PROALL P Series, Service Manual, Page: 79 / 118

79
12.4 RETURN FILTER REPLACEMENT
WARNING!
Ensure truck is off before performing any maintenance on the return filter. The filter will always have charge
pump flow going through it even if all the mixer functions are off.
Removing the element:

Depressurise the system and clean the filter lid of any
dirt or debris.

Loosen the lid bolts using a 13mm wrench. The lid will
rotate if the bolts are loosened off enough, so the bolts do
not need to be removed completely.

Remove the diaphragm and safety filter assembly .

Remove the filter element .

Collect the spent oil and cartridge in a suitable container
and dispose of them in compliance with statutory
legislation.
Replacing the element:

Lubricate the filter element seal and diaphragm seal with
the operating fluid. Fix the element on the diaphragm.

Insert the element back into the bowl.

Check the condition of the lid seal . If renewing,
lubricate the new seal with the operating fluid before
installing.

Re-install the filter lid.
Lid O-Ring 177 x 4
Bowl O-Ring 98.02 x 3.53
Head O-Ring 123.19 x 5.34
A
A
B
E
B
C
D
C
D
F
E
F