8
7
4-5-7 Adjustment of bobbin thread holder
1. Remove needle plate. (Fixing screw 2 pcs)
2. Close moving knife like putting bobbin thread between
moving knife and bobbin thread holder.
3. Adjust height of bobbin thread holder with adjusting screw.
4. Pull bobbin thread toward arrow mark and see that bobbin
thread comes off with tensile gauge [
20 ~ 25g
].
5. Tighten lock nut. (Don’t move adjusting screw.)
6. Check several times and if OK, finish this process.
Summary of Contents for HCR3-1502
Page 1: ... Maintenance Manual for Embroidery Machine HCR3E SERIES Version 1 2 HappyJapan Inc ...
Page 104: ...105 4 7 3 Adjustment of timing detecting unit 8 Finally put the cover back on ...
Page 107: ...107 ...
Page 172: ...172 E7 Electric system diagram E7 1 Pulse motor driver PMD wiring ...
Page 173: ...173 E7 2 Pulse motor driver PMD setup ...
Page 174: ...174 E7 3 Inverter wiring ...
Page 175: ...175 E7 4 Electrical connection diagram ...
Page 176: ...176 ...
Page 177: ...177 ...
Page 178: ...178 E7 5 List of electrical connection diagram ...
Page 179: ...179 ...
Page 180: ...180 E7 6 Explanation of function clrcuit board HCD8122 LCD CE MX Board Ass y ...
Page 181: ...181 HCD8116 TP SW Circuit Board Ass y CN No Function CN1 Switch output LED input ...