Mitsubishi 4DQ50 - Bleeding (or priming)

cleansing oil will remove dirt on the surface but surely affect the texture of
paper, involving a drop of its filtering efficiency. When filter disassmebled for
that, wash the interior of filter case clean of dirt. After assembling it with a
new element
in, make a bleeding (or priming) without fail.
3)
Joint on the side of
Bleeding plug
filter case
is inlet
and
that on its bot-
tom
is outlet. Be
careful not to con-
nect wrong
pipes
with
them. (Refer
to
"Fuel
system
diagram".)
4)
In inlet
joint of
fuel feed
pump
that connect pipe
from
fuel tank
is
placed a strainer to
filter off large dust
particles.
Clean it
every
120Hr of
run. If choked with
dirt, fuel feed will
go down.
1.
Filter cover
2.
Gasket
3.
Element
4.
Spring
5.
Filter case
6.
Bolt
7.
Drain plug
B.
Bolt
9.
Air plug
¢=
Fig. 3-15 Fuel filter
- 23-
~
Spring