background image

8

M4

M5

M6

M7

M8

M10 M12 M14 M16 M18 M20 M22 M24 M27

N·m

2

4

7

11

18

32

58

94

144

190

260

368

470 707

ft.-lb. 1.5

3

5.2

8.2

13.5

24

43.5 70.5 108

142

195

276

353 530

N·m

3

6

10

16

25

47

83

133

196

269

366

520

664 996

ft.-lb. 2.2

4.5

7.5

12

18.8

35.2 62.2 100

147

202

275

390

498 747

N·m

3.6

7

11

20

29

58

100

159

235

323

440

628

794 1205

ft.-lb. 2.7

5.2

8.2

15

21.8

43.5

75

119

176

242

330

471

596 904

1/4

5/16 3/8

7/16

1/2

9/16

5/8

3/4

7/8

1

1 1/8

ft.-lb. 9

18

31

50

75

110

150

250

378

583

782

N·m

12

24

42

68

102

150

203

339

513

790 1060

ft.-lb. 13

28

46

75

115

165

225

370

591

893 1410

N·m

18

38

62

108

156

224

305

502

801 1211 1912

ft.-lb. 24

40

N·m

33

54

TORQUE SPECIFICATIONS

HEX HEAD CAP SCREWS

* Grade 5 marking –               Minimum commercial quality (Lower quality not recommended).

U.S. Standard Hardware

Grade

Shank Size (Diameter in inches, fine or coarse thread)

SAE

 

grade

5 *

SAE

grade

8 **

Flangelock

Screw w/

Flangelock

Nut

The torque values shown should be used as a general guideline when specific torque values are not given.

** Grade 8 marking –

Grade

Shank Size (Diameter in millimeters, fine or coarse thread)

Grade

8.8*

Grade

10.9**

Grade

12.9 ***

Metric Standard Hardware

* Grade 8.8 marking –                    ** Grade 10.9 marking –                     *** Grade 12.9 marking –

8.8

10.9

12.9

Summary of Contents for 544863B

Page 1: ...Part No 524483 Rev 3 TECHNICAL MANUAL Safety Operations Maintenance Parts LAWNAIRE IV MODELS 544863B STANDARD MODELS 544881A COMMERCIAL...

Page 2: ...person who operates the equipment damage the equipment This manual contains essential operation and safety information and must remain with the unit at all times within easy access of any operator Add...

Page 3: ...400 100 RPM 0 66 gal 2 5L metal fuel tank Clutch Belt tightener type controlled from handle Chassis Welded steel construction Drive Primary V belt w idler clutch Secondary 40 sealed roller chain to ti...

Page 4: ...rdware at this time 4197 5328 2 1 3 Figure 2 Handle Attachment 1 Tine Axle Square Washer 2 Handle Assembly 3 Mounting Hardware 4 Position center support as shown in Figure 3 and attach to bracket on h...

Page 5: ...control plate Pull clutch handle all the way rearward Move casing and wire to end of travel to move throttle control to FAST position Tighten casing clamp screw See Figure 7 THROTTLE STOP SCREW THROTT...

Page 6: ...utch Control Handle NOTICE The Lawnaire IV is available with either a 3 5 HP Briggs Stratton engine or a 4 HP Honda engine Briggs Stratton Engine Controls The engine is equipped with an On Off control...

Page 7: ...n refueling BE SURE to reinstall fuel cap after refueling NEVER start or run the engine inside where exhaust fumes can collect Carbon monoxide present in the exhaust is an odorless and deadly gas DO N...

Page 8: ...s before and after each lubrica tion Always lubricate aerator each time it is put into ser vice Keep drive belt free of oil and dirt Check roller chains for tightness and wear Apply a light coat of no...

Page 9: ...ht from aerator frame bar must be removed and locking shaft installed through aerator frame Removal of weight bar from unit and draining water tank will decrease the weight for easier loading on vehic...

Page 10: ...2 150 203 339 513 790 1060 ft lb 13 28 46 75 115 165 225 370 591 893 1410 N m 18 38 62 108 156 224 305 502 801 1211 1912 ft lb 24 40 N m 33 54 TORQUE SPECIFICATIONS HEX HEAD CAP SCREWS Grade 5 marking...

Page 11: ...9 NOTES...

Page 12: ...10 AERATING AND DRIVE GROUP...

Page 13: ...Nut flangelock 5 16 18 3 28 821274 Plug drain 1 29 547921 Tine wheel assembly complete 1 30 306501 Screw 5 16 18 x 1 1 2 3 31 521582 Sprocket 1 32 521588 Bushing 3 33 522229 Sprocket drive 1 34 522361...

Page 14: ...12 CHASSIS Obtain Engine Locally 57...

Page 15: ...ning 1 28 522131 Decal operating instructions 1 29 545844 Weight 1 30 545904 Stop assembly 1 31 306409 Screw 1 4 20 x 7 8 1 32 306488 Lockwasher 1 4 1 33 522516 Mount isolation 1 34 548175 Washer 1 4...

Page 16: ...14 CONTROLS AND HANDLE GROUP...

Page 17: ...ble 1 23 523898 Spring 1 24 547445 Cable clutch 1 25 547646 Handle clutch 1 26 540311 Handle aerator 1 27 547735 Cable throttle Honda 1 28 547854 Bellcrank 1 29 548225 Fitting lubrication 1 30 548804...

Page 18: ...16 HEIGHT ADJUSTER TRANSPORT FRAME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 28 2...

Page 19: ...2 15 524649 Handle height adjustment 1 16 524643 Bearing split 4 17 545931 Wheel 2 18 547675 Frame transport 1 19 522440 Spacer 2 20 548804 Nut 3 8 16 flangelock 4 21 800385 Screw flangelock 3 8 16 x...

Page 20: ...18...

Page 21: ...to Attn Company Name Street Address City State Zip E260030 LAWNAIRE IV LAWNAIRE V VIDEO 2 50 Shipping and Handling Per Tape Part No Description Qty Each Total Total Enclosed 10 00 2 50 Make checks pay...

Page 22: ...20...

Page 23: ...arranty does not cover any Ransomes Cushman Ryan unit or serialized accessory that has been subject to misuse neglect negligence or accident or that has been operated or maintained in any way contrary...

Page 24: ...ignition points light bulbs fuses or starter drive Periodic checking or adding of lubricant to the unit or service check up tune up or diagnosis Expense of delivering the unit to the dealer and expens...

Page 25: ...23...

Page 26: ...24...

Page 27: ...25...

Page 28: ...26...

Page 29: ...ontient des prouits chimiques que l Etat de Californie consid re tre canc rig nes provoquer des d fauts cong nitaux et d autres dangers en mati re de reproduction Advertissement El estado de Californi...

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