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

J SERIES, WSM

[6] TIGHTENING TORQUES

Screws, bolts and nuts must be tightened to the specified torque using a torque wrench, Several screws, bolts and
nuts such as those used on the cylinder head must be tightened in proper sequence and at the proper torque.

(1) Tightening Torques for Special Use Screws, Bolts and Nuts

NOTE

• In removing and applying the screws, bolts and nuts marked with "*", pneumatic wrench or similar
pneumatic tool, if employed, must be used with enough care not to get them seized.
• For "*" marked screws, bolts and nuts on the table, apply engine oil to their threads and seats before
tightening.
[Z482, D722]
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
Item
24.5 to 34.3
19.6 to 27.4
19.6 to 27.4
19.6 to 27.4
24.9 to 34.3
49.0 to 68.6
19.6 to 24.5
37.2 to 42.1
26.5 to 30.4
53.9 to 58.8
26.5 to 30.4
12.7 to 15.7
14.7 to 19.6
S-34
N·m kgf·m
2.5 to 3.5
2.0 to 2.8
2.0 to 2.8
2.0 to 2.8
3.9 to 5.9 0.4 to 0.6
2.5 to 3.5
5.0 to 7.0
2.0 to 2.5
7.8 to 14.7 0.8 to 1.5
9.8 to 11.3 1.00 to 1.15
3.8 to 4.3
118 to 127 12.0 to 13.0
9.8 to 11.3 1.00 to 1.15
2.7 to 3.1
5.5 to 6.0
9.8 to 11.3 1.00 to 1.15
2.7 to 3.1
1.3 to 1.6
1.5 to 2.0
8.8 to 11.8 0.9 to 1.2
GENERAL
ft-lbs
18.1 to 25.3
14.5 to 20.3
14.5 to 20.3
14.5 to 20.3
2.9 to 4.3
18.1 to 25.3
36.2 to 50.6
14.5 to 18.1
5.8 to 10.8
7.2 to 8.3
28.0 to 31.7
86.8 to 94.0
7.2 to 8.3
19.5 to 22.4
39.8 to 43.4
7.2 to 8.3
19.5 to 22.4
9.4 to 11.6
10.8 to 14.5
6.5 to 8.7
KiSC issued 10, 2016 A