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JUKI HZL-35Z, Руководство по обслуживанию

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SECTION
      PAGE

2 - 13
1

( 1 )

2 - 13   Balance of Stitch Length- Stretch Stitching

Checking:

1. Set stitch width control at the maximum position and stitch selector at zigzag

stitch.

2. Set for "stretch stitching (

)" by turning stitch length control.

3. Sew on a piece of paper and check needle holes on it.

4. Check to see if needle pierces on a same spot three times.

Adjustment:

1. Remove rubber cap of hole beside stitch selector.

2. Insert screw driver through the hole and turn screw (1) in either direction to

correct the condition.

Содержание HZL-35Z

Страница 1: ...SEWING MACHINE HZL 35Z SERVICE MANUAL ...

Страница 2: ...6 1 DISASSEMBLING OF OUTER PARTS 1 Face cover Disassembling 1 Remove screw 1 and take out face cover 2 Re assembling 1 Insert juts 5 6 of face cover 2 into holes 3 4 of arm 2 Fix screw 1 fitting face cover profile to arm profile ...

Страница 3: ...SECTION PAGE 1 2 1 2 2 Spool Pin Stand Disassembling 1 Remove screw 1 and take out spool pin stand 2 Re assembling should be done in the reverse way ...

Страница 4: ...isassembling 1 Remove each screw 1 and take out terminal cover 2 Note that cord is connected inside of the cover Re assembling should be done in the reverse way While re assembling any cord and timing belt should not be connected each other ...

Страница 5: ...SECTION PAGE 1 4 1 2 4 Base Cover 1 Lay machine on its back 2 Remove 4 screws 1 and take out base cover 2 Re assembling should be done in the reverse way ...

Страница 6: ...E 1 5 3 2 1 5 Bottom Cover 1 Lay machine on its back 2 Remove screw 1 and take out base cover 2 Re assembling should be done in the reverse way Feed dog control 3 should be set at up position before re assembling ...

Страница 7: ... 2 Turn hand wheel toward you until needle comes to its highest point 3 Lay machine on its back 4 Remove bottom cover from free arm See page 5 5 Remove 2 screws 1 and 2 washers 2 6 After lifting up bed cover 6 toward direction A take it out toward direction B NOTE Lift presser foot lever to its highest position for easy removal ...

Страница 8: ... Front Cover 1 Remove face cover and base cover see page 1 and 5 2 Remove stitch length dial 1 3 Loosen screws 5 and 6 and remove screws 7 and 8 4 Remove front cover 9 from face cover side as stitch length dial shaft is sticking out ...

Страница 9: ...Re assembling should be done in the reverse way 1 Remove face cover spool pin stand and base cover See page 1 2 5 2 Remove 7 plus screws 1 and minus screws 2 3 Remove screw 3 and turn presser foot lever 4 toward face cover 4 Remove back cover 5 ...

Страница 10: ...Feed Dog Height 2 8 Space Between Feed dog and Hole of Needle Plate 2 9 Feed Dog Timing Vertical Movement 2 9 Feed Dog Timing Lateral Movement 2 10 2 11 2 12 Buttonhole Sewing 0 Feeding B 2 13 Balance of Stitch Length Stretch Stitching 2 14 Presser Fot Height 2 15 Needle Height 2 16 Needle Clearance to Shuttle 2 17 Needle Timing to Shuttle 2 18 Adjustment of Stitch Selector 2 19 Belt T ension 2 20...

Страница 11: ...stment NOTE Unplug the machine from electrical outlet before adjustment 1 Remove face cover 2 Loosen screw 1 and shift needle bar limiter 2 in either direction for adjustment NOTE Needle will be broken if needle is outside of left end of needle hole NOTE Selector dial can not be turned smoothly if there is clearance over 0 3mm between left end of needle hole and needle ...

Страница 12: ...e for straight stitching at center needle position 3 Turning hand wheel by hand lower the needle and check if needle point comes to the center of needle plate hole Adjustment 1 Remove face cover 2 Loosen screw 1 3 Turning eccentric pin 2 adjust needle position 4 Tighten screw 1 after adjustment Straight stitching ...

Страница 13: ...edle position at straight stitching Checking 1 Remove presser foot 2 Set stitch width control at the maximum position and stitch selector at zigzag stitch 3 Turn hand wheel by hand and see if needle leaves the same clearance at both right and left end of needle plate hole Fig 1 Fig 1 Fig 1 Adjustment 1 Remove back cover 2 Turn screw 1 in either direction to correct the condition ...

Страница 14: ...e maximum and stitch selector at zigzag 2 Check to see if zigzag width a is more than 6mm Adjustment 1 Set width control lever at the maximum 2 Insert screw driver through hole A and turn screw 1 in either direction to correct the condition 3 If screw 1 is turned anti clockwise set width control lever at the maximum and stitch selector at zigzag and recheck to see if width is correct Note Recheck ...

Страница 15: ...uld move to left in the range of less then 0 3 mm when needle point goes through needle plate 4 Following marked illustrations indicate wrong situation Too late Too early Adjustment 1 Remove spool pin stand 2 Insert screw driver from back side Loosen one of 2 screws 2 on worm gear 1 Another one should be tightened temporarily 3 Holding worm gear 1 turn hand wheel and adjust the angle of worm gear ...

Страница 16: ...ft lowest position 4 Turn selector dial towards you anti clockwise and set it between zigzag stitching and blind stitching 5 Check if needle point shifts a little from above 3 position to left Adjustment 1 2 Adjust by turning screw 3 Needle shift is zero or too little Æ Turn screw clockwise Needle shift is too much Æ Turn it anti clockwise Remove two screws on terminal cover shift amount ...

Страница 17: ... Check to see if feed dog height A is 0 89 1 09 mm above needle plate Adjustment 1 Set stitch length control at 0 2 Turn hand wheel by hand until feed dog comes to its highest point 3 Insert wrench through hole on bed cover and turn screw 1 in either direction to adjust feed dog height Feed dog is too low Æ Turn screw clockwise Feed dog is too high Æ Turn it anti clockwise 4 When you turn it anti ...

Страница 18: ... touch with to needle plate 3 Confirm feed dog is parallel to needle plate hole 4 Check to see if clearance a is about 1 0 mm when feed dog shifts to the front end by turning hand wheel Adjustment 1 Remove face cover and needle plate 2 Loosen screw 1 of feed dog and adjust the position 3 Tighten screw 1 firmly after adjustment a a a a a 1 1 1 1 1 ...

Страница 19: ... Check to see if needle point is 2 mm below needle plate when feed dog is on a same level of needle plate NOTE Be sure to check Lateral movement in the next page and Needle timing to shuttle section 2 17 after adjustment Adjustment 1 Remove base cover 2 Loosen screws 2 on timing pulley 1 3 Keeping lower shaft 3 at the same position adjust feed dog timing by turn ing timing pulley 1 4 Tighten screw...

Страница 20: ...activate feed regulating arm 3 Turning hand wheel bring up needle bar to its highest dead point A Check if total lateral movement B of feed dog during the period from Step 2 to Step 3 above is within the range of 0 3 0 6 mm Adjustment 1 Remove base cover 2 Loosen screws 2 on timing pulley 1 3 Holding hand wheel turn feed rocking cam 1 and adjust the angle of the cam to lower shaft 4 Tighten set sc...

Страница 21: ... Insert hex screw driver through the hole and adjust screw inside of the ma chine ADJUSTING STITCH BALANCE Stitch length differences in forward and re verse stitches of the buttonhole are equalized with the buttonhole stitch adjuster If the reverse stitches are too close together turn the adjuster slightly clockwise using a coin as illustrated if they are too far apart turn anti clockwise If rever...

Страница 22: ... zigzag stitch 2 Set for stretch stitching by turning stitch length control 3 Sew on a piece of paper and check needle holes on it 4 Check to see if needle pierces on a same spot three times Adjustment 1 Remove rubber cap of hole beside stitch selector 2 Insert screw driver through the hole and turn screw 1 in either direction to correct the condition ...

Страница 23: ...earance A between needle plate and presser foot is 5 5 6 0 mm Adjustment 1 Remove face cover If access to adjustment point is difficult remove screw 1 and lamp holder 2 Loosen screw 3 of presser bar clamp 2 and adjust the height by vertically sliding presser bar 4 3 Tighten screw 3 securely after adjustment keeping alignment of the foot against feed dog ...

Страница 24: ... machine for straight stitch at center needle position 3 Check to see if the distance between needle point and needle plate surface is about 15 1 15 7 mm Adjustment 1 Remove face plate 2 Loosen screw 2 of needle bar clamp 1 3 Vertically sliding needle bar correct the needle height 4 Tighten screw 2 securely checking nedle hole direction after adjustment 2 2 1 ...

Страница 25: ...rning hand wheel until needle is moved to left side and shuttle point to the rear of needle hole 5 Check if needle clearance to shuttle point b is 0 to 0 1 mm Adjustment 1 Remove face cover 2 Adjust by turning adjust screw 1 in either direction To increase clearance Æ Turn adjust screw 1 clockwise To decrease clearance Æ Turn adjust screw 1 anti clockwise b b b b b ...

Страница 26: ... 2 3 Turn lower shaft gear 1 in either direction to correct the condition 4 After the adjustment tighten 2 screws 2 firmly Checking 1 Remove bobbin case and needle plate 2 Set stitch width control at the maximum and stitch selector at zigzag stitch 3 Turning hand wheel bring up needle from its left hand lowest point until shuttle hook point comes to align with right side of needle Check if clearan...

Страница 27: ...ector Adjustment for slight deviation 1 Remove front cover 2 Loosen screw 2 for pointer 1 and adjust the position 3 Tighten screw 2 securely after adjustment Adjustment for large deviation 1 Remove front cover 2 Loosen 2 screws 1 on gear 1 3 Insert screw driver and turn stitch selector in either direction to adjust the position while holding gear 1 in position 3 Tighten 2 screws 2 after adjustment...

Страница 28: ...e Belt is bent about 7mm when it is pushed by pressure of 200g between upper shaft and motor If tension is too tight machine may not stop smoothly If tension is too loose safety stop function belt slippage may not work Adjustment 1 Remove front cover 2 Loosen two screws 1 Adjust belt tension by moving motor and tighten screws 1 Pressure 120 V 1 230 V ...

Страница 29: ...nto stopper pin 8 tighten stopper screw 5 Make sure to align the screw 5 with the screw 7 on needle bar clamp 6 Checking 1 Check and see if 14 needle is used and it is not bent 2 Set machine for Straight Stitch at center needle position 3 Raise the needle to its highest position by rotating the hand wheel towards you 4 Lowering needle hole threader lever check and see if hook 1 inserts into needle...

Страница 30: ...k pin 3 Exchange of needle hole threader lever 1 Remove presser foot 2 Raise needle to its highest position 3 Push needle hole threader lever down by pliers or forked driver as illustrated 4 Remove needle hole threader lever 3 ...

Страница 31: ...k if the thread is wound evenly 2 Winding volume Adjustment 1 Loosen screw 1 and adjust the bobbin winder stopper 2 The best volume of winding is 80 at maximum Adjustment 1 Insert box driver hexagonal box driver etc into the bobbin winder shaft and bend it In case of a Æ Bend to right side In case of c Æ Bend to left side ...

Страница 32: ...ole lever 3 in either direction A or B Changeover timing is too early Æ Move lever 3 toward direction A Sewing forward is not completed Æ Move lever 3 toward direction B 4 After the adjustment tighten screw 2 firmly NOTE This adjustment is only for model with one step buttonholing system Checking 1 Check to See if there is no trouble in changing direction from backward to forward and vice versa wh...

Страница 33: ...4793 2 23 Rubber Foot Height Checking 1 Put the machine on the flat table 2 Check the balance of the machine Adjustment Insert the driver into the hole 1 and adjust by turning it Use screw driver P 74793 included in the accessories ...

Страница 34: ...ht 2006 JUKI CORPORATlON All right reserved throughout the world 40054741 2006 08 8 2 1 KOKURYO CHO CHOFU SHI TOKYO 182 8655 JAPAN PHONE 03 3480 5034 FAX 03 3480 5037 http www juki co jp E mail hsm juki co jp ...

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