Service manual
ENGINE
ASSEMBLY
19. Assemble
the
new gasket
set
(lower block).
a. Position the gasket ends A
on
the gaskets B and C.
b.
Apply a silicon sealing agent on the mating surfaces
of
the gasket and that between the cylinder block and the
timing gear case.
c. Install the lower block making certain the lower block
gasket is perfectly aligned. Tighten the bolts evenly .
.
Lower
block
Bolt
Torque(ll2
in
socket)
12
-
17
ft-Ib
(1.6
-
2.3
m-kg)
20. Install the oil
pan
gasket
and
the oil
pan
(sump).
Oil
Pan
Bolts
Torque
(9116
in
socket)
12
-17
ft-Ib
(1.6
-
2.3
m-kg)
. 21. Attach the
back
plate.
Back
Plate
Torque
(9/16
in
socket)
23.9
-
35
ft-lb(3.3
•
4.8
m-kg)
22. Install the flywheel. Install the flywheel onto the rear end
of
the crankshaft by placing
it
on
the crankshaft and rotat-
ing
it
to properly align the mounting bolt holes. Install the
tabwasher and the attaching bolts. After torquing, bend
one tab against the flat
of
each attaching bolt.
Flywheel
Bolts
Torque
(19
mm
socket)
112
ft-Ib
(15.5
m-kg)
TABWASHER
23_
Install the
raw
water
pump.
Mount the raw water pump
on its adapter plate and assemble
it
to the engine.
Do
not
tighten.
24. Install the
crankshaft
pulley. Apply engine oil onto the
lip
of
the oil seal. Carefully slide the front crankshaft pul-
ley onto the crankshaft ensuring that the key in the crank-
shaft and the keyway in the pulley mate properly. Apply
Loctite (high temperature) to the threads
of
the front
crankshaft pulley holddown bolt when installing it.
Ensure the flat washer is under the head
of
the bolt.
Front
Crankshaft
Pulley
Bolt
Torque
(38
mm
socket)
253
-
289
ft-Ib
(3~
-
40
m-kg)
--
..
26. Position the cylinder head.
27.
Insert
the pushrod. Check
if
the push rod is securely set
in the tappet concavity.
~
~
INCORRECT
TAPPET'
CAM
28. Position the valve cap
on
the top
of
the
valve stem. It
should
beset
squarely on the valve stem.
29. Install the
rocker
arm
assembly onto the cylinder
head.
Remember that the end
of
the rocker shaft having
the pin occupying the slot in #1 rocker support points
toward the front (pulley) end
of
the engine.
30. Tighten the cylinder
head
bolts. Tighten the cylinder
head
b?lts evenly in the sequence shown. After tightening
the
cylInder head bolts, make certain the rocker arms
move smoothly.
Cylinder
Head
Bolts
Torque
(3/4
in
socket)
85
-
90
ft-Ib
(11.8
-12.5
m-kg)
Engines & Generators
27