Tightening Torques - Kubota WSM B1710 Workshop Manual

B1710 · B2110 · B2410 · B2710, 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 : See page G-9.)
Steering wheel mounting nut
Delivery pipe nut for HST
Oil cooler pipe nut
Delivery pipe nut for power steering
Clutch housing and engine mounting screw
Clutch housing and engine mounting nut
Clutch cover mounting screw
Item
Cylinder head cover cap nut
Injection pipe retaining nut
Nozzle holder assembly
Nozzle holder
Overflow pipe assembly retaining nut
Glow plug
Bearing nut on idle gear shaft
Lock nut for bearing nut
* Rocker arm bracket nut
* Cylinder head screw
* Crankshaft screw
* Connecting rod screw
* Flywheel screw
* Main bearing case screw 1
* Main bearing case screw 2
Bearing case cover screw
* Idle gear shaft screw
* Oil pressure switch
Idle adjust screw cap nut
Fuel limit cap nut
NOTE
• In removing and applying the bolts and nuts marked with "*", a 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.
• 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
M7 × 1.0
M12 × 1.5
M20 × 1.5
M12 × 1.5
M8 × 1.0
M7 × 1.0
M10 × 1.25
M14 × 1.5
M8 × 1.0
M10 × 1.25
M8 × 1.25
M9 × 1.25
M6 × 1.0
M6 × 1.0
PT 1/8
M6 × 1.0
M6 × 1.0
N·m
29.4 to 49.0
34 to 39
50 to 58
65 to 75
17.7 to 20.6
48.1 to 55.8
23.5 to 27.5
N·m
6.9 to 8.8
24.5 to 34.3
49.0 to 68.6
– 34.3 to 39.2
19.6 to 24.5
7.8 to 14.7
– 34.3 to 39.2
–
24.5 to 34.3
21.6 to 26.5
63.7 to 68.6
235.4 to 245.2
41.2 to 46.1
53.9 to 58.8
29.4 to 34.3
49.0 to 53.9
9.8 to 11.3
9.8 to 11.3
14.7 to 19.6
7.8 to 9.8
7.8 to 9.8
1-S10
ENGINE
kgf·m ft-lbs
3.0 to 5.0 21.7 to 36.2
3.5 to 4.0 25.3 to 28.9
5.1 to 5.9 36.9 to 42.8
6.6 to 7.2 47.9 to 55.3
1.8 to 2.1 13.0 to 15.2
4.9 to 5.7 35.5 to 41.2
2.4 to 2.8 17.4 to 20.3
W10127360
kgf·m ft-lbs
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
3.5 to 4.0 25.3 to 28.9
2.0 to 2.5 14.5 to 18.1
0.8 to 1.5 5.8 to 10.8
3.5 to 4.0 25.3 to 28.9
2.5 to 3.5 18.1 to 25.3
2.2 to 2.7 15.9 to 19.5
6.5 to 7.0 47.0 to 50.6
24.0 to 25.0 173.6 to 180.8
4.2 to 4.7 30.3 to 33.9
5.5 to 6.0 39.8 to 43.4
3.0 to 3.5 21.7 to 25.3
5.0 to 5.5 36.2 to 39.8
1.00 to 1.15 7.2 to 8.3
1.00 to 1.15 7.2 to 8.3
1.5 to 2.0 10.8 to 14.5
0.8 to 1.0 5.8 to 7.2
0.8 to 1.0
5.8 to 7.2
W10132360
KiSC issued 11, 2006 A