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Your Dosko grinder is intended for outdoor-use only and can be used to remove many tree stumps and
exposed root systems close to ground level. By moving the blade in sweeping movements laterally over
the top and front of the stump, you can gradually grind it away. Make sure you completely read and
understand this manual before using the grinder for the first time.
READ and UNDERSTAND this manual completely before using the grinder! Failure to properly operate,
and maintain this grinder could result in serious injury or death to the operator or bystanders.
All machines have hazards associated with their operation. This stump grinder has certain special hazards,
which you must be aware of. As an operator or owner you have a duty to be aware of these hazards and know
preventive measures to take to avoid them. When reading this manual pay particular attention to avoiding these
hazards.
In particular, be aware of the following:
Know location of buried electrical and other utility lines.
Do not allow children or untrained adults to operate.
Wear eye protection and other personal protection against flying rocks and debris.
Check that cutter wheel teeth are secured, sharp and not missing.
Do not operate if operator presence bar fails to stop engine upon release.
Make sure no children or bystanders are within 75 feet of stump grinding operation.
Protect cars, windows and other objects within 75 feet from flying debris.
Be prepared for machine "kickback" when initially contacting the stump.
Be aware of potential for carbon monoxide (CO) poisoning.
Prevent fires/explosions from fueling.
Do not attempt to perform adjustments, declog or clean unit while engine is running.
Avoid burns from engine or hot exhaust.
Avoid using in wet or icy conditions where falls may occur.
Details about these hazards are found throughout the manual and are summarized at the end of the manual under
"Important Safety Information."
ADD ENGINE OIL: Your stump grinder comes fully assembled and requires only that you add engine oil to crankcase
and fuel to tank.
INSPECT COMPONENTS: Closely inspect to make sure no components are missing or damaged. See the "Receiving
Your Unit" section for instructions on whom to contact to report missing or damaged parts.
Any Questions, Comments, Problems, or Parts Orders
Call your dealer or Dosko Customer Service 1-800-822-0295
Owner's Manual
Instructions for Operation, Maintenance
Compact Stump and Root Grinder
2962090 (200-6HC)
MODEL NUMBER: 2962090
SERIAL NUMBER: _____________
WARNING
STOP!
1
M2962090H
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Summary of Contents for DOSKO 2962090
- Page 1 Compact Stump and Root Grinder 2962090 (200-6HC) Your Dosko grinder is intended for outdoor-use only and can be used to remove many tree stumps and exposed root systems close to ground level. By moving the blade in sweeping movements laterally over the top and front of the stump, you can gradually grind it away.
- Page 2 Hazard Signal Word Definitions...
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Page 3: Table Of Contents
Table of Contents Part I. Introduction About Your Grinder ......................4 Safety Decal Locations ......................5 Safety Decals ..........................6 Receiving Your Unit ........................ 7 Machine Component Identification ..................8 Part II. Operation Operation: 1. Pre-Start Check List & Procedures ................9 2. -
Page 4: About Your Grinder
Before using, the user shall determine the suitability of this product for this intended use and assumes liability therein. Your Dosko grinder can be used to remove many tree stumps and exposed root systems close to ground level. By moving the blade in sweeping movements laterally over the top and front of the stump, you can gradually grind it away. -
Page 5: Safety Decal Locations
Safety Decal Locations Reference # Part # Description 786100 Control Panel decal set 799546 California Proposition 65 Warning 786100 Poisonous Gas Hazard decal set Flying Debris Hazard (direction) Personal Injury / Fire, Explosion / Entanglement Hazards Flying Debris Hazard (person) Amputation and Entanglement Hazard 799952 Spark-Strike Warning... -
Page 6: Safety Decals
Safety Decals To order replacement safety labels, call Dosko Customer Service at 1-800-822-0295. All grinder units can be transported via trailers or with the purchase of an optional towing kit package can be towed behind the vehicle. -
Page 7: Receiving Your Unit
See the "Machine Component Identification" section of this manual for a diagram of the grinder and its components. If you have missing components, contact your rental company or Dosko Customer Service at 1-800-822-0295. New Unit: Truck Depending on your unit and model, it may have been shipped on a Delivery wooden skid, cardboard container or other appropriate method. -
Page 8: Machine Component Identification
Machine Component Identification Reference # Description Operator Presence Handle Bar Throttle Control Lever Handle Bar Adjustable Brake Lever Manual Storage T-Handle Knob Engine Starter Grip Tire and Hub Engine On/Off Switch Discharge Flap Cutter Guard Cutter Wheel Disc Cutting Tooth Front Handle Belt Guard... -
Page 9: Part Ii. Operation
Operation 1. Pre-start Check List & Procedures CAUTION: Add engine crankcase oil. A new engine is shipped without oil. You must add the correct amount of oil to engine crankcase or engine will be damaged beyond repair. Before starting the engine you will want to make sure you have completed the following: 1. - Page 10 Operation Fill stump grinder Check the gasoline level in the engine's fuel tank. If needed, fill tank with gasoline tank fresh unleaded gasoline from a portable container, after first reading the warnings and instructions below. - Do NOT fill the gas tank to the top. Gasoline may spill when operating on a slope.
- Page 11 Operation Unlocked Position Locked Position T-handle knob Eyebolt Handle Hinge bracket Rubber stop Personal Protection Use approved protective clothing and approved protective equipment when using the machine. 1) Always wear ANSI-approved and OSHA-compliant safety glasses with side shields and a full-face shield. 2) The use of ear plugs or other hearing protection device is also recommended for persons working within 15-20 feet of the running grinder for longer than a few minutes.
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Page 12: Starting The Grinder
Operation 2. Starting the Grinder After you have completed the pre-start checklist and procedures, you are ready to start the grinder. The following directions detail how to start the engine of your grinder. WARNING: Never attempt to use the grinder without proper protective equipment, particularly eye protection and a full-face shield. -
Page 13: Stopping The Engine
Operation Throttle control lever Adjustable Brake lever Operator presence handle bar Handle bar Cutting wheel 3. Stopping the Engine Adjustable brake lever Stop the engine using the following steps: 1. While holding blade off ground, release the operator presence bar. The engine will stop. -
Page 14: Grinding The Stump
Operation 4. Grinding the Stump WARNING: Flying Debris Hazard Stones, chips, and debris can cause serious injury or property damage. Debris can fly 75 ft in any direction out of the chute. They can bounce off any fixed objects as well and hit operator, bystanders or breakable objects. 1. -
Page 15: Refueling
Operation 6. On these larger stumps, DO NOT allow grinder wheels to drop into stump hole. If a hole is in the way of your progress, fill it with chips or change position. CORRECT NOT CORRECT Hole Wheel Chip pile/debris WARNING: Stop engine and set brake before leaving operator's position. -
Page 16: Storing The Machine
Operation gasoline to evaporate before starting engine. Gasoline soaked rags are flammable and should be disposed of properly. If gasoline is spilled on your skin or clothes, change clothes and wash skin immediately. 5) Replace gasoline cap securely before starting engine. 6) Store extra gasoline in a cool, dry place in an UL-approved, tightly sealed container. - Page 17 Operation Inspect grinder Inspect the machine for worn or damaged parts and tighten any nuts or screws that may have become loose. Pay particular attention to the cutting teeth. Choose a storage Store the grinder in a location that is: - Clean and dry.
- Page 18 Operation Prepare engine for If you will not be able to start the grinder regularly, you must prepare long term the engine for long term storage to prevent gum deposits from forming and causing malfunction of the engine. (seasonal) storage if Prepare engine for long term storage by: needed o Removing all gasoline from the tank and carburetor...
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Page 19: Maintenance (To Be Done By Owner Or Rental Dealer)
Repair. Major service, including the installation or replacement of parts, should be performed only by a qualified electrical service technician. Obtain factory approved parts from Dosko Service at 1-800-822-0295. Replacement parts. If a part needs replacement, only use factory approved repair parts. - Page 20 Maintenance & Repair (cont’d) Cutter shaft bearings should be greased. Lubricate The cutter shaft bearing is greased by pumping grease into zerks located on the housing of the bearing. Lubricate after every 20 hours of use. Cutting wheel Grease zerks Bearing Grease Specification Soap Type...
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Page 21: Belt Tension Adjustment
7. Retighten all loosened nuts and bolts. 8. Reassemble belt guard. Alignment bolt Lock nut Lock nut Tension bolt Note: New belts require a "break-in" period of approximately 10 hours. Readjustment may be necessary after "break-in." Note: Use only factory recommended belts. Contact your Dosko dealer. -
Page 22: Stop-Switch Adjustment
Maintenance & Repair (cont’d) Stop-Switch Adjustment WARNING: Never attempt to alter, modify or override this switch. If Stop-switch ever needs to be replaced or adjusted follow the below directions. Operator 1. Loosen Hex Nut. Hex nut presence bar 2. Turn the Linkage Bolt clockwise to lower or counter-clockwise to raise the point of interaction with Stop Switch. - Page 23 Maintenance & Repair (cont’d) Installing teeth Install your teeth with the carbide facing down. The shoulder of the tooth will meet the flat detent of the pocket and the tooth will not rotate. Thread nut onto the top portion of the tooth. Hand tighten for now. Repeat until all teeth are installed. Torque 1.
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Page 24: Schedule
If a part needs replacement, only use parts that meet the manufacturer's specifications. Replacement parts that do not meet specifications may result in a safety hazard or poor operation of the grinder. Contact Dosko Customer Service at 1-800-822-0295 for any questions, problems, or parts orders. -
Page 25: Specifications
Specifications 2962090 ENGINE OPTIONS Make Honda Model GX200UTQXC9 CC Rating 200cc GENERAL Weight 134 lbs. (61 kg) Length /{folded} 56"/{36"}, 142 cm/{92 cm} Height /{folded} 45"/{23"}, 114 cm/ {59 cm} Width 23" (58 cm) RPM Operating 3600 RPM Type of Fuel... -
Page 26: Summary Of Important Safety Information
Summary of Important Safety Information This section provides a summary of the various safety procedures and measures that have been presented throughout the manual. Keep this summary handy and refer to it to refresh your memory about how to safely use your grinder. WARNING Carefully read and make sure you understand the following safety information before using the grinder. - Page 27 Summary of Important Safety Information (cont’d) Cooling ventilation. The grinder needs adequate, unobstructed flow of air to allow for proper cooling of engine and grinder head. Do not allow debris to accumulate and block airflow. Transporting. During transporting, take precautions to make sure stump grinder will not tip over and cause a fuel leak hazard.
- Page 28 Summary of Important Safety Information (cont’d) Carbon monoxide exhaust. The running engine gives off carbon monoxide, a poisonous gas that can kill you. You CANNOT smell it, see it, or taste it. If you start to feel sick, dizzy, or weak while using the grinder, shut off the engine and get to fresh air RIGHT AWAY.
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Page 29: Special Safety Information On Static Electricity
Special Safety Information on Static Electricity Static electricity and filling gasoline: Static electricity can initiate from ungrounded gasoline tanks or containers, from flowing gasoline, and from persons carrying a static electric charge Static electricity on numerous occasions has explosively ignited gasoline vapors that were present during fueling processes, resulting in serious burns to nearby persons. -
Page 30: Parts Explosion
M2962090 Exploded View – Rev H... - Page 31 786037 Bracket mounting, belt guard 38578 T-handle knob 786371 Cutting wheel 794019 Throttle cable 783557 500 Series Tooth 786103 Dosko decal 785400 1" pillow block 785867 Handle 82391 7/16"-14 x 1-1/2" flange bolt 783769 Microswitch bracket 82115 7/16"-14 nyloc nut...
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Page 32: Warranty
1-866-298-3659 prior to having any service or warranty work performed, as some services performed by parties other than Dosko approved service centers may void this warranty. This limited warranty is in lieu of any other warranty expressed or implied, written or oral and Dosko assumes no other responsibility or liability outside that expressed within this limited warranty. - Page 33 This page has intentionally been left blank.
- Page 34 Great Northern Equipment Distributing Inc. 20195 S. Diamond Lake Rd, Ste 100 Rogers, MN 55374 Made in USA...
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