Mitsubishi 4G1 Service Manual page 275

Push rod
Front
INSTALLATION SERVICE POINTS
PISTON PIN INSTALLATION
Fit the correct piston support on the top of the base. Insert
the press pin, threaded end up, into the hole in the piston
support until the press pin touches the stop screw.
(2) Using the graduations on the press pin, adjust the stop
screw to the correct depth of 50 mm (1.97 in.)
(3) Place the base on the press support blocks.
(4) Slide the piston pin over the threaded end of the press pin,
and thread the correct guide pin up against it.
(5) Coat the piston pin with oil, and with the connecting rod
held in position, slide the guide pin through the piston and
the connecting rod.
(6) Press the piston pin through the connecting rod until the
guide pin contacts the stop screw.
(7) Remove the piston assembly from the base. Remove the
epth set
guide pin and the press pin from the assembly.
ion
IMPORTANT:
Due to production tolerance variations, it is necessary
to visually inspect the piston pin depth after installa-
tion to verify that the piston pin is centered. Adjust if
necessary.
Guide A
OIL RING INSTALLATION
(1) Fit the oil ring spacer into the piston ring groove.
NOTE
The side rails and spacer may be installed in either direction.
(2) Install the upper side rail.
To install the side rail, first fit one end of the rail into the
piston groove, then press the remaining portion into
position by finger. See the illustration.
Revision
TSB