Echo Bear Cat SC3306 Owner'S Manual Download Page 26

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3 INCH CHIPPER/SHREDDER

Section

TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSES

REMEDY

Engine will not start

Lack of fuel or oil

Fill fuel tank and check oil level

Spark plug disconnected

Connect spark plug

Kill switch on access cover is damaged

Test kill switch. Replace if it is not working

Dirty, stale, or contaminated fuel

Drain and refill fuel tank with fresh, clean

unleaded regular gasoline or diesel.

Replace fuel filter.

Internal engine problems

See your engine dealer

Engine or rotor stalls or

stops

Chipper rotor housing or discharge tube is

plugged

Shut off engine and disengage belt

engagement. Refer to manual for

information on clearing a plugged rotor.

Never use the belt engagement to clear a

plugged rotor.

Feeding material that is too large

Limit branch size to rated capacity

Engine overheats

Cooling system plugged

Clean cooling fan and cooling fins on the

radiator 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 plugged

Clean or replace

Spark plug dirty/worn

Clean and adjust or replace

Carburetor vibration

Adjust

Cooling system dirty/plugged

Clean

Spark arrestor* plugged

Clean or replace

Machine chips poorly

Dull chipper blades

Flip, sharpen, or replace

Drive belts loose or worn

Inspect drive belts, adjust or replace if

needed

Feeding material that is too large

Limit branch size to rated capacity

Before performing any of the corrections in this troubleshooting chart, refer to the appropriate information contained in

this manual for the correct safety precautions and operating or maintenance procedures. Contact your dealer or ECHO

Bear Cat

for service problems with the machine.

*If equipped

Summary of Contents for Bear Cat SC3306

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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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