Comprag D-4508 [25/92] Replacing oil and oil filter

COMPRAG Screw air compressor D-Series

5.3

Replacing oil and oil lter

Open the front panel and turn the ll

plug (2) one revolution in order vent

system pressure. Remove the ll plug.

Remove plug from the drain valve (1)

at the bottom of the Air-Oil separation

tank. Drain the oil into a dedicated

vessel from the separator tank after

opening the drain valve. Fill the Air-Oil

separation tank with oil

ntil it is level

with the middle of the sight glass. Ret

and tighten the drain valve plug and

the

ll plug.

Fig. 5.3.1 Oil replacing

Open the front side panel. Remove the oil

lter (1) using a special Oil Filter Wrench.

Drain the oil from the lter into a dedi

ca-ted vessel and clean the lter seat.

Oil the gasket of the new oil lter and

screw it into place. Only tighten oil lter

by hand. Start up the compressor.

Stop the compressor and let it run idly

for several minutes in order for the oil to

circulate and air to be extracted from the

oil system. Wait several minutes until the

oil settles and the inner pressure drops.

If necessary, unscrew the ll plug and

add oil until it is level with the middle of

the sight glass.

Place the ll plug into its

initial position

and tighten it.

Fig. 5.3.2 Oil replacing