7
Adjustments and servicing procedures
7.1
Air filter
Procedure
1. Stop the compressor, close the air outlet valve and switch off the voltage.
2. Remove the filter cover (1) and the filter element. Discard damaged or clogged elements.
Clean the cover.
3. Fit the new element and reinstall the filter cover.
7.2
Air cooler
Cleaning
Keep the cooler clean to maintain cooling efficiency. If necessary, remove any dirt with a fibre
brush. Never use a wire brush or metal objects.
Next, clean by air jet in reverse direction of normal flow.
If it is necessary to wash the cooler with a cleansing agent, consult Atlas Copco.
7.3
Drive motor
Instructions
The motor bearings are greased for life and do not require special attention.
88
3.7 kW compressor module
5.5 kW compressor module
Instruction book
2920 7140 52