stump grinder safety & operating instructions
Contents
1. This information is important in the proper use of your machine Failure to follow this instruction could result in damage to your machine or property Serial Number and Order Number A Serial Number is used to identify your machine and is located on the Serial Number Label on your machine An Order Number is used to check and maintain your order history and is located on the upper left portion of your packing slip For your convenience and ready reference enter the Serial Number and Order Number in the space provided on the front cover of this manual Additional Information and Potential Changes DR Power Equipment reserves the right to discontinue change and improve its products at any time without notice or obligation to the purchaser The descriptions and specifications contained in this manual were in effect at printing Equipment described within this manual may be optional Some illustrations may not be applicable to your machine 2 DR STUMP GRINDER Chapter 1 General Safety Rules WARNING WARNING Read this safety amp operating Instructions manual before you use the DR STUMP GRINDER Become familiar with the operation and service recommendations to ensure the best performance from your machine If you have any questions or need assistance please contact us at www DRpower com or call toll free 1 800 DR OWNER 376 9637 and one of our Technical Support Representatives will be happy to help you Labels Your D2. NOTE The Teeth must be installed in the correct order straight Tooth left bend Tooth and then right bend Tooth straight left bend and then right bend etc 6 When all the Cutter Teeth are in place slide the Side Plates back against the Cutter Head 7 Secure the Teeth by fastening the Side Plates to the Cutter Head the new nine Bolts and Locknuts that came with your Cutting Teeth Kit CAUTION Check wear of the Head Assembly each time the Teeth are replaced Replace the Head Assembly if it is damaged or worn Be sure to use the new Bolts and Locknuts provided with the replacement teeth Failure to replace the Head Assembly when damaged or worn may result in Cutting Teeth coming loose and damaging the machine Replacement Teeth Mounting Bolts must pass through the slot in the Teeth Some Head Assemblies may have additional holes in between the Teeth that are not used Do not over tighten the Bolts They should be snug about 100 inch pounds 8 foot pounds If Bolts are over tightened they may crack or break The Teeth should fit securely and when pulled out straight towards the front of the machine not rocking side to side should not move more than 1 32 If it moves more than 1 32 the Cutter Head Tooth Key is worn and the Cutter Head should be replaced Bolt and Locknut Figure 22 Right Bend Tooth Ne es Cutter di Head Base Left Bend Side Plate Tooth Side Plate Straight T
3. 1 4 20 x 1 2 21 264761 Guard Debris 22 111581 Bolt Hcs 5 16 18 x 1 Gr 5 Zp 23 112381 Washer Flat 1 4 Uss 24 271721 Frame w Labels 25 264881 Label Head Rotation 26 234941 Label DR Logo 6 Round 27 235451 Label CHP Address 28 264781 Cable Brake 29 153451 Label Throttle Control 30 217201 Meter Hour RPM Maintenance 3 265041 Switch Start 32 193201 Label Start 33 235481 Keys 34 287011 Screw M4 x 8mm 35 287021 Washer Lock M4 Schematic HANDLEBAR ASSEMBLY PART OF ITEM 31 if E Pa ke we 2 PL a l 20 M A 2 PL if ELECTRIC START ONLY MANUAL START ONLY CONTACT US AT www DRpower com 25 Parts List DRIVE ASSEMBLY see page 24 for 9HP specific parts list NOTE Part numbers listed are available through DR Power Equipment Ref Part Description 01 265311 Engine Subaru 6HP w Labels 02 134431 Bolt 5 16 18 x 1 1 2 03 112381 Washer Flat 1 4 Uss 04 110761 Nut Nylon Lock 5 16 18 05 265201 Clutch Centrifugal 3 4 Bore 06 178821 Bolt Hcs 5 16 24 x 1 07 165141 Washer 385 ID 1 390 OD 3 8 TH 08 264681 Belt Stump Grinder 6HP 09 265281 Guard Belt w Labels 10 123211 Bolt Hcs 5 16 18 x 3 4 11 112431 Washer Lock Split 5 16 12 257091 Label Safety Icons 13 192391 Label DR Logo 5 3 4 Silver 14 265661 Arm Idler Pulley 15 265351 Bolt Shoulder 1 2 x 3 4 Long 16 129691 Shim 75 ID 1 125 OD 06 TH ZP 17
4. Battery is fully charged and the charger is still on it generates heat that could be harmful to the Battery A fully charged Battery will read 12V 13 2V with a voltmeter e Do not continue to crank your Engine when the Battery charge is low Charging the Battery NOTICE When you are finished charging the battery disconnect the charger from the outlet first then disconnect the battery charger wires from the battery If you leave the battery charger wires connected to the battery the battery will discharge itself back into the charger Operate the Engine for at least 45 minutes to maintain proper Battery charge If the Battery loses its charge you will need to use a trickle charger like the DR Battery Charger to recharge it The Charger should have an output of 12 volts DC at no more than 2 amps e At 1 amp the Battery may need to be charged for as long as 48 hours e At 2 amps the Battery may need to be charged for as long as 24 hours NOTE Using the Recoil Starter and then running the Engine will not recharge a dead or significantly discharged Battery To connect a Battery Charger to your DR STUMP GRINDER follow the steps listed below 2 Attach the Black alligator clipped wire from the Charger Adapter to the Negative terminal of the Battery then attach the Red alligator clipped wire to the Positive Battery terminal 3 Plug the Charger into a standard wall outlet e Typically the Battery takes between 6 and 8 h
5. It may be helpful to familiarize yourself with the controls and features of your DR STUMP GRINDER as shown in Figure 1 before beginning these procedures If you have any questions at all please feel free to contact us at www DRpower com DR STUMP GRINDER Controls and Features Manual Start Operator Brake Lever Presence Lever Maintenance Meter Throttle Lever Gas Fill Oil Fill Shut off Starter Cord Pneumatic Tires On Off Ignition Switch 6HP This Switch is Disconnected on 9HP Manual Start Models and not Needed for Starting Carbide Teeth Figure 1a 6 DR STUMP GRINDER ee DR STUMP GRINDER Controls and Features Electric Start i Start Key Switch Maintenance Meter Operator Presence Lever Brake L P Throttle Lever Biter Oil Fill REAR VIEW Gas Fill 7 hy Fuel Shut off Starter Cord Pneumatic Tires Carbide Teeth Figure 1b CONTACT US AT www DRpower com 7 Specifications Engine o 6HP Subaru Manual Start 9HP Subaru Manual Start 9HP Subaru Electric Start Please refer to the Engine Please refer to the Engine Please refer to the Engine Owner s Manual for Engine Owner s Manual for Engine Owner s Manual for Engine specifications specifications specifications 14 5 Pneumatic 14 5 Pneumatic 14 5 Pneumatic Handle Bars Height adjustable to 32 36 5 Height adjustable to 32 36 5 Height adjust
6. DR Power Equipment e Never use the machine without ensuring that all guards and shields are in place e Never under any conditions remove bend cut fit weld or otherwise alter standard parts on the Stump Grinder This includes all shields and guards Modifications to your machine could cause personal injuries and property damage and will void your warranty e Allow only one person to operate the Stump Grinder at any time e If the machine should start making an unusual noise or vibration shut down the engine disconnect the spark plug wire keeping it away from the spark plug to prevent accidental starting wait 5 minutes then inspect for damage Vibration is generally a warning of trouble Check for damaged parts and clean repair and or replace as necessary Never tamper with safety devices Check their proper operation regularly e Before performing any maintenance or inspection procedure on the Stump Grinder release the throttle lever first and then release the operator presence lever turn the ignition switch to off remove the spark plug wire and keep it away from the spark plug e Never allow people who are unfamiliar with these instructions to use the Stump Grinder Allow only responsible individuals who are familiar with these rules of safe operation to use your machine e Never overload or attempt to grind material beyond the manufacturer s recommendation Personal injury or damage to the machine could result e While us
7. controls the maximum safe operation speed and protects the engine Over speeding the engine is dangerous and will cause damage to the engine and to the other moving parts of the machine If required see your authorized dealer for engine governor adjustments Keep combustible substances away from the engine when it is hot Never cover the machine while the muffler is still hot e Do not operate the engine with the air cleaner or the carburetor air intake cover removed Removal of such parts could create a fire hazard Do not use flammable solutions to clean the air filter e The muffler and engine become very hot and can cause a severe burn do not touch 4 DR STUMP GRINDER Cee General Safety AX WARNING WARNING Operating this Stump Grinder safely is necessary to prevent or minimize the risk of death or serious injury Unsafe operation can create a number of hazards for you Always take the following precautions when operating this Stump Grinder e Your Stump Grinder is a powerful tool not a plaything Exercise extreme caution at all times The machine is designed to grind stumps Do not use it for any other purpose e Know how to stop the Stump Grinder quickly see stopping the engine in chapter 3 Never operate your unit on a slippery wet muddy or icy surface Exercise caution to avoid slipping or falling See manufacturer s instructions for proper operation and installation of accessories Only use accessories approved by
8. e Engine Oil see your Engine Manual for Oil specifications NOTICE OTICE The Frame and Engine must be level to get an accurate reading when Tock adjusting the oil level Use blocks to adjust the height of the cutting head to inside Frame level the Frame Battery Terminals Battery Bracket Figure 16 1 For Electric Start machines you will first need to disconnect the Battery Terminals and remove the Battery Bracket by removing the two Locknuts from the Bracket Studs with a 1 2 Wrench leave Battery attached to Bracket Figure 16 14 DR STUMP GRINDER Ver n nnn Position the machine so the Frame and Engine are level and place a Waste Oil Container under the Oil Drain Plug Figure 17 3 Remove the Oil Drain Plug with a 14mm Wrench and let the Oil drain into the Container 4 Replace the Oil Drain Plug and remove the Oil Fill Dipstick 5 Initially add 16 oz of SAE 30 High Detergent oil recommended by the Engine Manufacturer into the Oil Fill and wait one minute for the oil to settle 6 Check the Dipstick and continue adding a few ounces of oil at a time rechecking the Dipstick until the oil reaches the fill mark Be careful not to overfill 7 Replace the Battery Bracket for electric start machines and reconnect the Battery Replacing the Belt Tools and Supplies needed e d n Two 1 2 Wrenches 9 16 Wrench New DR Drive Belt see chapter 6 for part numbers Gloves Remove the Bol
9. of cut to determine what works best for your situation A WARNING WARNING Read and understand the warnings listed in Chapter 2 General Safety Rules Nan Yere before operating this Stump Grinder Start at SU Right Hand Fer Z 1 Start the Engine as described in the Starting the Engine section on the Side of Stump 1 T previous page 2 Allow engine to warm up at idle for a few minutes 3 Move the Stump Grinder into position with the Cutter Head at the right side of the stump on the edge closest to you not touching near the top edge Figure 13 4 Lock the Hand Brake by pulling the Brake Lever sliding the Lock forward and releasing the Lever nonce Always make sure the Teeth are not in contact with anything before operating the Throttle Lever The Clutch will be damaged if the teeth are not free to turn as you start to press the Throttle 5 Hold down the Throttle Lever on the right side Handlebar this will engage the Cutter Head Rotation Let the Cutter Head come up to speed 6 Lower the Cutter Head approximately 1 2 to 1 into the front top corner of the stump and slowly swing the Cutter Head to the left into the stump by pushing on the right hand handlebar Figure 14 When you are finished the first pass through the Stump swing the Cutter Head back to the starting position on the right side Lower the Cutter Head approximately 1 2 to 1 and slowly swing the Cutter Head to the left throu
10. recommended high detergent engine oil Other types of oil could cause problems operating your machine Please refer to your Engine Owner s Manual for detailed oil information 1 Position the machine so the Frame and Engine are level Remove the Oil Fill Dipstick Figure 5 and clean the end of it with a rag nonce E NE MD The Frame and Engine must be level to get an accurate reading when adjusting the oil level Use blocks to adjust the height of the cutting head to level the Frame 2 Machines are shipped with no oil Initially add 16 oz of the oil recommended by the Engine Manufacturer Wait one minute for the oil to settle Figure 5 Oil Fill Dipstick 3 Replace the Dipstick but DO NOT screw it in to ensure an accurate reading and then remove it to check the oil level clean the Dipstick with the rag after checking 4 Continue adding a few ounces of oil at a time rechecking the Dipstick until the oil reaches the fill mark Be careful not to overfill 5 Replace the Dipstick and screw all the way down when full CONTACT US AT www DRpower com 9 a DR STUMP GRINDER 6 Remove the Gas Fill Cap and fill the Gas Tank with fresh unleaded gas with a minimum of 85 Octane to approximately 1 to 1 1 2 below the top of the fill neck to allow for fuel expansion Figure 6 Be careful not to overfill and reinstall the Gas Fill Cap before starting the engine See your Engine Owner s Manual for more detaile
11. 00 DR OWNER 376 9637 for support A WARNING Set the Wheel Brake shut down the engine remove the spark plug wire and wait 5 minutes before performing any maintenance procedure or inspection on the Stump Grinder Troubleshooting Table SYMPTOM POSSIBLE CAUSE Recoil will not pull out There may be an oil compression lock in the cylinder Take out the Spark Plug hold a rag or is difficult to pull over the Spark Plug hole and pull the Recoil Cord several times to blow out any oil in the Cylinder Wipe off the Spark Plug and reinstall it Check the Engine oil level the Engine may be seized The Recoil may be broken or jammed Visit our website at www DRpower com The Engine will not Make sure the Operator Presence Lever is held down and that the Ignition Switch is in the start RUN position Manual Start or the Key is inserted into the Key switch and rotated to the Please refer to the right Electric Start Engine Owner s Manual Check the oil and gas level for Engine specific Make sure that the Fuel Shut Off is in the ON position procedures ev Check that the Spark Plug Wire is attached The Air Filter may be dirty change it following the procedure in the Engine Owner s Manual The gas may be old change it if necessary Use a fuel stabilizer if you keep gas longer than one month Check the Throttle and Choke settings adjustment and travel The Spark Plug may be dirty or cracked change it if necessary If it s oily
12. 112411 Washer Flat 5 16 Uss 18 264821 Deflector Exhaust 19 180121 Pulley Flat Idler 3 1 4 20 126861 Bolt Hhcs 3 8 16 x 2 Gr5 21 164131 Nut Nylon Lock 3 8 16 Low Profile 22 188871 Label Hot Surface 26 DR STUMP GRINDER Ref Part Description 23 164801 Spring Ext 3 4 OD 085 Wire 3 L 24 134431 Bolt 5 16 18 x 1 1 2 25 110691 Nut 5 16 18 Zp Gr2 26 265651 Pulley 5 Diam A B Profile 27 258021 Bearing Stamped Flange 1 Bore 28 111581 Bolt Hcs 5 16 18 x 1 Gr5 Zp 29 264741 Guard Pulley 30 264831 Ring Retaining 1 Shaft 31 265621 Base Cutter Head 2 Key 32 264641 Plate Side Cutter Head 33 160861 Bolt Hhcs 1 4 20 x 1 3 4 Gr8 34 110731 Nut Nylon Lock 1 4 20 35 264671 Tooth Left 36 264651 Tooth Straight 37 264661 Tooth Right 38 142291 Key Square 1 4 x 1 1 4 39 127811 Label Warning Check Oil 40 264851 Wire Harness Not Illustrated 265321 Teeth Kit Schematic DRIVE ASSEMBLY see next page for 9HP specific parts CONTACT US AT www DRpower com 27 Parts List DRIVE ASSEMBLY 9HP specific parts NOTE Part numbers listed are available through DR Power Equipment Ref Part Description 01 271721 Frame w Labels 02 265361 Bolt Serrated Flange M6 1x16 03 112411 Washer Flat 5 16 Uss 04 123341 Bolt Hhcs 3 8 16 x 1 3 4 Gr 5 Zp 05 264851 Wire Harness Manual Start 286901 Wire Harness Electric Start 06 127811 Label Warning Add Oil 07 271331 Engin
13. DR STUMP GRINDER SAFETY amp OPERATING INSTRUCTIONS DR Power Equipment Toll free phone 1 800 DR OWNER 376 9637 SEEE Fax 1 802 877 1213 Order No Original Language Website www DRpower com Serial No WARNING WARNING Read and understand this manual and all instructions before operating the DR STUMP GRINDER Table of Contents Ghapter General Satery IR H SS AK ee e E ENA an eaueaydeluadacn KE KADER AN KA E DAME Pen dR y Kere u n dee Ka e Kene W 3 Chapter 2 gt Settine Up The DKSTUMPGRINDEN siy n akena O eel e E an ce eda yA e K n Mn KAN E ede nee y le ede KO eyd 6 Chapter o Operating Wine DR STUMP GRINDER ictal a a n y an y kana h k KAR dake stacked sa hew n n w An AA a na ea e dake we e 11 Chapter4 Maintaining The DESTUME CGR INDERN i senay keniyan k y ka kewok ik anan Anak n nake a an heya da nan van bn 14 Chapter 5 Troubleshooting DDKD bbxggxg Ooo ooo npmm77ggaappoxx _yppnD eIDrD n yyOonpMxja nr 22 Chapter 6 Parts Lists schematic Diagrams And Warranty sisusse ieina e E ea ae a WE aE 24 Conventions used in this manual WARNING _ This indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION CAUTION This indicates a hazardous situation which if not avoided could result in minor or moderate injury Novice lt o EEMM2 A jj gt k
14. Engine to start and continue running If you need to stop the machine quickly for any reason let go of the Operator Presence Lever Figure 11 CONTACT US AT www DRpower com 11 Key Switch 3 Hold down the Operator Presence Lever and turn the Key Switch fully to the Start position until the engine starts Figure 12 The Key will move back a bit from the full Start position when released 4 As the engine warms up slowly adjust the Choke to the right towards the run position Wait until the engine runs smoothly before each Choke adjustment 5 When the Engine is warmed up and running smoothly ensure that the Choke is fully in the run position to the right Stopping the Engine Figur 12 1 Slowly release the Throttle Control Lever to the idle position Figure 9 2 Release the Operator Presence lever to stop the Engine 3 Turn the Ignition Switch to the Off position Figure 10 for 6HP Manual Start and to the left Figure 12 for 9HP Electric Start Before You Begin e Dig away the earth and remove any stones near the tree stump that may interfere with your work e Check that the ground is free of foreign objects such as electrical cables barbed wire etc e Cut the stump as close to the ground as possible using a Chainsaw before using the Stump Grinder 12 DR STUMP GRINDER Grinding Stumps These grinding instructions are basic guidelines Try different techniques in direction and depth
15. MP GRINDER Be sure your gloves fit properly and do not have loose cuffs or drawstrings e Wear shoes with non slip treads when using your STUMP GRINDER If you have safety shoes we recommend wearing them Do not use the machine while barefoot or wearing open sandals Wear long pants while operating the STUMP GRINDER e Use ear protectors or ear plugs rated for at least 20 dba to protect your hearing e Keep bystanders at least 50 feet away from your work area at all times Stop the engine when another person or pet approaches CONTACT US AT www DRpower com 3 Safety for Children and Pets WARNING WARNING Tragic accidents can occur if the operator is not alert to the presence of children and pets Children are often attracted to the machine and the grinding activity Mever assume that children will remain where you last saw them Always follow these precautions e Keep children and pets at least 50 feet from the working area and ensure they are under the watchful care of a responsible adult e Be alert and turn the machine off if children or pets enter the work area e Never allow children to operate the STUMP GRINDER Safety with Gasoline Powered Machines A WARNING Gasoline is a highly flammable liquid Gasoline also gives off flammable vapor that can be easily ignited and cause a fire or explosion Never overlook the hazards of gasoline Always follow these precautions e Never run the engine in an enclosed area or without
16. R STUMP GRINDER carries prominent labels as reminders for its proper and safe use Shown below are copies of all the Safety and Information labels that appear on the equipment Take a moment to study them and make a note of their location on your STUMP GRINDER as you set up and before you operate the unit Replace damaged or missing safety and information labels immediately VARNING THROTTLE 75 Meigs Road Vergennes VT 05491 Tilan 1 800 DR OWNER www DRpower com CONTROL CUTTING HEAD ROTATION Keep Body Parts Remove Objects Do Not Operate Use Caution Away From That Could Be When Children On Slopes Rotating Parts Thrown By Or Others Are Rotating Parts Around 257091 264881 188871 Protecting Yourself and Those Around You WARNING WARNING This is a high powered machine with moving parts operating with high energy You must operate the machine safely Unsafe operation can create a number of hazards for you as well as anyone else in the nearby area Always take the following precautions when using this machine e Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people their property and themselves e Always wear protective goggles or safety glasses with side shields while using the STUMP GRINDER to protect your eyes from possible thrown debris e Avoid wearing loose clothing or jewelry which can catch on moving parts We recommend wearing gloves while using the STU
17. able to 32 36 5 and 40 w tools and 40 w tools and 40 w tools Brake Band w locking feature Band w locking feature Band w locking feature 4 Clutch Centrifugal Centrifugal Centrifugal Engagement speed 1900 RPMs 1900 RPMs 1900 RPMs Welded 12 ga steel Welded 12 ga steel Welded 12 ga steel construction construction n Veet aino 49 3 OD 47 3 ID BP47 49 8 OD 47 3 ID BP47 49 8 OD 47 3 ID Construction Wrapped for abrasion Wrapped for abrasion Wrapped for abrasion resistance resistance resistance Cutting Head Rotary 9 Tooth Rotary 9 Tooth Rotary 9 Tooth Cutting Head Size 1 3 Wide kerf X 10 5 1 3 Wide kerf X 10 5 1 3 Wide kerf X 10 5 w Teeth Diameter Diameter Diameter Cutting Teeth Replaceable Tungsten Carbide Replaceable Tungsten Carbide Replaceable Tungsten Carbide Tipped three position Tipped three position Tipped three position Machine Dimensions 28 Wx 51 Lx 36 H 28 Wx 51 Lx 36 H 28 Wx 51 Lx 36 H center center Handlebar position center Handlebar position Handlebar position Operating Weight 139 Ibs 160 Ibs Shipping Weight Shipping Dimensions 54 75 Lx 35 5 W x 45 25 H 54 75 Lx 35 5 W x 45 25 H 54 75 Lx 35 5 W x 45 25 H Unpacking the DR STUMP GRINDER Tools and supplies Needed e Wire Cutters e Utility Knife e Needle Nose Pliers e Safety Glasses A CAUTION CAUTION The Straps and Cable Ties may be under tension Wear Safety Glasses when c
18. age Remove any debris wrapped around the Cutter Head If your DR STUMP GRINDER will be idle for more than 30 days we recommend using a gas stabilizer This will prevent sediment from gumming up the Carburetor If there is dirt or moisture in the gas or tank remove it by draining the tank Completely fill the tank with fresh unleaded gas and add the appropriate amount of stabilizer or gasoline additive Run the Engine for a short time to allow the additive to circulate Clean the exterior of the unit to remove all dirt grease and any other foreign material To prevent rust touch up painted surfaces that have been scratched or chipped Be sure all nuts bolts and screws are securely fastened e Inspect moving parts and the Drive Belt for damage and wear replace if necessary e Remove the Spark Plug s and pour about 1 ounce of motor oil into the Cylinder hole Replace the Plug s and crank the Engine over a couple of times using the Pull Cord or the Electric Starter for Electric Start Machines This will coat the piston and seat the valves to prevent moisture buildup If possible store the Stump Grinder in a dry protected place If it is necessary to store the Stump Grinder outside cover it with a protective material especially the Engine For Electric Start Model store the machine in a dry environment with temperatures between 40 degree symbol F 5C and 95F 35C Make sure the storage temperatures will never be outside of these li
19. at the Wheel Figure 27 3 Tighten the lower Nut up against the Bracket 4 Lower the Stump Grinder to the ground and test the Brake and pivoting side to side action 5 Ifthe left side Wheel rotates forward while the Brake Lever is locked the Cable needs more tightening Repeat steps above as needed NOTE When the Cable is adjusted correctly and the Brake Lever is locked the left side Wheel will still rotate in reverse towards the operator with some effort but should not rotate forward Loosening the Brake Cable if the Brake does hold the Wheel in place but pushing the machine with the Brake off is difficult 6 As you rotate the Wheel forward with Wheel Lever unlocked loosen the upper Nut until the Wheel turns more freely but you still feel a slight resistance at the Wheel Figure 27 7 Tighten the lower Nut up against the Bracket 8 Lower the Stump Grinder to the ground and test the Brake and pivoting side to side action 9 If the left side Wheel holds when the Brake is applied but the machine is Poorer hard to push ahead when the Brake is released the Cable needs more a 1 4 Turn loosening Repeat steps above as needed ji i a2 Adjusting The Throttle Linkage ae B1 LLL j re Throttle Over time friction may increase in the Throttle Linkage If the throttle lever does RRE ivot Nut not return fully to low idle the throttle Pivot Nut may need adjustment Tools needed e 10mm Socket
20. ce intervals listed in the checklist below supersede those listed in the engine manufacturer s owner s manual A WARNING WARNING Before performing any maintenance procedure or inspection stop the engine wait five 5 minutes to allow all parts to cool Disconnect the spark plug wire keeping it away from the spark plug Disconnect the Battery Terminals Electric start only Regular Maintenance Checklist PROCEDURE BEFORE EVERY 25 EVERY 60 Every 100 men o r Check Engine Oil Level a ee Engine Oil Sa ne es Check Cutting Teeth are they dull or damaged O Z O lo Cid CdS Clean Engine Exterior amp CoolingFins _____________ __ J Remove debris wrapped around Cutter Head for Bearing protection a Check Tire Pressure CheckTire Pressure_______________ k k jlj btl l lj lj jl lj So Soa S O o oO Replace Belt if stretched orworn _______________ o __ _ _ U k O Clean Air Fiter O O o o ooo o a Coo CA O S A hours Replace Cutting Teeth or sooner if dull or damaged O l oa U t f O Check Cutter Head when Teeth are replaced O o lo _ o _ai y U O O Replace Cutter Head order kit 27162 To CT VL oa Replace Spark Plug o o oS kkjilil i i_ j Z Z Z Z r k k S Aa Replace Air Filter oo o S S j V T ta Removing and Replacing the Engine Oil Tools and Supplies Needed e 14mm Wrench e 1 2 Wrench electric start only e Rags and approved Container for waste oil e Small funnel
21. d information NOTE To refill the gas tank turn the engine OFF and let the engine cool at least five minutes before removing the gas fill cap A WARNING WARNING Remove any blocking used to level the Engine before operating the DR Stump Grinder Check the Tire Pressure Tools Needed e Tire Pressure Gauge e Air Compressor 1 Remove the Valve Stem Protective Cap Figure 7 and check the tire pressure with a Tire Pressure Gauge 2 Check what the manufacturers recommended pressure is that is stamped on the side of the Tire 3 Ifthe pressure is too low add air through the Valve Stem with an air hose 4 Replace the Valve Stem Protective Cap when finished A WARNING WARNING Do not over inflate the tires Inflate to the manufacturers recommended pressure found on the tires Connect the Battery NOTE The Battery may have been shipped with a protective Cap over the negative Terminal and the Cap will need to be removed to connect the Negative Wire 1 Connect the Black Negative Terminal onto the negative Battery Lug Figure 8 Chapter 3 Operating The DR STUMP GRINDER It may be helpful to better familiarize yourself with the features of your Stump Operator Presence Grinder by reviewing Figure 1 in Chapter 2 before beginning the steps outlined Lever in this chapter WARNING WARNING Read and understand the warnings listed in Chapter 2 General Safety Rules before operating this Stump Grinder Thr
22. e Ratchet and Extension 1 Loosen the Throttle Pivot Nut 1 4 turn counterclockwise and test the Throttle Lever Figure 28 If the Throttle Lever fully returns to low idle it is working properly If there is still some hesitation of the Throttle Lever fully returning to low idle turn the Throttle Pivot Nut another 1 4 turn and retest as needed NOTE The Throttle Pivot Nut should not be loosened to the point that the Throttle Linkage is too loose has excessive play If the problem persists please contact us at www DRpower com or call 1 800 DR OWNER 376 9637 for Figure 28 assistance CONTACT US AT www DRpower com 19 Battery Care For Electric Starting Models Only Proper care can extend the life of a Battery Follow these recommendations to ensure your Battery s best performance and long life e Do not allow the Battery charge to get too low If the machine is not used charge the Battery every 4 6 weeks Operate the engine for at least 45 minutes to maintain proper Battery charge e Store an unused Battery in a dry environment with temperatures between 40 F 5 C and 95 F 35 C Make sure the storage temperatures will never be outside of these limits The lower the storage temperature is within the specified temperature the better as the battery will discharge more slowly at low temperatures e Do not charge an already charged Battery In theory you cannot overcharge our Battery with a trickle charger however when a
23. e or leak e Do not dispose of a lead acid Battery in your regular household trash Law in most areas prohibits incinerating disposing in a landfill or mixing a sealed lead acid Battery with household trash Recycling a Used Battery Please dispose of your used Batteries responsibly by recycling them Call your local Solid Waste Management District or your local waste handler to locate the collection site nearest you Some collection sites recycle Batteries year round others collect them periodically You can also visit the Web site of Earth 911 for more information www earth911 org Once there click the Municipal HHW link under Hazardous Household Waste and enter your zip code The site lists recycling centers located near you For a fee you can recycle your Batteries with the International Metals Reclamation Company Visit them at www inmetco com and click Services or contact them at INMETCO PO Box 720 245 Portersville Road Ellwood City PA 16117 724 758 2825 fax 724 758 2845 To learn more about hazardous waste recycling visit the Web site for Battery Council International www batterycouncil org or for the Environmental Protection Agency www epa gov CONTACT US AT www DRpower com 21 a Chapter 5 Troubleshooting Most problems are easy to fix Consult the Troubleshooting Table below for common problems and their solutions If you continue to experience problems contact us at www DRpower com or call toll free 1 8
24. e w Labels Subaru 9HP 287031 Engine W Label 13 74 GTQ Subaru E S 08 188871 Label Hot Surface R C 28 DR STUMP GRINDER Ref Part Description 09 265331 Clutch Centrifugal 1 Bore 10 265631 Belt Stump Grinder 9HP 11 271401 Spacer 1 ID 1 375 OD 313 Th 12 2 1641 Washer 47 ld 1 4 Od 15 Th 13 229111 Bolt Hhcs 7 16 20 X 1 Gr 8 Locking Patch 14 110751 Nut Nylon Lock 3 8 16 15 265681 Shim 1 ID 1 375 OD x 16 Th Parts List and Schematic AXLE ASSEMBLY NOTE Part numbers listed are available through DR Power Equipment Ref Part Description 0 247441 Wheel 14 5 x 7 6 2 Ply Gray 02 178821 Bolt Hcs 5 16 24 x 1 03 112431 Washer Lock Split 5 16 04 165141 Washer 385 ID 1 390 OD 3 8 Th 05 264691 Bushing Bronze 75 OD 63 ID 06 265641 Axle 07 246771 Key Square 3 16 x 1 08 264861 Brake Drum 09 123211 Bolt Hcs 5 16 18 x 3 4 10 112381 Washer Flat 1 4 Uss 11 264731 Brake Band 12 164131 Nut Nylon Lock 3 8 16 Lo Profile 13 123361 Bolt Hhcs 5 16 18 x 1 1 4 Gr5 Zp 14 15 16 17 18 19 20 2 22 23 24 25 26 110761 111261 129691 264771 110731 112371 119831 242301 134471 143861 286971 258621 283201 Ref Part Description Nut Nylon Lock 5 16 18 Ring Retaining 3 4 Ext Shim 3 4 ID 1 1 8 OD 1 16 L Zp Bushing Flange 3 4 ID Nut Nylon Lock 1 4 20 Washer Flat 10 Uss Bolt Hhcs 1 4 20 x 3 4 L Hold Down Battery Batte
25. gh the Stump Continue this process until you have removed the front portion of the stump to ground level nonce If the Engine bogs down lift the Cutting Head away from the stump to allow rei the Cutting Head to come back up to speed before further cutting Figure 15 7 Swing the Cutter Head over to the right side Figure 15 arrow 1 advance the machine forward arrow 2 by releasing and resetting the brake The machine should only be advanced far enough to engage the Cutter Head into the stump so that when swept across the stump it will remove 1 2 to 1 of stump with each sweep 8 Sweep the Cutter Head across the stump cutting away 1 2 to 1 of stump 9 Continue cutting and advancing until the top level of stump is all removed making sure not to cut the stump deeper than ground level during this first stage 10 Release the Throttle Lever and then the Operator Presence Lever to stop the Engine and wait ten seconds for Cutter Head to stop rotating 11 Release the Brake so you can pull the machine away from the stump and remove the chips debris and any dirt away from the stump 12 Repeat steps 1 through 11 until the stump is removed to the desired depth CONTACT US AT www DRpower com 13 Chapter 4 Maintaining The DR STUMP GRINDER Regular maintenance is the way to ensure the best performance and long life of your machine Please refer to this manual and the engine manufacturer s owner s manual for maintenance procedures Servi
26. heel Brake shut down the engine remove the spark plug wire and wait 5 minutes before performing any maintenance procedure or inspection on the Stump Grinder SYMPTOM POSSIBLE CAUSE Engine smokes Check the oil level and adjust as needed Clean the Engine cooling fins and the carburetor housing if they are dirty The Air Filter may be dirty change it following the procedure in the Engine Owner s Manual You may be using the wrong oil Refer to your Engine Owner s Manual for detailed information Ifthe Engine still smokes visit our website at www DRpower com The Engine runs well but The Throttle should be fully pressed to engage Clutch the Cutting Head won t The Cutter Head Drive Belt is off the pulleys or broken Reinstall or change Belt refer to move Chapter 4 Maintaining the DR Stump Grinder Confirm there is nothing wedged wrapped around cutter head or Pulleys Confirm the throttle is moving on the engine Confirm that Belt has not stretched to a point that it is slipping off the Pulleys Clutch is not working Change Clutch refer to Chapter 4 Maintaining the DR Stump Grinder The Engine does not gt Throttle linkage is sticking Adjust throttle linkage refer to Chapter 4 Maintaining the DR fully return to low idle Stump Grinder when the throttle is released The Cutting Head is The teeth are dull or damaged Replace Teeth refer to Chapter 4 Maintaini
27. ing the Stump Grinder don t hurry or take things for granted When in doubt about the equipment or your surroundings stop the machine and take the time to look things over e Never operate the machine when under the influence of alcohol drugs or medication e Use the machine only in daylight e Stay alert for hidden hazards or traffic e Keep all nuts and bolts tight and keep the equipment in good operating condition A Note to All Users Under California law and the laws of some other states you are not permitted to operate an internal combustion engine using hydrocarbon fuels without an engine spark arrester This also applies to operation on US Forest Lands All DR STUMP GRINDERS shipped to California New Mexico and Washington State are provided with spark arresters Failure of the owner or operator to maintain this equipment in compliance with state regulations is a misdemeanor under California law and may be in violation of other state and or federal regulations Contact your State Park Association or the appropriate state organization for specific information in your area No list of warnings and cautions can be all inclusive If situations occur that are not covered by this manual the operator must apply common sense and operate this DR STUMP GRINDER in a safe manner Contact us at www DRpower com or call 1 800 DR OWNER 376 9637 for assistance CONTACT US AT www DRpower com 5 eee Chapter 2 Setting Up The DR STUMP GRINDER
28. leave it out hold a rag over the Plug Hole and pull the Recoil Cord several times to blow out any oil in the Cylinder then wipe off the Plug and reinsert it Check the wire connections especially the ground connections to the Engine and the Starter connections Check to be sure that all of the connections are clean and tight The Battery may not be charged Check the voltage yourself or at a Service Station If it is low charge it with a 12 volt 1 to 2 amp trickle Charger If you do not use your machine for at least 45 minutes at a time the Battery may need to be periodically charged See the Battery Care section in Chapter 4 If your Engine still won t start visit our website at www DRpower com The Engine lacks power Make sure the Choke Lever is all the way off or is not running smoothly The Air Filter may be dirty change it following the procedure in the Engine Owner s Manual The Spark Plug may be dirty or cracked change it if necessary The gas may be old change it if necessary Use a fuel stabilizer if you keep gas longer than Please refer to the nemoni Engine Owner s Manual for engine specific procedures Check that the Cooling Fins are clean and free of debris Clean as needed The Engine oil may be dirty Change it if necessary If your Engine still lacks power visit our website at www DRpower com 22 DR STUMP GRINDER EA Troubleshooting Table Continued A WARNING Set the W
29. mits The lower the storage temperature is within the specified temperature the better as the battery will discharge more slowly at low temperatures If it is necessary to store the Stump Grinder outside make sure to disconnect the battery and store it in an environment as listed above Make sure the disconnected battery terminals are not resting on any surface that may be prone to collecting water snow or any other liquid as this may cause damage to the terminals and to the battery when reconnected 75 MEIGS ROAD P O BOX 25 VERGENNES VERMONT 05491 2011 Country Home Products Inc All rights reserved 290201
30. ng the DR Stump rotating but the cutting Grinder action is extremely slow and the stump is showing signs of excessive heat Belt falls off Pulleys Check Pulleys and Belt for damage frequently Check tightness of Idler Arm Pivot Bolt Left side Wheel turns Brake Cable needs adjusting Adjust Cable as needed refer to Chapter 4 Maintaining the DR forward when Brake Stump Grinder Lever is locked or machine is difficult to push when Brake Lever is released CONTACT US AT www DRpower com 23 Nee ee Chapter 6 Parts Lists Schematic Diagrams And Warranty Parts List HANDLEBAR ASSEMBLY NOTE Part numbers listed are available through DR Power Equipment Ref Part Description 01 271731 Cross Member Handlebar w Labels 02 134431 Bolt 5 16 18 x 1 1 2 03 110761 Nut Nylon Lock 5 16 18 04 265191 Label Control Panel Front 05 179291 Plug Control Panel With Cutout 06 180691 Lever Op Presence w Wire 07 165181 Lever Brake w Lock 08 164951 Grip Ergonomic 1 09 164961 Grip 1 10 264801 Throttle 11 111631 Screw 10 x 1 1 2 Type A 12 265291 Handlebar Right w Label 13 150431 Bolt Hhcs 3 8 16 x 1 1 4 Gr5 14 112411 Washer Flat 5 16 Uss 15 247291 Handlebar Left 16 110751 Nut Nylon Lock 3 8 16 17 157121 Bolt Hcs 3 8 16 x 2 1 4 Full Thread 18 112141 Cable Tie 7 1 2 24 DR STUMP GRINDER Ref Part Description 19 264791 Bracket Brake Cable 20 179121 Bolt Tri Lobe
31. ooth Figure 23 CONTACT US AT www DRpower com 17 Dead Blow Hammer Figure 24 Brake Hub Bolt Lock Washer and Flat Washer Figure 25 Handlebar Bottom Bolt Flat Washers and Locknut Figure 26 Replacing the Clutch Tools and Supplies needed e 1 2 Wrench 6HP e 5 8 Wrench 9HP e Dead Blow Hammer 1 Place a 1 2 Wrench 6HP or 5 8 Wrench 9HP onto the Clutch Bolt and rotate the Wrench counterclockwise until you feel some resistance Figure 24 2 Hit the Wrench with a Dead Blow Hammer to start the Bolt turning on the Engine Shaft 3 Remove the Bolt Lock Washer Large Flat Washer and Clutch from the Engine Shaft 4 Apply a never seize type grease to the Engine Shaft and install the new Clutch align the Clutch Key Slot with the Key on Engine Shaft and secure with the Bolt Lock Washer and Large Flat Washer using a 1 2 Wrench 6HP or 5 8 Wrench 9HP Lubricate Cables Supplies needed e SAE 30 Oil 1 Lubricate the ends of the Throttle and Brake Cables with SAE 30 Oil where the cable goes into the sheathing 2 Work the Cable Levers to work the Oil in between the Cable and Sheathing Adjusting the Handlebars Supplies needed e Two 9 16 Wrenches e 1 2 Wrench 1 Remove the left Wheel as described in the Replacing the Wheels section NOTE The Brake Lever can be locked to aid in loosening the Hardware in the next step but must be unlocked to remove the Brake Drum 2 Remo
32. ottle Lever Lever Control Levers Figure 9 1 Familiarize yourself with all of the Control Levers and their functions before e operating the Stump Grinder Figure 9 Starting the Engine Manual Start Ignition Switch 2 Turn the Ignition Switch to the ON position Figure 10 6HP only 3 Make sure the Fuel Shut off is in the OPEN position Figure 11 4 Move the Choke Control Lever to the left to the choke position leave in the run position to the right if the engine is already warm NOTE The Operator Presence Lever must be held down for the Engine to start and continue running If you need to stop the machine quickly for any reason let go of the Operator Presence Lever 5 Hold down the Operator Presence Lever and slowly pull the Starter Cord until you feel resistance then pull quickly The Cord will recoil back into position 6 As the engine warms up slowly adjust the Choke to the right towards the run position Wait until the engine runs smoothly before each Choke adjustment 7 When the Engine is warmed up and running smoothly ensure that the Choke is fully in the run position to the right Starting the Engine Electric Start 1 Make sure the Fuel Shut off is in the OPEN position Figure 11 2 Move the Choke Control Lever to the left to the choke position leave in the run position to the right if the engine is already warm NOTE The Operator Presence Lever must be held down for the
33. ours to fully charge Do not leave the charger on the battery longer than 24 hours for a 2 amp charger or 48 hours for a 1 amp charger as you could potentially damage the battery e You can charge the Battery many times The Battery lasts longer if you charge it before it is fully drained Keep it fully charged and at room temperature when not using your DR STUMP GRINDER e Ifthe Battery does not hold its charge for very long under normal conditions or it simply won t hold a charge then replace it You can purchase replacement Batteries directly from us To install your new Battery follow the directions on the next page 20 DR STUMP GRINDER ND Replacing the Battery Tools Needed e Two 7 16 Wrenches 1 Disconnect the Battery Terminals Figure 29 2 Remove the Bolts and Locknuts that secure the Battery Clamp using two 7 16 Wrenches 3 Remove the Clamp and the dead Battery Battery 4 Install the new Battery Terminals Battery Clamp Bolts and Locknuts 5 Install the Battery Clamp and secure with the Bolts and Locknuts using two 7 16 Wrenches 6 Attach the Battery Terminals Black Wire to negative black Terminal and Red a Figure 29 Wire to positive red Terminal Disposing of the Battery Responsibly Electric Start Models The Battery is a sealed lead acid Battery Recycle or dispose of it in an environmentally sound way e Do not dispose of a lead acid Battery in a fire the Battery may explod
34. p Grinder on the ground remove the Bolt Lock Washer and Large Flat Washer from the Axle with a 1 2 Wrench Figure 21 2 Block the Stump Grinder up so the Wheels are off the ground and remove the Wheel NOTE The Wheel on the right hand side has a Bushing in each end of the Wheel Hub make sure the Bushings are in place when installing the Wheel The left hand Wheel has a Keyway built in with a key to hold it from spinning when the Brake is applied make sure the Key is installed in the slot when installing the Wheel Bolt and Washer Figure 21 3 Reinstall the Wheel and secure with the Bolt Lock Washer and large Flat Washer using a 1 2 Wrench 16 DR STUMP GRINDER Replacing the Cutting Teeth Tools and Supplies needed e Two 7 16 Wrenches e Gloves CAUTION Wear Gloves when working near the teeth Without Gloves your hands could suffer cuts from the sharp Teeth 1 Block the front end of the Stump Grinder so the Cutter Head is just off the ground 2 Remove the nine Bolts and Locknuts from the Cutter Head with two 7 16 Wrenches Figure 22 3 Move the Side Plates away from the Cutter Head Base to gain access to the Teeth Figure 23 4 Remove a Cutter Tooth by sliding the Tooth to the side and pulling it away from the Cutter Head Install a new Cutter Tooth that is the same as the one you removed straight left bend or right bend 5 Continue removing and adding Teeth until they all are replaced
35. proper ventilation as the exhaust from the engine contains carbon monoxide which is an odorless tasteless and deadly poisonous gas e Store all fuel and oil in containers specifically designed and approved for this purpose and keep away from heat and open flame and out of the reach of children e Replace rubber fuel lines and grommets when worn or damaged and after 5 years of use Fill the gasoline tank outdoors with the engine off and allow the engine to cool completely Don t handle gasoline if you or anyone nearby is smoking or if you re near anything that could cause it to ignite or explode Reinstall the fuel tank Cap and fuel container cap securely e If you spill gasoline do not attempt to start the engine Move the machine away from the area of the spill and avoid creating any source of ignition until the gas vapors have dissipated Wipe up any spilled fuel to prevent a fire hazard and properly dispose of the waste e Allow the engine to cool completely before storing in any enclosure Never store a machine that has gas in the tank or a fuel container near an open flame or spark such as a water heater space heater clothes dryer or furnace e Never make adjustments or repairs with the engine running Shut down the engine disconnect the spark plug wire keeping it away from the spark plug to prevent accidental starting wait 5 minutes before making adjustments or repairs e Never tamper with the engine s governor setting The governor
36. ry 9AH 12V Pad Battery 1 38 x 7 0 Pad Battery 2 5 x 6 125 Bracket Battery Clamp Tube 7 16 Vinyl coated CONTACT US AT www DRpower com 29 Notes 30 DR STUMP GRINDER EEz Notes CONTACT US AT www DRpower com 31 Daily Checklist jor the DR STUMP GRINDER To help maintain your DR STUMP GRINDER for optimum performance we recommend you follow this checklist each time you use your Stump Grinder A WARNING WARNING Before performing any maintenance procedure or inspection stop the engine wait five 5 minutes to allow all parts to cool Disconnect the spark plug wire keeping it away from the spark plug On mM ko l i a a l a kl kl Check the engine oil and Gas Tank level Check that Engine is clean of debris Check the general condition of the Stump Grinder e g nuts bolts welds etc Check Belt for wear and or stretching Check Tire Pressure and wear Check the Teeth for wear and damage Check the Frame for wear and damage check the Debris Guard for wear and damage Remove any debris wrapped around the Cutter Head for Bearing protection End of Season and Storage WARNING WARNING Before performing any maintenance procedure or inspection stop the engine wait five 5 minutes to allow all parts to cool Disconnect the spark plug wire keeping it away from the spark plug Change the engine oil Clean or replace the Air Filter Check the teeth for wear and dam
37. t Lock Washer and Flat Washer from the rear of the Belt Guard with a 1 2 Wrench Figure 18 Slightly loosen the Bolt Washers and Lock Nut at the front of the Belt Guard with two 1 2 Wrenches and rotate the Guard forward NOTE You may need to pull out on the bottom edge of the Guard as you rotate the Belt Guard to clear the Frame You should wear Gloves as you position a 9 16 Wrench onto the Idler Pulley Bolt and inline with the Pulley Bracket Figure 19 Pull the Wrench to rotate the Belt Tensioner away from the Belt and then remove the Belt from under the Idler Pulley Roll the Belt off the top of the Clutch Pulley by rotating the Cutting Head in the reverse direction as you guide the Belt off to the side at the top of the Pulley Figure 19 Remove the Belt from around the Cutting Head Pulley Figure 20 Reverse the previous steps to install the new Belt and reinstall the Belt Guard NOTE When installing the Belt onto the Clutch Pulley Start the Belt onto the bottom of the Pulley and rotate the Cutting Head forward as you guide the Belt up over the top of the Pulley Oil Drain Plug Oil Fill Dipstick Figure 17 Bolt Lock Washer and Flat Washer Bolt Flat N Washers and Locknut Figure 18 Wy DP Clutch Pulley Belt Figure 19 Cutting Head Pulley Figure 20 CONTACT US AT www DRpower com 15 Replacing the Wheels Tools and Supplies needed e 1 2 Wrench 1 With the Stum
38. utting the Straps and Cable Ties to protect your eyes 1 Cut the two Straps securing the Box Cover and remove the Cover Figure 2 Figure 2 8 DR STUMP GRINDER 2 Pull the seams at the ends of the Box apart you may need Needle Nose Safety and Operating Box Instructions Manual Seams Pliers to loosen the staples and lay the sides down Figure 3 3 Remove the Product Package Safety and Operating Instructions manual and Engine manual from the Control Panel by cutting the tape with a Utility s Knife 4 Cut all Plastic Straps that are securing the Stump Grinder to the Pallet unlock the Brake by pressing it and roll the Stump Grinder from the Pallet Figure 4 Do not discard the shipping materials until you are fully satisfied with your new DR STUMP GRINDER Adding Oil and Gasoline Engine Oil SAE 30 above 50 degrees F 10w 30 10 90 degrees F 5w 30 30 degrees F or below Figure 3 Fud ss Unleaded gasoline once e You must add oil before starting the engine This machine is shipped without oil Traces of oil may be in the reservoir from factory testing but you must add oil before starting the engine Fill the reservoir slowly checking the level frequently to avoid overfilling e To get an accurate reading when checking the oil level The Engine must be level The dipstick should not be screwed down to ensure an accurate oil Figure 4 level reading gt Cable Ties NOTE Use only the
39. ve the four Bolts Lock Washers and Flat Washers from the Brake Drum with a 1 2 Wrench and pull the Drum from the Axle Figure 25 3 Remove the bottom Bolt Flat Washers and Locknuts from both Handlebars with two 9 16 Wrenches and just loosen the upper Hardware Figure 26 4 Rotate the Handlebars forward to adjust them higher or back to make them lower and align with the holes in the Frame 5 Reinstall the bottom Bolt Flat Washers and Locknuts into both Handlebars and tighten all Handlebar Hardware with two 9 16 Wrenches 6 Reinstall the Brake Drum and Wheel on the left side of the machine NOTICE Cc n kEEa5ZJJ 2 When the Handlebars are adjusted to the highest setting you should change the position of the Exhaust Deflector so it is oriented 45 downward to the left so it is not pointing directly at the Handlebar The paint may be damaged if the Deflector is not rotated 18 DR STUMP GRINDER Adjusting The Brake Tools and supplies needed Brake Cable e 1 2 Wrench e Blocking Material NOTE You must block the machine up so the left side Wheel is just off the ground and can rotate freely to perform the following steps Adjusting Tightening the Brake Cable if the Brake does not hold the Wheel in Nuts place Spring 1 Loosen the lower nut a few turns so it moves away from the Bracket Figure 27 2 As you rotate the Wheel forward with Wheel Lever unlocked tighten the upper Nut until you feel a slight resistance
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