202
E9-7 Looping
Trouble Factor Cause of trouble measure Page
Looping
Mechanical
1.Imcorrect Pressure foot height adjustment
1-1 Adjust with proper setting
4-1-4
2. Imcorrect Rotary hook timing, Rotary hook clearance, Needle height 4-2-6 , 4-4-1
2-1 Adjust with proper setting
Opetator 1. Improper Upper thread threading
( 4-6 , 4-7 )
1-1 Threading again correctly
2-9
2. Dose thread cone stand properly?
( 4-6 )
2-1 Keep thread from hitting felt.
2-2 Stand vertically.
3. Improper Bobbin thread winding
3-1 Adjust tension of bobbin thread winder
( 4-4 )
3-2 Check bobbin thread can be pulled out smoothly by hand
2-9
4. Weak upper thread tension
4-1 Adjust tension slightly stronger
2-9
5. Weak Bobbin thread tension
5-1 Adjust tension slightly stronger
Thread
&
1. Weak Bobbin thread tension
cloth 1-1 Try to use same kind of thread as cloth
2. Using thread might be not proper for the design(twist, smooth)
3-2
2-1 Check if your thread has too much twist
2-2 Use thread that is Z twisted
2-3 Use smoother theread
2-4 Don’t use thread has unstable thickness and/or knot
Needle 1. Needle is not straight
1-1 Exchange to new needle
( ) ----- Reference instruction book
Содержание HCR3-1502
Страница 1: ... Maintenance Manual for Embroidery Machine HCR3E SERIES Version 1 2 HappyJapan Inc ...
Страница 104: ...105 4 7 3 Adjustment of timing detecting unit 8 Finally put the cover back on ...
Страница 107: ...107 ...
Страница 172: ...172 E7 Electric system diagram E7 1 Pulse motor driver PMD wiring ...
Страница 173: ...173 E7 2 Pulse motor driver PMD setup ...
Страница 174: ...174 E7 3 Inverter wiring ...
Страница 175: ...175 E7 4 Electrical connection diagram ...
Страница 176: ...176 ...
Страница 177: ...177 ...
Страница 178: ...178 E7 5 List of electrical connection diagram ...
Страница 179: ...179 ...
Страница 180: ...180 E7 6 Explanation of function clrcuit board HCD8122 LCD CE MX Board Ass y ...
Страница 181: ...181 HCD8116 TP SW Circuit Board Ass y CN No Function CN1 Switch output LED input ...
Страница 182: ...182 HCR8121 CONT R2 Circuit Board Ass y ...
Страница 216: ...2018 9 HappyJapan Inc 9 5 TAITO 2 CHOME TAITO KU TOKYO JAPAN TEL 81 3 3834 0711 FAX 81 3 3835 8917 ...