160
11-2-2 Trouble shooting (Thread break)
Trouble Factor Cause of trouble and measure Page
Thread break
Mechanical
11. No problem in rotary hook?
3-1-1
11-1 Clean it to remove lints.
11-2 Furbish scratch.
11-3
If backlash of bobbin case holder and outer hook grows bigger, replace them.
11-4 Replace.
12. No problem in rotary hook retainer?
12-1 Remove burr and scratch.
12-2 Adjust position.
3-5-2
13. No problem in needle?
13-1 Fix it properly .
3-1-2
13-2 Select proper size of needle to match thread thickness. 3-1-4
13-3 If tip of needle is warped or bent, replace. 3-1-1
13-4 Replace.
14. No problem in bobbin case?
14-1 Remove rust and scratch.
14-2 If thread guide spring is off, replace it.
15. No problem in bobbin?
15-1 Remove scratch (iron bobbin).
15-2 If distorted. replace it.
16. Is needle bar spring not broken?
16-1 Replace it.
3-3-7
17. Does needle bar make smooth movement?
17-1 If bent, replace it.
3-3-7
18. No backlash in moving head?
18-1 Adjust positioning roller shaft.
3-3-3
19. Needle doesn't drop in the center of needle hole.
19-1 Adjust positioning plate and adjust needle drop back and forth.
3-3-3
19-2
Adjust position of needle selection unit, then adjust needle drop right and left.
3-4-1
20. Is the lowest needle position proper?
20-1 Adjust mechanical lowest needle position.
3-2-5
20-2 Adjust electric lowest needle position.
3-8-3
21. Is needle height proper?
21-1 Adjust as specified.
3-3-63
22. Is rotary hook timing proper?
22-1 Adjust as specified.
3-5-1
23. Is clearance between needle and rotary hook proper?
23-1 Adjust as specified.
3-5-1
( ) ----- Reference instruction book
Summary of Contents for HCD2-1501-40
Page 1: ...Maintenance Manual for Embroidery Machine HCD2 1501 40 Version 2 3 HappyJapan Inc ...
Page 10: ...10 HSA90311 Shell alvania EP Grease2 100g Page 31 33 36 M0404342 Needle height gauge Page 52 ...
Page 150: ...143 10 1 Electrical connection diagram before Rev A for LCD CE board 1 3 ...
Page 151: ...144 10 1 Electrical connection diagram before Rev A for LCD CE board 2 3 ...
Page 152: ...145 10 1 Electrical connection diagram before Rev A for LCD CE board 3 3 ...
Page 153: ...146 10 2 Electrical connection diagram before Rev A for LCD CE U LCD CE MX board 1 4 ...
Page 154: ...147 10 2 Electrical connection diagram before Rev A for LCD CE U LCD CE MX board 2 4 ...
Page 155: ...148 10 2 Electrical connection diagram before Rev A for LCD CE U LCD CE MX board 3 4 ...
Page 156: ...149 10 2 Electrical connection diagram before Rev A for LCD CE U LCD CE MX board 4 4 ...
Page 157: ...149a 10 2a Electrical connection diagram Rev A 1 4 ...
Page 158: ...149b 10 2a Electrical connection diagram Rev A 2 4 ...
Page 159: ...149c 10 2a Electrical connection diagram Rev A 3 4 ...
Page 160: ...149d 10 2a Electrical connection diagram Rev A 4 4 ...
Page 161: ...150 10 3 Connection of inverter Inverter set Inverter set ...
Page 165: ...153 HCD8116 TP SW Circuit Board Ass y HCD8124 TC8 7 Circuit Board Ass y Rev A ...
Page 166: ...154 HCD8119 y ...