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30

6 INCH CHIPPER

SPECIFICATIONS

SAE 2

SAE 5

SAE

Grade

and

Head

Markings

BOLT DIAMETER

SAE 8

10.9

4.8

8.8

12.9

4.8

METRIC

Grade

and

Head

Markings

8.8

10.9

12.9

BOLT DIAMETER

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 BEAR CAT CH6720H

Page 1: ...OWNER S MANUAL ENGLISH PN 72725 00 Rev 010117 Companion to 72726 00 Range 5VJAA0412GW005188 5VJAA0412HW005497 CH6720H 720cc SUBARU 6 INCH CHIPPER www bearcatproducts com...

Page 2: ...IN THE U S A IDENTIFICATION NUMBER LOCATION Your machine will have either a serial number or vehicle identification number VIN VINs are located on the left side of the trailer frame near the hitch The...

Page 3: ...authorized ECHO Bear Cat dealer as well as subsequent failure or damage that may occur as a result of that work will not be paid under this warranty Crary Industries Inc does not warrant replacement c...

Page 4: ...or replaced by Crary Industries Inc according to subsection 4 below Any such part repaired or replaced under warranty will be warranted for the remainder of the period 2 Any warranted part that is sch...

Page 5: ...THIS PAGE INTENTIONALLY LEFT BLANK...

Page 6: ...E CHIPPER 12 4 3 CHIPPER OPERATION GUIDELINES 13 4 4 SLOWING AND STOPPING THE CHIPPER ROTOR AND ENGINE 14 4 5 FEED ROLLER SPEED CONTROL 14 4 6 CHIPPER FEED CONTROLLER 14 4 7 USING THE DIGITAL DISPLAY...

Page 7: ...h a manner that flames or heat from the system will not ignite flammable material Failure of the owner operator of the equipment to comply with this regulation is a misdemeanor under California law an...

Page 8: ...balance and footing at all times 5 Check cutting chamber to verify it is empty before starting the machine 6 The rotor will continue to rotate after being disengaged Shut off the machine and make sur...

Page 9: ...or spark 5 Never store this machine with fuel in the fuel tank inside a building where fumes may be ignited by an open flame or spark Ignition sources can be hot water and space heaters furnaces clot...

Page 10: ...erformance damage or personal injury and will void the machine warranty Read and understand you owners manual before operating If owners manual was not included or you have any questions please call 8...

Page 11: ...s 11 14 not for CE compliant machines 1 10 SAFETY DECAL LOCATIONS The numbers below correspond to the decals in Section 1 9 Make certain that all safety and operating decals on this machine are kept c...

Page 12: ...ount using two 1 2 x 4 bolts 6 and nylock nuts Torque to 75 ft lbs 3 Attach the two safety plates 7 to the hitch pole using the front two holes 1 2 x 4 1 2 hex bolts 8 and nylock nuts Keep the bolts l...

Page 13: ...resistance NOTE 2 3 INSTALL REAR STABILIZER 2 4 ATTACH LICENSE PLATE LIGHT 2 5 ATTACH CHIPPER CHUTE 1 Attach the license plate light to the chute support which is located under the feed chute with tw...

Page 14: ...he chipper frame The discharge clamp 1 should slide underneath the lip of the flange Tighten the bolts to secure it 3 Install the second half of the spacer 2 and clamp ring 1 on the discharge tube wit...

Page 15: ...line Figure 2 8 Attach Discharge Deflector 7 8 9 10 11 12 13 Hydraulic fluid drives the feed roller The machine was shipped with fluid as it was tested at the factory However check the fluid levels be...

Page 16: ...2 14 21 6 17 18 19 20 9 7 Understanding how your machine works will help you achieve the best results when using your chipper The following descriptions define the features and controls of your machin...

Page 17: ...the knob counterclockwise will increase the speed of the feed roller 11 HITCH JACK Used to adjust the height of the hitch Always have in UP position and clear from ground when transporting the chippe...

Page 18: ...CHOKE position 3 Place the chipper engagement lever in the START position 4 Use key switch to start the engine 5 Move the choke to the RUN position 4 2 OPERATING THE CHIPPER After the engine has been...

Page 19: ...8 Alternate green or fresh cut material with dry material to lubricate the chipping blades for longer life and better performance Chipping dead dry material will create heat and dull the chipping bla...

Page 20: ...sensors must be set to the correct clearance or the chipper will not operate Set the clearance to 1 32 the width of a credit card The sensor will flash with every rotation of the chipper rotor when th...

Page 21: ...ayed on the controller Choices are English French Spanish and Portuguese 4 7 2 CHIPPING SCREEN To begin chipping the user needs to enter the Chipping Screen see Figure 4 2 This can be done in one of t...

Page 22: ...vated carefully check that the infeed chute and feed roller are clear and it is safe to continue chipping before resetting the Knee Bar safety system 4 7 3 HOURS SERVICE REMINDERS The Hours Service Re...

Page 23: ...ler fully engages the hitch ball 7 Close the coupler latch securing the coupler to the hitch ball 8 Install the hitch pin through the coupler latch 9 Cross the safety chains under the hitch and connec...

Page 24: ...ank Check fill All internal and external nuts and bolts Check tightness Tire pressure Check Battery connections Check Chipper anvil Check clearance and re torque to 75 ft lbs 2 Chipper blades Check sh...

Page 25: ...EVERY 5 15 HOURS OF OPERATION AND SHARPEN AS NEEDED The controller will indicate a blade anvil service reminder every eight hours as a reminder to check the chipper blades To reset the service remind...

Page 26: ...2 Chipper Blade Surfaces The chipping blades should clear the chipper block located directly under the chipper chute by 1 16 to 1 8 To adjust the blade clearance proceed as follows 1 Remove the two 3...

Page 27: ...ugged lift the engagement handle shut off the engine disconnect the spark plug wire and allow the machine to come to a complete stop before clearing debris Do not operate the machine without proper gu...

Page 28: ...place the belt 1 Remove the belt guard 1 2 Remove idler pulley 2 by removing its 1 2 x 4 1 2 bolt 3 spacers washer and nut 3 Remove the drive belt 4 from the pulleys and discard 4 Inspect pulleys for...

Page 29: ...on spring s of the idler pulley until there is 1 8 3 16 gap between the coils when the idler is engaged 11 Reinstall belt guard LOOSEN BOLTS HYDRAULIC BELT Figure 5 7 Replacing Hydraulic Belt 1 Remove...

Page 30: ...ear in the fluid Refill the reservoir as necessary 5 Run the feed roller in both directions for several minutes until any remaining air purges from the unit Refill the reservoir as necessary 6 Shut do...

Page 31: ...o not over grease bearings Overfilling 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 NOT...

Page 32: ...as not reached chipping RPM upon initial startup Slowly increase RPM 1 2 second on 1 2 second off Chipper RPM dropped while chipping Feed roller will automatically reverse to bring RPM back up RED Sol...

Page 33: ...gagement speed Belt tension too loose Adjust tensioner Replace belt if needed Machine chips poorly Dull chipper blades Flip sharpen or replace Drive belts loose or worn Inspect drive belts adjust or r...

Page 34: ...r is not achieving full RPM Confirm that engine is achieving full RPM Confirm that PTO is 540 RPM Knee bar sensor does not stop feed roller Knee bar linkage is not free to move Check knee bar linkage...

Page 35: ...0 x 1 3 cm Chipping anvil 4 edge adjustable Rotor speed 1 650 RPM Rotor size 26 dia 66 cm dia Rotor weight 165 lbs 75 kg Discharge tube size 6 0 15 3 cm Discharge tube height 104 2 6 m Drive type Belt...

Page 36: ...ied 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...

Page 37: ...ions call 1 800 662 4525 60 40 20 0 20 40 60 80 100 120 Mobil DTE 10 Excel 15 Mobil DTE 10 Excel 22 Mobil DTE 10 Excel 32 Mobil DTE 10 Excel 46 Mobil DTE 10 Excel 68 Mobil DTE 10 Excel 100 Mobil DTE 1...

Page 38: ...000 LB 14900 00 HITCH PINTLE RING 20 000 LB 71930 00 KIT 6 ORCHARD CHUTE 75291 00 KIT SPARE TIRE 76293 00 KIT CHIPPER BLADE 1 2 INCH 76721 00 KIT BATTERY DISCONNECT 76945 00 KIT 6 INCH SAFETY BAR Orc...

Page 39: ...CHO BEAR CAT www bearcatproducts com 237 NW 12th Street West Fargo ND 58078 0849 Phone 701 282 5520 Toll Free 888 645 4520 Fax 701 282 9522 E mail service bearcatproducts com sales bearcatproducts com...

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