE THE FEED DOG AND SEW A BUTTONHOLE THEN CHECK THE LENGTH SHORT STANDARD LONG FRONT BASE PLAT NG a ADJUSTING PULLI AR B HITTING FRONT BASE PLATE TOUCHING SETSCREW A FINGER 0 1 I a TOUCHING BH FOOT R 36 MECHANICAL ADJUSTMENT BUTTONHOLE FUNCTION 2 IF THE BAR TACK ON THE BUTTONHOLE OCCURS TOO EARLY OR IF NO BAR TACK IS SEWN AT ALL ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 REMOVE THE BELT COVER SEE 2 A IF THE BAR TACK IS SEWN EARLY TURN THE HEXAGONAL SOCKET SCREW E IN DIRECTION C B IF THE BAR TACK IS SEWN TOO LATE TURN THE HEXAGONAL SOCKET SCREW E IN DIRECTION D 3 THE BELT COVER SEE BAR IS SEWN BAR TACK IS SEWN TOO EARLY TOO LATE HEXAGONAL SOCKET SCREW 37 MECHANICAL ADJUSTMENT REPLACEMENT AND ADJUSTMENT OF NEEDLE THREADER PLATE IF THE NEEDLE THREADER IS DAMAGED REPLACE IT OR ADJUST AS FOLLOWS TO REPLACE THE NEEDLE THREADER COVER 1 PULL OUT THE THREADER COVER DRAWING 1 2 TO ATTACH THE THREADER COVER MATCH THE GROOVE TO THE PIN B AND INSERT THE THREADER COVER ADJUSTMENT OF THREADER PLATE 3 IF THE HOOK D IS TOUCHING THE RIG
9. HT OR LEFT SIDE OF NEEDLE EYE LOOSEN THE SETSCREW E AND SLIDE THE THREADER PLATE H SEE DRAWING 2 4 IF THE HOOK D IS TOUCHING THE TOP OR BOTTOM SIDE OF NEEDLE EYE REMOVE THE FACE COVER AND LOOSEN THE SETSCREW F AND ADJUST THE THREADER POSITION SET PLATE G DRAWING 1 PIN B THREADER KNOB HOOK D THREADER POSITION SET PLATE G DRAWING 2 SETSCREW E SETSCREW x HOOK D THREADER PLATE H 38 MECHANICAL ADJUSTMENT MOTOR BELT TENSION TO CHECK 1 IF THE MOTOR BELT TENSION IS TOO TIGHT OR TOO LOOSE IT MAY CAUSE THE BELT TO MAKE NOISE A TOO TIGHT MOTOR BELT TENSION CAN CAUSE THE MACHINE TO RUN SLOWLY AND WILL OVERLOAD THE MOTOR A TOO LOOSE MOTOR BELT TENSION MAY CAUSE THE BELT TEETH TO JUMP OVER THE PULLEY THE CORRECT MOTOR BELT TENSION IS ACHIEVED WHEN THE BELT IS PUSHED IN ABOUT 7 MM 0 28 9 MM 0 36 UNDER A PRESSURE OF ABOUT 300 GRAMS ADJUSTMENT PROCEDURE 1 2 3 REMOVE THE BELT COVER SEE P 8 LOOSEN THE SETSCREWS A AND B MOVE THE MOTOR UP OR DOWN TO ADJUST THE DEFLECTION TO ABOUT 7 MM 0 28 9MM 0 36 TIGHTEN THE SETSCREWS A AND B A 300g LOAD DEFLECTION 7 9 MM B 39 OILING FACTORY LUBRICATED PARTS WILL PROVIDE YEARS OF HOUSEHOLD SEWING WITHOUT ROUTINE OILING BUT YOU SHOULD STILL CHECK FOR POSSIBLE LUBRICATION NEEDS WHENEVER SERVICING THE MACHINES OIL USE GOOD QUALITY SEWING MACHINE OIL AT THE POINTS D
10. LD BE PARALLEL MECHANICAL ADJUSTMENT NEEDLE SWING TO CHECK IF THE NEEDLE BAR MOVES SIDEWAYS WHILE THE NEEDLE IS IN THE FABRIC IN ZIGZAG STITCHING ADJUST AS FOLLOWS THE NEEDLE SHOULD START SWINGING 2 0 08 TO 3 MM 0 12 ABOVE THE NEEDLE PLATE ADJUSTMENT PROCEDURE 1 REMOVE THE COVER SEE 6 SET THE SELECTOR AND SELECT THE MAXIMUM ZIGZAG WIDTH 2 LOOSEN THE TWO HEXAGONAL SOCKET SCREWS ON THE UPPER SHAFT WORM 3 WHILE HOLDING THE UPPER SHAFT WORM IN PLACE CAREFULLY TURN THE HANDWHEEL AND ADJUST IT SO THAT THE LATERAL NEEDLE SWING STARTS FROM A POSITION 2 MM 0 08 TO 3 MM 0 12 ABOVE THE NEEDLE PLATE IN RIGHT OUTFLOW 4 TIGHTEN THE TWO HEXAGONAL SOCKET SCREWS ON THE UPPER SHAFT WORM 5 ATTACH THE COVER UNIT NOTE FOR REMOVAL AND REPLACEMENT OF THE TOP COVER UNIT REFER TO PAGE 2 AFTER THE TIMING ADJUSTMENT OF THE LATERAL NEEDLE SWING MAKE SURE THAT THERE IS NO BACKLASH BETWEEN THE UPPER SHAFT WORM AND THE OTHER GEAR AND THAT A SMOOTH ROTATION IS OBTAINED THE BACKLASH THE BACKLASH UPPER SHAFT IS DECREASED 15 INCREASED WORM HEXAGONAL O MAKE SURE THE WORM DOES NOT MOVE SIDEWAYS WHEN TURNING THE UPPER 5 OTHERWISE THE BACKLASH BETWEEN THE WORM AND THE GEAR WILL CHANGE NOTE RIGHT OUTFLOW START POSITION MECHANICAL ADJUSTMENT STRAIGHT STITCHING TO CHECK 1 SET THE STITCH WIDTH CONTROL AT 0 AND THE STITCH SELECT
11. MECHANICAL ADJUSTMENT ZERO FEEDING ADJUSTMENT PROCEDURE 1 2 3 4 FORWARD REMOVE THE BELT COVER SEE P 8 SET THE STITCH SELECTOR AT 4 AND THE STITCH LENGTH CONTROL AT 0 PLACE A PIECE OF PAPER ON THE NEEDLE PLATE IF THE PAPER MOVES FORWARD TURN THE ADJUSTING SCREW C IN DIRECTION A IF THE PAPER MOVES BACKWARD TURN THE ADJUSTING SCREW C IN DIRECTION B BACKWARD 34 MECHANICAL ADJUSTMENT BASIC NEEDLE POSITION IF THE LEFT NEEDLE POSITION IN MAXIMUM ZIGZAG AND IN STRAIGHT SEWING ARE NOT THE SAME ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 2 REMOVE THE BELT COVER SEE SELECT THE LEFT NEEDLE POSITION IN MAXIMUM ZIG ZAG THEN SELECT THE LEFT NEEDLE POSITION IN STRAIGHT SEWING IF THE RESULT LOOKS LIKE A SEE BELOW TURN THE ADJUSTING SCREW IN DIRECTION D IF THE RESULT LOOKS LIKE B SEE BELOW TURN THE ADJUSTING SCREW IN DIRECTION C REPLACE THE BELT COVER SEE ADJUSTING SCRE D NEEDLE POSITION IN MAXIMUM ZIGZAG NEEDLE POSITIONIN CD gt STRAIGHT SEWING wa A B CORRECT INCORRECT INCORRECT 35 MECHANICAL ADJUSTMENT BUTTONHOLE FUNCTION 1 A BUTTONHOLE THAT HAS BEEN SEWN WITH THE AUTOMATIC BUTTONHOLE FOOT WILL BE 3 0 12 LONGER THAN THE ACTUAL BUTTON THIS LENGTH CAN BE ADJUSTED AS FOLLOWS ADJUSTMENT PROCEDURE 1 LOWER THE FEED DOG AND ATTACH THE BH FOOT R THEN LOWER T
12. NT NEEDLE BAR HEIGHT ADJUSTMENT PROCEDURE 1 2 3 OPEN THE FACE COVER LOOSEN THE HEXAGONAL SOCKET SCREW M ON THE NEEDLE BAR HOLDER L MOVE THE NEEDLE BAR F UP OR DOWN TO ADJUST THE POSITION OF THE NEEDLE BAR SO THAT THE FACE FINGER G 5 THE SIDE OF PIN H AND THE END OF PIN 1 TOUCHES THE SURFACE OF THE GAUGE TIGHTEN THE HEXAGONAL SOCKET SCREW M SECURELY 24 MECHANICAL ADJUSTMENT NEEDLE TO SHUTTLE TIMING 1 SET THE STITCH SELECTOR AT amp AND THE ZIG ZAG WIDTH 6 5 PREPARATION 1 REMOVE THE NEEDLE PRESSER FOOT NEEDLE PLATE AND BOBBIN HOLDER B 2 INSERT THE RADIAL TIMING GAUGE 68497 C SO THAT THE SMALL FINGER ON THE GAUGE FITS INTO THE SLOT NEAR THE TIP OF THE HOOK 3 PUT THE TEST 68368 D IN TO THE NEEDLE HOLDER PUSH UP IT UNTIL IT STOPS 4 TIGHTEN THE NEEDLE CLAMP SCREW F TO CHECK 1 TURN THE HANDWHEEL TOWARD YOU UNTIL THE TIP OF TEST PIN 68368 D SLIGHTLY TOUCHES THE RADIAL TIMING GAUGE 68497 2 THE TIP OF TEST PIN 68368 D SHOULD BE BETWEEN THE TWO WHITE LINES OF THE RADIAL TIMING GAUGE 68497 C THE TEST PIN DOES NOT FALL BETWEEN THE TWO WHITE LINES ON THE RADIAL TIMING GAUGE ADJUST AS FOLLOWS 25 MECHANICAL ADJUSTMENT NEEDLE TO SHUTTLE TIMING ADJUSTMENT PROCEDURE 1 REMOVE THE BED COVER SEE 7 2 TURN THE HANDWHEEL TOWARD YOU UNTIL THE NEEDLE BAR REACHES THE LOWEST P
13. OFF AND THEN REMOVE THE BELT COVER WHEN YOU REATTACH THE BELT COVER SET THE PROJECTION INTO THE GROOVE ON THE FRONT COVER FREE ARM COVER NEEDLE PLATE FREE ARM COVER 1 REMOVE THE SETSCREW AND THE NEEDLE PLATE 2 REMOVE THE BED COVER SEE PAGE 7 3 REMOVE THE SCREW B AND THE FREE ARM COVER SERVICE ACCESS FRONT COVER OPEN THE FACE COVER REMOVE THE TOP COVER SEE Pei AND THE BELT COVER SEE P 8 REMOVE THE SETSCREWS A AND B LOOSEN SETSCREWS C AND D THEN REMOVE THE FRONT COVER E PULL THE FRONT COVER OFF THE LATCH F OF THE REAR COVER REMOVE THE LOWER PART OF THE THREAD GUIDE G TO REPLACE FOLLOW THIS PROCEDURE IN REVERSE PWN SERVICE ACCESS REAR PANEL PART FROM THE PRESSER FOOT LEVER REAR PANEL UNIT 1 OPEN THE FACE COVER 2 REMOVE THE TOP COVER UNIT SEE P 6 THE BELT COVER SEE P 8 AND THE FRONT COVER SEE P 9 3 REMOVE THE SETSCREWS A B AND C AND LOOSEN THE SETSCREWS D E AND P 4 LOWER THE PRESSER FOOT LEVER AND PULL AWAY THE REAR PANEL UNIT FROM THE MACHINE FRAME TWIST AND REMOVE THE ARM COVER PART FROM THE PRESSER FOOT LEVER WHEN YOU REATTACH THE REAR PANEL PUT THE WINDOW ON THE PLASTIC PANEL OVER THE PRESSER FOOT LEVER AND THEN REPLACE THE SIX SCREWS 11 MECHANICAL ADJUSTMENT TOP TENSION TO CHECK 1 2 SET THE TENSION DIAL AT 4 AND RAISE THE PRESSER FOOT PASS THE THREAD A BETWEEN THE DIS
14. OR i 2 TURN THE HANDWHEEL BY HAND 3 THE NEEDLE SHOULD NOT SWING SIDE TO THE SIDE AT THIS SETTING z 0 1 WIDTH 1 2 3 4 s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l 5 17 MECHANICAL ADJUSTMENT DISTRIBUTION OF NEEDLE SWING ADJUSTMENT PROCEDURE 1 2 OPEN THE FACE COVER AND LOOSEN THE HEXAGONAL SOCKET SCREW MOVE THE NEEDLE BAR SUPPORTER E EITHER DIRECTION UNTIL THE DISTANCES AND C BECOME EQU
15. OSITION 3 LOOSEN HEXAGONAL SOCKET SCREWS G AND H 4 HOLD THE HANDWHEEL AND TURN THE LOWER SHAFT GEAR 1 UNTIL THE TEST 68368 0 COMES IN BETWEEN THE TWO WHITE LINES OF THE RADIAL TIMING GAUGE 68497 C 5 TIGHTEN HEXAGONAL SOCKET SCREWS G AND H G 26 MECHANICAL ADJUSTMENT NEEDLE CLEARANCE TO SHUTTLE TO CHECK 1 2 2 SET THE STITCH SELECTOR AT 3 REPLACE THE NEEDLE WITH THE TEST PIN 68368 A TURN THE HANDWHEEL SLOWLY BY HAND UNTIL THE NEEDLE BAR REACHES ITS LOWEST POSITION THE CLEARANCE BETWEEN THE TEST PIN A AND THE SHARP END B OF THE SHUTTLE HOOK SHOULD BE BETWEEN 0 05 0 002 AND 0 10 MM 0 004 ADJUSTMENT PROCEDURE 1 2 3 4 REMOVE THE BED SEE 7 LOOSEN THE SETSCREWS D AND E TIGHTEN THE SETSCREW C TEMPORARILY MOVE THE PLATE F IN EITHER DIRECTION AS SHOWN BY THE ARROW UNTIL THE CLEARANCE BETWEEN THE TEST PIN A AND THE SHARP END B OF THE SHUTTLE HOOK BECOMES BETWEEN 0 05 AND 0 10 MM TIGHTEN THE SETSCREWS C D AND E SECURELY B D E 27 MECHANICAL ADJUSTMENT BACKLASH LOWER SHAFT GEAR TO CHECK 1 REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER 2 TURN THE HANDWHEEL SLOWLY TOWARD YOU UNTIL THE TIP OF THE SHUTTLE HOOK A IS BETWEEN BOTH ENDS B OF THE FEED DOG 3 ROTATE THE HOOK RACE CLOCKWISE AND COUNTER CLOCKWISE BY HAND AND CHECK THE PLAY IT SHOULD BE WITHIN
16. READ WITH SHARP SCISSORS FOR EASIER NEEDLE THREADING Automatic Needle Threader 1 Lower the presser foot Depress the needle threader knob as far as it will go The hook comes out through the needle eye from behind 1 Needle threader knob Hook 2 Draw the thread down around the threader guide and under the hook 3 Threader guide 4 Hook 3 Release the threader knob slowly while holding the thread end with your hand A loop of the thread is pulled up through the needle eye 4 Remove the loop from the threader and pull out the thread end from the needle eye NOTE The automatic threader works well with the threads 450 100 and needles 11 16 the blue tipped needle as well SERVICE ACCESS FACE COVER 1 OPEN THE FACE COVER A 2 REMOVE THE SETSCREWS 3 TAKE THE FACE COVER A OFF TOP COVER 1 OPEN THE FACE COVER A 2 REMOVE THE SETSCREWS AND 3 TAKE THE TOP COVER D OFF SERVICE ACCESS BASE PLATE 1 REMOVE THE FOUR SETSCREWS A 2 REMOVE THE BASE PLATE B BED COVER 1 REMOVE THE TWO SETSCREWS D 2 REMOVE THE BED COVER EL WHEN YOU REPLACE THE BED COVER SET THE FEED DROP LEVER F IN THE LEFT POSITION SERVICE ACCESS BELT COVER BELT COVER PULL OUT THE STITCH SELECTOR LOOSEN THE SETSCREW AND REMOVE THE SETSCREW B PULL THE RIGHT SIDE OF BELT COVER IN THE DIRECTION OF THE ARROW AS ILLUSTRATED AND TAKE THE LATCH
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
18. SERVICE MANUAL SEWING MACHINE MODEL 385 16221300 JULY 2003 CONTENTS LOCATE AND IDENTIFY THE PARTS 1 WHAT DO WHEN 2 4 THREADING OF MACHINE seen 5 6 SERVICE ACCESS FACE COVER RT 7 TOP COVE us aus asawa EE 7 VG sl EE EE 8 au Sakiyu eda aaa 8 BET COVER 9 FREE ARM COVER E 9 FRONT SSES 10 READ ee 11 MECHANICAL ADJUSTMENT TOP TENSION NN 12 PRESSER BAR HEIGHT AND ALIGNMENT 14 13 NEEDLE SWING u ua u uquna 14 STRAIGHT STITCHING EEN 15 16 DISTRIBUTION OF NEEDLE SWING annua 17 18 STRETCH STITCH BALANCE sccccssseccocccetersuccosscseccnesceecetessecsucsansesvesnecenvesees 19 20 FAN 21 22 NEEDLE BAR HEIGHT La 23 24 NEEDLE TO SHUTTLE TIMING II NEE 25 26 NEEDLE CLEARANCE TO SHUTTLE naa 27 BACKLASH LOWER SHAFT GEAR 28 BUTTONHOLE STITCH BALANCE cecccccsscscessseccssecsssecvecscsesvessecssesateensecsassanees 29 30 NEEDLE POSION EE 31 32 ZERO FEEDING ea 33 34 BASIC NEEDLE POSITION 1 00 4144440 35 BUTTONHOLE FUNCTION 1 36 BUTTONHOLE FUNCTION 2 37 REPLACEMENT AND ADJ
19. TION OF D 4 TIGHTEN HEXAGONAL SOCKET SCREW A SECURELY HEXAGONAL SOCKET SCREW A INCORRECT CORRECT INCORRECT 30 MECHANICAL ADJUSTMENT NEEDLE POSITION TO CHECK 1 SET THE MACHINE AS FOLLOWS STITCH SELECTOR A STITCH WIDTH CONTROL 6 5 2 TURN THE HANDWHEEL TOWARD YOU UNTIL THE NEEDLE COMES TO THE CENTER POSITION 3 THE NEEDLE SHOULD NOT MOVE WHEN YOU TURN THE STITCH WIDTH CONTROL TO 0 WIDTH O0 1 2 3 4 5 6 5 4 SELECTED STITCH WIDTH 31 MECHANICAL ADJUSTMENT NEEDLE POSITION ADJUSTMENT PROCEDURE 1 2 REMOVE THE TOP COVER SEE P 6 TURN THE HANDWHEEL TOWARD YOU UNTIL THE NEEDLE COMES TO THE CENTER OF THE SLIT IN THE NEEDLE PLATE LOOSEN THE SETSCREWS A AND B TIGHTEN THE SETSCREW A SLIGHTLY MOVE THE PLATE C IN EITHER DIRECTION AS SHOWN BY THE ARROW UNTIL THE NEEDLE CEASES TO MOVE EVEN IF THE DIAL IS MOVED FROM MAXIMUM ZIGZAG WIDTH TO ZERO A B C 32 MECHANICAL ADJUSTMENT ZERO FEEDING TO CHECK 1 2 3 SET THE STITCH SELECTOR TO P AND THE STITCH LENGTH CONTROL 0 PLACE A PIECE OF PAPER ON THE NEEDLE PLATE CHECK IF THE PAPER MOVES FORWARD OR BACKWARD WHEN YOU TURN THE HANDWHEEL TOWARD YOU THE MACHINE SHOULD NOT FEED PIECE OF PAPER AT THIS SETTING STRETCH LENGTH 0 2 3 4 P SELECTED STITCH LENGTH CONTROL 33
20. USTMENT OF NEEDLE THREADER PLATE 38 MOTOR BELT TENSION 2 1 11 000 39 ell d 40 WIRING OF TERMINAL BLOCK 41 SPECIAL TOOLS REQUIRED 42 V1 0 LOCATE AND IDENTIFY THE PARTS Spool Pin Upper Thread Guide Bobbin Winding Spindle Take up Lever _ N Stitch Width Control LL Stitch Length Control Top Tension Control Stitch Length Setting Display Face Cover Plate Stitch Width Setting Display Thread Cutter j Si id Needle Threader d Needie Plate Reverse Stitch Control Hook Cover Plate 4 a gt s Hook Cover Plate Release Button Buttonhole Lever Buttonhole Pitch Balance Adjusting Lever Presser Foot Lever Handwheel Free Arm Stitch Selector Stretch Stitch Adjuster Drop Feed Lever Nomenciature Plate Machine Socket Snap on Button Presser Foot Needle Clamp Thumb Screw Presser Foot WHAT TO DO WHEN CONDITION CAUSE HOW TO FIX REFERENCE 1 SKIPPING NEEDLE IS NOT INSERTED INSERT THE NEEDLE PROPERLY STITCHES PROPERLY NEEDLE IS BENT OR WORN CHANGE THE NEEDLE INCORRECTLY THREADED RETHREAD NEEDLE OR THREAD ARE USE THE RECOMMENDED INAPPROPRIATE FOR SEWING NEEDLE AND THREAD FABRIC BEING SEWN SEWING ON STRETCH USE A 11 BLUE TIP NEEDLE FABRIC PRESSER FOOT PRESSURE ADJUST THE PRESSER BAR IS TOO WEAK LEVEL TO M
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