Tightening Torques For General Use Screws, Bolts And Nuts - Kubota WSM J Series Workshop Manual

J SERIES, WSM
[D1005, V1305]
Section
Rear bracket mounting screw
Stator housing mounting screw
Generator
Cooling fan mounting screw
Rotor assembly mounting screw
* Cylinder head cover cap nut
Injection pipe retaining nuts
Nozzle holder assembly
Over flow pipe assembly retaining
nut
Glow plug
* Roker arm bracket nuts
* Cylinder head screw
Fan drive pulley retaining screw
Engine * Idle gear shaft mounting screw
* Connecting rod screw
* Flywheel screw
* Bearing case cover mounting
screw
* Main Bearing case screw 2
* Main Bearing case screw 1
Oil switch
Starter B terminal nut
Pulley nut

(2) Tightening Torques for General Use Screws, Bolts and Nuts

Screw and bolt material grades are shown by numbers punched on the screw and bolt heads. Prior to tightening,
be sure to check out the numbers as shown below.
Grade
Nominal Unit
Diameter
M6 7.9 to 9.3
M8 17.7 to 20.6
M10 39.2 to 45.1
M12 62.8 to 72.6
M14 107.9 to 125.5
* The figures on the table above are indicated the top of screw or bolt.
Item
Standard Screw and Bolt
or
N·m kgf·m
0.80 to 0.95
1.8 to 2.1
4.0 to 4.6
6.4 to 7.4
11.0 to 12.8
N·m
24.5 to 34.3
19.6 to 27.4
19.6 to 27.4
19.6 to 27.4
6.9 to 8.8
24.5 to 34.3
49.0 to 68.6
19.6 to 24.5
7.8 to 14.7
21.6 to 26.5
63.7 to 68.6
235 to 245
9.8 to 11.3
41.2 to 46.1
53.9 to 58.8
9.8 to 11.3
49.0 to 53.9
29.4 to 34.3
14.7 to 19.6
8.8 to 11.8
58.3 to 78.9
ft-lbs N·m
5.8 to 6.9 9.8 to 11.3
13.0 to 15.2 23.5 to 27.5
28.9 to 33.3 48.1 to 55.9
46.3 to 53.5 77.5 to 90.2
79.6 to 92.6 123.6 to 147.1
S-35
kgf·m ft-lbs
2.5 to 3.5 18.1 to 25.3
2.0 to 2.8 14.5 to 20.3
2.0 to 2.8 14.5 to 20.3
2.0 to 2.8 14.5 to 20.3
0.7 to 0.9 5.1 to 6.5
2.5 to 3.5 18.1 to 25.3
5.0 to 7.0 36.2 to 50.6
2.0 to 2.5 14.5 to 18.1
0.8 to 1.5 5.8 to 10.8
2.2 to 2.7 15.9 to 19.5
6.5 to 7.0 47.0 to 50.6
24.0 to 25.0 174 to 181
1.00 to 1.15 7.2 to 8.3
4.2 to 4.7 30.3 to 53.9
5.5 to 6.0 39.8 to 43.4
1.00 to 1.15 7.2 to 8.3
5.0 to 5.5 36.2 to 39.8
3.0 to 3.5 21.7 to 25.3
1.5 to 2.0 10.8 to 14.5
0.9 to 1.2 6.5 to 8.7
5.95 to 8.05 43.0 to 58.2
Special Screw and Bolt
kgf·m
1.00 to 1.15 7.23 to 8.32
2.4 to 2.8 17.4 to 20.3
4.9 to 5.7 35.4 to 41.2
7.9 to 9.2 57.1 to 66.5
12.6 to 15.0 91.1 to 108.5
KiSC issued 10, 2016 A
GENERAL
ft-lbs
W10371750