10.5.2 Cooling oil filling and topping up
Material Cooling oil
Funnel
Cleaning cloths
Wrench
Precondition The machine is shut down.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 bar.
Machine cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
The «battery isolating switch» is off.
Filling with cooling oil
A sticker on the oil separator tank specifies the type of oil used.
CAUTION
The machine could be damaged by unsuitable oil.
➤ Never mix incompatible types of oil.
➤ Never top up with a different type of oil to that already used in the machine.
1. Open the left-hand door.
2. Slowly unscrew and withdraw the plug from the oil filler port.
3. Top up the cooling oil to the maximum level
B
with the help of a funnel.
4. Check the oil level.
5. Check the filler plug gasket for damage.
Change a damaged gasket immediately.
6. Replace the plug in the filler port.
7. Switch the «battery isolating switch» on.
8. Close the access door.
Starting the machine and carrying out a trial run
1. Start the machine and run in idle up to operating temperature.
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. Check the oil level after about 5 minutes.
Top up if necessary.
7. Carry out a visual check for leaks.
10.5.3 Changing the cooling oil
Drain all cooling-oil from:
10 Maintenance
10.5 Compressor
124
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
No.: 9_6975 00 E
