Installation manual
STANDARD
HARDWARE
TORQUES
NOTE:
Unless stated otherwise for a
~pecific
assembl)~
lise the following torque t'a/ues
when
lightening standard hardware.
Grade
4
Pitch
Ib-ft
kg-m
Grade
7T,
BT
and
B.B
Pitch
Ib-ft
kg-m
6mm
bolt
head/nut
1
2.9-5.1
0.4-0.7
6mm
bolt
head/nut
1
5.B-B.7
0.B-1.2
Bmm
bolt
head/nut
1.25
7.2-11.6
1.0-1.6
Bmm
bolt
head/nut
1.25
14.5-21.7
2.0-3.0
10mm
bolt
head/nut
1.25
13.7-22.4
1.9-3.1
10mm
bolt
head/nut
1.25
2B.9-39.B
4.0-5.5
10mm
bolt
head/nut
1.5
13.0-21.7
1.B-:),0
10mm
bolt
head/nut
1.5
26.B-37.6
3.7-5.2
12mm
bolt
head/nut
1.25
(ISO)
25.3-39.B
3.5-5.5
12mm
bolt
head/nut
1.25
(ISO)
54.2-75.9
7.5-10.5
12mm
bolt
head/nut
1.5
25.3-39.B
3.5-5.5
12mm
bolt
head/nut
1.5
50.6-65.1
7.0-9.0
12mm
bolt
head/nut
1.75
21.7-36.2
3.0-5.0
12mm
bolt
head/nut
1.75
43.4-61.5
6.0-8.5
13mm
bolt
head/nut
1.5
32.5-50.6
4.5-7.0
13mm
bolt
head/nut
1.5
57.9-86.8
8.0-12.0
14mm
bolt
head/nut
1.5
36.2-57.9
5.0-B.O
14mm
bolt
head/nut
1.5
72.3-108.5
10.0-15.0
14mm
bolt
head/nut
2
34.0-55.7
4.7-7.7
14mm
bolt
head/nut
2
68.7-101.3
9.5-14.0
16mm
bolt
head/nut
1.5
54.2-79.6
7.5-11.0
16mm
bolt
head/nut
1.5
108.5-166.4
15.0-23.0
16mm
bolt
head/nul
2
51.4-76.7
7."'0.6
16mm
bolt
head/nut
2
101.3-159.1
14.0-22.0
Grade
6T
Grade
5
Cap
Screw
6mm
bolt
head/nut
1
4.3-6.5
0.6-0.9
1/4
UNC
9-11
1.2-1.5
Bmm
bolt
head/nul
1.25
10.B-15.9
1.5-2.2
114
UNF
1,.,3
1.5-1.8
10mm
bolt
head/nut
1.25
21.7-32.5
3.0-4.5
5116
UNC
18-20
2.5-2.8
10mm
bolt
head/nut
1.5
19.5-30.4
2.7-4.2
5/16
UNF
21-23
2.9-3.2
12mm
bolt
head/nut
1.25
(ISO)
36.2-57.9
5.0-B.0
3/8
UNC
28-33
3.7-4.6
12mm
bolt
head/nut
1.5
36.2-50.6
5.0-7.0
3/8
UNF
30-35
4.1-4.8
12mm
bolt
head/nut
1.75
34.7-49.2
4.B-6.B
7/16
UNC
44-49
6.1-6.B
7/16
UNF
50-55
6.9-7.6
1/2
UNC
68-73
9.4-10.1
1/2
UNF
73-80
10."'1.1
GENERAL
SCREWS
BOLT
DlA_
BOLT
HEAD
MARK
4 7
10
M6
0.3
0.5
O.S
-1.0
1.0 1.3
MS
1.0
-1.3
1.5
-
2.2
2.5
-
3.5
M10
1.8-2.5
3.0
4.2
5.0
7.0
M12
3.0
4.2
5.5
-7.5
9.5
-12.0
M14
5.0
-
7.0
8.0-11.0
16.0
-19.0
SEALANTS
PARTS
REQUIRING
SEALANT
SURFACES
REQUIRING
SEALANT
SEALANT
(where
to
mount
sealant
coated
parts)
Taper
screw
1/2"
Thread
portion
(Gear
case)
liquid
Teflon
Taper
screw
1/4"
Thread
portion
(Cylinder
block
right
side,
pump
cover)
liquid
Teflon
Taper
screw
1/S"
Thread
portion
(Cylinder
head
rear
surface)
liquid
Teflon
Water
drain
plug
Thread
portion
(Cylinder
block
right
side,
rear
middle
portion)
liquid
Teflon
Oil
pressure
switch
Thread
portion
(Cylinder
block
right
side
surface)
liquid
Teflon
Side
seal
Periphery
(Main
bearing
caps
No.
t
and
No.5)
Permatex
#6B
Bearing
cap
No_
1
Contact
surface
with
cylinder
block
Permatex
#6B
,..yo
WESTERBEKE
Engines
&
Generators
53