Operating instructions

9. Maintenance
9.1 Cleaning and inspection
Check air pressure and adjust
–
The operating pressure is 6 bar.
–
Turn screw 1 to adjust pressure
Reduce pressure: Turn screw 1 anti-clockwise.
Increase pressure: Turn screw 1 clockwise.
Scheduled maintenance Explanation Operating
hours
Machine head
Remove sewing dust, thread
rests and cutting waste.
Places to be cleaned particularly:
- Beneath the throat plate
- Sewing basket
- Area under the hook
- bobbin housing
- thread cutter
8
Pneumatic system
Check or set air pressure
Check water level in the pressure
regulator.
Clean filter
Check tightness of systems
Water level must not rise to the level of the filter element
2. Screw in drain screw 4 and blow out the water under
pressure.
Through the filter element 2 condensation water and dirt
are expelled. Cut off the machine from the air pressure
system. Screw in drain screw 4. The pneumatic system
of the machine must be without pressure. Unscrew
water trap 3. Unscrew the filter element 2 and wash out
the dirty filter housing and filter element with benzene
(not a solvent!) and blow dry. Reassemble the
maintenance unit and reconnect.
8
40
500
500
44
1
2
3
4