Case 580SLE - Page 9

1001-4
Cre 7-79450GB Issued 03-96 Printed in U.K.
TORQUE SPECIFICATIONS
(STEEL HYDRAULIC FITTINGS)
Tube OD
Hose ID
Thread
size
Pound-
inches
Newton
metres
37 Degree
flare fitting
1/4 inch/
6.4 mm
7/16-20 72 to 144 8 to 16
5/16 inch/
7.9 mm
1/2-20 96 to 92 11 to 22
3/8 inch/
9.5 mm
9/16-18 120 to 300 14 to 34
1/2 inch/
12.7 mm
3/4-16 180 to 504 20 to 57
5/8 inch/
15.9
7/8-14 300 to 696 34 to 79
3/4 inch/
19.0 mm
1-1/16-12 40 to 80 54 to 108
7/8 inch/
22.2 mm
1-3/16-12 60 to 100 81 to 135
1.0 inch/
25.4 mm
1-5/16-12 75 to 117 102 to 158
1-1/4 inch/
31.8 mm
1-5/8-12 125 to 165 169 to 223
1-1/2 inch/
38.1 mm
1-7/8-12 210 to 250 285 to 338
Split flange
mounting screws
Size
Pound-
inches
Newton metres
5/16-18 180 to 240 20 to 27
3/8-16 240 to 300 27 to 34
7/16-14 420 to 540 47 to 61
1/2-13 55 to 65 74 to 88
5/8-11 140 to 150 190 to 203
Tube OD
Hose ID
Thread
size
Pound-
inches
Newton
metres
Straight threads
with O-ring
1/4 inch/
6.4 mm
7/16-20 144 to 228 16 to 26
5/16 inch/
7.9 mm
1/2-20 192 to 300 22 to 34
3/8 inch/
9.5 mm
9/16-18 300 to 480 34 to 54
1/2 inch/
12.7 mm
3/4-16 540 to 804 57 to 91
5/8 inch/
15.9
7/8-14 58 to 92 79 to 124
3/4 inch/
19.0 mm
1-1/16-12 80 to 128 108 to 174
7/8 inch/
22.2 mm
1-3/16-12 100 to 160 136 to 216
1.0 inch/
25.4 mm
1-5/16-12 117 to 187 159 to 253
1-1/4 inch/
31.8 mm
1-5/8-12 165 to 264 224 to 357
1-1/2 inch/
38.1 mm
1-7/8-12 250 to 400 339 to 542