Oil Level Check - Gardner Denver ESM 30 Original User Manual

6. Preparations for commissioning
6.4

Oil level check

Danger
Only check the oil level when the screw
compressor unit is out of operation and
depressurized!
The pressure reservoir can be under pressure and
the oil hot. Warning: Danger of scalding!
Do not spill oil! Check for leakage!
1
3
2
4
Fig. 14
1 Oil filler cap R1"
2 Oil-level indicator
3 Maximum oil level
4 Minimum oil level
Important
Do not mix oils of different specifications.
Machines which are delivered without oil must first
be filled to the max. mark in the pressure reservoir
sight glass (see also chapters 8.4 and 8.13)
Check the oil level as follows:
Stop the compressor, with the stop button.
•
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. 14) after every stop and at regular
intervals. If required, top up oil
Also see chapter 8 "Service and maintenance"
6.5 Sound pressure level
Sound pressure level measured in dB(A) according to
ISO 2151 under full load at a distance of 1 m (tolerance:
± 3 dB(A)):
50 Hz compressors
ESM 30
ESM 37
ESM 45
ESM 50
60 Hz compressors
ESM 30
ESM 37
ESM 45
ESM 50
Subject to technical revision.
dB(A)
67
68
69
67
dB(A)
69
70
71
69
35