22. Maintenance
Caution: Danger of injury !
Switchthemainswitchoff.
Maintenance work of the automatic buttonholer must only be carried
out with the machine switched off.
The daily or weekly maintenance work ( cleaning and oiling) to be
carried out by the operators of the automatic buttonholer is described
in Part 1: Operating Instructions. This is only listed in the following
table to complete the picture.
Maintenance w ork to be carried out Operating hours
8 40 160 500
Automatic buttonholer
Remove the sewing dust from the area under the throat plate X
Check the oil level X
Check and clean the toothed belt X
Oil the cutting stamp 1 X
Oil the clamp arms 3 at the felt 2 X
Oil felt 6 at the cam X
Pneumatic s ystem
Check the water level in the pressure regulator X
Clean the filter insert in the maintenance unit X
Make leak test of the system X
48
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