4. Maintenance
Caution: Danger of injury!
Switchthemainswitchoff.
Maintenance work must only be done with the sewing unit switched off.
4.1 Cleaning
A clean sewing unit protects from malfunctions!
Clean and check daily:
–
Clean the area around the hooks 1 and 2 with the compressed air
pistol.
–
On each bobbin change, clean the lenses of the light
barriers 5 and 6 of the thread monitor with a soft cloth.
–
Cleanthefilterring7onthevacuumvalve8:
Blow it with an air gun.
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