Filling with cooling oil
1.
Compressed air!
Compressed air and devices under pressure can injure or cause death if the contained energy
is released suddenly.
➤ Vent all pressurized components and enclosures.
2. Slowly unscrew the filler plug 4 (see illustration 30).
3. Fill with cooling oil.
4. Check the filler plug and ring seal for damage and screw the plug back in again.
Starting the machine and performing a trial run
1. Close all access doors, replace and secure all removable panels.
2. Open the user's shut-off valve between the machine and the air distribution network.
3. Switch on the power supply and reset the maintenance interval counter.
4. Start the machine and check the oil level again after about 10 minutes, topping off if necessary.
5. Switch off the machine and check for leaks.
10.17 Changing the oil filter
The machine must be isolated from the compressed air network and completely vented be‐
fore undertaking any work on the pressure system.
Material Spares
Cooling oil receptacle
Precondition The power supply isolating device is switched off,
the device is locked off,
the absence of any voltage has been verified.
The machine is fully vented,
the pressure gauge on the oil separator tank reads 0 psig.
There is risk of burns from hot components and oil!
➤ Wear long-sleeved clothing and gloves.
10 Maintenance
10.17 Changing the oil filter
72
Operator Manual Screw Compressor
SM Tri-Voltage, SIGMA CONTROL 2 9_5875 33 USE
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