13.3 Control
Caution: Danger of Injury !
Turnthemainswitchoff.
The maintenance of the automatic buttonholer must only be
carried out with the machine switched off!
ATTENTION !
If the automatic buttonholer has not been used for a long time or after
assembling the machine, oil the wicks, felts, looper and needle bar
components (see Installation Instructions chapter 10).
Maintenance w ork to be done Operating hours
8 40 160 500
Automatic buttonholer
Clean the area under the needle plate of sewing dust X
Check the oil level X
Check and clean the toothed belts X
Oil the punch 1 X
Oil the clamp arms 3 and the felts 2 X
Oilthefelt6onthecamdisc X
Pneumatic s ystem
Check the water level in the pressure regulator X
Clean the filter insert in the maintenance unit X
Check the system for leaks X
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