Tightening Torques; Tightening Torques For General Use Screws, Bolts And Nuts - Kubota WG1605-G-E3 Workshop Manual

WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, WSM

3. 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 the proper torque.
[1] TIGHTENING TORQUES FOR GENERAL USE SCREWS, BOLTS
AND NUTS
NOTE
• For "*" marked screws, bolts and nuts on the table, apply engine oil to their threads and seats before
tightening.
• The letter "M" in Size × Pitch means that the screw, bolt or nut dimension stands for metric. The size is
the nominal outside diameter in mm of the threads. The pitch is the nominal distance in mm between two
threads.
Item
Cylinder head screw
*Connecting rod screw
*Flywheel screw
*Fan drive pulley screw
*Main bearing case screw 1
*Main bearing case screw 2
*Cylinder head cover cap nut
Oil pressure switch
Bearing case cover mounting screw
*Rocker arm bracket nut
*Idle gear shaft mounting screw
Injection pump gear cap nut
Drain plug
Rotation sensor mounting screw
Spark plug
Ignition coil mounting screw / nut
Knock sensor mounting screw
Water temperature sensor
PCV Valve
Exhaust manifold mounting nut
Outlet of Exhaust manifold nut
Starter B terminal nut
Alternator's pulley nut
Inlet of Catalytic converter mounting
screw / nut
Outlet of catalytic converter mounting
screw / nut
LPG in
Dimension ×
N·m
Pitch
M10 × 1.25 63.7 to 68.6
M8 × 1.0 41.2 to 46.1
M10 × 1.25 53.9 to 58.8
M14 × 1.5 235 to 245
M8 × 1.25 29.4 to 34.3
M9 × 1.25 49.0 to 53.9
M7 × 1.0 6.9 to 8.8
PT 1/8 14.7 to 19.6
M6 × 1.0 9.81 to 11.3
M7 × 1.0 21.6 to 26.5
M6 × 1.0 9.81 to 11.3
M12 × 1.5 58.8 to 68.6
M12 × 1.25 32.4 to 37.3
M6 × 1.0 3.0 to 6.0
M14 × 1.25 24.5 to 29.4
M6 × 1.0 9.81 to 11.3
M6 × 1.0 15.0 to 25.0
M12 × 1.5 16.7 to 19.6
M16 × 1.5 16.0 to 24.0
M7 × 1.0 15.7 to 18.6
M8 × 1.25 29.4 to 34.3
M8 × 1.25 5.88 to 11.8
– 58.4 to 78.9
M10 × 1.25 48.1 to 55.9
M12 × 1.25 77.5 to 90.2
– 19.6 to 39.2
1-S10
9Y1210318ENS0009US0
kgf·m lbf·ft
6.50 to 6.99 47.0 to 50.5
4.21 to 4.70 30.4 to 34.0
5.50 to 5.99 39.8 to 43.3
24.0 to 24.9 174 to 180
3.00 to 3.49 21.7 to 25.2
5.00 to 5.49 36.2 to 39.7
0.71 to 0.89 5.1 to 6.4
1.50 to 1.99 10.9 to 14.4
1.00 to 1.15 7.24 to 8.33
2.21 to 2.70 16.0 to 19.5
1.00 to 1.15 7.24 to 8.33
6.00 to 6.99 43.4 to 50.5
3.31 to 3.80 23.9 to 27.5
0.31 to 0.61 2.3 to 4.4
2.50 to 2.99 18.1 to 21.6
1.00 to 1.15 7.24 to 8.33
1.53 to 2.54 11.1 to 18.4
1.71 to 1.99 12.4 to 14.4
1.64 to 2.44 11.8 to 17.7
1.60 to 1.89 11.6 to 13.7
3.00 to 3.49 21.7 to 25.2
0.600 to 1.20 4.34 to 8.70
5.95 to 8.05 43.1 to 58.2
4.91 to 5.70 35.5 to 41.2
7.91 to 9.19 57.2 to 66.5
2.00 to 3.99 14.5 to 28.9
9Y1210661ENS0005US0
ENGINE
KiSC issued 01, 2012 A