Installation manual
ENGINE
TORQUE
SPECIFICATIONS
MAJOR
BOLTS
AND
NUTS
TORQUE
Width
Clamp
Bolt or Nut
Diameter Pitch
across flats
length
kg -m
ft-
lb
N-m
Alternator
Bracket
3.8-5.3
27-38
36.6
Back
Plate
3.3-4.8
24-35
32.5
Connecting
Rod
Cap
M9
1.0
14
3.55±0.25
27±7 2
34.8±2.5
Coolant
Pump
1.6
±2.4
12-17
17.2
Coolant
Pump
Pulley
1.6
±2.4
12-17
17.2
Coolant
Temperature
Sender
1.2±1.8
9-13
12.2
Coolant
Temperature
Switch
1.2±1.8
9-13
12.2
Crankshaft
Pulley
Nut
M18
1.5
27
17.5±2.5
127
±
18
172±25
Cylinder
Head
Bolt
M10
1.25
14
87
9±0.5
65
± 4
88± 5
Delivery
Valve
Holder
---
19
4.5±0.5 32±5 4
44± 5
Engine
Mounts
3.2±4.7
23-34
31.1
Exhaust
Manifold
1.6±2.4
12-17
7.2
Flywheel
Bolt
M12
1.25
19
29
13.5±0.5 98±4
132±5
Fuel
Filter
Assembly
4.6±6.8
33-49
44.7
Fuel
Injection
Nozzle
Holder
M20
1.5
21
5.5±0.5 40±4 4
54±5
Fuel
Injection
Pipe
Nut
M12
1.5
3±0.5 22±4
29±5
Fuel
Leak-Off
Pipe
Nut
M12
1.5
18
2.75±0.25
20± 2
27±2.5
Fuel
Solenoid
Locknut
4.0±5.0
28.9±36.2
39.18
Glow
Plug
M10
1.25
12
60
1.75±0.25
12±7 2
17.2±2.5
Glow
Plug
Connection
Plate
M4
0.7
8
0.125±0.025
0.9±0.2 1.2±0.2
Intake
Manifold
1.6
±2.4
12-17
16.2
Main
Bearing
Cap
Bolt
M10
1.25
17
81
5.25±0.25
38±2
51.5±2.5
Oil
Filter
M20
1.5
1.2±0.1
8.7±
0.7
12±1
Oil
Pan
Bolt
M8
1.25
12
25
2.8±0.3. 20.3±2.2
27±5.3
Oil
Pan
Drain
Plug
M14
1.5
22
10
40±5
'
29±4
39±5
Oil
Pressure
Sender
1.2±1.8
9-13
12.2
Oil
Pressure
Switch
PT1/8
26
11
1 ±0.2
7.2±1.4 10±2
Pressure
Refief
Valve
M22
1.5
22
33
50±5
36±4
49±5
Rear
Plate
Bolt
(stamping)
M8
1.25
12
16
1.15
±
0.15
8.3
±
1.1
11.3
±
1.5
Rear
Plate
Bolt
(standard)
M12
1.25
17
28
6.5±1 47±7
64±10
Retaining
Nut
for
Delivery
M16
0.75
19
3.75±0.25
27±2
37±2.5
Valve
Holder
Body
Rocker
Cover
Bolt
M8
1.25
12
40
1.15
±0.15
8.3±1.1
11.3±1.5
Rocker
Shaft
Bracket
Bolt
M8
1.25
12
581
1.5±0.5
11
±4
14.7±5
Sliding
Sleeve
Shaft
M10
1.25
14
29.5
3.6±0.6 26±4
35±6
Special
Nut
for
M12
1.0
17
2±0.5
14±4
20±5
Torque
Spring
Set
Starter
B
Terminal
M8
1.25
12
1.1
±0.1
80±7
10.8± 1
Stop
Solenoid
M30
1.5
36
4.5±0.5
32±5
4. 44±5
Thermostat
Housing
0.3-0.45
2-3
2.7
Thermoswitch
M16
1.5
17
31.5
2.3±0.4
16.6
± 3
22.6
± 4
1...-IWESTERBEKE
l Engines & Generators
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