Adjusting The Amount Of Oil In The Hook; Hook Oil Adjustment Procedures; Essentials For Hook Oil Adjustments; Replacement Of The Hook Shaft Oil Wick - JUKI DDL-8000A Engineer's Manual

(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.

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

❶
Oil quantity (trace) checking paper
Approx. 70mm
* Unnecessary to worry about the quality of paper.
Oil quantity (small)
Oil sprinkles from the hook
• DDL-8000A*-MS : 0.5 to 1mm
• DDL-8000A*-SH (SJ) : 1 to 3mm
Standard adjustment
decrease increase
❻
❺
DESCRIPTION
❷
Hook driving shaft oil wick setscrew
❸
Hook driving shaft stopper screw
Hook driving shaft stopper
❹
setscrew oil wick
❺
Hook driving shaft stopper screw
❻
O-ring
Oil quantity (trace) checking paper
Lower shaft front metal
Hook
Oil trace checking paper
To be applied to the bed wall.
* Apply the oil quantity (trace) checking paper to
hooks lower side and check it from a distance of
3 to 10mm.
Oil quantity (large)
Oil sprinkles from the hook
• 8000A*-MS : 1 to 1.5mm
• 8000A*-SH (SJ) : 2 to 4mm
– 25 –
❷
❷
❹
❸
Part No.
22916555
22916506
11015906
11079506
RO036080200
Bed