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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 wheel 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' 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
Stump and Root Grinder
WARNING
M296020E.2
MODEL NUMBER: 296020
SERIAL NUMBER: _____________
STOP!
1
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Summary of Contents for North Star 296020
- Page 1 M296020E.2 MODEL NUMBER: 296020 SERIAL NUMBER: _____________ Owner's Manual Instructions for Operation, Maintenance 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 wheel 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 Transporting & Receiving: 1. Receiving Your Unit ...................... 7 2. Towing Instructions ....................... 7 Machine Component Identification ..................8 Part II. Operation Operation: 1. -
Page 4: About Your Grinder
About Your Grinder Thank you for purchasing or renting your NorthStar grinder! Owner/Operator/Renter Training Read and follow all instructions and safety precautions presented throughout this manual. A summary of important safety information can be found at the end of the manual. Keep this manual for reference and review. -
Page 5: Safety Decal Locations
Safety Decal Locations Reference # Part # Description 784291 Flying Debris Hazard (direction) 784079 Tow Position 783540 Control Panel Flying Debris Hazard (person) Amputation and Entanglement Hazard 784272 California Proposition 65 Warning decal kit Poisonous Gas Hazard Personal Injury / Fire, Explosion / Entanglement Hazards 786635 Burn Hazard WARNING... -
Page 6: Safety Decals
Safety Decals To order replacement safety labels, call NorthStar Product Support at 1-800-270-0810. 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: Transporting & Receiving
Transporting and Receiving 1. Receiving Your Unit For all Units You should inspect the grinder immediately after you receive delivery. 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. -
Page 8: Machine Component Identification
Machine Component Identification Reference # Description Control Panel Pin Adjustment Handle Bar Tire and Hub Discharge Flap Belt Guard Tooth Pocket Cutting Tooth Cutter Wheel Disc Cutter Guard Throttle Control Lever Engine Adjustable Brake Lever Handle Bar Operator Presence Handle Bar... -
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 (cont’d) Fill stump grinder Check the gasoline level in the grinder'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.
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Page 11: Starting The Grinder
Operation (cont’d) prolonged, close-range exposure to the type of noise produced by this grinder. 3) Wear long pants to protect legs from sparks, hot engine and flying debris. 4) Never wear jewelry or loose-fitting clothing when starting or operating the grinder or any mechanical device. Loose or dangling apparel, jewelry or hair can become entangled in moving parts. - Page 12 Operation (cont’d) WARNING: A rotating cutting wheel is very dangerous. Stay at the controls and keep others away until you are sure the wheel has come to a complete stop. 7) Rapidly pull “Start” cord (recoil starter) with right hand several times until engine starts. Allow starter cord to return slowly.
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Page 13: Stopping Engine
Operation (cont’d) 3. Stopping the Engine Stop the engine using the following steps: 1. While holding cutting wheel off ground, release the operator presence bar. Wait until the cutting wheel completely stops. Lower the cutting wheel so it is resting against the ground. - Page 14 Operation (cont’d) 5. Sweep the cutting wheel across the stump, cutting away 1/2" to 1" of stump. 6. Advance cutting wheel 1/2" to 1", and sweep again across stump in opposite direction. 7. Continue sweeping cutting wheel left and right across stump, advancing it before each sweep, cutting 1/2"...
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Page 15: Refueling
Operation (cont’d) 5. Refueling 1) Before removing gas cap, turn engine off and allow to cool for at least two minutes. Note: A running or hot engine can ignite fuel. 2) Remove grinder gasoline cap. 3) Add gasoline through the fill opening: Use only an UL-approved portable gasoline container to transfer the gasoline to the grinder's tank. -
Page 16: Storing Machine
Operation (cont’d) 6. Storing the Grinder When you are finished using the grinder and it has cooled, you must: o Cool engine before storage. o Clean the grinder. o Inspect for worn or damaged parts. o Choose covered storage location. o Prevent accidental starting. - Page 17 Operation (cont’d) 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 needed Prepare engine for long term storage by: o Removing all gasoline from the tank and carburetor...
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Page 18: Maintenance (To Be Done By Owner Or Rental Dealer)
Maintenance & Repair WARNING ALWAYS shut off the engine, make sure the engine is cool, and disconnect the spark plug before cleaning, adjusting, or servicing the grinder. Make sure all guards and shields are replaced before using. Maintenance Perform regular Perform periodic maintenance as directed in this manual to keep the maintenance grinder in safe working condition. - Page 19 Maintenance & Repair (cont’d) Cutting Grease zerks wheel Bearing The wheels should be greased by repacking the bearings inside the wheel hub with grease. Cotter pin 1. Remove existing cap, cotter pin, castle nut and hub off spindle. 2. Inspect inner and outer bearing and pack with grease.
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Page 20: Belt Tension Adjustment
Maintenance & Repair (cont’d) Belt Tension Adjustment Note: Belt tension and alignment are inter-related. Do not adjust one without checking the other. 1. Remove belt guard. 2. Loosen (4) engine base (mount) bolts. 3. Loosen lock nuts on tension bolt and alignment bolt. 4. -
Page 21: Stop-Switch Adjustment
Maintenance & Repair (cont’d) Stop-Switch Adjustment CAUTION: 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 22 Maintenance & Repair (cont’d) A properly sharpened carbide edge A rounder dull edge creates high cutting undergoes very little pressure in cutting. pressures because it must force its way A thin, sharp edge slices it way through through the material. the material, minimizing resistance.
- Page 23 Maintenance & Repair (cont’d) 6. The tooth may be ground until the carbide until the carbide has approximately 3/16" remaining. Installing Teeth 1. When installing teeth on the CUTTER cutting wheel, be sure that all teeth WHEEL are extended an equal length TOOTH beyond the wheel.
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Page 24: Schedule
Maintenance & Repair (cont’d) Maintenance Schedule CAUTION: Before attempting any maintenance, be sure that the engine is shut off, the key, the positive battery cable, and both spark plug wires are removed, and the engine is cool to the touch! Each Item Daily... -
Page 25: Specifications
Specifications ENGINE OPTIONS Make Honda Model GX390UT1QAA2 CC Rating 390 cc GENERAL Weight 300 lbs. (136kg) Length 58" (147cm) Height 51" (130cm) Width 32" (81 cm) RPM Operating 3600 RPM Type of Fuel Gasoline Starting Recoil Oil Sensor CUTTER WHEEL Diameter 14"... -
Page 26: Part Iv: Important Safety Information Summary Of Important Safety Information For Operation
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 (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
M296020 Exploded View – Rev E.2... - Page 31 M296020 Parts List – Rev E.2 Item Part # Description Item Part # Description 601091 GX690 Honda engine 785360 Outer belt guard 82354 5/16"-18 x 5-1/2" bolt 783544 Stump grinder decal 1” x 6” clevis pin 37878 82143 1/4" x 1-3/4" key 786072 Wire Harness 785368 Cutter shaft sheave 791221 Throttle cable...
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Page 32: Wiring Diagram
Wiring Diagram... -
Page 33: Warranty
Limited Warranty Policy 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. Burnsville, MN 55306 NorthernTool.com Made in the USA...