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F8QT ENGINE -
Pistons and Piston Pins
11A-21-2
A
B
"
PISTON RING REMOVAL
INSPECTION
PISTON PIN/CONNECTING ROD/PISTON
(1) Measure the clearance between the piston pin
2
and
the piston
7
. Replace the part in question if the clearance
exceeds the limit value.
PISTON RING GAP
(1) Insert the piston rings
4, 5, 6
in the cylinder bore of the
cylinder block with the aid of the piston
7
.
(2) Hold t he piston rings
4, 5, 6
in this position and measure
the ring gap with a feeler gauge. Fit new piston rings
if the measured value exceeds t he limit value.
Caution
D
Use the piston 7 so that the piston rings 4, 5,
6 are aligned in the cylinder bore at right-angles
to the wall.
D
The piston rings 4, 5, 6 must be located in the
lower part of the cylinder bore which is subjected
to less wear.
D
Replace the piston rings 4, 5, 6 as a set.
CLEARANCE BETWEEN PISTON RING AND PISTON
RING GROOVE
(1) Replace the part in question if the clearance exceeds
the limit value.
Caution
D
Always use new piston rings for measuring.
D
Remove all traces of carbon deposits from the
piston ring grooves in the piston 7 before
measuring. Measure the lateral clearance around
the entire circumference of the piston ring groove.
D
The piston rings must be replaced as a set.
PWEE9602
E
July 1996Mitsubishi Motors Corporation
03638
MH060014
4ME0256
7
2
REN0117
15 mm
4ME0258