Product Manual

• Open the condensate drain valve (Dm) to depressurise the cooler. (see Condensate system) and close
again.
• Unscrew
the oil filler plug (FC) just one turn to permit any remaining pressure in the system to escape.
10. • Fill the air receiver (AR) with oil until the level reaches the filler neck. (see Operating instructions /
During operation)
• Refit and tighten filler plug (FC).
When the oil level is too low, go back to step 7.
6.6 Coolers
General
Keep the coolers clean to maintain their efficiency.
Procedure
• Stop the compressor, close the air outlet valve and switch off the voltage.
• Cover all parts under the coolers.
• Remove the service plate (1) at the fan compartment.
• Remove dirt from the coolers with a fibre brush. Brush in the direction of the cooling fins.
Remove dirt from the fan with a fibre brush.
•
Clean with an air jet in the reverse direction to normal flow.
• If it is necessary to wash the coolers with a cleaning agent, consult Atlas Copco.
After maintenance on the fan and on the coolers:
Remove the loose parts that are used as cover.
• Mount the service plate (1) at the fan compartment.
Instruction book
2920 7110 00 97