Tightening Torques - Kubota L3540 Workshop Manual

L3540, L4240, L5040, L5240, L5740, WSM

3. TIGHTENING TORQUES

Tightening torques of screws, bolts and nuts on the table below are especially specified.
(For general use screws, bolts and nuts : Refer to "5. TIGHTENING TORQUES" at "G. GENERAL" section.)
Lower frame mounting screw (center ROPS)
Joint screw for PTO delivery pipe
Joint screw for oil cooler return pipe
Engine and clutch housing mounting screw
Engine and clutch housing mounting nut
Joint screw for delivery pipe 2
Muffler mounting screw
Joint screw for power steering delivery pipe
Retaining nut of power steering delivery pipe
Front axle frame mounting screw (7T)
Front axle frame mounting screw (9T)
Item
Clutch mounting screw
Oil Pressure switch
Cylinder head cover screw
Injection pipe retaining nut
Nozzle holder assembly
Overflow pipe assembly retaining nut
Glow plugs
* Rocker arm bracket nut
* Cylinder head screw
Hi-idling body
Fan drive pulley mounting nut
Camshaft set bolt
Balancer shaft set bolt
* Connecting rod screw
* Flywheel screw
* Bearing case cover mounting screw
* Main bearing case screw 2
* Main bearing case screw 1
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 x 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
Size x Pitch
PT 1/8
M6 × 1.0
M12 × 1.5
M20 × 1.5
M10 × 1.25
M8 × 1.25
M11 × 1.25
M8 × 1.25
M8 × 1.25
M8 × 1.0
M12 × 1.25
M8 × 1.25
M10 × 1.25
M9 × 1.25
N·m
260 to 304
35 to 39
88.3 to 98.0
78 to 90
103 to 117
40 to 49
32 to 37
40 to 49
49 to 58
78 to 90
103 to 117
N·m
– 24 to 27
15 to 20
9.81 to 11.2
25 to 34
49 to 68
– 20 to 24
20 to 24
24 to 27
93.2 to 98.0
– 45 to 49
– 138 to 156
24 to 27
24 to 27
45 to 49
98.1 to 107
24 to 27
69 to 73
46 to 50
1-S11
kgf·m lbf·ft
26.5 to 31.0 192 to 224
3.5 to 4.0 26 to 28
9.00 to 10.0 65.1 to 72.3
7.9 to 9.2 58 to 66
10.5 to 12.0 76.0 to 86.7
4.0 to 5.0 29 to 36
3.2 to 3.8 24 to 27
4.0 to 5.0 29 to 36
5.0 to 6.0 37 to 43
7.9 to 9.2 58 to 66
10.5 to 12.0 76.0 to 86.7
kgf·m lbf·ft
2.4 to 2.8 18 to 20
1.5 to 2.0 11 to 14
1.00 to 1.15 7.23 to 8.31
2.5 to 3.5 18 to 25
5.0 to 7.0 37 to 50
2.0 to 2.5 15 to 18
2.0 to 2.5 15 to 18
2.4 to 2.8 18 to 20
9.5 to 10.0 68.8 to 72.3
4.5 to 5.0 33 to 36
14.0 to 16.0 102 to 115
2.4 to 2.8 18 to 20
2.4 to 2.8 18 to 20
4.5 to 5.0 33 to 36
10.0 to 11.5 72.4 to 79.5
2.4 to 2.8 18 to 20
7.0 to 7.5 51 to 54
4.7 to 5.2 34 to 37
KiSC issued 04, 2010 A
ENGINE
W1055580
W1013236