TORQUE
SPECIFICATIONS
NOTE
·For "*" marked screws,
bolts
and
nuts
on the table,
apply
engine
oil
to
their
threads and seats
before
tightening.
The letter
"M"
in
Size x Pitch means that
the
screw,
bolt
or
nut
dimension
stands
for
metric.
The
size
is
the
nominal
outside
diameter
in mm
of
the threads. The
pitch
is
the
nominal
distance
in
mm
between
two
threads.
Item Size x
Pitch
N·m
kgf·m
ft-Ibs
Cylinder head cover screw
-
6.9 to 11.3 0.7
to
1.15
5.1
to
8.32
'Cylinder head screw
M12x
1.25
98.1
to 107.9 10.0
to
11.0
72.3 to 79.6
'Connecting rod screw
M10 x 1.25
78.5 to 83.4
8.0
to 8.5
57.9
to
61.5
'Flywheel screw
M12 x 1.25
98.1
to 107.8 10.0
to
11.0
72.3 to 79.6
'Crankshaft screw
M16x1.5
255.0 to 274.6
26.0
to
28.0
188.1
to
202.5
'Main
bearing case screw
M14x1.5
137.3to
147:1 14.0 to 15.0
101.3 to 108.5
Rocker arm
br
dcket screw
M10x1.25
49.0 to 55.9 5.0
to
5.7
36.2
to
41.2
Nozzle holdor assembly
M20 x 1.5
49.0 to 68.6
5.0 to
7.0
36.2
to
50.6
..
Nozzle holder
-
34.3 to 39.2 3.5 to 4.0
25.3
to
28.9
Injection pipe retaining nut
M12 x 1.5
22.6 to 36.3
2.3
to
3.7
16.6 to 26.8
Overflow pipe assembly retaining nut
M12x1.5
19.6 to 24.5 2.0
to
2.5 14.5
to
18.1
Oil switch taper screw
R
1/8
14.7 to 19.6 1.5 to 2.0 10.8
to
14.5
Oil cooler joint screw - 39.2
to
44.1 4.0 to 4.5 28.9 to 32.5
Oil pump cover screw - 7.9 to 9.3 0.80
to
0.95 5.8 to 6.9
Glow plugs
M10
x 1.25
19.6 to 24.5
2.0
to
2.5 14.5
to
18.1
Starter's terminal B mounting nut
M8 x 1.25
9.8
to
11.8 1.0 to 1.2 7.2
to
8.7
Injection pump gear mounting nut
M14x1.5
73.6 to 83.4
7.5 to 8.5 54.2
to
61.5
Injection pump unit mounting nut
M8
x 1.25
17.7
to
20.6 1.8 to
2.1
13.0t015.2
Gear case cover
M8 x 1.25
23.5 to 27.5 2.4 to 2.8 17.4
to
20.3
Relief valve
retaining screw
-
68.6 to 78.4 7.0 to 8.0 50.6
to
57.9
Idle gear mounting screw
M8
x 1.25
23.5
to
27.5 2.4 to 2.8 17.4 to 20.3
Plate
mounting screw
M8 x 1.25
23.5
to
27.5 2.4
to
2.8 17.4
to
20.3
Camshaft set screw
M8
x 1.25
23.5
to
27.5
2.4 to 2.8 17.4
to
20.3
Flywheel
housing mounting screw
M12 x 1.25
77.5
to
90.2 7.9
to
9.2
57.1
to
66.5
Crankcase 2 mounting screw
M10 x 1.25
49.0
to
55.9 5.0 to 5.7
36.2
to
41.2
Injection pump mounting screw
M8
x 1.25
23.5 to 27.5 2.4 to 2.8 17.4
to
20.3
Injection pump mounting nut
M8
x 1.25
17.7 to 20.6
1.8t02.1
13.0
to
15.2
Boost Actuator -
39.2
to
45.1
4.0
to
4.6
28.9
to
33.3
Governor weight mounting nut
M12 x 1.25
62.8
to
72.6
6.4 to 7.4 46.3
to
53.5
Fuel camshaft stopper mounting screw
-
7.9
to
9.3 0.80
to
0.95 5.8
to
6.9
"""
WESTERBEKE
Engines & Generators
70
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