Atlas Copco G 160 VSD Original Instruction Book page 69

Instruction book
Procedure
Step
1
2
3
4
5
6
7
APF221384
Action
Run the compressor until warm.
Stop the compressor.
Close the air outlet valve.
Switch off the voltage.
Wait a few minutes.
Depressurize by unscrewing plug only one turn to permit any pressure in the system to
escape.
Loosen vent plugs on top of the oil coolers.
Drain the oil by removing the drain plugs.
Plugs are fitted on the:
• Air receiver / Oil separator with drain point
• Oil stop valve
• Check valve
• Gearbox
• Oil coolers of air-cooled compressors
• Oil filter housing
Tighten the plugs after draining.
Remove filler plug.
Fill the air receiver / oil separator with oil until the level reaches the filler opening.
Refit and tighten plug.
Tighten the vent plug of the oil cooler.
Disconnect the air inlet hose from the inlet bend.
Pour 10 liter of oil into the compressor stage.
Reinstall the air inlet hose.
Run the compressor loaded for a few minutes to allow the oil cooler by-pass valve to
open.
Stop the compressor.
Wait a few minutes.
Depressurize the system by unscrewing plug only one turn to permit any pressure in the
system to escape.
Remove the plug.
Fill the air receiver / oil separator with oil until the level reaches the filler opening.
Tighten the filler plug.
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