Oil Level Check; Sound Pressure Level - Gardner Denver L15 Original Operating Manual

7. Preparations for commissioning
7.5

Oil level check

DANGER
Air/oil under pressure will cause severe
personal injury or death.
• Shut down the compressor, relieve the
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
Fire hazard and slip hazard!
• Do not spill any oil!
• Look for leaks! Immediately take care of
any spilled oil!
NOTICE
Do not mix oils with different specifications.
If the compressor system is delivered without
oil, oil must first be filled into the pressure
reservoir up to the "maximum oil level" mark.
(For oil filling also see Sections 10.4 and 10.15)
Fig. 13
1 Oil filler cap R1"
2 Oil-level indicator
3 Maximum oil level
4 Minimum oil level
Check the oil level as follows:
Switch off the screw compressor unit by pressing
•

the button (Fig. 15).

Wait at least 5 minutes for the oil to settle and for
•
the air to disperse
The oil level is checked with the help of the
•
transparent plastic tube at the pressure reservoir
(- 2 - Fig. 13) after every stop and at regular
intervals. If required, top up oil
Also see Section 9 "Service and maintenance"
7.6

Sound pressure level

Sound pressure levels are measured according to
PN8NTC 2.2 at full load at an 11-yard distance
(tolerance: +/- 3 dB(A)):
60 Hz compressors
L15
L18
L22
Speed-controlled
compressors
50 Hz/ 60 Hz
L15 RS
L18 RS
L22 RS
Subject to technical revision.
dB(A)
73
74
74
dB(A)
72
73
73
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