Duerkopp Adler 171 Instruction Manual page 24

Maintenance work
to be carried out
Sewing drive
Clean the motor ventilation
grille (e.g. with an air blow
gun)
Check status and tension of
the V-belt
Pneumatic system
Check the water level in the
pressure regulator.
Clean the filter insert.
Make leak test of the system.
22
6
4
8
2
10
Explanation
Clean the air inlets from sewing dust and
thread remainders
It must still be possible to bend the V-belt in
the middle by approx. 10 mm at the touch of a
finger.
The water level must not rise up to the filter
insert 1.
- Drain water out of the water separator 2
under pressure after screwing out
the drain screw 3.
Dirt and condensed water are discharged
through the filter insert 1.
- Separate the machine from the compressed
air supply.
- Screw out drain screw 3.
The pneumatic system of the machine
must be pressureless.
- Screw off the water separator 2.
- Screw off the filter insert 1.
Wash out dirty filter pan and
filter insert with benzine (no
solvent) and blow them clean.
- Reassemble the maintenance unit.
1
2
3
Operating
hour
8
160
40
500
500