Service Data
Tightening Torques
Nuts and Bolts (for ISO strength category 10.9)
Tighten nuts and bolts at the torques shown on the table below, unless otherwise specified
in the text.
�
Tightening torques when mounting plastic covers differ from the values on the table below.
Consult a Takeuchi sales or service outlet. Tightening too strongly will break the cover.
�
When replacing nuts and bolts, replace them with nuts and bolts of the same size and
standards.
�
Tighten nuts and bolts alternately (top, bottom, left then right) or in 2 or 3 times so that they
are tightened uniformly.
Thread
Head width
(b)
Size (a) X Pitch
Torque
General Connection Points
N·m ft-lb
Coarse
Fine
10 M6 X 1.0 9.8 ± 0.5 7.2 ± 0.4
12, 13 M8 X 1.25 22.6 ± 1.1 16.6 ± 0.8
14, 17 M10 X 1.5 47.1 ± 2.4 34.7 ± 1.7
17, 19 M12 X 1.75 83.4 ± 4.1 61.5 ± 3.0
19, 22 M14 X 2.0 134.4 ± 6.7 99.1 ± 4.9
22, 24 M16 X 2.0 207.9 ± 10.4 153.3 ± 7.7
27, 30 M20 X 2.5 410.9 ± 20.5 303.1 ± 15.1
12, 13 M8 X 1.0 24.5 ± 1.2 18.1 ± 0.9
14, 17 M10 X 1.25 50 ± 2.5 36.9 ± 1.8
17, 19 M12 X 1.5 87.3 ± 4.3 64.4 ± 3.2
19, 22 M14 X 1.5 135.3 ± 6.8 99.8 ± 5.0
22, 24 M16 X 1.5 220.6 ± 11 162.7 ± 8.1
27, 30 M20 X 1.5 452.1 ± 22.6 333.4 ± 16.6
mm mm
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