4) Install the piston ring in the piston using
piston ring pliers.
5) Identify the mark "Y" or "TOP" on the
ring end to prevent the top and bottom
of the piston ring from being inter-
changed and make the marked portion
face upward.
- 67 -
EQM3071I
6) Adjust the angle among individual pis-
ton ring gaps to 120° and fit a piston
assembling jig onto the piston. Use
care not to match the ring gaps with the
pin direction.
7) Install the bearing by aligning it with the
conn. rod key groove and apply oil to
the bearing and piston.
EFM2069I
8) Position the valve seating surface
toward the tappet hole and insert the
piston with hand.
Take care not to damage the cylinder
liner and piston, and slightly lift and
insert the piston into the cylinder so that
the ring may not be damaged by the fillet
of the liner.
EDM2080I
9) Install the bearing in the conn. rod cap
and apply oil.
10) Make sure that the manufacture num-
bers impressioned on the conn. rod cap
and conn. rod big end are identical, and
install the conn. rod cap by aligning it
with dowel pin.
11) Wet the fixing bolts with oil, semi-tighten
them with hand, tighten them to 15kg
•
m
for 1st stage and 22kg
•
m for 2nd stage
respectively, and finally to specified
torque(28kg
•
m).
EQM3072S
Marked with the name of piston
ring manufacturing company
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