Westerbeke 7.0 BCG - Torque Specifications

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