Westerbeke 8.0KW-60Hz Service Manual page 39

ASSEMBLY
29. Installation of the cylinder head. Place the cylinder
head in position on
the
cylinder block, making sure the
guide bolts are all in aligmnent with their respective bolt
holes in the head. -
30. Cylinder head bolt tightening
a. Remove the guide bolts and install the bolts that hold
the cylinder head to the cylinder block.
b. Tighten the bolts in number sequence in two or three
steps to the specified torque.
TORQUE: 65
±
4 Ib-fl (9
±
0.5 Kgf-m)
02'
05
4 CYLINDER
'Oa 06 01 03
014 012
on
Ol~
FRONT
08 04
()2
_~
.... 11 .
3 CYLINDER \
""'" .06
01
()3
OS
\ 010
~9
OIl
J
.
. .
31. Valve push rod installation.
. a. Put the valve push rod into position through the bore in
the cylinder head ..
b. Make sure
the
ball end of
the
push rod
has
been put
into position over the top of the tappet.
32. Rocker
sIuiftas~embly.
a. Install the {ocker arms, brackets and springs on the
. rocker shaft. Secure the brackets to the shaft by
tightening the bolts.
b. Make sure the rocker arms move freely.
33. Rocker shaft assembly installation.
a. Install the valve caps in position on the top of the
valves.
b. Put the rocker shaft assembly in position on the
cylinder head. TIghten the bolts that hold the rocker
shaft assembly to the specified torque.
TORQUE: 11.
±
4 Ib:f1 (1.5
±
0.5 Kgf-m)
c. Adjust the valve clearance, see
VALVE CLEARANCE
in
this manual.
34. Rocker cover installation.
a. Make sure the gasket is assembled to the rocker cover,
b. Tighten the bolts that hold the rocker cover to
the
specified torque.
TORQUE: 8.3
±
1.1Ib~ft
(11.5
±
0.15 Kgf-m)
. 35. Tighten the bolts that hold the air intake to the
specified torque. .
TORQUE: 13.4
±
2.5Ib-f1 (1.85
±
0.35 Kgf-m)
36. Tighten the bolts that hold the exhaust manifold to the
specified
to~que.
TORQUE: 13.4
±
2.5Ib-fl (1.85
±
0.35 Kgf-m)
37_ Fnel injection nozzle instaIIation.
a.
Put the gasket on the nozzle.
b. Put the nozzle assembly in position in the cylinder head
and tighten it to the specified torque.
TORQUE: 40
±
4 Ib·fI (5.5
±
0.5 Kgf-m)
38. Put the fuel injection pump in position on the cylinder
block and tighten the bolts that hold the pump to the
specified torque.
39. Put the flywheel assembly in position on the rear end
of the
~el
injection pump camshaft and tighten the
slIding sleeve shaft to the specified torque.
TORQUE: 26 ± 4.3 Ib-ft (3.6 ± 0.6 Kgf-m)
40. Install the sliding sleeve 'on the sliding sleeve shaft and
make sure the sleeve moves freely.
41. Fnel injection nozzle installation.
a. Install the governor assembly in position while putting
the tie rod and spring into position in the injection ,
pump.
b. Install the tie rod to the pin of the control rack and
secure it with the tie rod spring.
c. Install
the
tie rod cover in position.
42. Fnel injection line installation •
s.
Put the foelleak-off in position and connect it to the
fuel injection nozzles. .
b. Put the fuel injection lines in position and connect them
to the fuel injection pump. Install
the
clamps.
43. Pressure relief valve installation. Put the relief valve in
position on the cylinder block and tighten it to the
'specified torque. .
TORQUE: 36 ± 4 Ib-f1 (5 ± 0.5 Kgf-m)
. 44. Install the 1.';1 filter. Lightly lubricate the gasket with
engine oil and install the new filter element
by
hand.
When the gasket contacts the base, tighten one more turn.
45. Coolant pump. Check the impeller and shaft for rotation,
If
they do not rotate freely or have noise, replace the
coolant pump assembly.
. '46. Put a new gasket in p'osition on the water p';'mp
. flange. Install the water pump onto the cylinder block,
GASKET
COOLANT PUMP
Engines & Generators
33
)