7
.
STANDARD ADJUSTMENT
·················································································· 19
7-1. Adjustment of the needle bar position ·····························································
19
7-2. Adjustment of the position between the needle and the shuttle hook ··············
20
7-3. Adjustment of the clearance between the shuttle hook and the needle ··········· 21
7-4. Adjustment of the clearance between the driver and the needle ·····················
21
7-5. Adjustment of the thread guide ·······································································
22
7-6.
Adjustment of the wiper ··················································································· 25
7-7. Adjustment of the bobbin winder ····································································· 26
7-8. Adjustment of the work holder ········································································· 26
7-9. Adjustment of the trimmer cam follower ·························································· 27
7-10. Adjustment of the position for movable knife point ········································
28
7-11. Adjustment of the fixed knife position ···························································· 29
7-12. Adjustment of the thread take up spring stroke ············································· 29
7-13. Adjustment of the thread take up spring tension ···········································
29
7-14. Adjustment of the thread tail after the trimming ············································· 30
7-15. Cancellation of the trimming function ····························································
30
7-16. Adjustment of the upper thread tension ························································
30
7-17. Adjustment of the synchronizer ····································································· 31
7-18. Adjustment of the mechanical home position ················································
32
7-18-1. Shifting the mechanical home position X direction ······························
33
7-18-2. Shifting the mechanical home position Y direction ······························
33
7-19. Adjustment of the X-Y contact pressure ························································ 34
7-20. Adjustment of the X-Y driving gear clearance ···············································
34
7-20-1.
Adjustment of the X stepping motor position
·······························
34
7-20-2.
Adjustment of the Y stepping motor position
·······························
35
7-21. Adjustment of the V belt tension ···································································
35
8
.
MAINTENANCE
·································································································
36
8-1. Cleaning ·········································································································· 36
8-2. Disposing of oil waste ·····················································································
36
9
.
BAD SEWING CONDITION & ITS CAUSE AND REMEDY
··································
37
APPENDIX
··················································································································
40
Ref.1. Table cut out drawing ····················································································
41
Ref.2. Table & stand assembly ················································································
41
Ref.3. Stand components drawings ········································································· 42