Tightening Torque For Bolts And Nuts; Tightening Torques For Main Bolts And Nuts - Yanmar 3TNV Series Service Manual

13. Tightening Torque for Bolts and Nuts

13. TIGHTENING TORQUE for BOLTS and NUTS

13.1 Tightening Torques for Main Bolts and Nuts

Part and engine model
3TNV82A
TNV84 88
Cylinder
head bolt
4TNV94L 98
4TNV106(T)
3TNV82A
TNV84 88
Connecting
rod bolt
4TNV94L 98
4TNV106(T)
TNV82A 88
Flywheel
set bolt
4TNV94L 98 106(T)
3TNV82A
TNV84 88
Bearing cap
set bolt
4TNV94L 98
4TNV106(T)
TNV82A 88
Crankshaft
pulley set bolt
4TNV94L 98 106(T)
TNV82A 88
Fuel nozzle
set bolt
4TNV94L 98 106(T)
TNV82A 88
Fuel pump drive
gear set nut
4TNV94L 98 106(T)
TNV82A 88
Fuel injection
pipe set bolt
4TNV94L 98 106(T)
Fuel return
4TNV94L 98 106(T)
pipe joint bolt
Rocker arm
4TNV106(T)
cover set bolt
EPA flange
4TNV106(T)
set bolt
Thread
diameter Tightening torque
pitch
mm Nm(kgf m)
61.7 65.7
M9 1.25
(6.3 6.7)
85.3 91.1
M10 1.25
(8.7 9.3)
103.1 112.9
M11 1.25
(10.5 11.5)
188.0 197.8
M13 1.5
(19.0 20.0)
37.2 41.2
M8 1.0
(3.8 4.2)
44.1 49.0
M9 1.0
(4.5 5.0)
53.9 58.8
M10 1.0
(5.5 6.0)
78.5 83.4
M11 1.0
(8.0 8.5)
83.3 88.2
M10 1.25
(8.5 9.0)
186.2 205.8
M14 1.5
(19 21)
76.4 80.4
M10 1.25
(7.8-8.2)
93.2 98.1
M12 1.5
(9.5 10.5)
108.1 117.9
M11 1.25
(11.0 12.0)
186.2 205.8
M14 1.5
(19 21)
112.7 122.7
M14 1.5
(11.5 12.5)
107.9 127.5
M14 1.5
(11.0 13.0)
24.4 28.4
M8 1.25
(2.5 2.9)
22.6 28.4
M8 1.25
(2.3 2.9)
M14 1.5 78 88(8 9)
113 123
M18 1.5
(11.5 12.5)
29.4 34.3
M12 1.5
(3.0 3.5)
19.6 24.5
M12 1.5
(2.0 2.5)
7.8 9.8
M6 1.0
(0.8 1.0)
16.7 22.5
M8 1.25
(1.7 2.3)
113 123
M18 1.5
(11.5 12.5)
196
Lubricating oil
application Reference
(thread portion, page
and seat surface)
Applied 4.2.4
Applied 4.4.4
Applied 4.3.4
Applied 4.4.4
Applied 4.3.4
Not applied
Not applied 4.3.4
Not applied
Not applied
Not applied
Not applied
-
-
-
-
-