Bush Hog RFM 60 manual Torque Specifications, SAE Grade Dashes

Page 19

AMERICAN

Bolt Head Markings

TORQUE SPECIFICATIONS

Proper toque for American fasteners used on Bush Hog equipment.

Recommended Torque in Foot Pounds (Newton Meters).*

WRENCH

BOLT DIAMETER

SAE

SAE

SAE

(IN.) “B” AND

SIZE (IN.) “A”

THREAD SIZE

GRADE 2

GRADE 5

GRADE 8

7/16

1/4 - 2O UNC

6 (7)

8 (11)

12 (16)

Wrench Size “A”

SAE Grade 2 (No Dashes)

SAE Grade 5

(3 Dashes)

Bolt “B”

Diameter

SAE Grade 8

(6 Dashes)

7/16

1/4 - 28 UNF

6

(8)

10

(13)

14

(18)

1/2

5/16 - 18 UNC

11

(15)

17

(23)

25

(33)

1/2

5/16 - 24 UNF

13

(17)

19

(26)

27

(37)

9/16

3/8 - 16 UNC

20

(27)

31

(42)

44

(60)

9/16

3/8 - 24 UNF

23

(31)

35

(47)

49

(66)

5/8

7/16 - 14 UNC

32

(43)

49

(66)

70

(95)

5/8

7/16 - 20 UNF

36

(49)

55

(75)

78 (106)

3/4

1/2 - 13 UNC

49

(66)

76 (103)

106

(144)

3/4

1/2 - 20 UNF

55

(75)

85 (115)

120

(163)

7/8

9/16 - 12 UNC

70

(95)

109

(148)

153

(207)

7/8

9/16 - 18 UNF

79 (107)

122

(165)

172

(233)

15/16

5/8 - 11 UNC

97 (131)

150

(203)

212

(287)

15/16

5/8 - 18 UNF

110

(149)

170

(230)

240

(325)

1-1/8

3/4 - 10 UNC

144

(195)

266

(360)

376

(509)

1-1/8

3/4 - 16 UNF

192

(260)

297

(402)

420

(569)

1-5/16

7/8 - 9 UNC

166

(225)

430

(583)

606

(821)

1-5/16

7/8 - 14 UNF

184

(249)

474

(642)

668

(905)

1-1/2

1 - 8 UNC

250

(339)

644

(873)

909 (1232)

1-1/2

1 - 12 UNF

274

(371)

705

(955)

995 (1348)

1-1/2

1 - 14 UNF

280

(379)

721

(977)

1019

(1381)

1-11/16

1-1/8 - 7 UNC

354

(480)

795 (1077)

1288(1745)

1-11/16

1-1/8 - 12 UNF

397

(538)

890 (1206)

1444

(1957)

1-7/8

1-1/4 - 7 UNC

500

(678)

1120

(1518)

1817

(2462)

1-7/8

1-1/4 - 12 UNF

553

(749)

1241

(1682)

2013

(2728)

2-1/16

1-3/8 - 6 UNC

655

(887)

1470

(1992)

2382

(3228)

2-1/16

1-3/8 - 12 UNF

746 (1011)

1672

(2266)

2712

(3675)

2-1/4

1-1/2 - 6 UNC

870 (1179)

1950

(2642)

3161

(4283)

2-1/4

1-1/2 - 12 UNF

979 (1327)

2194

(2973)

3557

(4820)

METRIC

Bolt “B”

 

Diameter

Wrench

Size “A” 8.8

Numbers appearing on bolt heads indicate ASTM class.

*Use 75% of the specified torque value for plated fasteners. Use 85% of the specified torque values for lubricated fasteners.

Proper torque for metric fasteners used on Bush Hog equipment.

Recommended torque in foot pounds (newton Meters).*

WRENCH

 

 

 

BOLT

ASTM

ASTM

ASTM

ASTM

SIZE

 

 

 

DIA.

(mm) “A”

 

 

(mm) “B”

4.6

8.8

9.8

10.9

 

8

 

 

5

1.8

(2.4)

 

 

5.1

(6.9)

6.5

(8.8)

 

10

 

 

6

3

(4)

 

 

8.7 (12)

11.1 (15)

 

13

 

 

8

7.3 (10)

 

 

21.1 (29)

27

(37)

 

16

 

 

10

14.5 (20)

 

 

42

(57)

53

(72)

 

18

 

 

12

25

(34)

74 (100)

73

(99)

93 (126)

 

21

 

 

14

40

(54)

118

(160)

116

(157)

148

(201)

 

24

 

 

16

62

(84)

167

(226)

181

(245)

230

(312)

 

30

 

 

20

122

(165)

325

(440)

 

 

449

(608)

 

33

 

 

22

 

 

443

(600)

 

 

611

(828)

 

36

 

 

24

211

(286)

563

(763)

 

 

778 (1054)

 

41

 

 

27

 

 

821 (1112)

 

 

1138

(1542)

 

46

 

 

30

418

(566)

1119

(1516)

 

 

1547

(2096)

 

 

17

 

 

 

 

 

 

 

 

 

 

 

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Contents Bush HOG Congratulations Operator’sRFM 60Manual Table of ContentsDisclaimer of Implied Warranties & Consequential Damages This Limited Warranty Shall not ApplyDealer Preparation Check List Your Safety is Involved Safety Alert SymbolImportant Safety Precautions Employee Tractor Operating Instructions EMPLOYERS, Employees and OperationsRops Introduction Section Introduction and DescriptionDescription Attaching to Tractor Section Preparation for USEFlex-Link Tractor Top Link Lower Lift Arm Cutting Height Adjustment General SafetySection Operating Instructions After Each USE Section MaintenanceMaintenance Check List Before Each USEFront Belt AdjustmentBelt Replacement RFM 60 Belt DiagramWear Heavy Work Gloves to PRO Blade ReplacementTroubleshooting Problem Probable Cause RemedySection Dealer AssemblyRFM Safety Decals SAE Grade Dashes Torque SpecificationsGriffin Avenue Selma, AL Telephone 334
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