KAESER KOMPRESSOREN SX, Service Manual, Page: 71 / 122

After automatic venting the pressure gauge does not read zero?
➤ Make sure that the shut-off valve is closed or that the complete air system is vented.
➤ With the shut-off valve closed, insert the male hose fitting
6
into the hose coupling
3
.
➤ Slowly open the shut-off valve
7
to release pressure.
➤ Disconnect the male hose fitting
6
and close the shut-off valve
7
.
➤ If manual venting does not reduce the oil separator tank pressure gauge to 0 bar, call an
authorized KAESER service representative.
Manually venting the air cooler
After shutting down the compressor and venting the oil separator tank, the machine is still under
pressure from the air system or the section from the shut-off valve to the minimum pressure/
check valve.
1. With the shut-off valve closed, insert the male hose fitting
6
into the hose coupling
1
.
2. Slowly open the shut-off valve
7
to release pressure.
3. Disconnect the male hose fitting
6
and close the shut-off valve
7
.
10.13 Topping up the Cooling Oil
The machine must be isolated from the air system and completely vented before undertaking
any work on the pressure system.
Material The maintenance hose with hose coupling and shut-off valve needed for venting is stowed beneath
the oil separator tank.
Precondition The power supply disconnecting (isolating) device is switched off,
the disconnect device is locked in the off position,
a check has been made that no voltage is present.
10 Maintenance
10.13 Topping up the Cooling Oil
9_6919 04 E
Service Manual Screw Compressor
SX SIGMA CONTROL BASIC
61