CYLINDER
BLOCK
SERVICE
PISTON
RING
POSITIONS
RING
GAP
POSITIONS
ENGINE
FRONT
PISTON,
m
NO.1
~BNO.;
~~NO.3
<lOll
PISTON
RINGS
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'..
,.§>'
'~~.
..
~
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14. Install the piston and connecting rod assembly from the
top
of
the cylinder block using a ring band.
In
this case,
make certain the piston ring gaps are properly positioned
and the arrow mark on the piston faces the front
of
the
engine. After insertion, install the connecting rod end
halves
in
place and tighten the rod cap bolts to the speci-
fied torque. Apply oil to the bearing surfaces before
assembly
of
the connecting rod ends.
15. Install the front plate. Remember to install the gasket and
dowel pin.
16. Tum the crankshaft until the
No.1
cylinder piston comes
to the top dead center.
17. Align the keyway in the crankshaft gear with the key on
the crankshaft. Install the gear on the shaft.
1
GEA~
MATING
MARKS
18. Align the mating mark
~'1"
on the idler gear with that on
the crankshaft gear; install the idler gear on the idler
shaft. Insert the camshaft and gear assembly into the
cylinder block so that the mating mark
"2"
on the
camshaft gear aligns with that on the idler gear. Then
insert the injection pump camshaft assembly into the
cylinder block and align the mating mark
"3"
on the
pump gear with that on the idler gear
..
Finally, install the
injection pump drive shaft gear assembly.
19. Confirm that mating marks on the gears are in proper
alignment with each other.
20. Fit the governor weight assembly to the injection pump
cam gear.
21. Install the gear case
(wfth the governor and related parts
previously installed) and gasket. When installing the gear
case, insert the tie-rod and tie-rod stopper spring into the
hole
in
the cylinder block so to position
it
next to'the
injection pump fuel rack.
Engines & Generators
29
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