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(7) Lubrication
WARNING :
Be sure to turn the power OFF before the following work in order to prevent personal injury due to
unintentional starting of the sewing machine.
Standard adjustment
5) Adjusting the amount of oil in the hook
6) Hook oil adjustment procedures
7) Essentials for hook oil adjustments
8) Replacement of the hook shaft oil wick
Oil quantity (trace) checking paper
Oil quantity (trace) checking paper
❷
❻
❺
* Unnecessary to worry about the quality of paper.
Approx. 70mm
Approx. 25mm
To be applied to the bed wall.
Hook
Lower shaft front metal
Bed
Oil trace checking paper
* Apply the oil quantity (trace) checking paper to
hooks lower side and check it from a distance of
3 to 10mm.
3 to 10mm
Oil quantity (small)
Oil quantity (large)
Oil sprinkles from the hook
• DDL-8000A*-MS : 0.5 to 1mm
• DDL-8000A*-SH (SJ) : 1 to 3mm
• 8000A*-MS : 1 to 1.5mm
• 8000A*-SH (SJ) : 2 to 4mm
Oil sprinkles from the hook
❷
❹
❸
decrease
increase
❶
DESCRIPTION Part No.
❷
Hook driving shaft oil wick setscrew
22916555
❸
Hook driving shaft stopper screw
22916506
❹
Hook driving shaft stopper
setscrew oil wick
11015906
❺
Hook driving shaft stopper screw
11079506
❻
O-ring
RO036080200
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