Atlas Copco GX 2 EP, Instruction Book

Page: 53 / 76

GX 2 up to GX 5
Step Action
1 Run the compressor until warm. Stop the compressor, close the air outlet valve and switch
off the voltage.
2 Remove the front and top panels.
3 Depressurise the compressor by unscrewing filler plug (8) one turn to permit any pressure
in the system to escape.
4 Depressurise the air receiver by opening drain valve (4).
5 Drain the oil by opening drain valve (5). Close the valve after draining. Deliver the spent
oil to the local oil collection service.
6 Remove oil filter (3) and separator (2). Clean the seats on the manifold.
7 Oil the gaskets of the new filter and separator and screw them into place. Tighten firmly
by hand.
8 Remove filler plug (8) and fill oil tank (7) with oil until the level reaches the middle of sight-
glass (6). Ensure no dirt gets into the system. Refit and tighten filler plug (8).
9 Unscrew the air filter cover (1), remove the filter element and carefully pour approx. 0.1 l
(0.03 US gal / 0.02 Imp gal) of oil into the compressor element. Do not overfill.
10 Re-assemble the inlet filter
11 Fit the bodywork panels.
12 Close drain valve (4) of the air receiver.
13 Run the compressor for a few minutes. Check the oil level.
Instruction book
2920 7105 31 51