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4G1 ENGINE (E-W) -
Rocker Arms and Camshafts
11A-8-5
PWEE9520
E
Nov. 1995Mitsubishi Motors Corporation
(7) Place the lash adjuster in container C. Then, gently push
down the internal steel ball using special tool MD998442.
Caution
Do not use container C for cleaning. If cleaning is
performed in container C, foreign matter could enter
the pressure chamber when chamber is filled with
diesel fuel.
(8) Stand the lash adjuster with its plunger at the top, then
push the plunger downward firmly until it moves through
its greatest possible stroke. Return the plunger slowly,
then release the steel ball and allow the pressure chamber
to fill with diesel fuel.
(9) Remove the lash adjuster from the container, then stand
the lash adjuster with its plunger at the top. Push the
plunger firmly and check that it does not move. Also,
check that the lash adjuster’s height matches that of a
new lash adjuster.
NOTE
If lash adjuster contracts, perform the operations (7)
through (9) again to fill it with diesel fuel completely.
Replace the lash adjuster if it still contracts after performing
these steps.
(10) Set the lash adjuster on the special tool MD998440 (leak
down tester).
(11)Remove the bolt from the tester, then adjust the height
as illustrated.
(12)After t he plunger has moved downward slightly (0.2 to
0.5 mm), measure the time taken for it to move downward
by a further 1 mm.
Standard value:
3 - 20 second/1 mm [with diesel fuel at 15 - 20
_
C
(59 - 68
_
F)]
PWEE9520-A
E
Dec. 1998Mitsubishi Motors Corporation Revised
MD998442
Diesel fuel
MD998442
Diesel fuel
MD998440
Lash adjuster
Division = 1 mm
Lash
adjuster
Nut