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9.
Maintenance
Necessary maintenance work
Sewing machine head
Remove sewing dust, left-over thread and cutting residue . . . . . . . . . . .
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 . . . . . . . . . . . . . . . . . . . . . . . .
Check the function of the safety clutch . . . . . . . . . . . . . . . . . . . . . . .
Check the condition of the toothed belt . . . . . . . . . . . . . . . . . . . . . .
Sewing drive
Clean the motor ventilation lifter of sewing dust . . . . . . . . . . . . . . . . .
Check the condition and tension of the V-belt . . . . . . . . . . . . . . . . . . .
24
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.
Operating hours
8
40
160
X
X
X
X
500
X
X
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