JUKI MF-7900 Series Engineer's Manual page 84
High-speed, cylinder-bed top and bottom coverstitch machine
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Also See for MF-7900 Series:
- Instruction manual (30 pages) ,
- Specification (8 pages) ,
- Quick start manual (2 pages)
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WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
2. Adjusting the looper thread trimming knife
(1) Adjusting the Lower knife
(2) Adjusting the position of clamp pressure adjusting spring
(3) Adjusting the knife engagement and the knife pressure adjusting spring
(4) Adjusting the pressure of clamp spring
❹
❽
Standard adjustment
❹
65.5 mm
❼
❾
❺
❻
2.5 ± 0.5 mm
❹
– 70 –
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