maintenance work explanation operating
to be carried out hours
Upper part of machine
- Remove lint, pieces of
thread and other debris.
Places in special need of cleaning:
- area under the needle plate
- feeder
- area around the shuttle
- bobbin housing
- needle-thread tensioner
- thread clipper (class 69-FA-373)
8
Sewing drive
- Check the condition and
tension
of the V-belt.
It must be possible to depress the V-belt
by about 10 mm by pressing on it with a
finger at its mid-point.
160
Compressed-air
maintenance
unit (optional extra)
- Check the water level in
the pressure regulator.
- Clean the filter insert.
The water level must not reach
the filter insert 2.
- After screwing in the drain plug 3 blast
the water out of the water separator
under pressure.
NB:
The water separator 2 is fitted with a
semi-automatic condensation drain.
Condensation is automatically drained
when the pressure falls below a pre-set
level.
Dirt and condensation are separated by
filter insert 1.
- Disconnect the machine from the
compressed-air supply.
- Screw in drain plug 3.
There must be no pressure in the
machine’s pneumatic system.
- Unscrew water separator 2.
- Unscrew filter insert 1
Wash the filter shell and insert
with cleaning fluid (
not
solvent)
and blast clean.
- Re-assemble and connect the
maintenance unit.
40
500
35
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