Torque Specifications - Westerbeke 7.0 BCG Operator's Manual

TORQUE SPECIFICATIONS
Cylinder Head
Bolts* 36.2·43.4
s.o-6..o
(*See the Torquing. Cylinder Head BOits section.)
Crankshaft
puUeyto
crankshaft.
36.2-43.4
5.0-6.0
Rocker cc>ver.to cylinder bloek
2.9-5.1
0.4-0.7
Spark plug to
Cytlfider
head 10.8-15..2 1.5-2.1
Tuning belt CCM!ir #1 3.2-4.8
0.44-0.66
iming belt cover *2
5.2-7.8 0.72·1.0{!
Timing belt tensioner
23.1-34.7 3.2 -4.8
Valve
adjusting screws 9.4-13.0
1.3 -1.8
OU pan
drain
plug and oil
pan
25,3.32.s 3.5-4.5
Aywheel
boltS
28.9~36.2
4.0-5.0
Exhaust
manlold
8.4-12.6
1.16-1.74
Intake
rnatiifplcl
7.S'· 10.8 1.04-1.56
TABLE OF S'f.ANDAAD HARDWARE TIGHTENING TORQUES
Unless stated otherwise
for
a specific
assembJy,
use the following torque values When tightening standard
hardware.
Pitch lb-ft
kg-m
Grade4T
Gm.di ZI. 8I imd
a.a
6mm bolt head/nut
1
2.9- 5.1
0.4- 0.7
arnm
bolt head/nut
1
s.e ·
8.7
armn
bolt
head/nut 125
7.2- 11.6 1.0- 1.6
amm
bolt head/nut 1,25
14.5. 21.7
1omm
bait
head/nut ' • 1.25 13.7· 22.4
1.9. 3.1
10mm
bolt
head/nut
1.2$
28,9·
a..e
1 omm .bolt
h.Unut 1.5
13.0- 21.7
1.8- 3.0 1omm
bolt head/nllt 1..5
26.8-
3:7.6·
12mm
bolt
head/nut
.. 1,25 (ISO}
25.3 • 39.8
3.5. 5.5
12nvn bolt
head/nut
1.25(1$0) 542-~7?~9
12mm
bolt
head/nut
1.5 25.3- 39,8 3.6- 5.5
12mm
bolt
head/nut 1.5 50.6.
65;1
1amm:PcJ1t
m.itnut
1.75 21.7·~
36.2 3.0- 5.0
12mm
bolt
head/nut
1.75 43.4. 61~
13mm
bolt
head/nut
1.5
32.$- 50,6
4.6- 7.0
13mn.l bolt
head/nul 1.5
67.9- 86.8
1~
bOlt
headfl1Ut
1.5
36.2- 57.9 5.0- 8.0
14mm
bolt i.adlnut
1.5
72.3-108.5
14mm
bolt head/nut
2
34.0- 55.7
4.7- 7.7
14mrn bolt
head/nut
2
68.1-101.3
16rnm
bolt
head/nut
1.5
54.2- 79.6
7.5-11.0
16mm bolt head/nut
1.6
10$.5
-~66;4
16Jrim bolt
helCl/nut 2 51.4-
76;7 . 7.1 ~10.6
16mm
bolt
head/nut
2
101.3
:-1$9.1
Grad96T.
Gmdg 5 ~ggrew
6rnm
bolt
head/nut 1 4.3- 6.5 0.6- 0.9 1/4UNO
9 •
11
emm
bolthead/nut ·
1.25
10.8 -
:,.S.9
f.5- 2;2 1/4UNF
11
-
13
1omm
t;o1t
h8ad/nut
1-25
21.7. 32-.S .
a:o- 4.5
5/16UNC 18 -
20
10mm
bOlt head/nut
1.5·
19~- ~:4
2.7- 4,2 5/161JNF
21
.
23
12mm bolt head/nut
1.25(1$0)
36,2- 57.9
s.o-
8.0 3/8liNO
28 -
33
12mmbolt~nut 1.5
~-
50.6
5.0- 7.0
3/8UNF 30 - 35
12mm bolt head/nut
1.75
34.7- 49.2
4.8- 6.8
7/16UNC
44.
49
7/16UNF
50 -
55
1/2UNO 68 - 73
1/2UNF 73 -
80
44
0.8· 1.2
2.0· 3.0
· 4:o-
5~5
3 .. 7· 5.2
7.5-10.5
7.0· 9.0
6.0- 8.5
8;0-12.0
10.0•15;0
9.5·14.0
15.0-23.0
14;0 ·22.0
1.2- 1.5
1.5· 1.8
2.5- 2.8
2.9· 3.2
3.7- 4.6
4.1- 4.8
6.1-6.8·
6.9- 7.6
9.4-10.1
10.1 •11.1