Maintenance
Service Instructions 827/827-M - 01.0 - 05/2019 99
20.2.2 Adjusting the hook lubrication
Fig. 76: Adjusting the hook lubrication
The approved oil quantity for hook lubrication is a factory specification.
Hold a piece of blotting paper (2) next to the hook (1) while sewing.
Proper setting
After sewing a stretch of approx. 1 m, the blotting paper (2) will have been
sprayed with a thin and even film of oil.
To adjust the hook lubrication:
1. Open the throat plate slide ( p. 18).
2. Turn the screw (3):
• Release more oil: turn counterclockwise
• Release less oil: turn clockwise
Important
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
adjustment again.
(1) - Hook
(2) - Blotting paper
(3) - Screw
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