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Maintenance work
6.4 Cleaning work
6.4.1 Cleaning the machine
Lint and thread remnants should be removed after every 8 hours of oper-
ation using a compressed air gun or a brush. If very fluffy material is being
sewn the machine must be cleaned more frequently.
Fig. 67: Areas requiring special cleaning
Areas particularly susceptible to soiling:
• Cutter on the bobbin winder for the hook thread (4)
• Area under the throat plate (3)
• Hook (2)
• Area around the needle (1)
Cleaning steps
1. Remove any dust and thread remains using a compressed air gun or
Service Instructions 911-211 - 00.0 - 02/2015
WARNING
Risk of injury
Switch off the machine before cleaning the ma-
chine.
Flying particles can get in the eyes, causing injury.
Hold the compressed air gun so that the particles
do not fly close to people.
Make sure no particles fly into the oil pan.
NOTICE
Damage to the paintwork due to solvent-based
cleaners.
Solvent-based cleaners will damage paintwork.
Only use solvent-free substances for cleaning.
1
2
(1) - Area around the needle
(2) - Hook
a brush.
4
3
(3) - Area under the throat plate
(4) - Cutter on the bobbin winder
71
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