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21

8 INCH CHIPPER

ENGLISH

SPECIFICATIONS

The tables below are for reference purposes only and their use by anyone is entirely voluntary, unless otherwise noted. 

Reliance on their content for any purpose is at the sole risk of that person and any loss or damage resulting from the 

use of this information is the responsibility of that person.

7.1 BOLT TORQUE

*Torque value for bolts and capscrews are identified by their head markings.
Torque figures indicated above are valid for non-greased or non-oiled threads and heads unless otherwise specified. Therefore, do not grease or oil 

bolts or capscrews unless otherwise specified in this manual. When using locking elements, increase torque values by 5%.

BOLT DIAMETER (A)

BOLT TORQUE*

SAE 2

SAE 5

SAE 8

NM

FT-LB

NM

FT-LB

NM

FT-LB

1/4"

7.5

5.5

11

8

16

12

5/16"

15

11

23

17

34

25

3/8"

27

20

41

30

61

45

7/16"

41

30

68

50

95

70

1/2"

68

50

102

75

149

110

9/16"

97

70

149

110

203

150

5/8"

122

90

203

150

312

230

3/4"

217

160

353

260

515

380

7/8"

230

170

542

400

814

600

1"

298

220

786

580

1220

900

1-1/8"

407

300

1085

800

1736

1280

1-1/4"

570

420

2631

1940

2468

1820

BOLT  

DIAMETER (A)

BOLT TORQUE*

4.8

8.8

10.9

12.9

NM

FT-LB

NM

FT-LB

NM

FT-LB

NM

FT-LB

M3

0.5

0.4

M4

3

2.2

M5

5

4

M6

6

4.5

11

8.5

17

12

19

14.5

M8

15

11

28

20

40

30

47

35

M10

29

21

55

40

80

60

95

70

M12

50

37

95

70

140

105

165

120

M14

80

60

150

110

225

165

260

190

M16

125

92

240

175

350

255

400

300

M18

175

125

330

250

475

350

560

410

M20

240

180

475

350

675

500

800

580

M22

330

250

650

475

925

675

1075

800

M24

425

310

825

600

1150

850

1350

1000

M27

625

450

1200

875

1700

1250

2000

1500

Summary of Contents for CH8540

Page 1: ...OWNER S MANUAL bearcatproducts com PN 16812 Rev 010117 Companion to 12141 Range G05351 M00346 CH8540 540 PTO Gravity Feed 8 INCH CHIPPER ENGLISH...

Page 2: ...l have either a serial number or vehicle identification number VIN VINs are located on the left side of the trailer frame near the hitch They are 17 digit numbers of the format 5VJAA001XXWXXXXXX Seria...

Page 3: ...ormal wear items including but not limited to batteries bearings belts pulleys filters chipper blades shredder flails or knives 3 This warranty does not cover normal maintenance service or adjustments...

Page 4: ...THE CHIPPER 11 4 2 STOPPING THE CHIPPER 11 4 3 CHIPPER OPERATION GUIDELINES 12 5 SERVICE MAINTENANCE 13 5 1 MAINTENANCE SCHEDULE 13 5 2 ROTOR LOCK 14 5 3 RAISE LOWER ACCESS COVER 14 5 4 CHIPPER BLADES...

Page 5: ...area of operation clear of all persons particularly small children It is recommended that bystanders keep at least 50 feet 15 meters away from the area of operation 8 Do not allow children to operate...

Page 6: ...d opening 12 If the machine becomes clogged the cutting mechanism strikes any foreign object or the machine starts vibrating or making an unusual noise shut off machine immediately and make sure all m...

Page 7: ...wer source remove ignition key and make sure all moving parts have come to a complete stop 10 Keep hands feet and clothing away from all PTO drive parts 11 Do not clean lubricate or adjust the PTO sha...

Page 8: ...place Failure to do so may cause serious injury or death Check blade bolts for proper torque after every 8 hours of operation Check blades and rotate or resharpen daily or as required to keep blades s...

Page 9: ...rrespond to the decals in Section 1 6 Make certain that all safety and operating decals on this machine are kept clean and in good condition Decals that need replacement must be applied to their origi...

Page 10: ...1 1 2 bolts and locknuts Use three bolts on each side and two on the bottom 3 For models with extension trays Attach the extension tray to the chute with five 3 8 1 bolts and nuts Figure 2 1 Attach Ch...

Page 11: ...pacer 1 2 3 4 5 Figure 2 3 Attach Discharge Tube 1 2 5 4 6 2 2 ATTACH DISCHARGE TUBE 5 Lubricate the tube by applying grease to the grease zerk at the base of the tube Rotate the tube and apply grease...

Page 12: ...0 mm Outer Tube Steel Shaft Steel Shaft Inner Tube 1 1 4 from Shield Outer Tube Yoke Shield The driveline supplied with this machine may need to be cut to a shorter length for proper operation with th...

Page 13: ...clockwise to secure discharge cap 3 DISCHARGE TUBE Directs the discharge of chipped material horizontally The discharge tube can be rotated 360 horizontally by removing the pin and rotating the discha...

Page 14: ...10 8 INCH CHIPPER FEATURES CONTROLS 1 2 3 4 5 6 7 8 9 CH8540XE MODEL...

Page 15: ...machine where hardened steel chipper blades are mounted on a rotating rotor assembly Material fed into the chipper chute is sliced into small chips and propelled out through a discharge tube 4 1 START...

Page 16: ...l 3 If the chipper rotor slows stop feeding material and allow the engine to recover Feed material more evenly 4 If the chipper jams remove the branch and rotate it before reinserting into the chute A...

Page 17: ...orque to 75 ft lbs 1 Chipper blades Check sharpness and retorque to 120 ft lbs 1 Entire machine Clean PTO cross journals Lube PTO inner tubes Lube PTO shield retaining bearing Lube Drive belt Check Be...

Page 18: ...ROTOR LOCK Follow the steps below to install the rotor lock 1 There is a hole in the shaft cap the rotor shaft and a matching hole in the bracket mounted to the rotor bearing 2 Rotate the rotor assemb...

Page 19: ...s have two edges and can be reversed one time before sharpening Chipping blades are sharp Use caution when working on machine to avoid injury WARNING 5 6 SHARPENING THE BLADES 5 7 INSTALLING THE BLADE...

Page 20: ...L SPACER 1 2 BOLT 1 16 1 8 Figure 5 5 Chipper Blade Anvil Clearance 2 Loosen the three 1 2 inch bolts that hold the chipper anvil to the frame See Figure 5 4 for anvil location 3 Adjust anvil inward o...

Page 21: ...2 Taking a rubber mallet tap the rotor shaft until the rear collar is tight against the rear bearing Tighten the bolt and lock the set screws on both bearings Torque to 180 inch lbs 20 Nm Reinstall fr...

Page 22: ...g can lead to excessive heat and or unseating of the seals Add grease slowly and under light pressure Whenever possible rotate bearing slowly while lubricating NOTE Lubricate the machine periodically...

Page 23: ...ance to recommended distance Excessive vibration while running Dull chipper blades Flip sharpen or replace Drive system vibration Check drive belts bearings and pulleys for bad or worn areas Check for...

Page 24: ...3 cm diameter Chipper blades 4 reversible 5 4 0 5 4 reversible 12 7 cm 10 2 cm 1 3 cm Chipping anvil 9 4 0 625 22 9 cm 10 2 cm 1 6 cm Rotor speed 1500 RPM Rotor size 30 diameter 1 25 76 cm diameter 3...

Page 25: ...es by 5 BOLT DIAMETER A BOLT TORQUE SAE 2 SAE 5 SAE 8 NM FT LB NM FT LB NM FT LB 1 4 7 5 5 5 11 8 16 12 5 16 15 11 23 17 34 25 3 8 27 20 41 30 61 45 7 16 41 30 68 50 95 70 1 2 68 50 102 75 149 110 9 1...

Page 26: ...22 8 INCH CHIPPER Section 8 OPTIONS PART NUMBER DESCRIPTION 71725 00 KIT LOW PROFILE DISCHARGE CHUTE 76293 00 KIT CHIPPER BLADE 1 2 INCH Chipper Blade Kit 76293 00 Low Profile Discharge Chute 71725 00...

Page 27: ...ECHO Bear Cat bearcatproducts com 237 NW 12th Street West Fargo ND 58078 0849 Phone 701 282 5520 Toll Free 888 625 4520 Fax 701 282 9522 E mail service bearcatproducts com sales bearcatproducts com...

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