Kubota U50-5, Operating Instructions Manual

Page: 219 / 236

Maintenance
W9272-8135-1
217
05/2020
Bolted joints - check
The table below contains the torques for nuts and bolts. These may only be tightened with a torque wrench. Miss-
ing values can be requested from KUBOTA.
Tightening torque for screws
Nm (
kgf  m
)
Tightening torque for hose clamps
4 T (4.6) 7 T (8.8) 9 T (9.8-10.9)
M 6
7.8~9.3
(0.8~0.95)
9.8~11.3
(1.0~1.15)
12.3~14.2
(1.25~1.45)
M 8
17.7~20.6
(1.8~2.1)
23.5~27.5
(2.4~2.8)
29.4~34.3
(3.0~3.5)
M 10
39.2~45.1
(4.0~4.6)
48.1~55.9
(4.9~5.7)
60.8~70.6
(6.2~7.2)
M 12
62.8~72.6
(6.4~7.4)
77.5~90.2
(7.9~9.2)
103.0~117.7
(10.5~12.0)
M 14
107.9~125.5
(11.0~12.8)
123.6~147.1
(12.6~15.0)
166.7~196.1
(17.0~20.0)
M 16
166.7~191.2
(17.0~19.5)
196.1~225.6
(20.0~23.0)
259.9~304.0
(26.5~31.0)
M 20
333.4~392.3
(34.0~40.0)
367.7~431.5
(37.5~44.0)
519.8~568.8
(53.0~58.0)
Diameter Part name Tightening torque
Ø 10~14 Clamp (screw version 14) 2.5~3.4 Nm
Ø 12~16 Clamp (screw version) 2.5~3.4 Nm
Ø 13~20 Clamps (13-20) 2.5~3.4 Nm
Ø 19~25 Clamp (screw version) 2.5~3.4 Nm
Ø 31~40 Clamp (screw version) 2.5~3.4 Nm
Ø 36~46 Clamp (screw version) 2.5~3.4 Nm
Ø 15~25 Clamps (15-24) 4.9~5.9 Nm
Ø 26~38 Clamps (26-38) 4.9~5.9 Nm
Ø 32~44 Clamps (32-44) 4.9~5.9 Nm
Ø 40~55 Clamps (40-55) 4.9~5.9 Nm
Ø 44~53 Clamp (screw version) 4.9~5.9 Nm
Ø 49~60 Clamp (screw version 60) 4.9~5.9 Nm
Ø 50~60 Clamps (50-60) 4.9~5.9 Nm
Ø 58~75 Clamps (58-75) 4.9~5.9 Nm
Ø 66~88 Clamps (66-88) 4.9~5.9 Nm
Ø 77~95 Clamps (77-95) 4.9~5.9 Nm