8 Maintenance
8.1 Cleaning and Checking
Caution: Risk of injury!
Tur n off the main switch.
The maintenance of the sewing machine must only be done when the
machine is switched off.
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 sewing machine is a trouble-free sewing machine.
Caution: Risk of injury!
Switch off t he main switch before tilting the machine head!
Maintenance work Explanation Operating
to be carried out hours
Machine head
- Remove sewing dust,
lint and thread waste
(e.g. with an air blow gun)
Places in special need of cleaning:
- area under the throat plate 2
- area around the hook 1
- bobbin housing
- thread trimmer
- needle area
CAUTION !
Hold the air blow in a way that you avoid
the sewing dust to be blown to the oil
sump.
8
Direct drive
Clean motor ventilation filter 3 (e.g. with an
air blow gun) from sewing dust and thread
waste.
8
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