Kohler KD62V12 Operation And Maintenance Manual page 189

Tab. 52: Hollow screw DIN 7643, Hexagon head screw DIN 910, Internal drive screw DIN 908
Information
Tolerances of the indicated tightening torques: 10%.
Always lubricate the thread before tightening these parts (engine oil).
Thread
M 6 x 1
M 8 x 1
M 8 x 1.5
M 10 x 1
M 10 x 1.25
M 12 x 1.5
M 14 x 1.5
M 16 x 1.5
M 18 x 1.5
M 20 x 1.5
M 22 x 1.5
Tab. 53: Tightening torques for screws according to DIN 7643, DIN 910, DIN 908
KD62V12 33521030301_8_1 EN_US 2022-09
Tightening torque Thread
7 Nm M 24 x 1.5
5 ft-lb
7.5 Nm M 26 x 1.5
6 ft-lb
7.5 Nm M 27 x 2
6 ft-lb
15 Nm M 30 x 1.5
11 ft-lb
15 Nm M 30 x 2
11 ft-lb
20 Nm M 33 x 2
15 ft-lb
30 Nm M 36 x 1.5
22 ft-lb
40 Nm M 36 x 2
30 ft-lb
40 Nm M 38 x 1.5
30 ft-lb
47 Nm M 39 x 2
35 ft-lb
70 Nm M 42 x 1.5
52 ft-lb
© 2022 by Kohler Co. All rights reserved.
Tightening torque Thread
68 Nm M 42 x 2
50 ft-lb
75 Nm M 45 x 1.5
55 ft-lb
87 Nm M 45 x 2
64 ft-lb
115 Nm M 48 x 1.5
85 ft-lb
115 Nm M 48 x 2
85 ft-lb
120 Nm M 52 x 1.5
89 ft-lb
155 Nm M 52 x 2
114 ft-lb
155 Nm M 56 x 2
114 ft-lb
171 Nm M 60 x 2
126 ft-lb
215 Nm M 64 x 2
159 ft-lb
240 Nm M 65 x 2
177 ft-lb
Appendix
Standard tightening torques
Tightening torque
240 Nm
177 ft-lb
270 Nm
199 ft-lb
270 Nm
199 ft-lb
300 Nm
221 ft-lb
300 Nm
221 ft-lb
380 Nm
280 ft-lb
380 Nm
280 ft-lb
430 Nm
317 ft-lb
510 Nm
376 ft-lb
570 Nm
420 ft-lb
620 Nm
457 ft-lb
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