3. Maintenance
Caution: Danger of injury!
Switchthemainswitchoff.
Carry out maintenance work only with the sewing unit switched off.
3.1 Cleaning
A clean sewing unit protects from malfunctions!
Clean and check daily:
–
Clean the area around the hooks 2 and 3 with the compressed air
pistol.
–
When changing the bobbin always clean the lenses of the light
barriers 1 and 4 of the remaining thread monitor with a soft cloth.
–
Cleaning of the filter ring 5 at the vacuum valve 6:
Blow out with compressed air pistol.
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12 3 4
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