Maintenance work
Service Manual 867 Version 02.0 - 04/2015 107
21.1.2 Hook lubrication
The approved amount of oil for hook lubrication is a factory specification.
Hold a sheet of blotting paper near to the hook when sewing.
Proper setting
After sewing a stretch of approx.1 m, the blotting paper has been sprayed
with a thin and even film of oil.
Cover
• Throat plate slide ( 3.3.5 Opening and closing the throat plate slide,
page 15)
Fig. 94: Setting the hook lubrication
Setting steps
1. Turn the screw (3):
• Turn counter-clockwise: more oil is released
• Turn clockwise: less oil is released
The released amount of oil does not change until the operating time has
run a few minutes. Sew for several minutes before you check the setting
again.
WARNING
Risk of injury
Risk of crushing injuries and stab wounds from mov-
ing and sharp parts.
When holding the blotting paper, make sure that you
do not reach into the hook or underneath the area of
the needle and sewing feet.
Switch off the sewing machine before adjusting the
hook lubrication.
(1) - Hook
(2) - Blotting paper
(3) - Screw
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