Changing The Fine Oil Separator - Gardner Denver L Series Service Manual

Fig. 17
1. Oil filter cartridge
The changing intervals can be found in the
maintenance schedule.
Replace the oil filter cartridge as follows:

Switch off the screw compressor unit, secure it
against an accidental restart and ensure that it is
depressurized.

Wait at least 5 minutes until the oil has settled, i.e.
until the air has bubbled out.

Unscrew the oil filter cartridge (-1- Fig. 17) with a
suitable tool

Dispose of the oil filter cartridge properly

Lightly oil the seal of the new oil filter cartridge

Screw on the new oil filter cartridge and tighten by
hand (see the notes on the oil filter cartridge)

Let the screw compressor unit run for approx.
2 minutes

Check for leaks

Check the oil level (see Section 7.4)

If necessary, top up the oil.
Changing times for oil filter cartridges
Operating conditions (e.g., coolant temperatures), the
type of operation and the quality of the intake air (e.g.,
dust content, ratio of gaseous foreign substances such
as SO and solvent vapors) have a strong influence on
2
the filter lifespan (air filter, oil filter, fine separator).
In these cases the intervals between changes may be
shorter

10.6 Changing the fine oil separator

Air/oil under pressure will cause severe
personal injury or death.
 Shut down the compressor, relieve the
Fig. 18
13-25-638 v03 Page 44
DANGER
system of all pressure, disconnect,
lockout and tagout the power supply to
the compressor package before
removing valves, caps, plugs, fittings,
bolts and filters.
CAUTION