10.5.3 Changing the cooling oil
Drain all cooling-oil from:
■ Oil separator tank
■ Oil cooler
■ Oil pipes
Material cooling oil
Receptacle
Drain hose
New gasket for the drain plug
Funnel
Cleaning cloths
Precondition The machine is shut down.
The machine is standing level.
The machine is fully vented, the pressure gauge reads 0 bar.
The machine is at operating temperature.
All compressed air consumers are disconnected and the air outlet valves are open.
The «battery isolating switch» is off.
CAUTION
There is risk of burns from hot components and escaping oil.
➤ Wear long-sleeved clothing and gloves.
Fig. 67 Changing the cooling oil
1
Oil separator tank
2
Oil filler plug
3
Oil separator tank drain plug
4
Shut-off valve (ball)
5
Quick-release coupling
6
Drain hose with male fitting
7
Oil cooler
➤ Heed the safety instructions in chapter 3.5.
10 Maintenance
10.5 Compressor
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
127