KAESER ASK 28, Руководство по эксплуатации

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5. Slowly open the shut-off valve
7
and allow cooling oil and air to escape completely until the
pressure gauge reads 0 bar.
6. Close the shut-off valve
3
and unplug the male hose fitting.
➤ Dispose of used oil in accordance with environment protection regulations.
Draining the oil from the airend
Fig. 32 Changing the cooling oil Compressor block
2
Hose coupling (oil drainage)
3
Shut-off valve
4
Screw plug
5
Belt guard
6
Plug-in nozzle
7
Shut-off valve
8
Maintenance hose
9
Belt pulley
1. Prepare a cooling oil receptacle.
2. With the shut-off valve closed, insert the plug-in nozzle
6
into the hose coupling
2
.
3. Place the other end of the maintenance hose in the oil receptacle and secure it in place.
4. Open the shut-off valves
3
and
7
.
5. Loosen the screw plugs
4
and lift the belt guard
5
.
6. Rotate the pulley
9
for at least five times to ensure that the entire cooling oil has drained off.
7. Replace the belt guard and tighten the screw plugs.
8. Close the shut-off valve
3
and unplug the male hose fitting.
Result The cooling oil is drained from the airend.
A small amount of cooling oil may flow back into the oil separator tank as a result of turning the
pulley.
Repeat the procedure for draining oil from the separator tank to remove this oil.
➤ Dispose of used oil in accordance with environment protection regulations.
10 Maintenance
10.16 Changing the cooling oil
901824 12 E
Operating Manual Screw Compressor
ASK
77