Screw Connections; General Maintenance And Cleaning; Clean / Change Filter With Cooling Air Inlet And Switch Cabinet Inlet - Gardner Denver L15 Original Operating Manual

10. Service and maintenance

10.11 Screw connections

The Screw connections of the air and oil circuits have to
be checked and, if required, re-tightened according to
the maintenance schedule.
Check the hose and piping for unsealed areas.

10.12 General maintenance and cleaning

Warning
Danger when cleaning system parts with
compressed air: Small parts propelled at
high speed by compressed air can
penetrate the skin or destroy an eye.
• Do not aim the compressed air at people
CAUTION
Fire hazard from oil residues
Oil residue and other deposits must be
removed from the compressor coolers
which are exposed to hot air in accordance
with the user manual.
The screw compressor should be blown off with
compressed air at the given intervals (do not aim the
compressed air at people), especially:
Controller components
Fittings
•
Air end block
•
Cooler
•
Electric Motor
•
10.13 Clean / change filter with cooling air
inlet and switch cabinet inlet
DANGER
Only perform checks and carry out work on
the screw compressor when the unit is out
of operation, depressurized, and secured
from being switched on again!
Fig. 23
1 Filter mat cooling air intake
2 Mounting bolt
3 Bottom access panel
4 Intake filter (only L15 RS - L22 RS)
5 Outlet filter (only L15 RS - L22 RS)
a) Perform filter mat change as follows:
* Remove mounting bolt (- 2 - Fig. 23).
* Remove filter mat (- 1 - Fig. 23) and clean,
exchange if damaged.
* Re-insert filter mat in the bottom access panel
(- 3 - Fig. 23).
* Secure filter mat by means of the mounting bolt.
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