Instruction book
6996 0227 40 89
Unscrew the plug (Dp) in the outlet element housing and drain the oil Collect the oil in a collector
and deliver it to the local collection service. Refit the vent plugs after draining.
7. Remove filler plug (FC).
Fill the oil seperator vessel with oil until the level reaches the top of the oil sight glass.
Take care that no dirt drops into the system. Refit and tighten filler plug (FC).
8. Run the vacuum pump loaded for a few minutes. Stop the vacuum pump.
9. Close the air inlet valve and switch off the voltage.
Wait a few moments for the Vacuum pump to vent the vessel.
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 top of the oil sight glass. (see Operating
instructions /During operation)
Refit and tighten filler plug (FC).
When the oil level is too low, go back to step 7.
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