Operation Manual

9. Maintenance
9.1 Cleaning and checking
Caution! Risk of injury!
Turn off the main switch.
Maintenance may only be carried out with the machine switched off!
Caution!
The lacquered surfaces don’t clear with organic solvent.
For the cleaning are suitable detergents based on alcoholic.
Maintenance work must be carried out no less frequently than at the
intervals given in the tables (see ”operating hours” column).
Maintenance intervals may need to be shorter when processing
heavy-shedding materials.
A clean machine is a trouble-free machine.
Maintenance work Explanation Operating
to be carried out hours
Machine head
- Remove lint, pieces of
thread (e.g. with an air
blow gun)
Places in special need of cleaning:
- Area under the throat plate, feeding
roller (2), top roller and its surrounding.
- Area around the hook (1)
- Bobbin housing (6)
- Thread trimmer
- Area around the needle
CAUTION !
Be sure to hold the blow air gun so that no
sewing dust is blown into the oil sump.
8
- Remove lint, pieces of
thread (e.g. with an air
blow gun)
Remove the throat plate. Remove the
thread puling knife (4). Remove the hook
plunger ring (5). Remove the bobbin
housing (6) from the hook. Clean the inner
area of the hook. Clean the bobbin housing
- particularly look for glue remainder on the
surface (7).
20
- Check the hook Check the clearance on the track between
bobbin housing (6) and the hook (1).
500
45
EN
3
2
6
4
7
5
1