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Fastner torque chart, A: f, Hart – Gradall 544D (9136-4003) Service Manual User Manual

Page 354: Ppendix, Astener, Orque, Bolt size

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A

PPENDIX

A: F

ASTENER

T

ORQUE

C

HART

The following bolt torque charts covering English and Metric fasteners are the ones used by

Gradall Engineering. Gradall ratings are for lubricated fasteners. Do not exceed the

allowable rating. Remember! An over-torqued bolt in most cases will fail as rapidly as an

under-torqued one.

LUBRICATED ENGLISH BOLTS

BOLT SIZE

1/4 - 20

1/4 - 28

5/16 - 18

5/16 - 24

3/8 - 16

3/8 - 24

7/16 - 14

7/16 - 20

1/2 - 13

1/2 - 20

9/16 - 12

9/16 - 18

5/8 - 11

5/8 - 18

3/4 - 10

3/4 - 16

7/8 - 9

7/8 - 14

1 - 8

1 - 14

1 1/8 - 7

1 1/8 - 12

1 1/4 - 7

1 1/4 - 12

3/8 - 6

1 3/8 - 12

1 1/2 - 6

1 1/2 - 12

GRADE 5 BOLTS

GRADE 5 BOLTS

Torque

(ft-lb.)

9

11

17

19

30

32

44

48

68

76

100

112

140

168

240

265

360

390

545

570

710

795

1005

1105

1310

1500

1745

1945

Tolerance

+ or -

(ft-lb.)

+3 -0

+3 -0

+5 -0

+5 -0

+5 -0

+5 -0

+10 -0

+10 -0

+10 -0

+10 -0

+10 -0

+10 -0

+15 -0

+15 -0

+25 -0

+25 -0

+35 -0

+35 -0

+50 -0

+50 -0

+50 -0

+50 -0

+75 -0

+75 -0

+75 -0

+75 -0

+75 -0

+75 -0

Clamp

Load

(lb.)

2,700

3,300

4,080

4,560

6,000

6,400

7,540

8,230

10,200

11,400

13,330

14,930

16,800

20,160

24,000

26,500

30,860

33,430

40,875

42,750

47,330

53,000

60,300

66,300

71,450

81,820

87,250

97,250

Torque

or

(ft-lb.)

10

12

20

24

40

48

68

76

100

115

140

160

200

215

340

370

530

560

795

840

1175

1325

1680

1850

2200

2490

2910

3280

Tolerance

+ or -

(ft-lb.)

+3 -0

+3 -0

+5 -0

+5 -0

+5 -0

+5 -0

+10 -0

+10 -0

+10 -0

+10 -0

+10 -0

+10 -0

+15 -0

+15 -0

+25 -0

+25 -0

+35 -0

+35 -0

+50 -0

+50 -0

+50 -0

+50 -0

+75 -0

+75 -0

+75 -0

+75 -0

+75 -0

+75 -0

Clamp

load

(lb.)

3,000

3,600

4,800

5,760

8,000

9,600

11,660

13,030

15,000

17,250

18,670

21,330

24,000

25,800

34,000

37,000

45,430

48,000

59,625

63,000

78,330

88,330

100,800

111,000

120,000

135,820

145,500

164,000

F

ORM

N

O.

29702

l

l

l

l

l

544C/544D B

OOM

M

AINTENANCE