13. Check the oil level in the oil separator tank.
Cooling oil level too low: Replenish the cooling oil.
Maintenance of the control valve dirt trap must be carried out whenever the oil separator car‐
tridge is changed.
Further information Information on control valve dirt trap maintenance is given in chapter 10.5.5.
Putting in operation:
1. Switch the «battery isolating switch» on.
2. Close the door.
Dispose of old parts and contaminated materials according to environmental regulations.
Starting the machine and performing a test run:
1. Start the machine and run in IDLE until the operating temperature is reached.
2. Close the outlet valves.
3. Shut down the machine.
4. Wait until the machine has automatically vented.
Pressure gauge reads 0 bar!
5. Open the outlet valves.
6. Open the left-hand door.
7. Check the oil level after about 5 minutes.
Top up if necessary.
8. Visually inspect for leaks.
9. Close the door.
10.5.7 Air filter maintenance
Clean the filter according to the maintenance schedule or if the maintenance indicator shows this to
be necessary.
Renew the air filter element after 2 years at the latest or after it has been cleaned 5 times.
Using the machine without an air filter element is not permitted! Do not use an air filter element
with damaged folds or gasket.
Material Compressed air for blowing out
Spare parts (as required)
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.
10 Maintenance
10.5 Compressor
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
135
