Maintenance 6.3 Maintenance work compressor
Page 58 BOGE Operating instructions for C 15 series screw compressors
– Switch off the compressor using the OFF button.
Draining old oil
Fig. 6.7: Solenoid valve on the suction controller with the cap nut screwed on
Fig. 6.8: Oil drain from oil compressed air receiver
WARNING: Risk of injury!
Prior to any maintenance and servicing work take all necessary safety pre-
cautions described on page 44!
Do not vent compressor completely so that a pressure cushion is still availa-
ble.
– Switch off compressor. After ap-
prox 2 sec screw cap nut (see ar-
row) on the bleed aperture of the
solenoid valve (the nut is located
in the storage compartment of the
switch cabinet).
WARNING: Risk of injury!
Danger of burning due to hot oil!
Always wear safety gloves!
– Remove blind plu (1) at oil drain
(3) with the tap closed.
– Fit oil drainage hose (2). (The
hose is located on the machine)
– Place the oil drain hose into a
suitable container.
– Slowly open the stop valve.
The pressure cushion forces the
oil into the container.
– Once the compressed air/oil
receiver has been completely
drained, close the stop valve.