After automatic venting the pressure gauge does not read zero?
➤ Make sure that the shut-off valve is closed or that the compressed air system is vented to
atmospheric.
➤ 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.
➤ Withdraw the male hose fitting
6
and close the shut-off valve
7
.
➤ If manual venting does not bring the oil separator tank pressure gauge to 0 psig, call an
authorized KAESER Service representative.
Vent air manually from the air cooler.
After shutting down the compressor and venting the oil separator tank, there is still pressure on
the machine from the compressed air system or in 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. Withdraw 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 compressed air system and completely vented before
undertaking any work on the pressure system.
Material The hose coupling, shut-off valve and maintenance hose lie beneath the oil separator tank.
Precondition The power supply disconnecting device is switched off
The disconnecting device is locked in the off position
A check has been made no voltage is present
10 Maintenance
10.13 Topping up the Cooling Oil
64
Service manual Screw compressor
Aircenter SX 3/7.5 SIGMA CONTROL BASIC
Number: 9_6945 01USE
