Mitsubishi Eclipse 1990 Service Manual page 138

11
ENGINE OVERHAUL
Roller
INSPECTION
CAMSHAFT
(1) Measure the cam height.
Intake
Exhaust
ROCKER ARM
(1) Check the roller surface. If any dents, damage or seizure
is evident, replace the rocker arm.
(2) Check rotation of the roller. If it does not rotate smoothly
or if looseness is evident, replace the rocker arm.
(3) Check the inside diameter. If damage or seizure is evident,
replace the rocker arm.
LASH ADJUSTER LEAK DOWN TEST
Caution
1. The lash adjuster is a precision part. Keep it free
from dust and other foreign matter.
2. Do not disassemble lash adjuster.
3. When
(1) Immerse the lash adjuster in clean diesel fuel.
(2) While lightly pushing down inner steel ball using the special
tool, move the plunger up and down four or five times
to bleed air.
Use of the special tool helps facilitate the air bleeding
of the rocker arm mounted type lash adjuster.
(3) Remove the special tool 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
Upon completion of air bleeding, hold lash adjuster
upright to prevent inside diesel fuel from
TSB Revision
Rocker
Standard value mm (in.)
34.91 (1.37)
34.91 (1.37)
lash adjuster, use
.
Limit mm (in.)
34.41 (1.36)
34.41
diesel fuel