Oil drain plugs, check valve and gear casing
Vent plug, oil cooler
Step Description
- Run the compressor until warm. Stop the compressor after 3 minutes of unloaded operation. Close
the air outlet valve and switch off the voltage. Wait a few minutes and depressurise by unscrewing
oil filler plug (FC) just one turn to permit any pressure in the system to escape.
- Air cooled units: loosen the vent plug (VP) of the oil cooler and wait for 5 minutes.
- Remove drain plug (DP1) and open drain valve (Dm).
Also drain the oil by removing the drain plug:
•
on the check valve (DP2)
•
on the gear casing (DP3)
- Collect the oil in a collector and deliver it to the local collection service. Refit and tighten the drain
and vent plugs after draining.
Close the drain valve (Dm).
- Remove the oil filter (OF). Be aware that this filter has a left thread connection. Clean the seat
on the manifold. Oil the gasket of the new filter and screw it into place. Tighten firmly by hand.
- Remove filler plug (FC).
Fill the air receiver (AR) with oil until the level reaches the filler neck.
Take care that no dirt drops into the system. Refit and tighten filler plug (FC).
- Run the compressor loaded for a few minutes. Stop the compressor and wait a few minutes to allow
the oil to settle.
Instruction book
178 2920 7109 60
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