Starting - Atlas Copco ga55+ Instruction Book

Procedure
- See section
Check oil level (Gl), top up if necessary. The pointer should be in the upper field of the green
range or in the orange range. If the pointer registers in the LOW range, depressurize the oil
system (see section
oil filler plug (FC) only one turn to permit any pressure in the system to escape. Remove the
filler cap and add oil until the level reaches the filler neck. Tighten the plug.
- If necessary, empty the dust trap of the filter, see section
- If the red part of the air filter service indicator shows full out, replace the air filter element. Reset
the service indicator (VI) by pushing the knob in the extremity of the body and reset the service
warning. On compressors equipped with an Elektronikon® Graphic controller, see section
Service menu.
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On water-cooled compressors, also:
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•
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7.4 Starting

Procedure
112
Initial start-up for location of the oil system components.
Problem solving).
Check that the cooling water drain valves in the inlet and outlet pipes are closed.
Open the cooling water inlet valve.
Open the water flow regulating valve. This step can be skipped if, after previous
operation, the setting of this valve has not been changed.
For the position of the air outlet valve and the drain connections, see sections
Introduction and Condensate system
Wait until the compressor has depressurized. Unscrew
Air filter.
Instruction book
9096 3313 00