Bush Hog 3860 QT manual Torque Specifications, American

Page 45

TORQUE SPECIFICATIONS

 

 

Proper toque for American fasteners used on Bush Hog equipment.

 

 

Recommended Torque in Foot Pounds (Newton Meters).*

AMERICAN

 

 

 

 

 

 

 

Bolt Head Markings

 

 

BOLT DIAMETER

 

 

 

 

 

WRENCH

(IN.) “B” AND

SAE

SAE

SAE

 

 

 

 

SIZE (IN.) “A”

THREAD SIZE

GRADE 2

GRADE 5

GRADE 8

SAE Grade 2

(No Dashes)

SAE Grade 5

(3 Dashes)

Bolt

“B”

Diameter

Wrench

Size “A”SAE Grade 8 (6 Dashes)

7/16

1/4 - 2O UNC

6

(7)

8 (11)

12

(16)

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

Wrench

Size “A” 8.8

Bolt

“B”

Diameter

Proper torque for metric fasteners used on Bush Hog equipment.

Recommended torque in foot pounds (newton Meters).*

WRENCH

BOLT

 

 

 

 

 

 

 

SIZE

DIA.

ASTM

ASTM

ASTM

ASTM

(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)

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.

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)

43

Image 45
Contents Bush HOG Congratulations 3860 QT Table of ContentsDisclaimer of Implied Warranties & Consequential Damages This Limited Warranty Shall not ApplyDealer Preparation Check List Important Safety Precautions TractorLoader Operating the Loader Safety PrecautionsEmployee Tractor Operating Instructions EMPLOYERS, Employees and OperationsIntroduction and Description IntroductionDescription Model 3860 QT Technical Specifications Installation Installation InstructionsTractor Preparation Important NoticeForward Side Front BracketSubframe Crosstube Torque Identification Lift and Support ALL Loader COMPO- Nents SafelyTransmission Fluid PRE-OPERATION InstructionsInitial Loader Operation External Loader AND/OR Tractor ValveNeutral Position Bucket Level IndicatorFloat Position Initial Loader OperationRemote Hoses Support Maintenance Daily ChecksLoader Lubrication Operating Instructions General SafetyBucket Level Gauge ROD OperationLifting the Load Filling the BucketDumping the Bucket Carrying the LoadLowering the Bucket Not this Do this Dump Lower LeverOperating with Float Control FloatFloat Surface Material Loading from a Bank Backfilling Peeling and Scraping3RD CUT , 4TH CUT, ETC Do this Loading LOW Trucks or Spreaders from a PileBack Grading Soil PileSetting recommended Troubleshooting Procedures Problem Possible Cause RemedyDismounting the Loader Page Mounting the Loader Page Installation & Operation of Quick Draw Latch Attach Upper channel Weld-in center support Bucket or attachment Installing Bucket or Attachment to Quick Draw Latch Attach Page Removing Bucket or Attachment from Quick Draw Latch Attach Bucket Attachment Quick Draw BucketSingle Tine KIT Super Penetrator Bale Probe Attachment Dozer Attachment Manure Fork AttachmentOperating Instructions for Dismounting Dozer from Loader Parking Angles Pallet Fork AttachmentGrapple Attachment Page Operating Instructions Page Supplemental Instructions For Ford Genesis Special Safety Decals Decals American Torque Specifications