3. Clean the lower housing and sealing surface with a lint-free cloth.
4. Check the housing gasket.
Housing gasket is damaged: replace gasket.
5. Insert a new filter element.
Wear gloves!
6. Screw on the upper housing clockwise.
Changing the oil indicator:
1. Unscrew the oil indicator.
2. Clean the housing and sealing surface with a lint-free cloth.
3. Screw in the new oil indicator.
Putting in operation:
1. Close the drain valve.
2. Activate the «battery isolating switch».
3. Close the door.
Dispose of old parts and contaminated materials according to environmental regulations.
Further information Further information on changing elements can be found in the operating instructions for pressurised
air filters (fresh air filters) in chapter 13.8.
Starting the machine and performing a test run:
1. Switch the machine on and run it in IDLE mode for approx. 5 minutes.
2. Shut down the machine.
3. Wait until the machine has automatically vented.
Pressure gauge reads 0 bar!
4. Open the outlet valves.
5. Open the right-hand access door.
6. Check the fresh air filter housing and hose line for leaks.
7. Close the door.
10 Maintenance
10.9 Options
152
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
No.: 9_9425 01 E
