10.5.5 Oil separator tank dirt trap maintenance
The control valve is mounted on the oil separator tank cover. The control valve has two different
dirt traps that must be cleaned at least once a year.
Material Cleaning cloths
Wrench
Small screwdriver
Maintenance kit, control valve
Petroleum ether or spirit
Precondition The machine is shut down.
The machine is fully vented, the pressure gauge reads 0 psig.
The machine has cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
The negative cable to the battery is disconnected.
Fig. 61 Oil separator tank dirt trap maintenance
1
Oil separator tank cover
2
Control valve
3
Union nut
4
Oil return line
A
Detail: Dirt trap, oil return line
5
Strainer
6
Sealing ring
7
Screw-in connector
8
Nozzle
B
Detail: Dirt trap, proportional controller
9
Screw plug
10
O-ring
11
Strainer
➤ Open the right-hand access door.
10.5.5.1 Dirt trap maintenance
See Fig. 61; Detail: A.
1. Undo the union nut
3
and bend the oil return line
4
to one side.
2. Unscrew the screw-in connector
7
.
3. Unscrew the strainer
5
from the screw-in connector.
4. Use a screw driver to unscrew the nozzle
8
from the screw-in connector.
5. Clean the housing, strainer and sealing ring
6
with cleaning solvent or spirit.
10 Maintenance
10.5 Compressor Maintenance
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
135
