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Compact Stump and Root Grinder
Your NorthStar 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 NorthStar Product Support 1-800-270-0810
Owner's Manual
Instructions for Operation, Maintenance
WARNING
STOP!
M296026C
MODEL NUMBER: 296026
SERIAL NUMBER: _____________
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Table of Contents
Summary of Contents for NorthStar M296026C
- Page 1 Instructions for Operation, Maintenance Compact Stump and Root Grinder Your NorthStar 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
Make sure you completely read and understand this manual before using the grinder for the first time. If you have any questions, contact your retail or rental dealer or NorthStar Product Support at 1-800-270-0810. -
Page 5: Safety Decal Locations
Safety Decal Locations Reference # Part # Description Control Panel California Proposition 65 Warning Poisonous Gas Hazard 786766 Flying Debris Hazard (direction) decal set Personal Injury / Fire, Explosion / Entanglement Hazards Flying Debris Hazard (person) Amputation and Entanglement Hazard Brake Lever WARNING ALWAYS make sure safety labels are in place and in good condition. -
Page 6: Safety Decals
Safety Decals To order replacement safety labels, call NorthStar Product Support at 1-800-270-0810. -
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 or damaged components, please contact NorthStar Product Support at 1-800-270-0810. 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 Throttle Lever Handle Grip Operator Presence Bar Manual Storage Brake Lever T-Handle Knob Engine Starter Grip Tire and Hub Engine On/Off Switch Discharge Flap Belt Guard Cutter Guard Cutter Wheel Disc Cutting Tooth... -
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 Handle T-handle knob Hinge bracket Rubber stop Eyebolt 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 lever Brake lever Cutting wheel Operator presence Handle bar 3. Stopping the Engine Stop the engine using the following steps: Operator presence Brake lever 1. While holding cutting wheel off the ground, release the operator presence bar. The engine will stop. Wait until the cutter wheel completely stops. -
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 CORRECT NOT CORRECT Hole Wheel Chip pile/debris WARNING: Stop engine and set brake before leaving operator's position. KEEP BRAKE ENGAGED except when changing locations. 7. When finished, stop the machine. 8. Pull machine away from stump, and rake chips away from stump. 5. -
Page 16: Storing The Machine
Operation 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. 7) Filling towable units or portable containers at service stations: Even if you have a towable unit, avoid static electric sparking while filling the gasoline tank:... - Page 17 Operation Choose a storage Store the grinder in a location that is: location - Clean and dry. - Away from sources of heat, open flames, sparks, or pilot lights, even if the grinder's gas tank is empty. Residual gasoline could ignite. - Away from extreme high or low temperatures.
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Page 18: 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 NorthStar Product Support at 1-800-270-0810. Replacement parts. If a part needs replacement, only use factory approved repair parts. - Page 19 Maintenance & Repair 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 Lithium Complex...
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Page 20: 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 NorthStar dealer. -
Page 21: Stop-Switch Adjustment
Sharpening Teeth NorthStar cutting teeth are tipped with heavy-duty carbide. Carbide retains its sharpness longer; cuts faster and smoother, and can withstand heat better. Though carbide is tremendously hard, it is also reasonably brittle. Sharpen the teeth before excessive wear or if a chip is noticed. -
Page 22: Installing Teeth
Maintenance & Repair 2. If possible, set the grinder up with a coarse wheel on one side, and the "Green Wheel" on the other side. 3. Using the "Green Wheel", grind the end of the carbide until the edge is once again sharp. -
Page 23: Schedule
Maintenance & Repair Position NorthStar stump grinders are equipped with reversible pockets. When reversing pockets, position them in the same exact location. This will ensure the cutter wheel will remain in balance. Use only pockets and teeth recommended by NorthStar. - Page 24 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 NorthStar Product Support at 1-800-270-0810 for any questions, problems, or parts orders.
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Page 25: Specifications
Specifications 296026 ENGINE Make Honda Model GX160UT1QX2 CC Rating 160cc GENERAL Weight 131 lbs. (59.4 kg) Length /{folded} 59"/{36.4"}, 150 cm/{92.5 cm} Height /{folded} 41"/{24.5"}, 104 cm/ {62.2 cm} Width 24" (61 cm) RPM Operating 3600 RPM Type of Fuel Gasoline Starting Recoil... -
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: Personal Protective Equipment
Summary of Important Safety Information 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 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
M296026 Exploded View – Rev C... - Page 31 82115 7/16"-14 nyloc nut 82020 5/16"-18 nyloc nut 82038 1/2" flat washer 786394 Throttle lever 785400 1" pillow block 786550 NorthStar decal 82391 7/16"-14 x 1-1/2" flange bolt 786183 Handle 786350 Frame 786715 Brake bracket 786080 Front rubber flap 82088 5/16"-18 x 3/4"...
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Page 32: Wiring Diagram
Wiring Diagram... -
Page 33: Warranty
Dear Valued Customer: The NorthStar Product you just purchased is built with the finest material and craftsmanship. Use this product properly and enjoy the benefits from its high performance. By purchasing a NorthStar product, you show a desire for quality and durability. - Page 34 Manufactured by Northern Tool + Equipment Co., Inc. 2800 Southcross Drive West P.O. Box 1499 Burnsville, MN 55337-0499 Made in the USA...