Case 1650M Service Manual page 26

Torques for Inch O-Ring Boss (ORB) port plug
SAE
Dash size
2
3
4
5
6
8
10
12
14
16
20
24
32
NOTE: Final torque tolerance +/– 10% of the given torque specification.
INTRODUCTION
UN/UNF
Thread size
5/16–24 7.5 N·m (5.5 lb ft)
14.5 N·m (10.7 lb ft)
3/8–24
21 N·m (15.5 lb ft)
7/16–20
1/2–20 28 N·m (20.7 lb ft)
9/16–18 47 N·m (34.7 lb ft)
89 N·m (65.6 lb ft)
3/4–16
7/8–14 116 N·m (85.6 lb ft)
1-1/16–12 176 N·m (129.8 lb ft) 176 N·m (129.8 lb ft)
247 N·m (182.2 lb ft) 247 N·m (182.2 lb ft) 148 N·m (109.2 lb ft)
1-3/16–12
284 N·m (209.5 lb ft) 284 N·m (209.5 lb ft) 170 N·m (125.4 lb ft)
1-5/16–12
1-5/8–12 357 N·m (263.3 lb ft) 357 N·m (263.3 lb ft) 214 N·m (157.8 lb ft)
441 N·m (325.3 lb ft) 441 N·m (325.3 lb ft) 265 N·m (195.5 lb ft)
1-7/8–12
536 N·m (395.3 lb ft) 536 N·m (395.3 lb ft) 322 N·m (237.5 lb ft)
2-1/2–12
48048567 26/04/2017
Ferrous
Internal Hex External Hex
12.5 N·m (9.2 lb ft)
21 N·m (15.5 lb ft)
37 N·m (27.3 lb ft)
42 N·m (31.0 lb ft)
47 N·m (34.7 lb ft)
89 N·m (65.6 lb ft)
116 N·m (85.6 lb ft)
19
Non-Ferrous
7.5 N·m (5.5 lb ft)
12.5 N·m (9.2 lb ft)
22 N·m (16.2 lb ft)
25 N·m (18.4 lb ft)
28 N·m (20.7 lb ft)
53 N·m (39.1 lb ft)
70 N·m (51.6 lb ft)
106 N·m (78.2 lb ft)