SERVICE MANUAL
Contents
1. WBW ANA WIRING OF TERMINAL BLOCK U nennen SPECIAL TOOLS REQUIRED u V1 0 SEWING MACHINE DIV 20 MODEL 385 17822490 LOCATE AND IDENTIFY THE PARTS Thread Spool Pin Bobbin Winging Spindle Upper Thread Guide Stitch Width Control c Stitch Length Control Take up Lever eet n Width Setting Window Top Thread Tension eae SAN AN Length Setting Window Face Cover 2 _ Stitch Selector 1 8 Thread Cutter Ri P IT Needle Plate B Speed Range Switch Hook Cover Plate Reverse Stitch Control Hook Cover Plate Release Bufton Extension table Accessory stor age box Carrying Handle Push Pull Clutch Presser Foot Lever Free Arm Stretch Stitch Adjuster Drop Feed Lever Light and Power Switch Plug Connector Nomenciature Plate Snap on Button eae Needle Clamp SEWING MACHINE DIV 20 CONDITION 1 SKIPPING STITCHES 2 FABRIC NOT MOVING MODEL 385 17822490 WHAT TO DO WHEN NEEDLE IS NOT INSERTED PROPERLY NEEDLE IS BENT OR WORN INCORRECTLY THREADED NEEDLE OR THREAD ARE INAPPROPRIATE FOR FABRIC BEING SEWN SEWING ON STRETCH FABRIC PRESSER FOOT PRESSURE IS TOO WEAK INAPPROPRIATE NEEDLE BAR HEIGHT INAPPROPRIATE NEEDLE TO SHUTILE TIMING INAPPROPRIATE NEEDLE TO SHUTILE CLEARA2. CHANGE THE NEEDLE REPAIR THE HOLE OR REPLACE THE NEEDLE PLATE 4 BREAKING BOBBIN THREAD INCORRECTLY THREADED BOBBIN THREAD BOBBIN CORRECTLY TOO MUCH THREAD IS AROUND ON THE BOBBIN UNT IS STUCK INSIDE THE BOBBIN HOLDER THREAD QUALITY IS TOO LOW ADJUST THE POSITION OF STOPPER CLEAN THE SHUTTLE CHANGE TO A HIGH QUALITY SEWING THREAD CLEAR OUT THE JAMMING THREAD THREAD IS JAMMING AROUND THE BOBBIN 5 NEEDLE BREAKS NEEDLE IS THE NEEDLE PLATE SEE MECHANICAL ADJUSTMENT NEEDLE POSITION CHANGE THE NEEDLE SEE MECHANICAL ADJUSTMENT NEEDLE CLEARANCE TO SHUTTLE SEE MECHANICAL ADJUSTMENT NEEDLE SWING NEEDLE IS BENT OR WORN NEEDLE IS HITTING THE SHUTTLE THE FABRIC MOVES WHILE THE NEEDLE IS PIERCING IT OR THE NEEDLE ZIGZAGS WHILE FABRIC IS BEING PULLED TOO STRONGLY WHILE SEWING GUIDE THE FABRIC GENTLY WHILE SEWING SEWING MACHINE DIV 20 MODEL 385 17822490 CONDITION CAUSE HOWTO FIX REFERENCE 27 6 NOISY BACKLASH BETWEEN SEE MECHANICAL OPERATION TOME HOOK GEAR AND ADJUSTMENT BACKLASH LOWER SHAFT GEAR IS TOO LOWER SHAFT GEAR GREAT LOWER SHAFT GEAR IS LOOSE INAPPROPRIATE BELT TENSION ELIMINATE T
3. SCREW IN DIRECTION A IF THE PAPER MOVES BACKWARD TURN ADJUSTING SCREW C IN DIRECTION B NR FORWARD BACKWARD 33 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT MOTOR BELT TENSION TO CHECK 1 IF THE MOTOR BELT TENSION IS TOO TIGHT OR TOO LOOSE MAY CAUSE BELT NOISE ALSO A TOO TIGHT BELT TENSION CAN CAUSE THE MACHINE TO RUN SLOW AND WILL OVERLOAD THE MOTOR TOO LOOSE A MOTOR BELT TENSION HOWEVER MAY CAUSE THE BELT TEETH ON THE MOTOR PULLEY TO JUMP THE CORRECT MOTOR BELT TENSION IS WHEN THE BELT PUSHES IN ABOUT 7MM 0 28 9MM 0 367 UNDER A PRESSURE OF ABOUT 300 GRAMS ADJUSTMENT PROCEDURE 1 2 3 REMOVE THE BELT COVER LOOSEN SCREWS A AND 8 MOVE THE MOTOR UP OR DOWN TO ADJUST THE DEFLECTION TO ABOUT 7MM 0 287 9MM 0 36 TIGHTEN SCREWS A AND B A 300g LOAD DEFLECTION 7 9MM 8 SEWING MACHINE DIV 20 MODEL 385 17822490 OILING FACTORY LUBRICATED PARTS WILL PROVIDE YEARS OF HOUSEHOLD SEWING WITHOUT ROUTINE BUT YOU SHOULD STILL CHECK FOR POSSIBLE LUBRICATION NEEDS WHENEVER SERVICING MACHINES OIL USE GOOD QUALITY SEWING MACHINE OIL AT THE POINTS A B C D E 8 F INDICATED BY THE BLACK ARROWS GREASE USE WHITE GREASE SUCH AS MOLYCOTE 40 AT THE POINTS G H I amp J INDICATED BY THE WHITE ARROWS pc gf hh am N h 35 SEWING MACHINE DIV 20 MODEL 385 17
4. 822490 WIRING OF TERMINAL BLOCK L LAMP P POWER SWITCH M MOTOR 36 SEWING MACHINE DIV 20 MODEL 385 17822490 SPECIAL TOOLS REQUIRED lt SLOTTED SCREW DRIVER FEED DOG HEIGHT GAUGE 58499 PHILLIPS SCREW DRIVER NEEDLE HEIGHT GAUGE 68168 ALLEN SCREW DRIVER TEST PIN 68368 RADIAL TIMING GAUGE 468497 ALLEN WRENCH RADIAL TIMING GAUGE SHEET U1369C 37
5. DIAL 5 2 TURN THE HAND WHEEL TOWARD YOU UNTIL THE NEEDLE COMES CENTER POSITION 3 THE NEEDLE SHOULD NOT MOVE WHEN YOU TURN THE STITCH WIDTH DIAL TO WIDTH 9 6 SELECTED PATTERN STITCH WIDTH DIAL 30 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT NEEDLE POSITION ADJUSTMENT PROCEDURE 1 REMOVE THE TOP COVER 2 TURN THE HAND WHEEL TOWARD YOU UNTIL THE NEEDLE COMES TO THE CENTER OF THE SLIT IN THE NEEDLE PLATE 3 LOOSEN SCREWS A AND 8 TIGHTEN SCREW A SLIGHTLY 5 MOVE THE PLATE C TO EITHER DIRECTION AS SHOWN BY THE ARROW UNTIL THE NEEDLE CEASES MOVEMENT EVEN IF THE DIAL IS MOVED FROM MAXIMUM ZIGZAG WIDTH TO ZERO gt B 77 K AS SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT ZERO FEEDING TO CHECK 1 2 3 SET STITCH SELECTOR AND THE STITCH LENGTH DIAL TO PLACE A PIECE OF PAPER ON THE NEEDLE PLATE CHECK IF THE PAPER MOVES FORWARD OR BACKWARD WHEN YOU TURN THE HAND WHEEL TOWARD YOU THE MACHINE SHOULD NOT FEED A PIECE OF PAPER AT THIS SETTING LENGTH SELECTED PATTERN STITCH LENGTH DIAL 32 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT ZERO FEEDING ADJUSTMENT PROCEDURE 1 REMOVE THE TOP COVER 2 SET THE STITCH SELECTOR AND THE STITCH LENGTH DIATL AT O 3 PLACE A PIECE OF PAPER ON THE NEEDLE PLATE 4 IF THE PAPER MOVES FORWARD TURN ADJUSTING
6. HANICAL ADJUSTMENT NEEDLE CLEARANCE SHUTTLE TO CHECK 1 2 2 SET THE STITCH SELECTOR AT REPLACE THE NEEDLE WITH THE TEST PIN 58368 A TURN THE HAND WHEEL 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 AND 0 10 MM ADJUSTMENT PROCEDURE 1 2 3 4 0 05 0 1MM 2 REMOVE THE BED COVER LOOSEN SCREWS D AND E TIGHTEN SCREW TEMPORARILY MOVE PLATE F TO 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 0 05 AND 0 10 TIGHTEN SCREWS D AND E SECURELY A 26 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT BACKLASH LOWER SHAFT GEAR TO CHECK 1 2 REMOVE THE NEEDLE PLATE AND BOBBIN TURN THE HAND WHEEL SLOWLY TOWARD YOU UNTIL THE TIP OF THE SHUTTLE HOOK A IS BETWEEN BOTH ENDS B OF THE FEED DOG ROTATE THE HOOK RACE CLOCKWISE AND COUNTER CLOCKWISE BY HAND AND CHECK THE PLAY ITSHOULD BE WITHIN 0 8 MM IF THERE 15 MORE THAN 0 8 MM BACKLASH BETWEEN THE GEARS ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 2 REMOVE THE BED COVER AND LOOSEN SET SCREW TURN THE LOWER SHAFT BUSHING ECCENTRIC BUSHING D IN DIRECTION E WHEN THE PLAY AT THE SHUTTLE HOOK TIP IS TOO SMALL
7. HE LOOSENESS SEE MECHANICAL ADJUSTMENT MOTOR BELT TENSION OIL ALL MOVING PARTS ELIMINATE THE LOOSENESS NOT ENOUGH OIL UPPER SHAFT IS LOOSE INAPPROPRIATE FEED BALANCE SEE MECHANICAL ADJUSTMENT STRETCH STITCH BALANCE SEE MECHANICAL ADJUSTMENT NEEDLE SWING INAPPROPRIATE ZIGZAG SYNCHRONIZATION UPPER THREAD TENSION IS TOO STRONG SEE MECHANICAL ADJUSTMENT TOP TENSION 8 IMPROPER BUITONHOLE STITCH BALANCE IS NOT CORRECT SEE MECHANICAL ADJUSTMENT BUTTONHOLE STITCH BALANCE SEWING MACHINE DIV 20 MODEL 385 17822490 THREADING OF MACHINE THE NUMBERED STEPS BELOW FOLLOW THE NUMBERS ON THE ILLUSTRATIONS DOTTED LINES SHOW PLACES WHERE LOOPS AND THEN IS PULLED TIGHT RAISE THE TAKE UP LEVER TO ITS HIGHEST POSITION BY TURNING THE HAND WHEEL TOWARD YOU RAISE THE PRESSER FOOT LEVER PLACE SPOOL ON PIN WITH THREAD COMING FROM THE BACK OF THE SPOOL 1 DRAW THREAD THROUGH THE THREAD GUIDE 2 HOLDING THREAD WITH RIGHT HAND DRAW THREAD DOWN INTO THE TENSION AREA AND THEN AROUND THE CHECK SPRING HOLDER 3 FIRMLY DRAW THREAD UP AND THROUGH THE TAKE UP LEVER FROM RIGHT TO LEFT 4 PULL THE THREAD TO THE LEFT AND SLIP IT INTO THE NEEDLE BAR THREAD GUIDE 5 HTREAD NEEDLE FROM FRONT TO BACK NOTE YOU MAY WANT TO CUT THE END OF THREAD WITH SHARP SCISSORS FOR EASIER NEEDLE THREADING
8. ING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT STRETCH STITCH BALANCE ADJUSTMENT PROCEDURE 1 REMOVE THE CAP P 2 IF THE REVERSE STITCH LENGTH B IS SHORTER THAN THE FORWARD STITCH LENGTH A TURN THE ADJUSTING SCREW IN THE DIRECTION OF IF THE REVERSE STITCH LENGTH B IS LONGER THAN THE FORWARD STITCH LENGTH A TURN THE ADJUSTING SCREW E IN THE DIRECTION OF D 19 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT FEED DOG HEIGHT TO CHECK 1 SET THE STITCH LENGTH DIAL AT 4 AND RAISE THE NEEDLE TO ITS HIGHEST POSITION 2 RAISE THE PRESSER FOOT AND PLACE THE FEED DOG HEIGHT GAUGE 68499 ON THE NEEDLE PLATE 3 TURN THE HAND WHEEL AND CHECK THE FEED DOG HEIGHT 4 THE FEED DOG HEIGHT SHOULD BE AS PER CHART 1 CHART 1 GAUGE FEED DOG HEIGHT FACE A FACE B 0 95MM 0 75MM NOT MOVING MOVING CORRECT MOVING MOVING HIGH LE NN TITCH LENGTH DIAL SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT FEED DOG HEIGHT ADJUSTMENT PROCEDURE 1 REMOVE THE BED COVER 2 LOOSEN THE NUT A AND THE SCREW 3 TURN THE ADJUSTING SCREW C IN THE DIRECTION OF D WHEN THE FEED DOG HEIGHT IS LOW 4 TIGHTEN THE NUT A AND THE SCREW SECURELY A 21 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT NEEDLE BAR HEIGHT MACHINE SETTING f 1 SET THE STITCH SELEC
9. JUST SO THAT LATERAL NEEDLE SWING STARTS FROM A POSITION 2 TO 3MM ABOVE THE NEEDLE PLATE IN RIGHT OUTFLOW TIGHTEN THE TWO HEX HEAD SET SCREWS ON THE UPPER SHAFT WORM GEAR ATTACH THE TOP COVER UNIT NOTE FOR REMOVAL AND REPLACEMENT OF THE TOP COVER UNIT SEE PAGE 6 AFTER ADJUSTMENT OF THE TIMING OF LATERAL NEEDLE SWING MAKE SURE THAT THERE IS NO BACKLASH BETWEEN THE UPPER SHAFT WORM GEAR AND THE OTHER GEAR AND THAT SMOOTH ROTATION IS OBTAINED UPPER SHAFT WORM GEAR If the upper shaft worm gear deviates laterally when tuming fhe upper shaft the backlash between the gears will change 4 2 3MM Right outflow start position 13 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT STRAIGHT STITCHING TO CHECK 1 SET THE STITCH WIDTH DIAL AT O AND THE STITCH SELECTOR ATVVV 2 TURN THE HAND WHEEL BY HAND 3 THE NEEDLE SHOULD NOT SWING SIDE TO SIDE AT THIS SETTING 3 WIDTH 1 SELECTED PATTERN STITCH WIDTH DIAL 14 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT STRAIGHT STITCHING ADJUSTMENT PROCEDURE 1 REMOVE THE TOP COVER 2 LOOSEN SCREW A 3 MOVE THE ZIGZAG WIDTH ROD UNTIL THE NEEDLE CEASES ITS ZIGZAG MOVEMENT WHEN YOU TURN THE HAND WHEEL TOWARD YOU 4 TIGHTEN SCREW A SECURELY 0 8 15 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT DISTRIBUTION OF NEEDLE SWING TO CHECK 9 gt S SE
10. NCE PRESSER FOOT PRESSURE IS TOO WEAK INCORRECT F D HEIGHT F D IS IN DOWN POSITION THREAD ON BOTTOM SIDE OF FABRIC 15 JAMMED UP FEED DOG TEETH ARE WORN HOW TO FIX REFERENCE INSERT THE NEEDLE PROPERLY CHANGE THE NEEDLE RETHREAD USE THE RECOMMENDED SEWING NEEDLE AND THREAD USE A 11 BLUE TIP NEEDLE ADJUST THE PRESSER BAR LEVEL TO MAKE THE PRESSURE STRONGER SEE MECHANICAL ADJUSTMENT NEEDLE BAR HEIGHT SEE MECHANICAL ADJUSTMENT NEEDLE TO SHUTTLE TIMING SEE MECHANICAL ADJUSTMENT NEEDLE CLEARANCE TO SHUTTLE ADJUST THE PRESSER BAR LEVEL TO MAKE THE PRESSURE STRONGER SEE MECHANICAL ADJUSTMENT FEED DOG HEIGHT RAISE THE F D LEVEL MAKE SURE TO BRING BOTH NEEDLE AND BOBBIN THREAD UNDER THE FOOT WHEN STARTING SEWING CHANGE THE FEED DOG SEWING MACHINE DIV 20 MODEL 385 17822490 CONDITION CAUSE 3 BREAKING UPPER THREAD HOW TO FIX REFERENCE INITIAL SEWING SPEED IS TOO FASI THREAD PATH IS INCORRECT NEEDLE IS BENT OR DULL UPPER THREAD TENSION IS TOO STRONG NEEDLE SIZE IS INAPPROPRIATE FOR FABRIC NEEDLE EYE IS WORN NEEDLE HOLE IN NEEDLE PLATE IS WORN OR BURRED START WITH MEDIUM SPEED USE THE PROPER THREAD PATH REPLACE WITH A NEW NEEDLE ADJUST UPPER THREAD TENSION CORRECTLY USE APPROPRIATE NEEDLE FOR FABRIC AND THREAD AND THREAD IN USE
11. PART OF THE THREAD GUIDE J TO REPLACE FOLLOW THIS PROCEDURE IN REVERSE 9 SEWING MACHINE DIV 20 MODEL 385 17822490 SERVICE ACCESS REAR PANEL UNIT TWIST AND REMOVE THE ARM COVER PART FROM THE PRESSER BAR LIFTER LEVER REAR PANEL UNIT REMOVAL OPEN THE FACE PANEL REMOVE THE TOP COVER UNIT THE BELT COVER AND THE BED COVER UNIT REMOVE SET SCREWS AND LOOSEN SET SCREWS 0 RAISE THE PRESSER FOOT LEVER AND PULL AWAY THE ARM COVER FROM THE FREE ARM TWIST AND REMOVE THE ARM COVER PART LIFTER FROM THE PRESSER BAR LIFTER LEVER Bop NE REPLACEMENT 5 FIRST PUT THE WINDOW ON THE PLASTIC PANEL OVER THE PRESSER BAR LIFTER LEVER THEN REPLACE THE 6 SCREWS 10 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT TOP TENSION TO CHECK 1 2 SET THE TENSION DIAL AT 3 AND RAISE THE PRESSER FOOT PASS THE THREAD A BETWEEN THE DISCS 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 TOP TENSION SHOULD BE 65 95g WHEN PULLING THE THREAD A UP IN THE DIRECTION B USE SOFT COTTON THREAD 50 IF IT IS NOT WITHIN THE ABOVE LIMITS ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE le 2 3 REMOVE FRONT COVER UNIT SEE PAGE 9 PULL SPRING C AWAY FROM THE LEAD SCREW D IF THE TOP TENSION IS TOO LOOSE TURN THE LEAD SCREW D IN THE DIRECTION E IF THE
12. RT THE RADIAL TIMING GAUGE 68497 C SO THAT THE SMALL FINGER ON THE GAUGE FITS INTO THE SLOT NEAR THE TIP OF THE HOOK a PUT THE TEST PIN 468368 D IN THE NEEDLE HOLDER PUSH UP IT UNTIL IT STOPS TIGHTEN THE SCREW TO CHECK 1 TURN THE HANDWHEEL TOWARD YOU UNTIL THE TIP OF TEST PIN 68368 D SLIGHTLY TOUCHES THE RADIAL TIMING GAUGE 68497 THE OF TEST PIN 68368 0 SHOULD BE BETWEEN THE TWO ORANGE LINES OF THE RADIAL TIMING GAUGE 68497 C IF THE TEST PIN DOES NOT FALL BETWEEN THE TWO ORANGE LINES ON THE RADIAL TIMING GAUGE ADJUST AS FOLLOWS 24 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT NEEDLE TO SHUTTLE TIMING ADJUST PROCEDURE gt N REMOVE TEST 468368 FROM THE NEEDLE CLAMP REMOVE THE TOP COvER REMOVE THE SCREW G AND TAKE THE BOBBIN WINDER UNIT H OFF LOOSEN 2 SCREWS 1 AND J INSERT TEST PIN 68368 INTO THE NEEDLE CLAMP TURN HANDWHEEL TOWARD YOU UNTIL THE TIP OF THE TEST PIN 68368 0 SLIGHTLY TOUCHES THE RADIAL TIMING GAUGE 68497 HOLD THE UPPER SHAFT TO PREVENT 15 TURNING AND TURN THE TIMING GEAR L BACKWARD OR FORWARD UNTIL THE TEST PIN 68368 D COMES IN BETWEEN THE TWO ORANGE LINES OF GAUGE 68497 8 TIGHTEN SET SCREWS 1 AND 9 SECURELY PUT THE BOBBIN WINDER UNIT H BACK AND ADJUST THE MICRO SWITCH BOBBIN WINDING 25 SEWING MACHINE DIV 20 MODEL 385 17822490 MEC
13. SERVICE MANUAL SEWING MACHINE MODEI 385 17126690 17112 9 NOVEMBER 1996 SERVICE ACCESS AND ADJUSTMENT IS THE SAME AS MODEL 385 17822490 SERVICE MANUAL SEWING MACHINE MODEL 385 17822490 JULY 1994 5 LOCATE AND IDENTIFY THE 5 2 2 2 222 2 244 WHAT TO DO THREADING OF MACHINE u eene nennen SERVICE ACCESS F CE COVER Rad TOP COVE A Ava lead BOTTOM BASE PLATE en BED COVER ne BEITCOVER cade nak R ne ERONTC VER an cd te iiti einen REAR PANEL MECHANICAL ADJUSTMENT TOP TENSION Haar PRESSER BAR HEIGHT AND NEEDLE SWING REY STRAIGHT STITCHING 14 DISTRIBUTION OF NEEDLE SWING STRETCH STITCH BALANCE Jul NEEDLE TO SHUTTLE TIMING ua an NEEDLE BACKLASH LOWER SHAFT BUTTONHOLE STITCH BALANCE I aasan NEEDLE POSTMON een Zu UL ur ZERO FEEDING ke MOTOR
14. SEWING MACHINE DIV 20 MODEL 385 17822490 SERVICE ACCESS FACE COVER 1 OPEN THE FACE COVER A 2 REMOVE THE SCREWS 8 3 TAKE THE FACE COVER OFF TOP COVER 1 OPEN THE FACE COVER 2 REMOVE SCREWS B AND C 3 TAKE THE TOP COVER D OFF WHEN YOU REPLACE THE TOP COVER SET THE PROJECTION E INTO THE GROOVE F OF THE FRONT COVER SEWING MACHINE DIV 20 MODEL 385 17822490 SERVICE ACCESS BOTTOM BASE PLATE 1 REMOVE 4 SCREWS 2 REMOVE THE BASE PLATE B BED COVER 1 REMOVE 2 SCREWS D 2 REMOVE THE BED COVER WHEN YOU REPLACE THE BED COVER SET THE DROP LEVER F IN THE LEFT POSITION SEWING MACHINE DIV 20 MODEL 385 17822490 SERVICE ACCESS BELT COVER BELT COVER TO REMOVE 1 PULL THE SELECTOR DIAL A OFF 2 LOOSEN SCREW 8 AND REMOVE SCREW THEN REMOVE THE BELT COVER IN THE DIRECTION OF ARROW AS ILLUSTRATED TO ATTACH 3 THE PROCEDURE IS THE REVERSE OF REMOVAL MAKE SURE THE PROJECTION OF THE BELT COVER GOES IN THE GROOVE OF THE FRONT COVER SEWING MACHINE DIV 20 MODEL 385 17822490 SERVICE ACCESS FRONT COVER MODEL 18830 ONLY OPEN THE FACE COVER REMOVE THE TOP COVER THE BELT COVER AND THE BED COVER REMOVE SCREW AND LOOSEN SCREWS E F G THEN REMOVE THE FRONT COVER BON ADJUSTMENT PROCEDURE 1 PULL THE FRONT COVER OFF THE LATCH 1 OF THE REAR COVER 2 REMOVE THE LOWER
15. T THE STITCH WIDTH DIAL TO O AND THE STITCH SELECTOR RAISE THE NEEDLE TO ITS HIGHEST POSITION PLACE THE DARNING PLATE ON THE NEEDLE PLATE PLACE A PIECE OF PAPER ON THE DARNING PLATE AND LOWER THE PRESSER FOOT LOWER THE NEEDLE TO MARK NEEDLE POINT A ON A PIECE OF PAPER BY TURNING HAND WHEEL RAISE THE NEEDLE TO ITS HIGHEST POSITION TURN THE STITCH WIDTH DIAL TO 5 LOWER THE NEEDLE TO MARK NEEDLE POINTS B AND C ON THE PIECE OF PAPER BY TURNING THE HAND WHEEL THE DISTANCE BETWEEN A B AND A C SHOULD BE EQUAL 3 WIDTH SELECTED PATTERN STITCH WIDTH DIAL SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT DISTRIBUTION OF NEEDLE SWING ADJUSTMENT PROCEDURE 1 OPEN THE FACE COVER AND LOOSEN SET SCREW D 2 MOVE THE NEEDLE BAR SUPPORTER E EITHER DIRECTION UNTIL THE DISTANCES A TO B AND ATO C BECOME EQUAL 3 TIGHTEN SET SCREW D SECURELY 17 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT STRETCH STITCH BALANCE TO CHECK 1 SET THE STITCH SELECTOR STITCH LENGTH DIAL AT STRETCH STITCH AND STRETCH STITCH ADJUSTER AT P gt 2 PLACE A PIECE OF PAPER ON THE NEEDLE PLATE AND LOWER THE PRESSER FOOT TURN THE HAND WHEEL TO MARK NEEDLE POINTS ON THE PAPER 4 THE NEEDLE SHOULD PENETRATE THE SAME HOLES IN FORWARD AND REVERSE DIRECTION WHILE TURNING THE HAND WHEEL TOWARDS YOU w SELECTED PATTERN STITCH LENGTH DIAL 18 SEW
16. TENSION IS TOO TIGHT TURN THE LEAD SCREW IN THE DIRECTION F THREAD TENSION DIAL 3 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT PRESSER BAR HEIGHT AND ALIGNMENT TO CHECK 1 RAISE THE PRESSER FOOT LEVER B 2 THE DISTANCE BETWEEN THE ZIGZAG FOOT A AND THE NEEDLE PLATE C SHOULD BE 6 0 MM 0 247 IF THIS IS NOT THE CASE ADJUST AS FOLLOWS ADJUSTMENT PROCEDURE 1 OPEN THE FACE COVER 2 RAISE THE PRESSER FOOT LEVER AND LOOSEN SCREW ON PRESSER BAR HOLDER E 3 ADJUST THE DISTANCE BETWEEN THE ZIGZAG FOOT A AND THE NEEDLE PLATE TO 6 0 MM 0 24 4 TIGHTEN THE SCREW D SECURELY NOTE WHEN YOU TIGHTEN THE SCREW MAKE SURE THAT BOTH SIDES OF THE ZIGZAG FOOT A RUNS PARALLEL WITH THE FEED DOG F FEED DOG 5115 a SHOULD BE PARALLEL nn FEED DOG SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT NEEDLE SWING TO CHECK IF THE NEEDLE BAR MOVES SIDEWISE WHILE THE NEEDLE 15 IN THE FABRIC IN ZIGZAG STITCHING ADJUST IN AS FOLLOWS THE NEEDLE SHOULD START SWINGING WHEN 2 TO 3MM ABOVE THE NEEDLE PLATE ADJUSTMENT PROCEDURE 1 REMOVE THE TOP COVER UNIT SET THE PATTERN SELECTOR DIAL AND SELECT THE MAXIMUM ZIGZAG WIDTH LOOSEN THE TWO HEX HEAD SET SCREWS ON THE UPPER SHAFT WORM GEAR WHILE HOLDING THE UPPER SHAFT WORM GEAR IN PLACE CAREFULLY TURN THE BALANCE WHEEL AND AD
17. TOR AT i ZIG ZAG WIDTH ATO TO CHECK 1 TURN THE HANDWHEEL TOWARD YOU UNTIL THE NEEDLE BAR F REACHES ITS LOWEST POSITION IF FINGER G COMES DOWN ON TOP OF PIN OR IF PIN D TOUCHES THE SURFACE OF GAUGE K TOO FORCEFULLY ADJUST AS PER THE INSTRUCTIONS ON THE NEXT PAGE 2 THE FACE G SHOULD HIT THE SIDE OF PIN H AND THE END OF PIN 1 SHOULD TOUCH THE GAUGE FACE K WHEN THE NEEDLE BAR REACHES ITS LOWEST POSITION ADJUSTMENT PROCEDURE 1 REMOVE THE NEEDLE PRESSER FOOT NEEDLE PLATE A AND BOBBIN HOLDER 2 INSERT THE RADIAL TIMING GAUGE 68497 ONTO THE HOOK 3 ATTACH THE NEEDLE BAR HEIGHT GAUGE 58168 D gt 1 D PUSH IT UP UNTIL IT STOPS E G 0 4 TIGHTEN THE SCREW E SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT NEEDLE BAR HEIGHT ADJUSTMENT PROCEDURE 1 2 3 OPEN THE FACE COVER LOOSEN THE SCREW ON THE NEEDLE BAR HOLDER L MOVE THE NEEDLE BAR UP OR DOWN TO ADJUST THE POSITION OF THE NEEDLE BAR SO THAT THE FACE G HITS THE SIDE OF PIN H AND THE END OF PIN 1 TOUCHES THE GAUGE FACE K TIGHTEN THE SCREW M SECURELY 23 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT NEEDLE TO SHUTTLE TIMING 1 SET THE STITCH SELECTOR AT ZIGZAG WIDTH ATO ADJUSTMENT PROCEDURE 1 2 4 REMOVE THE NEEDLE PRESSER FOOT NEEDLE PLATE AND HOLDER INSE
18. TURN THE LOWER SHAFT BUSHING ECCENTRIC BUSHING D IN DIRECTION F WHEN THE PLAY AT THE SHUTTLE HOOK TIP IS TOO LARGE TIGHTEN SET SCREW C SECURELY AFTER ADJUSTMENT LOWER SHAFT GEAR D GROOVE OF LOWER SHAFT BUSHING m E 27 MECHANICAL ADJUSTMENT BUTTONHOLE STITCH BALANCE TO CHECK 1 SET THE MACHINE AS FOLLOWS STITCH SELECTOR B 8 9 8 STITCH LENGTH DIAL BLUE ZONE STITCH WIDTH DIAL 5 2 ATTACH THE SLIDING BUTTONHOLE 3 SEW BUTTONHOLE AND CHECK THE STITCH BALANCE BETWEEN THE RIGHT SIDE AND LEFT SIDE OF BUTTONHOLE 4 THE CORRECT BUTTONHOLE STITCH BALANCE IS WHEN THERE 15 THE SAME COARSE ON THE RIGHT AND LEFT SIDES OF BUTTONHOLE LENGTH WIDTH STITCH LENGTH DIAL STITCH WIDTH DIAL SELECTED PATTERN 28 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT BUTTONHOLE STITCH BALANCE ADJUSTMENT PROCEDURE 1 REMOVE THE CAP 2 LOOSEN SET SCREW A 3 IF THE RIGHT SIDE OF THE BUITONHOLE IS TOO SPARSE TURN THE RING B IN THE DIRECTION OF IF THE LEFT SIDE OF THE BUTTONHOLE IS TOO SPARSE TURN THE RING B IN THE DIRECTION OF 4 TIGHTEN SET SCREW A SECURELY 1 HEX HEAD SET SCREW 2 0MM CAP INCORRECT CORRECT INCORRECT A B 29 SEWING MACHINE DIV 20 MODEL 385 17822490 MECHANICAL ADJUSTMENT NEEDLE POSITION TO CHECK 1 SET THE MACHINE AS FOLLOWS STITCH SELECTOR AAA STITCH LENGTH
Download Pdf Manuals
Related Search