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4

3 INCH CHIPPER/SHREDDER

SAFETY

1.7 SAFETY DECALS

Do not operate machine without shields in place. 

Failure to do so may cause serious injury or death.

Keep hands and feet out of inlet and 

discharge openings while machine is 

operating  to  avoid  serious  personal  injury. 

Stop and allow machine to come to a complete stop before clearing 

obstructions.

Do not insert branches larger than 3/4 

inch into shredder or machine damage 

may occur.

Do not insert branches larger than 3 inches in diameter into chipper. 

Machine damage may occur. Refer to owners manual for operating 

instructions and recommendations.
Keep hands and feet out of inlet and discharge openings while machine 

is operating to avoid serious personal injury. Stop and allow machine to 

come to a complete stop before clearing obstructions.

Read and understand you owners manual before operating. If owners 

manual was not included or you have any questions, please call 

800.247.7335 or 701.282.5520 

(U.S.A.).
Do not operate this equipment 

in the vicinity of bystanders. Do 

not allow children to operate this 

equipment. Obtain and wear 

safety glasses and use hearing 

protection at all times when 

operating this machine. Before 

inspecting or servicing any part 

of  this  machine,  shut  off  power 

source, disconnect spark plug 

wire from spark plug and make 

sure all moving parts have come 

to a complete stop. Always stand 

clear of discharge area when 

operating this machine. Keep 

face and body away from feed 

and discharge openings. When 

feeding shreddable material 

into chipper, do not allow metal, 

rocks, bottles, cans or any other 

foreign material to be fed into 

chipper or shredder. Before 

inspecting or servicing any part 

of  this  machine,  shut  off  power 

source, disconnect spark plug 

wire from spark plug and make 

sure all moving parts have come 

to a complete stop.
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 sharp. 

Refer to owners manual for 

instructions. Failure to do so 

may cause poor performance, 

damage  or  personal  injury  and 

will void the machine warranty.
Lower lever slowly to engage 

chipper. Pull lever up to 

disengage chipper. Chipper/

shredder rotor will continue 

to rotate when clutch is disengaged. Stop engine and remove spark 

plug wire before cleaning debris from discharge area or servicing this 

machine. Do not operate without discharge screen, inlet flaps and all 

shields in place.

See Section 1.8 for decal locations. Familiarize yourself with all of the safety and operating decals on the machine 

and the associated hazards. See the engine owner’s manual or contact the engine manufacturer for engine safety 

instructions and decals.

1

5

2

3

4

PN 12174

PN 12175

PN 12176

PN 31989-00

PN 31990-00

Operation of this equipment may create 

sparks  that  can  start  fires  around  dry 

vegetation. A spark arrestor may be 

required. The operator should contact local 

fire agencies for laws or regulations relating 

to fire prevention requirements.  

6

PN 33883-00

33883-00

WARNING

ADVERTENCIA

OPERATION OF THIS EQUIPMENT MAY CREATE SPARKS 

THAT CAN START FIRES AROUND DRY VEGETATION. A 

SPARK ARRESTOR MAY BE REQUIRED. THE OPERATOR 

SHOULD CONTACT LOCAL FIRE AGENCIES FOR LAWS 

OR REGULATIONS RELATING TO FIRE PREVENTION 

REQUIREMENTS.  

EL USO DE ESTE EQUIPO PUEDE CREAR CHISPAS 

CAPACES DE INICIAR INCENDIOS EN VEGETACION 

SECA. PODRIA SE NECESARIO USAR UN PARACHISPAS. 

EL OPERADOR DEBERA COMUNICARSE CON CUERPOS 

DE BOMBEROS LOCALES PARA INFORMARSE DE LEYES 

O REGLAMENTOS RELACIONADOS CON LOS 

REQUISITOS EXIGIDOS PARA LA PREVENCION DE 

INCENDIOS.  

Содержание Bear Cat SC3306

Страница 1: ...OWNER S MANUAL ENGLISH PN 70352 00 Rev 012218 Companion to 70509 00 Range J00760 Current SC3306 306cc Briggs Stratton SC3306E 306cc Briggs Stratton Electric 3 INCH CHIPPER SHREDDER bearcatproducts com ...

Страница 2: ...er or the factory For parts contact your authorized dealer The parts manual for your machine is available at bearcatproducts com Product Support Find A Product Manual Your dealer will need to know the identification number of your machine to provide the most efficient service See below for information on how to identify and record the identification number for your machine FOR ENGINE SERVICE OR PA...

Страница 3: ...rmal 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 4 This warranty does not cover depreciation or damage due to misuse negligence accident or improper maintenance 5 This warranty does not cover damage due to improper setup installation or adjustment 6...

Страница 4: ...ERATING THE CHIPPER 11 4 3 CHIPPER OPERATION GUIDELINES 12 4 4 SLOWING AND STOPPING THE CHIPPER ROTOR AND ENGINE 13 5 SERVICE MAINTENANCE 14 5 1 MAINTENANCE SCHEDULE 14 5 2 ROTOR LOCK 15 5 3 CHIPPER BLADES MAINTENANCE 15 5 4 REMOVING THE BLADES 15 5 5 SHARPENING THE BLADES 16 5 6 INSTALLING THE BLADES 16 5 7 SHREDDER KNIVES MAINTENANCE 17 5 8 REMOVING THE SHREDDER KNIVES 17 5 9 ADJUSTING THE CHIPP...

Страница 5: ...tural crops without an engine spark arrestor in continuous effective working order The engine on your power equipment like most outdoor power equipment is an internal combustion engine that burns gasoline or diesel fuel hydrocarbons If operating your power equipment in affected areas it must be equipped with a spark arrestor in continuous effective working order The spark arrestor must be attached...

Страница 6: ...oper working condition before starting the machine 17 Do not transport or move machine while it is operating or running 1 3 BEFORE OPERATING 1 Read and understand this owner s manual Be completely familiar with the controls and the proper use of this equipment 2 Familiarize yourself with all of the safety and operating decals on this equipment and on any of its attachments or accessories 3 Keep sa...

Страница 7: ...blade bolts for proper torque after every 8 hours of operation Check blades and rotate or resharpen daily or as required to keep blades sharp Failure to do so may cause poor performance damage or personal injury and will void the machine warranty Improper use and care of the battery on electric start models can result in serious personal injury or property damage Always observe the following safet...

Страница 8: ... off power source disconnect spark plug wire from spark plug and make sure all moving parts have come to a complete stop 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 sharp Refer to owners manual for instructions Failure to do so may cause poor performance damage or personal injury and will void the mac...

Страница 9: ...elow correspond to the decals in Section 1 7 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 original locations 1 1 2 2 3 4 5 6 Decal located on housing Decal located on base ...

Страница 10: ... 16 x 3 4 carriage bolts 11 so the head of the bolt is located on the inside of the chute Install both bolts through handle before fastening with 5 16 flange nuts This handle is to be attached only to the bottom of part 10 2 1 3 ATTACH SHREDDER HOPPER HANDLE To attach handle 12 to shredder hopper 13 install four 5 16 X 1 hex bolts 14 so the head of the bolt is located on the inside of the hopper S...

Страница 11: ...olts 11 so the head of the bolt is located on the inside of the hopper Secure bolts with 5 16 flange nuts 2 2 3 ATTACH SHREDDER HOPPER 1 Install the shredder hopper 10 to the housing body so the handle is located above the engine and the opening is toward the chipper chute 2 Install eight 5 16 18 x 3 4 carriage bolts 12 so the head of the bolt is located on the inside of the hopper Fasten bolts wi...

Страница 12: ...mended in your engine owner s manual To add fuel Check the oil level and if needed fill the engine crankcase with the type and amount of oil specified in the engine owner s manual You will need to purchase a battery Choose a battery that meets or exceeds the engine manufacturer s specifications Consult your engine owner s manual or authorized dealer for specification details To install the battery...

Страница 13: ...e chipper chute to the chipper blades 3 ENGINE THROTTLE This controls the speed of the engine Increase the throttle by moving the lever to the FAST position To decrease the throttle move the lever to the SLOW position 4 ENGAGEMENT HANDLE During engine start up the engagement handle must be in the disengaged UP position With the engine at 1 4 throttle carefully engage the rotor by slowly pushing th...

Страница 14: ...Move lever to the run position when engine is running Refer to engine manual for further engine operating instructions 6 STARTER SWITCH Electric start model only The starter switch is used to start or stop the engine on model SC3306E See Figure 3 4 for switch location Refer to the engine manual for further operating instructions Figure 3 5 Figure 3 4 ...

Страница 15: ...E HANDLE IS IN THE START POSITION NEVER ATTEMPT TO START MACHINE WITH THE DRIVE BELT ENGAGED 1 Check engine oil level before starting 2 Place the throttle control midway between the SLOW and FAST positions Place the choke control into the CHOKE position 3 Place the chipper engagement lever in the START position 4 Use key switch recoil to start the engine 5 Move the clutch to the RUN position For a...

Страница 16: ...eaves garden refuse sticks and small branches 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 blades quicker 9 ALWAYS feed brush from the side of the chipper chute rather than from the front Step aside to avoid being hit by the brush moving into the ch...

Страница 17: ...THE ROTOR AND ENGINE 1 With the belt still engaged slowly move the throttle to the SLOW position 2 Allow the engine to run at slow idle for 30 60 seconds 3 Stop the engine by moving the throttle to the STOP position or turning off the ignition switch 4 Allow rotor to come to a complete stop 5 Once the engine is off and the rotor has completely stopped the belt can be disengaged by moving the belt ...

Страница 18: ...S EVERY 25 HOURS EVERY 50 HOURS EVERY YEAR Engine oil Change 1 Fuel filter Replace Spark plug Check condition and gap Engine oil Check fill Fuel tank Check fill All internal and external nuts and bolts Check tightness Battery connections Check Chipper blades Check sharpness and re torque to 25 ft lbs 2 Shredder knives Check condition Spark arrestor Clean Entire machine Clean Drive belt Check Belt ...

Страница 19: ...branches Before you sharpen the chipping blades check for permanent damage Replace the blade if 1 Install the rotor lock see Section 5 2 2 Flip the discharge door shield 1 up For CE compliant models remove the discharge assembly 3 Remove the 5 16 x 1 bolt 2 and flange nut 3 holding the shredder screen 4 to the bottom of the frame Pull discharge screen out from the bottom and rotate the top downwar...

Страница 20: ...late when sharpening the blades to achieve the proper angle see Figure 5 4 45 25 Mounting Surface DO NOT GRIND Mounting Surface DO NOT GRIND Sharpened Surface Sharpened Surface Figure 5 3 Chipper Blade Surfaces 5 5 SHARPENING THE BLADES 5 6 INSTALLING THE BLADES Make sure the top flange of the discharge screen is properly and completely installed into upper slot of the housing Failing to do so may...

Страница 21: ... shield and torque all 3 8 bolts to 33 ft lbs Test run machine The serrated edge of the shredder knives should face the same direction as the cutting edge of the chipper blades Never reuse the 10 24 nut and bolt Never reuse shafts or spacers if they show signs of wear or abuse Always install new parts when repairing WARNING The chipping blades should clear the anvil by 1 16 to no greater than 1 8 ...

Страница 22: ...irection of shaft rotation clockwise on the engine side bearing and counterclockwise on the chute side bearing and set them with a hammer tap Tighten the lock collar set screws 6 Loosen the set screws holding the belt pulley on the rotor shaft Move the pulley on the shaft so it is aligned with the engine drive pulley The pulley should be moved the same amount the rotor was moved only in the opposi...

Страница 23: ...Figure 5 9 Belt Shield Removal 3 Engage the clutch with the belt 3 in place and check idler engagement See Figure 5 11 The idler pulley should impact the belt in the center of the pulley All pulleys must be in perfect alignment Torque pulley set screws to 160 In lbs 4 If idler pulley will not remain in alignment with engine and rotor pulleys it may be necessary to replace the idler bracket bushing...

Страница 24: ...ulleys as this may cause cord breakage 6 Reinstall the idler pulley ensuring that the belt is on the outside edge of the idler pulley 7 Check all pulleys to make sure they are properly aligned 8 Replace all shields guides and guards 1 Remove discharge door shield discharge screen and rotor shaft end cap on chute side of the machine 2 Loosen the set screws on the lock collar securing the chute side...

Страница 25: ...WARNING Do 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 NOTE Lubricate the machine periodically with a lithium based grease Extreme working conditions will require more frequent greasing Grease the following points every 50 100 hours of operating tim...

Страница 26: ... or engine block Improper coolant level Fill engine to correct coolant level Refer to the engine owner s manual Engine stalls or belt squeals when engaging belt Engaging belt too fast Reduce engagement speed Belt tension too loose Adjust tensioner Replace belt if needed Engine runs but dies or does not accelerate properly Air filter dirty Clean or replace Fuel filter dirty Replace Fuel vent plugge...

Страница 27: ...n 1 16 with straight edge Belt s tension too loose Replace belt or belt tension spring Hard to feed chipper requires excessive power to chip Dull chipper blades Flip sharpen or replace Obstructed discharge Use branch or similar object to clear discharge tube Improper blade clearance Set blade anvil clearance to recommended distance Excessive vibration while running Dull chipper blades Flip sharpen...

Страница 28: ...ratton SPECIAL TORQUE REQUIREMENTS LOCATION HARDWARE DESCRIPTION TORQUE UNIFIED INCH TORQUE METRIC A On rotor plate blade mounting bolts 5 16 x 1 hex HD grade 8 bolts 25 ft lbs 34 Nm B On rotor knife shafts 10 24 x 1 1 8 screw 36 in lbs 4 Nm A B SC3306E DESCRIPTION ENGLISH METRIC Overall weight 240 lbs 108 9 kg Max chipper capacity 3 7 6 cm Chipper blades 3 125 x 2 x 25 7 94 x 5 08 x 0 64 cm Max s...

Страница 29: ...se 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...

Страница 30: ...GE DEBRIS BAG 70738 KIT CHIPPER BLADE 70973 KIT SHREDDER KNIVES 77000 00 KIT TWO WHEEL TOW 77353 00 TRAILER 3 CHIPPER SHREDDER 77386 12 SCREEN FINE DISCHARGE 3 8 DIAMETER HOLES 77387 12 SCREEN MEDIUM DISCHARGE 3 4 DIAMETER HOLES 77388 12 SCREEN COARSE DISCHARGE 1 3 8 DIAMETER SLOTS 77389 12 SCREEN WET DEBRIS Trailer 77353 00 Discharge Screens See Chart For Part Number Details Leaf Tamper 70089 ...

Страница 31: ...27 3 INCH CHIPPER SHREDDER ENGLISH OPTIONS Discharge Debris Bag 70355 00 Shredder Knife Kit 70973 Optional Blower 70251 Chipping Blade Kit 70738 All Weather Cover 70093 Two Wheel Tow Kit 77000 00 ...

Страница 32: ...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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