Operation Manual

9 Maintenance
9.1 Cleaning and checking
Caution! Risk of injury!
Tur n off t he main switch.
Maintenance may only be carried out with the machine s witched off!
Caution!
Maintenance work must be carried out no less frequently than at the
intervals given in the tables (see ”operating hours” column).
Maintenance work Explanation Operating
to be carried out hours
Machine head
- Remove lint, pieces of
thread(e.g.withanair
blow gun)
Places in special need of cleaning:
Area under the throat plate and feeding
roller, top roller and its surrounding.
- Area around the hook 1
- Bobbin housing 2
- Thread trimmer
- Area around the needle
CAUTION!
Be sure to hold the air blow gun so that no
sewing dust is blown into the oil sump.
8
- Remove lint, pieces of
thread(e.g.withanair
blow gun)
Remove the throat plate.Remove the hook
plunger ring 3. Remove the bobbin
housing 2 from the hook. Clean the inner
area of the hook. Clean the bobbin housing
-particularly look for glue remainder on the
surface 4.
20
- Check the hook Check the clearance on the track between
bobbin housing 6 and the hook 1.
500
31
2
3
1
4