Tightening Torque For Bolts And Nuts; Tightening Torques For Main Bolts And Nuts - Takeuchi TB014 Werkstatt-Handbuch

12. Tightening torque for bolts and nuts

12.1 Tightening torques for main bolts and nuts

Part and engine model
Cylinder head bolt
Connecting rod bolt
Flywheel set bolt
Bearing cap set bolt
FC250
Crankshaft
pulley set bolt
S48C
Fuel pump drive gear nut
Fuel pump gear bolt
Fuel injection pipe sleeve nut
Fuel injection nozzle nut
Governor weight support nut
Glow plug
Thread diameter Tightening torque
× pitch
mm N•m (kgf•m)
53.9 to 57.9
M9 × 1.25
22.6 to 27.5
M7 × 1.0
80.4 to 86.4
M10 × 1.25
75.5 to 81.5
M10 × 1.25
83.3 to 93.3
M12 × 1.25
(11.5 to 12.5)
58.8 to 68.8
M12 × 1.75
32.3 to 36.3
M8 × 1.0
29.4 to 34.4
M12 × 1.25
49.0 to 53.0
M20 × 1.5
68.7 to 73.7
M12 × 1.25
14.7 to 19.6
M10 × 1.25
119
12. Tightening torque for bolts and nuts
application
(thread portion, and
(5.5 to 5.9)
(2.3 to 2.8)
(8.2 to 8.8)
(7.7-8.3)
(8.5 to 9.5)
113 to 123
Not applied
(6.0 to 7.0)
Not applied
(3.3 to 3.7)
Not applied
(3.0 to 3.5)
Not applied
(5.0 to 5.4)
(7.0 to 7.5)
Not applied
(1.5 to 2.0)
Lube oil
Reference
page
seat surface)
Applied 4.2.4
Applied 4.4.4
Applied 4.3.4
Applied 4.4.4
Applied 4.3.4
4.3.4
-
-
-
Applied -
-
(R.1)