10.5.4 Changing the oil filter
Material Spares
Receptacle
Cleaning cloth
Precondition The machine is shut down.
The machine is fully vented, the pressure gauge reads 0 bar.
Machine is cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
The «battery isolating switch» is off.
CAUTION
Danger of burning from hot components and oil.
➤ Wear long-sleeved clothing and gloves.
Fig. 69 Changing the oil filter
1
Oil filter
2
Direction of rotation to unscrew the oil filter.
3
Combination valve
Changing the oil filter:
1. Open the left-hand door.
2. Prepare a receptacle.
3. Loosen the filter by turning counter-clockwise and catch any escaping oil.
4. Carefully clean sealing surfaces using lint-free cloth.
5. Lightly oil the new filter's gasket.
6. Turn the oil filter clockwise by hand to tighten.
7. Check the oil level in the oil separator tank.
Cooling oil level too low: Replenish the cooling oil.
8. Activate the «battery isolating switch».
9. Close the door.
Dispose of old cooling oil and any materials or parts contaminated with oil according to envi‐
ronment protection regulations.
10 Maintenance
10.5 Compressor
130
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
No.: 9_9425 01 E
