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6G7 ENGINE (E-W) -
Rocker Arms and Camshaft
11A-9-2
REMOVAL SERVICE POINTS
A
A
"
LASH ADJUSTER
(1) Before removing the rocker arms an d rocker arm shafts,
install the Special Tools to prevent the lash adjusters from
falling off.
INSPECTION
CAMSHAFT
(1) Measure the cam height.
Standard value:
IN: 37.71 mm
EX: 37.14 mm
Limit:
IN: 37.21 mm
EX: 36.64 mm
LASH ADJUSTER LEAK DOWN TEST
Caution
D
The lash adjuster is a precision part. Keep it free from
dust and other foreign matters.
D
Do not disassemble lash adjuster.
When cleaning lash adjuster, use clean diesel fuel
only.
(1) Immerse the lash adjuster in clean diesel fuel.
(2) While lightlypushing downinnersteel ballusing theSpecial
Tool (Air bleed wire MD998442), move the plunger up
and down four or five times to bleed air.
Use of the Special Tool (Retainer MD998441) helps
facilitate the air bleeding of the rocker arm mounted type
lash adjuster.
(3) Remove the Special Tool (Air bleed wire MD998442) and
press the plunger. If the plunger is hard to be pushed
in, the lash adjuster is normal. If the plunger can be pushed
in all the way readily, bleed the lash adjuster again and
test again if the plunger is still loose, replace the lash
adjuster.
Caution
D
Uponcompletion ofair bleeding,hold lash adjuster
upright to prevent inside diesel fuel from spilling.
(4) After air bleeding, set lash adjuster on the Special Tool
(Leak down tester MD998440).
(5) After plunger has gone down between 0.20 to 0.50 mm,
measure time taken for it to go down a further 1 mm.
Replace if measured time is out of specification.
Standard value: 4 - 20 seconds/1 mm
<Diesel fuel at 15 - 20
_
C>
PWEE9615
E
Dec. 1996Mitsubishi Motors Corporation
6AE0160
MD998443
9EN0058
7EN0721
Diesel fuel
8EN0059
MD998440
Lash adjuster
Graduation
(1 mm)