Operation Manual

10 Maintenance
10.1 Cleaning and checking
Caution, danger of injury!
Switch the main switch off.
The locking unit must only be maintained when it is switched off.
Maintenance work must be done no later than the maintenance
intervals specified in the tables (see “Operating hours” column).
When dealing with very fluffy materials shorter maintenance intervals
may be necessary.
A clean locking unit protects against malfunctions.
Maintenance work Explanation Operating
to be carried out hours
Top of machine
- Remove sewing dust and loose
threads.
(e.g. with compressed air gun)
Places to be cleaned particularly:
- Underside of stitch plate
- Area under the hook 1
- Bobbin housing
- Thread cutter
- Area under the needle 2
8
Control box
- Keep ventilation filters clear
8
90
1
2