Bush Hog GC-250 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

Wrench Size “A”

SAE Grade 2 (No Dashes)

SAE Grade 5

(3 Dashes)

 

lt “B”

Bor

 

 

te

me

ia

 

D

 

 

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

Bor“

 

 

lt

 

 

 

 

 

B

 

 

 

e

 

 

 

 

t

 

 

 

 

e

 

 

 

m

 

 

 

ia

 

 

 

 

D

 

 

 

 

Wrench

Size “A” 8.8

Numbers appearing on bolt heads indicate ASTM class.

*Use 75% of the spe cified to rque value f or plated fasteners. Us e 85% of the spec ified 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

Image 19
Contents Bush HOG Congratulations Retail CUSTOMER’S Responsibility Under the Bush HOG Warranty Table of ContentsLimited Warranty Child Labor Under 16 Years Old Osha RegulationsSec a Each employer Preparation Important Safety PrecautionsTo avoid personal injury, follow these procedures TrainingSlopes Slope Angle Guide This s ymbol is used to call attenti on to safety This Safety Alert Symbol means ATTENTION! Become AlertSafety Decals Description Section Preparation for InstallationSection Introduction Description IntroductionInstalling the Weight Kit ! Warning Section Installation and SetupInstalling the Boot Assembly M achine. Refer to Fig ure 7 . Note These Installing the FrameOrder to mount t he grass catcher frame to t he ZT It will be necessary to remove the rear bumper from5Installation /Removal ofCollection Bags Installing the Top and Inlet TubeDo not ove rti ghte n the nu t Tighten t he blade bol t to 76 ft-lb s torq ue Blade Ins talla tionSection Operating Instructions Removal of the Weight Kit Section MaintenanceMaintenance Checklist Section Tips Troubleshooting SAE Grade Dashes Torque SpecificationsPage

GC-250 specifications

The Bush Hog GC-250 is a versatile and robust piece of equipment designed for both homeowners and professionals seeking efficient land management solutions. This compact tractor is renowned for its ability to handle a variety of tasks, making it an ideal choice for those requiring a reliable machine for maintenance and landscaping duties.

One of the standout features of the GC-250 is its powerful engine. Equipped with a dynamic, fuel-efficient diesel engine, this tractor delivers impressive torque and power while maintaining excellent fuel economy. This means users can tackle tough jobs without the worry of frequent refueling, making it perfect for extended workday projects.

The GC-250 boasts a user-friendly design, highlighted by its comfortable operator station. The ergonomically designed seat, intuitive controls, and spacious layout contribute to an enjoyable work experience. Additionally, the tractor's compact size enhances maneuverability, allowing it to navigate tight spaces and uneven terrain with ease.

Another key characteristic of the Bush Hog GC-250 is its durability. Built with high-quality materials and advanced manufacturing processes, this tractor is designed to withstand harsh conditions and heavy use. The robust frame and high-strength components ensure longevity, making it a reliable investment for years to come.

The GC-250 also features a well-engineered hydraulic system, providing impressive lifting power. This enhances the tractor's ability to handle various attachments, such as loaders, mowers, and backhoes, increasing its versatility. The hydraulic quick-attach system facilitates swift transitions between different attachments, reducing downtime and improving overall efficiency.

Safety is a fundamental aspect of the design of the Bush Hog GC-250. Features such as a ROPS (Roll-Over Protective Structure) and safety interlocks are incorporated to protect the operator during operation. The visibility from the operator station is optimized, allowing for better awareness of surroundings, which is vital in preventing accidents.

In conclusion, the Bush Hog GC-250 stands out as a reliable, efficient, and versatile tractor suitable for a range of applications. With its powerful engine, user-friendly design, durable construction, advanced hydraulic system, and built-in safety features, it is an excellent choice for anyone looking to enhance their land maintenance capabilities. Whether for residential use, small farms, or landscaping projects, the GC-250 offers impressive performance and value.