Kohler KD62V12A Operation And Maintenance Manual page 226

Appendix
Standard tightening torques
Thread Y
M 14 x 1.5
M 16 x 1.5
M 18 x 1.5
M 22 x 1.5
M 26 x 1.5
M 33 x 2.0
M 42 x 2.0
M 48 x 2.0
Tab. 67: Standard torques for metric thread unions L series, for steel and iron cast part
Standard torques for metric thread unions S series (up to 800 bar/
11603 Psi) for steel and iron cast part
According to ISO 9974-2/3 / ISO 6149-2/3 / DIN 3852-1/2, metric threading.
Information
Tolerances of the indicated tightening torques: 10%.
Always lubricate the thread before tightening these parts (engine oil).
Thread Y
M 10 x 1.0
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
M 27 x 2.0
M 33 x 2.0
M 42 x 2.0
M 48 x 2.0
Tab. 68: Standard torques for metric thread union S series, for steel and iron cast part
Standard torques for imperial thread unions L series (up to 500
bar/7252 Psi) for steel and iron cast part
According to ISO 1179-1 / DIN 3852-T2-Form X / DIN 3852-T3-Form X BSP threading.
226
Form A with
sealing edge
35 Nm (26 ft-lb) 45 Nm (33 ft-lb)
45 Nm (33 ft-lb) 65 Nm (48 ft-lb)
55 Nm (41 ft-lb) 80 Nm (59 ft-lb)
65 Nm (48 ft-lb) 140 Nm (103 ft-lb)
90 Nm (66 ft-lb) 190 Nm (140 ft-lb)
150 Nm (111 ft-lb) 340 Nm (251 ft-lb)
240 Nm (177 ft-lb) 500 Nm (369 ft-lb)
290 Nm (214 ft-lb) 630 Nm (465 ft-lb)
Form A with
sealing edge
-
20 Nm (15 ft-lb) 35 Nm (26 ft-lb)
35 Nm (26 ft-lb) 55 Nm (41 ft-lb)
45 Nm (33 ft-lb) 70 Nm (52 ft-lb)
55 Nm (41 ft-lb) 110 Nm (81 ft-lb)
55 Nm (41 ft-lb) 150 Nm (111 ft-lb)
65 Nm (48 ft-lb) 170 Nm (125 ft-lb)
90 Nm (66 ft-lb) 270 Nm (199 ft-lb)
150 Nm (111 ft-lb) 410 Nm (302 ft-lb)
240 Nm (177 ft-lb) 540 Nm (398 ft-lb)
290 Nm (214 ft-lb) 700 Nm (516 ft-lb)
© 2023 by Kohler Co. All rights reserved.
Form B with Form E with flat
sealing ring
45 Nm (33 ft-lb)
55 Nm (41 ft-lb)
70 Nm (52 ft-lb)
125 Nm (92 ft-lb)
180 Nm (133 ft-lb)
310 Nm (229 ft-lb)
450 Nm (332 ft-lb)
540 Nm (398 ft-lb)
Form B with Form E with flat
sealing ring
- 23 Nm (17 ft-lb)
35 Nm (26 ft-lb)
55 Nm (41 ft-lb)
70 Nm (52 ft-lb)
90 Nm (66 ft-lb)
125 Nm (92 ft-lb)
135 Nm (100 ft-lb)
180 Nm (133 ft-lb)
310 Nm (229 ft-lb)
450 Nm (332 ft-lb)
540 Nm (398 ft-lb)
Form F with O-ring
sealing
35 Nm (26 ft-lb)
40 Nm (30 ft-lb)
45 Nm (33 ft-lb)
60 Nm (44 ft-lb)
100 Nm (74 ft-lb)
160 Nm (118 ft-lb)
210 Nm (155 ft-lb)
260 Nm (192 ft-lb)
Form F with O-ring
sealing
35 Nm (26 ft-lb)
45 Nm (33 ft-lb)
55 Nm (41 ft-lb)
70 Nm (52 ft-lb)
80 Nm (59 ft-lb)
100 Nm (74 ft-lb)
170 Nm (125 ft-lb)
310 Nm (229 ft-lb)
330 Nm (243 ft-lb)
420 Nm (310 ft-lb)
KD62V12A 33521061401_1_1 EN_US
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2023-10