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Appendix
Standard tightening torques
Information
Tolerances of the indicated tightening torques: 10%.
Always lubricate the thread before tightening these parts (engine oil).
Fig. 141: VSTI screw plugs with ED seal (left), with o-ring (right)
Size
M8x1
M10x1
M12x1.5
M14x1.5
M16x1.5
M18x1.5
M20x1.5
M22x1.5
M24x1.5
M26x1.5
M30x1.5
M27x2
M30x2
M33x2
M42x2
M48x2
234
Tightening torque
VSTI ED
VSTI o-ring
1)
8 Nm (6 ft-lb)
8 Nm (6 ft-lb)
10 Nm (7 ft-lb)
16 Nm
(12 ft-lb)
20 Nm
28 Nm
(15 ft-lb)
(21 ft-lb)
28 Nm
36 Nm
(21 ft-lb)
(27 ft-lb)
40 Nm
44 Nm
(30 ft-lb)
(32 ft-lb)
52 Nm
56 Nm
(38 ft-lb)
(41 ft-lb)
60 Nm
64 Nm
(44 ft-lb)
(47 ft-lb)
72 Nm
80 Nm
(53 ft-lb)
(59 ft-lb)
72 Nm
-
(53 ft-lb)
100 Nm
-
(74 ft-lb)
192 Nm
-
(142 ft-lb)
105 Nm
135 Nm
(77 ft-lb)
(100 ft-lb)
-
172 Nm
(127 ft-lb)
180 Nm
250 Nm
(133 ft-lb)
(184 ft-lb)
290 Nm
265 Nm
(214 ft-lb)
(195 ft-lb)
290 Nm
335 Nm
(214 ft-lb)
(247 ft-lb)
© 2023 by Kohler Co. All rights reserved.
Size
Tightening torque
VSTI ED
1)
G 1/8
10 Nm (7 ft-lb)
G 1/4
25 Nm
(18 ft-lb)
G 3/8
50 Nm
(37 ft-lb)
G 1/2
65 Nm
(48 ft-lb)
G 3/4
112 Nm
(83 ft-lb)
G 1
160 Nm
(118 ft-lb)
G 1 1/4
320 Nm
(236 ft-lb)
G 1 1/2
360 Nm
(266 ft-lb)
-
-
3/4-16 UNF
56 Nm
(41 ft-lb)
7/8-1/4 UNF
80 Nm
(59 ft-lb)
R 3/4"
112 Nm
(83 ft-lb)
-
-
-
-
-
-
-
-
KD62V12A 33521061401_1_1 EN_US
VSTI o-ring
-
-
-
-
-
-
-
-
-
-
-
96 Nm
(71 ft-lb)
-
-
-
-
2023-10
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