78
Lubrication system
Oil screen and suction pipe,
replacement
(18A-04)
The oil screen is an integrated part of the suction
pipe. No regular service is required, but clean the
oil screen when it is dismantled.
1
Remove the oil pan, operation 18A-03.
2
Remove the screw securing the bracket to the main
bearing cap.
3
Remove the screws at the suction pipe flange and
remove the suction pipe and screen. Remove the
O-ring (A1). Clean the flange surface on the cylin-
der block and the suction pipe.
4
Install the suction pipe bracket loosely to the cor-
rect main bearing cap. Install the suction pipe to the
oil pump with a new O ring. Tighten the screws.
Tighten the mounting screws for the suction pipe
bracket, ensure that the suction pipe is not subject-
ed to tension.
5
Install the oil pan, operation 18A-03 and fill it to
”MAX” on the dipstick with an approved engine oil.
Oil screen and suction pipe,
inspection (18A-05)
1
Clean the unit in kerosene and dry it carefully.
2
Check the pipe, screen and welded joints for cracks
and other damage. Check that the mounting bracket
is well tightened.
3
If a damaged component cannot be welded correctly
the whole unit should be replaced.
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