10.4.3 Changing the cooling oil
Drain the oil completely from the following components:
■
Oil separator tank
■ Oil cooler
■ Oil pipes
➤ Always change the oil filter when changing the oil.
Material Cooling oil
Receptacle
Drain hose with hose coupling is disconnectedly laying at the machine
New gasket for the drain plug
Funnel
Cleaning cloth
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.
Negative cable to the batteries disconnected.
CAUTION
There is risk of burns from hot components and escaping oil.
➤
Wear long-sleeved clothing and gloves.
➤ Open both doors.
10.4.3.1 Draining the cooling oil (machine with chassis)
In machines with chassis (no closed floor pan, no stationary machine), the cooling oil is drained
directly at the oil separator tank and the oil cooler.
10 Maintenance
10.4 Compressor Maintenance
112
Service manual Portable compressor
M122
No.: 9_6974 20 E
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