Case 580LE, Manual

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