Case IH OPTUM 270 CVT, Service Manual

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INTRODUCTION
Torque values for O-Ring Face Seals (ORFS) connections
SAE
dash
size
UN/UNF
thread size
Inch tube
OD (mm)
Metric
tube
OD (mm)
Hex size
(mm)
(Reference
only)
*
Swivel nut
torque
N·m (lb ft)
± 10%
**
Swivel nut
torque
N·m (lb ft)
± 10%
4
9/16-18
6.35 6 17
27 (19.9) 27 (19.9)
5 5/8-18 7.94 8 19 34 (25.1) 34 (25.1)
6 11/16-16 9.52 10 22 44 (32.5) 44 (32.5)
8 13/16-16 12.7 12 24 65 (47.9) 65 (47.9)
10 1-14 15.88 16 30 100 (73.8) 100 (73.8)
12 1-3/16-12 19.05 20 36 150 (110.6) 131 (96.6)
14 1-5/16-12 22.23 22 41 163 (120.2) 131 (96.6)
16 1-7/16-12 25.4 25 41 210 (154.9) *** 131 (96.9)
20 1-11/16-12 31.75 30 50 280 (206.5) *** 178 (131.3)
24 2-12 38.1 38 60 375 (276.6) *** 210 (154.9)
* High/Medium-pressure applications > 50 bar ( 725 psi ).
** Low-pressure applications < 50 bar ( 725 psi ).
*** It is recommended to use a four-bolt flange connection instead of O-Ring Face Seals (ORFS) sizes "16" and up.
Torque values for 37° flare connections - Joint Industry Council (JIC)
SAE
dash
size
UN/UNF
thread size
Metric
tube
OD (mm)
Inch tube
OD (mm)
Swivel nut torque
N·m (lb ft) ± 10%
2 5/16-24
–
3.18 8.25 (6.1)
3 3/8-24
–
4.76 11.5 (8.5)
4 7/16-20 6 6.35 15.5 (11.4)
5 1/2-20 8 7.94 20 (14.8)
6
9/16-18
10 9.52
25 (18.4)
8 3/4-16 12 12.7 52 (38.4)
10 7/8-14 16 15.88 81 (59.7)
12 1-1/16-12 20 19.05 112 (82.6)
14 1-3/16-12
–
22.22 133 (98.1)
16 1-5/16-12 25 25.4 155 (114.3)
20 1-5/8-12 30/32 31.75 180 (132.8)
24
1-7/8-12
38 38.1
225 (166)
32 2-1/2-12 50 50.8 348 (256.7)
Torque values for 30° flare, 60° cone connections
Nominal
size (mm)
British Standard Pipe
Parallel (BSPP)
thread size
Hex size (mm)
Swivel nut torque
N·m (lb ft) ± 10%
5, 6, 6.3 G 1/4 17 25 (18.4)
8, 9, 10 G 3/8 19 34 (25.1)
12, 12.5 G 1/2 22 64 (47.2)
15, 16, 19 G 3/4 30 132 (97.4)
25
G 1
36
196 (144.6)
31.5, 32 G 1-1/4 46 225 (166)
38 G 1-1/2 50 255 (188.1)
50, 51 G 2 65 316 (223.1)
48193161 30/11/2017
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