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Atlas Copco GA 55+ User Manual

Atlas Copco GA 55+
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Procedure
Location of unloader
- See section Initial start-up for location of the oil system components.
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 Problem solving). Wait until the compressor has depressurized. Unscrew 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 Air filter.
- 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 II regulator, see section Service menu.
5.3 Starting
Procedure
For the position of the air outlet valve and the drain connections, see sections Introduction
and Condensate system
Instruction book
API603130 65

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Atlas Copco GA 55+ Specifications

General IconGeneral
ModelGA 55+
CategoryAir Compressor
Power55 kW
Working Pressure7.5 - 13 bar
Height1800 mm
Cooling MethodAir-cooled
Drive TypeDirect driven
Sound Level70 dB(A)

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