Westerbeke W-46 - Page 71

·TIGHTENING TORQUE SPECIFICATIONS
Important bolts and nuts
kg-m (lb-ft)
Threads
Secured part or component
Diameter - Pitch
Tightening torque
Cylinder head
12
-
1.75 12
(86)
Main bearing cap
12
-
1.75
8.5
(61)
Connecting rod bearing cap
10
- 1.0
5.5
(40)
Flywheel
12 - 1.25
8.5
(61)
.
Camshaft thrust plate
8
-
1.25 1.8
(13)
Front plate
8
-
1.25
1.0
(7)
Timing gear case
8
-
1.25
1.0
(7)
Crankshaft pulley
24
-
1.5
40
(288)
Rear plate 10
- 1.25 3.5
(25)
Idler thrust plate
10
-
1.25 3.5
(25)
Rear oil seal
6
-
1.0
0.4
(3)
Oil pan
8
-
1.25 0.7
(5)
Oil pan drain plug 18 -
1.5
10.0 (72)
Rocker shaft bracket
8 - 1.25
1.5
(11)
Injection pump delivery valve
3.0
(22)
holders
Nozzle holder retaining
nuts
5.0
(36)
General bolts and nuts
Tightening torque
Screw thread
With spring washer Without spring washer
dia.
pitch
kg-m
lb-ft kg-m
lb-ft
8
1.0 1.8 13
2.2 16
1.25 1.8 13
2.1 15
10
1.25 3.6
26
4.2 30
1.5 3.4
25
4.0
29
12
1.25"
6.5 47 7.6
55
1.75 6.0 43 7.1 51
14
1.5
10.4 75 12.2 88
2.0 9.8
71 11.5 83
16
1.5
15.8
114
18.6
135
2.0
15.0 108 17.6 127
18
1.5
22.9
166
26.9
195
2.5
20.7
150 24.4
176
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