Kubota LA1154, Assembly Instructions Manual

Page: 55 / 63

53 ASSEMBLY INSTRUCTIONS
TIGHTENING TORQUE OF BOLTS AND NUTS
*If the torque levels are specified in the text, follow that specification.
American standard screws, bolts and nuts with UNC or
UNF threads
Metric cap screws
SAE grade No. SAE GR.5 SAE GR.8 property class 8.8 Approx. SAE GR 5
1/4
(N-m)
(kgf-m)
(ft-lbs)
11.7 to 15.8
1.19 to 1.61
8.6 to 11.6
16.3 to 19.8
1.66 to 2.02
12.0 to 14.6
M6
(N-m)
(kgf-m)
(ft-lbs)
9.8 to 11.2
1.0 to 1.1
7.2 to 8.3
5/16
(N-m)
(kgf-m)
(ft-lbs)
23.1 to 27.8
2.35 to 2.83
17.0 to 20.5 32.5 to 39.3
3.31 to 4.01
24.0 to 29.0
M8
(N-m)
(kgf-m)
(ft-lbs)
23.6 to 27.4
2.4 to 2.8
17.4 to 20.2
3/8
(N-m)
(kgf-m)
(ft-lbs)
47.5 to 57.0
4.84 to 5.81
35.0 to 42.0 61.0 to 73.2
6.22 to 7.46
45.0 to 54.0
M10
(N-m)
(kgf-m)
(ft-lbs)
48.1 to 55.8
4.9 to 5.7
35.5 to 41.2
1/2
(N-m)
(kgf-m)
(ft-lbs)
108.5 to 130.2
11.06 to 13.28
80.0 to 96.0
149.2 to 179.0
15.21 to 18.25
110.0 to 132.0
M12
(N-m)
(kgf-m)
(ft-lbs)
77.5 to 90.1
7.9 to 9.2
57.2 to 66.5
9/16
(N-m)
(kgf-m)
(ft-lbs)
149.2 to 179.0
15.21 to 18.25
110.0 to 132.0 217.0 to 260.4
22.13 to 26.55
160.0 to 192.0
M14
(N-m)
(kgf-m)
(ft-lbs)
124 to 147
12.6 to 15.0
91.5 to 108.4
5/8
(N-m)
(kgf-m)
(ft-lbs)
203.4 to 244.1
20.74 to 24.89
150.0 to 180.0 298.3 to 358.0
30.42 to 36.51
220.0 to 264.0
M16
(N-m)
(kgf-m)
(ft-lbs)
196 to 225
20.0 to 23.0
145 to 166
M18
(N-m)
(kgf-m)
(ft-lbs)
275 to 318
28.0 to 32.5
203 to 235
M20
(N-m)
(kgf-m)
(ft-lbs)
368 to 431
37.6 to 44.0
272 to 318