Testing The Safety Relief Valve On The Oil Separator Tank; Venting The Compressor Unit - KAESER SK 19 Service Manual

9.9

Testing the Safety Relief Valve on the Oil Separator Tank

To test the set point of the safety relief valve, the compressor must be run so that its dis-
charge pressure exceeds the maximum pressure set on the SIGMA CONTROL.
See chapter 1.5 for the safety relief valve activating pressure.
Attention!
9.10

Venting the compressor unit

 Switch off the compressor unit (see chapter 8.3).
The oil circulation system of the compressor package vents automatically.
Venting the oil separator tank:
A
B
1 Ball valve
A shut
B open
2 Pressure gauge
3 Hose coupling
Have the safety relief valve tested by an authorized KAESER distribu-
tor in accordance with the maintenance schedule (see chapter 9.2).
For more details see SIGMA CONTROL manual.
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 pro-
cedures.
9
10
8
7
4 Filler plug
(oil top --- up)
5 Oil separator tank
6 Nozzle
7 Minimum oil level
Maintenance
8 Maximum oil level
9 Ball valve --- oil drain
10 Oil drain hose
11 External pressurization
11
6
3
2
4
5
1
9 --- 45