18. Maintenance
Caution: Danger of injury !
Switch off the main switch.
The maintenance of the sewing unit must only be carried out when the
machine is switched off.
The daily or weekly maintenance work (cleaning and oiling) to be done
by the operators of the sewing unit is described in Part 1: Operating
Instructions. It is only listed in the following table to complete the
picture.
Work to be done Operating hours
4 8 40 160 500
Machine head
Remove bits of fluff, sewing dust and thread tails from the area
around the hook and the throat plate X
Check the oil level in the oil reservoirs X
Check the hook lubrication X
Clean the lenses of the bobbin thread monitor X
Clean the reflecting foils X
Drive unit and transport carriage
Check state and tension of the V-belts and toothed belts X
Pneumatic system
Check the water level in the pressure regulator X
Clean the filter insert of the maintenance unit X
Carry out leak test X
Additional equipment
Clean the inlet air and waste air filter of the suction unit (blow out) X
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