Oil Top; Draining The Oil Using Own Compressed Air - KAESER SM 8 Service Manual

9.14.2 Oil top -- off
 Unscrew the oil filler plug (4) on the oil separator tank.
Attention!
 Top off the oil to the maximum mark.
See chapter 1.7 for the quantity of oil.
 Check the gasket ring of the filler plug (4) for damage and then screw in the filler plug.
9.14.3

Draining the oil using own compressed air

 Shut down the compressor unit under full load (see chapter 8.3).
The compressor unit oil circulation system vents automatically.
 The pressure gauge on the oil separator tank must indicate zero psig.
 Close the vent line ball valve (1).
 Start the compressor package (see chapter 8.3) and allow to run for approximately 30
seconds.
 Stop the compressor package under full load (see chapter 8.3).
 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
chapter 9.14.1).
 Open the shut ---off valve (1).
 Top off the oil. Proceed as detailed in chapter 9.14.2).
 Close all maintenance doors and reattach all cover panels.
Maintenance
Always use the same brand and type of oil when topping off the oil.
(see label on the oil separator tank).
During an oil change, drain the old oil completely and always replace
the oil filter.
Never mix different oil types or brands.
Oil recommendations see chapter 1.8
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.
Close all maintenance doors and panels correctly before starting the
compressor package.
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.
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