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 up if necessary.
5. Switch off the machine and check visually for leaks.
➤ Dispose of used oil in accordance with environment protection regulations.
10.17 Changing the oil filter
The machine must be isolated from the compressed gas network and completely vented be‐
fore undertaking any work on the pressure system.
Material Spares
Cooling oil receptacle
Precondition The supply disconnecting device is switched off.
The disconnecting device is locked off.
A check has been made that no voltage is present.
The machine is fully vented,
the pressure gauge on the oil separator tank reads 0 bar.
CAUTION
There is risk of burns from hot components and oil!
➤ Wear long-sleeved clothing and gloves.
Fig. 33 Changing the oil filter
1 Oil filter
2 Direction to unscrew
Changing the oil filter
1. WARNING!
Compressed gas!
Compressed gas and devices under pressure can injure or cause death if the contained ener‐
gy is released suddenly.
➤ De-pressurise all pressurised components and enclosures.
10 Maintenance
10.17 Changing the oil filter
74
Service Manual Screw Compressor
ESD 442/14 bar (abs) SFC SIGMA CONTROL 2 ESD_2C_10357405_10–LIN_00 E
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