KAESER CSD 75 - Draining the Oil Using Own Compressed Air; Procedure for Putting Back into Operation

Maintenance
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9.12.3 Draining the oil using own compressed air
 Shut down the compressor unit under full load (see chapter 8.4).
Lock the main disconnect in the ”off” position in accordance with ap-
plicable lock out/tag out procedures to ensure the compressor does
not restart.
Lock the isolation shut--off valve in the ”closed” position and vent all
compressed air trapped between the compressor and the isolation
shut--off valve in accordance with applicable lock out/ tag out proce-
dures.
The compressor unit oil circulation system vents automatically.
 Remove cover panel (3, siee chapter 9.2).
 The pressure gauge on the oil separator tank must indicate zero psig.
 Close the vent line ball valve (1).
 Close all maintenance doors and reattach all cover panels.
 Start the compressor package (see chapter 8.4) and allow to run for approximately 30
seconds.
 Stop the compressor package under full load (see chapter 8.4).
Lock the main disconnect in the ”off” position in accordance with ap-
plicable lock out/tag out procedures (example: OSHA CFR 29
§ 1910.147) to ensure the compressor does not restart.
 Open the cover panel (2 and 3, see chapter 9.2).
 Check the actual pressure on the pressure gauge (2). Open the shut---off valve (1), let
the pressure on the pressure gauge (2) sink to approximately 40 psig and then close
the shut---off valve (1) again.
 Drain the oil from the oil separator tank and the oil cooler. Proceed as detailed in chap-
ter 9.12.1).
 Open the shut---off valve (1).
 Top off the oil. Proceed as detailed in chapter 9.12.2).
 Close all maintenance doors and reattach all cover panels.
9.12.4 Procedure for putting back into operation
 Refer to chapter 7.8.1 and follow the instructions in section ‘‘Pouring a small quantity
of oil into the air inlet port” .
 Refer to chapter 7.8.2 and followthe instructions in section ”Running the compressor
package in idle”.
 Refer to chapter 9.9 and follow the instructions in section ‘‘Venting the compressor
package”.
 Top off with oil again (see chapter 9.12.2).
 Open the shut---off valve between the compressor package and the air system.
 Start the compressor package (see chapter 8.4) and run until working temperature is
reached (see chapter 1.1).
 Top off the oil, see chapter 9.11.