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Section 8: Torque Values Chart 

Table of Contents

RGR12 & RGA12 Series Rotary Tillers 311-948M

1/7/19

34

Section 8: Torque Values Chart

Torque Values Chart for Common Bolt Sizes

Bolt Head Identification

Bolt Head Identification

Bolt Size 

(inches)

Grade 2

Grade 5

Grade 8

Bolt Size

(Metric)

Class 5.8

Class 8.8

Class 10.9

in-tpi

 1

N · m 

2

ft-lb 

3

N · m

ft-lb

N · m

ft-lb

mm x pitch 

4

N · m

ft-lb

N · m

ft-lb

N · m

ft-lb

1/4" - 20

7.4

5.6

11

8

16

12

M 5 X 0.8

4

3

6

5

9

7

1/4" - 28

8.5

6

13

10

18

14

M 6 X 1

7

5

11

8

15

11

5/16" - 18

15

11

24

17

33

25

M 8 X 1.25

17

12

26

19

36

27

5/16" - 24

17

13

26

19

37

27

M 8 X 1

18

13

28

21

39

29

3/8" - 16

27

20

42

31

59

44

M10 X 1.5

33

24

52

39

72

53

3/8" - 24

31

22

47

35

67

49

M10 X 0.75

39

29

61

45

85

62

7/16" - 14

43

32

67

49

95

70

M12 X 1.75

58

42

91

67

125

93

7/16" - 20

49

36

75

55

105

78

M12 X 1.5

60

44

95

70

130

97

1/2" - 13

66

49

105

76

145

105

M12 X 1

90

66

105

77

145

105

1/2" - 20

75

55

115

85

165

120

M14 X 2

92

68

145

105

200

150

9/16" - 12

95

70

150

110

210

155

M14 X 1.5

99

73

155

115

215

160

9/16" - 18

105

79

165

120

235

170

M16 X 2

145

105

225

165

315

230

5/8" - 11

130

97

205

150

285

210

M16 X 1.5

155

115

240

180

335

245

5/8" - 18

150

110

230

170

325

240

M18 X 2.5

195

145

310

230

405

300

3/4" - 10

235

170

360

265

510

375

M18 X 1.5

220

165

350

260

485

355

3/4" - 16

260

190

405

295

570

420

M20 X 2.5

280

205

440

325

610

450

7/8" - 9

225

165

585

430

820

605

M20 X 1.5

310

230

650

480

900

665

7/8" - 14

250

185

640

475

905

670

M24 X 3

480

355

760

560

1050

780

1" - 8

340

250

875

645

1230

910

M24 X 2

525

390

830

610

1150

845

1" - 12

370

275

955

705

1350

995

M30 X 3.5

960

705

1510

1120

2100

1550

1-1/8" - 7

480

355

1080

795

1750

1290

M30 X 2

1060

785

1680

1240

2320

1710

1-1/8" - 12

540

395

1210

890

1960

1440

M36 X 3.5

1730

1270

2650

1950

3660

2700

1-1/4" - 7

680

500

1520

1120

2460

1820

M36 X 2

1880

1380

2960

2190

4100

3220

1-1/4" - 12

750

555

1680

1240

2730

2010

1

 in-tpi = nominal thread diameter in inches-threads per inch

1-3/8" - 6

890

655

1990

1470

3230

2380

2

 N· m = newton-meters

1-3/8" - 12

1010

745

2270

1670

3680

2710

3

 ft-lb= foot pounds

1-1/2" - 6

1180

870

2640

1950

4290

3160

mm x pitch = nominal thread diameter in millimeters x thread 

pitch

1-1/2" - 12

1330

980

2970

2190

4820

3560

Torque tol 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.

Additional Torque Values

Driveline conical dog pin

45 to 50 ft-lbs

6 Gear case mounting bolts, 1/2"-20 x 1" GR5

85 ft-lbs Maximum (Do not exceed)

5.8

8.8

10.9

Содержание RGR12 Series

Страница 1: ...nual entirely When you see this symbol the subsequent instructions and warnings are serious follow without exception Your life and the lives of others depend on it Rotary Tillers RGR12 RGA12 Series 31...

Страница 2: ...red the weights and measurements are no longer accurate for your machine Update the record by adding the machine weight and measurements provided in the Specifications Capacities Section of this manua...

Страница 3: ...e Requirements 8 Tractor Shutdown Procedure 8 Park Stand Set up 8 Cone Shield Adjustment 8 Upper Hitch Plate Assembly 9 Manual Storage Tube Assembly 9 Lower 3 Point Hitch Pin Assembly 9 RGR12 Series F...

Страница 4: ...the appropriate App on your smart phone open the App point your phone on the QR code and take a picture Dealer QR Locator The QR code on the left will link you to available dealers for Land Pride prod...

Страница 5: ...ldren to play on the power machine or implement Use extra caution when backing up Before the tractor starts to move look down and behind to make sure the area is clear Safety at All Times Careful oper...

Страница 6: ...ocation Allow only enough slack in the chain to permit turning Always hitch the implement to the machine towing it Do not use the safety chain tow the implement Transport Safely Comply with federal st...

Страница 7: ...ones while operating equipment Use Seat Belt and ROPS Land Pride recommends the use of a CAB or roll over protective structures ROPS and seat belt in almost all power machines Combination of a CAB or...

Страница 8: ...er visit our dealer locator at www landpride com 3 Some new equipment installed during repair requires safety labels to be affixed to the replaced component as 70274 RGR12 Series specified by Land Pri...

Страница 9: ...portant Safety Information Table of Contents RGR12 RGA12 Series Rotary Tillers 311 948M 1 7 19 5 70273 RGA12 Series 70272 858 519C RGA12 Series Cluster Decal 818 543C RGR RGA Series Guard Missing Haza...

Страница 10: ...RGA12 Series Rotary Tillers 311 948M 1 7 19 6 818 540C RGR RGA Series Guard Missing Hazard 818 552C RGR RGA Series Rotating Driveline Hazard RGA1258 Shown Applicable for both RGA RGR Series 70275 3037...

Страница 11: ...ng family of new product owners This Rotary Tiller has been designed with care and built by skilled workers using quality materials Proper assembly maintenance and safe operating practices will help y...

Страница 12: ...shield 3 Tighten metric bolts 13 to the correct torque Tractor Requirements Tractor horsepower should be within the range noted below Tractors outside the horsepower range must not be used Hitch Cate...

Страница 13: ...orque Manual Storage Tube Assembly Refer to Figure 1 1 1 Attach manual storage tube 16 to hitch plate 2 with 1 4 20 x 1 1 4 GR5 bolts 14 flat washers 15 17 and nylock hex nuts 18 as shown 2 Tighten ny...

Страница 14: ...Deflector Chain below if your tiller is the RGA12 Series 2 Attach rubber deflector 1 to tiller frame with 3 8 16 x 1 1 4 GR5 hex bolts 2 lock washers 3 and 1 1 2 fender washers 4 3 Tighten hex bolts 2...

Страница 15: ...rear deflector with hex nuts 2 6 Tighten hex nuts 2 to the correct torque 7 Hook free end of deflector chain 1 in chain hook D Refer to Rear Deflector Adjustment on page 21 for additional instructions...

Страница 16: ...ing tractor with tiller attached 3 Point Hook Up Refer to Figure 1 5 1 Make sure you have read and follow all Safety Alerts and notes in boxes listed under Hook Up Rotary Tiller on this page before co...

Страница 17: ...eed which does not allow adequate control of steering and stopping and never exceed 20 mph 32 2 km h with attached equipment Rough terrain requires a slower speed Check driveline when lowering tiller...

Страница 18: ...12 Continue with Check Driveline Maximum Length on page 15 30563 Driveline Shortening Figure 1 6 Check Driveline Collapsible Length Refer to Figure 1 6 1 With driveline attached only to the tiller re...

Страница 19: ...es not have a lift height limiter make a mark with tape or other means to indicate maximum 24 lift height 5 If needed repeat steps 1 4 until all limits mentioned in step 3 are maintained 6 Start tract...

Страница 20: ...ome entangled in rotating components causing serious bodily injury or death Do not engage power take off while hooking up or unhooking the driveline or while someone is standing near the driveline A p...

Страница 21: ...he area For contact information see Dig Safe in the Important Safety Information starting on page 1 CAUTION To avoid minor or moderate injury Some tractors are equipped with two power take off speeds...

Страница 22: ...ire retainer is caught over end of pin 2 Set Park Stand For Storage WARNING To avoid serious injury or death An unsupported parked tiller can tip over Always use park stand and or support blocks to pr...

Страница 23: ...hold while pulling driveline yoke from tractor power take off shaft 5 Remove upper 3 point hitch pin keeper 6 and hitch pin 5 from the tiller s upper center hitch 6 Remove linchpins 4 and slide lower...

Страница 24: ...tractor cut the driveline to proper length run in the clutch and gone through the Operating Checklist If you have missed any of these steps please complete them before proceeding Now that you have pro...

Страница 25: ...support blocks under the tiller not under the skid shoes 4 Start tractor and lower tiller onto the support blocks 5 Shut tractor down before dismounting using Tractor Shutdown Procedure on page 8 6 T...

Страница 26: ...should be off the ground by several inches 3 Shut tractor down before dismounting using Tractor Shutdown Procedure on page 8 4 Remove wire retaining pin 6 bolt 4 and locknut 5 5 Remove bolts 3 and loc...

Страница 27: ...plement with other brands Other brands may not fit properly or meet OEM Original Equipment Manufacturer specifications They can weaken the integrity and impair the safety function performance and life...

Страница 28: ...ure 4 3 5 Inspect clutch and ensure that the scribed markings made on the clutch plates have changed position Slippage has not occurred if any two marks on the friction disk and plate are still aligne...

Страница 29: ...hing 5 is replaced in the same location as when removed Install bolts 3 through end plates and intermediate plates as shown Place springs 2 over each bolt and secure with nuts 1 Clutch Spring Length F...

Страница 30: ...nt is worn or scratched to prevent rust Ask your Land Pride dealer for aerosol touch up paint They are also available in touch up bottles with brush quarts and gallon sizes by adding TU QT or GL to th...

Страница 31: ...he tractor and slide apart Clean and coat the inner profile of the driveline with a light film of grease and then reassemble Type of grease Multi Purpose Quantity Coat Generously 8 Hours 20 Hours 50 H...

Страница 32: ...urface Shut tractor down before dismounting using Tractor Shutdown Procedure on page 8 2 Remove bolts 5 lock washers 6 and gear case cover 1 Drain oil into a container that is appropriate for collecti...

Страница 33: ...lugs when done Change Gearbox Oil 1 Change gearbox oil every 100 hrs of operation or when oil becomes dirty whichever comes first 2 Drain oil into a container that is appropriate for collecting oil Re...

Страница 34: ...mber of flanges on rotor 5 6 7 8 9 10 Number of tines per flange 6 Tine construction Alloy steel heat treated C shaped blades Rotor rotation Reverse rotation Rotor swing diameter 17 Rotor shaft speed...

Страница 35: ...10 Number of tines per flange 6 Tine construction Alloy steel heat treated C shaped blades Rotor rotation Forward rotation Rotor swing diameter 17 Rotor shaft speed 211 rpm at 540 rpm power take off...

Страница 36: ...ustments Formed and reinforced rear deflector Keeps dirt in and leaves a level finish Forming gives deflector additional strength Adjustable deflector allows for various finish results Front deflector...

Страница 37: ...sufficient Tiller is carried by tractor Tractor has insufficient power Skid shoes need adjusting Tines are worn or bent Tines are incorrectly installed Obstacles are entangled in tines and or rotor Lo...

Страница 38: ...5 115 240 180 335 245 5 8 18 150 110 230 170 325 240 M18 X 2 5 195 145 310 230 405 300 3 4 10 235 170 360 265 510 375 M18 X 1 5 220 165 350 260 485 355 3 4 16 260 190 405 295 570 420 M20 X 2 5 280 205...

Страница 39: ...sed for a purpose for which the product is not designed Misuse also specifically includes failure to properly maintain oil levels grease points and driveline shafts Claims under this Warranty should b...

Страница 40: ...Corporate Office P O Box 5060 Salina Kansas 67402 5060 USA www landpride com...

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