JUKI HZL-K85 User manual

SERVICE MANUAL Date:
2011/09/23
Page:
1/39
Model:
K65&K85
Original issued: Sept.2011

SERVICE MANUAL Date:
2011/09/23
Page:
2/39
Model:
K65&K85
CONTENTS
SEC. 01-----Disassembling outer covers
SEC. 02-----Test mode
SEC. 03-----Adjustment of feed-dog height
SEC. 04-----Needle bar height
SEC. 05-----Needle threader height
SEC. 06-----Presser foot height
SEC. 07-----Needle position
SEC. 08-----Clearance between needle and shuttle hook
SEC. 09-----Needle timing to feed-dog
SEC. 10-----Needle timing to shuttle
SEC. 11----- Meshing condition of shuttle gear and lower gear
SEC. 12----- Adjustment of thread tension
SEC. 13----- Retaining bracket for bobbin case
SEC. 14----- Origin point positioning of zigzag bight
SEC. 15----- Origin point positioning of stitch length
SEC. 16-----Electrical components
SEC. 17-----Wiring diagram

SERVICE MANUAL Date:
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Page:
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Model:
K65&K85
SEC. 01 Disassembling outer covers
1. Lay the machine on its back.
2. Remove screw for rubber feet.
3. Remove rubber foot for adjustment by hand.

SERVICE MANUAL Date:
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Model:
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4. Remove base cover.
5. Remove screw for bottom cover.
6. Remove the bottom cover.

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Model:
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7. Lift the machine and remove screws on needle plate.
8. Remove needle plate.
9. Remove screw for face cover.

SERVICE MANUAL Date:
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Model:
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10. Remove screw on rear cover.
11. Remover screw on rear cover which is located near face cover.
12. Remover cover fixing screw near face cover.

SERVICE MANUAL Date:
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Model:
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13. Lift the rear cover using screw driver and remove projection
of the cover from machine body.
14. Remover the rear cover.
15. Remover screw from top cover.

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Model:
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16. Remove fixing screw inside the top cover.
Photo is left side (Lamp cover side) view.
17. Position of the above screw is shown below with the top cover removed.
18. Lift the top cover at side of hand wheel.
Foot of top cover

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Model:
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Lift the top cover at the side of face cover.
Remove the top cover by lifting it at the same time.

SERVICE MANUAL Date:
2011/09/23
Page:
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Model:
K65&K85
19. Loosen screw of front cover at the side of hand wheel
so that it may make it easier to re-assemble it.
20. Loosen screw of fixing foot of front cover at the side of hand wheel.
.