WARNING
Compressed air!
Compressed air and devices under pressure can injure or cause death if the contained energy is
released suddenly or uncontrolled.
➤ Vent all pressurized components and chambers completely.
Isolate the machine from the compressed air system
➤ Close the user's shut-off valve between the machine and the compressed air system.
If no shut-off valve is provided, the complete compressed air system must be vented.
Vent air from the oil separator tank
WARNING
Escaping oil mist is damaging to health.
➤ Do not direct the maintenance hose at a person while venting.
➤ Do not inhale the oil mist.
➤ Check that the oil separator tank pressure gauge reads 0 psig.
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
atmosphere.
➤ 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 .
10.15.2 Top up with cooling oil and test run
Topping up the Cooling Oil
A sticker on the oil separator tank gives the type of oil it contains.
CAUTION
The machine could be damaged by unsuitable oil
➤ Never mix different types of oil.
➤ Top up only with the same type of oil as already in the machine.
10 Maintenance
10.15 Topping up the Cooling Oil
9_5708 08 USE
Service Manual Screw Compressor
BSD
77
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