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
To Next Page
Loading...
Need help?
General
