Operation Manual

9. Maintenance
Caution: Danger of injury!
Turn off the main switch.
You must turn off the special sewing machine before performing
maintenance!
The maintenance tasks to be conducted by the operating personnel of
the special sewing machine daily or weekly (cleaning and oiling) are
described in the “Operating Instructions”. They are in the following table
only for the sake of completeness.
Necessary maintenance work Operating hours
8 40 160 500
Sewing machine head
Removesewingdust,left-overthreadandcuttingresidue........... X
Points to be particularly cleaned:
- Area under the throat plate
- Feed dog
- Area around the hook
- Bobbin case
- Needle thread tension
Lubricate the sewing machine head ........................ X
Checkthefunctionofthesafetyclutch....................... X
Check the condition of the toothed belt ...................... X
Sewing drive
Cleanthemotorventilationlifterofsewingdust ................. X
Check the condition and tension of the V-belt................... X
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