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4. Unscrew the fitting
6
and turn the air pipe
5
to one side.
5. Remove the screws
8
securing the cover
7
of the oil separator tank.
6. Carefully lift the cover and put to one side.
Take care with the pipe of the oil return line
2
screwed under the cover.
7. Remove the old oil separator cartridge
13
and the gaskets
11
.
8. Clean all sealing surfaces, taking care that no foreign bodies (dirt particles) fall into the oil sep‐
arator tank.
Do not remove the metal clips!
The metal parts of the oil separator cartridge are electrically interconnected. The gaskets
11
are fitted with metal clips
12
that fulfil this requirement and provide an electrical path to the
oil separator tank and to the frame of the machine.
9. Insert the new oil separator cartridge with gaskets and screw down the cover.
10. Re-position the air pipe
5
.
11. Replace and tighten all loosened fittings.
12. Reconnect cables.
13. Check the oil level in the oil separator tank.
Cooling oil level too low: Top up the cooling oil.
The dirt trap at the oil separator receptacle must also be serviced, whenever the oil separator
cartridge is changed.
Further information Information on control valve dirt trap maintenance is given in chapter 10.6.5.
Putting in operation:
1. Turn on the «battery isolating switch».
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 0psig!
5. Open the outlet valves.
6. Open the right-hand access door.
7. After approximately 5 minutes: Check the cooling oil level.
Cooling oil level too low: Top up the cooling oil.
8. Visually inspect for leaks.
9. Close the door.
10 Maintenance
10.6 Compressor Maintenance
156
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M82 SIGMA CONTROL SMART
No.: 901783 08 USE