MTD 21A-120R000 Cultivator User Manual
Contents
1. WARNING To prevent serious personal Clevis Pin Felt Cushion Clevis Pin Clip Z Tine Hubs ee ey Figure 27 Figure 28 SECTION 7 OFF SEASON STORAGE If the unit will be stored for an extended time 1 Drain all fuel from the fuel tank into a container Do not use fuel that has been stored for more than 60 days Dispose of the old fuel in accordance to local regulations Start the engine and allow it to run until it stalls This ensures that all fuel has been drained from the carburetor Allow the engine to cool Remove the spark plug and put 1 oz 30 ml of high quality motor oil into the cylinder Pull the starter rope slowly to distribute the oil Reinstall the spark plug 4 Thoroughly clean the unit and inspect for any loose or damaged parts Repair or replace damaged parts and tighten loose screws nuts or bolts 5 Wipe the tines with an oiled rag to prevent rust The unit is ready for storage Never store the unit with fuel in the tank where fumes may reach an open flame or spark Allow the engine to cool before storing Store the unit in a locked up area to prevent unauthorized use or damage Store the unit in a dry well ventilated area Do not store next to corrosive materials such a fertilizer NOTE Remove the spark plug and drain all of the oil from the cylinder before attempting to start the unit after storage e Store the unit out of the reach of childr2. Continue pulling until the engine sounds as though it wants to run normally 2 to 5 pulls NOTE Squeeze the throttle control until the engine has started and warmed up 6 Place the choke lever in the PARTIAL choke position B N See Figure 18 NOTE The unit will not run in the FULL choke position A 1 7 Pull starter rope briskly 1 to 3 times to start the engine See Figure 19 8 If the engine does not start repeat steps 4 through 7 On Off Stop Control Figure 17 age Run Partial Position B Position C Full Choke Position A d a Aa Figure 18 Primer Bulb NOTE If the engine floods while trying to start place the choke lever in the RUN position C t Squeeze the throttle control Pull the starter rope briskly The engine should start within three 3 to eight 8 pulls 9 Squeeze the throttle control to warm up engine for 5 to 10 seconds Place the choke lever in the RUN position C t See Figure 18 NOTE Choking is unnecessary when starting a warm engine Put the On Off Stop Control in the START I position and start in PARTIAL Choke position B See Figures 17 and 18 To Stop Engine 1 Release your hand from the throttle control See Figure 19 Allow the engine to cool down by idling 2 Put the On Off Stop Control in the STOP O position See Figure 17 Figure 19 Using Your Cultivator WARNING Dress properly to reduce the
3. Engine Exhaust some of its constituents and certain vehicle components contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm Be sure the tines are not in contact with anything before starting the unit Avoid accidental starting Be in the starting position whenever pulling the starter rope The operator and unit must be in a stable position while starting See Operating Your Cultivator Use the right tool Only use this tool for the purpose intended Use extreme caution when reversing or pulling the unit towards you Do not overreach take extra care when working on steep slopes or inclines Always keep proper foot ing and balance Always hold the unit with both hands when operating Keep a firm grip on the handlebar grips Keep hands face and feet at a distance from all moving parts Do not touch or try to stop the tines when they are rotating Do not operate without guards in place Do not touch the engine muffler or gearbox These parts get extremely hot from operation When turned off they remain hot for a short time Do not operate the engine faster than the speed needed to do the job Do not run the engine at high speed when not in use Always stop the engine when operation is delayed or when walking from one location to another Do not force unit It will do the job better and with less likelihood of injury at a rate for which it was designed CHILDREN
4. for most gardens Adjust the tines as follows 11 WARNING To prevent serious injury never do adjustments maintenance or repairs with unit running Disconnect spark plug wire to ensure the unit will not start A 1 Stop the engine and disconnect the spark plug wire 2 Loosen do not remove the two wing nuts on the tine guard See Figure 20 3 Slide the wheel bracket assembly down for shallower and up for deeper tine penetration Once the tines are in the desired position tighten the wing nuts making sure that the carriage bolts are seated properly through the bracket 5 Ifthe tine depth is not correct repeat steps 2 to 4 Reconnect the spark plug wire gt ee Down Figure 20 Transporting the Unit WARNING To prevent serious personal injury always stop the engine when operation is delayed or when transport ing the unit from one location to another 1 Stop the engine 2 Slide the wheel bracket assembly all the way down 3 Tilt the unit back until the tines clear the ground Push or pull the unit to the next location to be cultivated NOTE The cultivator can also be carried by the shaft tube grip See Figure 21 Shaft Tube Grip lL Figure 21 SECTION 5 MAKING ADJ USTMENTS A WARNING To prevent serious injury never do adjustments maintenance or repairs with unit running Always do maintenance and repairs on a cool unit Disconnect spark plug wire to ensur
5. leaks Make sure all fasteners are in place and secure Replace parts that are cracked chipped or damaged in any way Do not operate the unit with loose or damaged parts Carefully inspect the area before starting the unit Remove all debris and hard or sharp objects such as glass wire etc Clear the area of children bystanders and pets At a minimum keep all children bystanders and pets outside a 50 feet 15 m radius there still may be a risk to bystanders from thrown objects Bystanders should wear eye protection If you are approached stop the unit immediately Squeeze the throttle control and check that it returns automatically to the idle position Make all adjustments or repairs before using unit Never start or run the unit inside a closed room or building Breathing exhaust fumes can kill Operate this unit only in a well ventilated area outdoors Wear safety glasses or goggles that are marked as meeting ANSI Z87 1 standards and ear hearing protection when operating this unit Wear a face or dust mask if the operation is dusty Wear heavy long pants boots gloves and long Sleeve shirt Do not wear short pants sandals or go barefoot To reduce the risk of injury associated with objects being drawn into rotating parts do not wear loose clothing jewelry scarves etc Secure hair above shoulder level Use the unit only in daylight or good artificial light Keep outside surfaces free from oil and fuel WARNING
6. product previously manufactured No implied warranty including any implied warranty of merchantability or fitness for a particular purpose applies after the applicable period of express written warranty above as to the parts as identified No other express warranty or guaranty whether written or oral except as mentioned above given by any person or entity including a dealer or retailer with respect to any product shall bind MTD During the period of the Warranty the exclusive remedy is repair or replace ment of the product as set forth above Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you The provisions as set forth in this Warranty provide the sole and exclusive remedy arising from the sales MTD shall not be liable for incidental or consequential loss or damages including without limitation expens es incurred for substitute or replacement lawn care services for transportation or for related expenses or for rental expenses to temporarily replace a warrant ed product Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you In no event shall recovery of any kind be greater than the amount of the purchase price of the product sold Alteration of the safety features of the product shall void this Warranty You assume the risk and liability for loss damage or injury to you and your prope
7. sensira ieia aiii aa aee tees aiaa adia Kae da ia iaa 15 THOUDIESHOOEING sip a A A A ATA 15 Parts LIS Ussymia naiai aa EE EE E A E A aie ieee gana 16 FINDING MODEL NUMBER This Operator s Manual is an important part of your new cultivator It will help you assemble prepare and maintain the unit for best performance Please read and understand what it says Before you start assembling your new equipment please locate the model plate on the unit and copy the information from it to the space provided below The information on the model plate is very important if you need help from our Customer Support Department or an authorized dealer You can locate the model number by standing in the operating position behind the unit and looking on the left side of the engine next to the On Off Stop Control Switch A sample model plate is explained below For future reference please copy the model number and the serial number of the equipment in the space below Brand amp Model Serial Number Parent Part Number Copy the model number here SN MADE IN U S A Copy the serial number here Copy the parent part number here CALLING CUSTOMER SUPPORT If you have difficulty assembling this product or have any questions regarding the controls operation or maintenance of this unit please call the Customer Support Department Call 1 800 345 8746 or in Canada 1 800 668 1238 to reach a Customer Support representative Please h
8. will not idle adjust the idle speed screw as follows 12 1 Start the engine and let it run about 2 3 minutes at a high idle to warm up Refer to OPERATING YOUR CULTIVATOR in Section 4 NOTE Ensure the tines are not in contact with the ground when adjusting the idle 2 Release the throttle control and let the engine idle If the engine stops insert a small phillips or flat blade screwdriver into the hole in the air fil ter muffler cover Turn the idle speed screw in clockwise 1 8 of a turn at a time as needed until the engine idles smoothly See Figure 22 NOTE The tines should not rotate when the engine idles 3 If the tines rotate when the engine idles turn the idle speed screw counterclockwise 1 8 of a turn at a time as needed to reduce idle speed Checking the fuel mixture cleaning the air filter and adjusting the idle speed screw should solve most engine problems If not and e The engine will not idle e The engine hesitates or stalls on acceleration e There is a loss of engine power have the carburetor adjusted by an authorized service dealer Idle Speed Screw Figure 22 Engine Specifications Engine Type ous ae Air Cooled 2 Cycle Displacement id aD ukana ane Maal 2s 31cc Idle Speed R P M na ue ae 2 800 3 600 rom Operating R P M 6 700 9 000 rpm Fuel Oil Mixture Ratio ss 0 ec ee ee ee 3211 SECTION 6 MAINTAINING YOUR CU Maintenance Schedule LTIVATOR These r
9. Air Filter Muffler Cover V Shaft Tube Grip Wheel Bracket START ON I On Off Stop Control Ovi ze XA STOP OFF O Assembly Figure 14 Read this operator s manual and safety rules before operating your cultivator Compare illustrations in Figure 14 with your cultivator to familiarize yourself with the location of various controls and adjustments Save this manual for future reference Application Use this unit for tilling sod and light to medium soil Also for tilling in garden areas around trees etc Throttle Control The throttle control trigger is located below the right handlebar grip It controls the engine speed See Figure 14 On Off Stop Control The On Off Stop control switch is located on the left side mounting bracket It is used to turn the unit on and off The switch must be in the START position to start the unit See Figure 14 Choke Control The choke control is located above the air filter muffler cover It is used to enrich the fuel mixture when starting a cold engine See Figure 14 Primer Bulb The primer bulb is located to the left of the air filter muffler cover It is used to draw fuel into the carburetor when starting a cold engine or after refueling the unit See Figure 14 Wheel Bracket Assembly The wheel bracket assembly is used to help move the unit when not in use and control the tilling depth when in use Refer to OPERATING YOUR CULTIVATOR in Sectio
10. Repair Kit Zama 20 181168 Fuel Return Line 181069 Gasket Diaphragm Repair Kit 21 682039 Fuel Line Assembly Walbro 22 145308 Front Mounting Pad 180091 Gasket Diaphragm Repair Kit 23 683065 Shroud Assembly Zama 24 181861 Shroud Screw 180530 Piston Ring 25 182064 Shroud Extension and Stand 182792 Short Block Assembly 26 182736 Flywheel Assembly i includes 45 49 52 27 181065 Spacer 181501 Starter Housing Screw Set 28 181597 Recoil Pulley Assembly 181873 Carburetor Limiter Cap Set Walbro 29 613102 Recoil Spring 181562 Carburetor Limiter Cap Set Zama 30 181441 Pulley Retainer Assembly 610309 Crankcase Seal 31 611061 Rope Guide 181599 Clutch Springs Qty 2 32 180317 Fuel Tank Guard Assembly 33 181079 Pull Handle notshown 34 613103 Rope 35 181912 Housing Screw 17 MODEL 21A 220R000 18 MODEL 21A 120R000 ia Part No Part Description ey Part No Part Description 1 181573 Throttle Trigger and Cable Assembly 18 180943 Drive Shaft Housing Assembly 2 180942 Handle Bar w Clamp Assemblies 19 181577 Flexible Drive Shaft includes 3 5 20 181578 Retainer Sleeve includes 21 3 612831 Grip 21 180288 Sleeve Retainer Bolt 4 612021 Tube Closure 22 147467 Wheel Bracket Mounting Hardware 5 181503 Clamp Assembly 23 182781 Guard 6 147501 Engine Bracket Mounting Hardware 24 181579 Guard Mounting Hardware 7 181574 Engine Mou
11. Tragic accidents can occur if the operator is not alert to the presence of small children Children are often attracted to the tilling activity Never assume that children will remain where you last saw them Keep children out of the work area and under the watchful eye of a responsible adult other than the operator Be alert and turn the unit off if a child enters the area Never allow children under the age of 15 to operate the cultivator SERVICE e Use only replacement parts and accessories approved by the manufacturer for this unit These Use extreme care in handling gasoline and other are available from your authorized service dealer fuels They are extremely flammable and the vapors Use of any non approved parts or accessories are explosive could lead to serious injury to the user or damage Store fuel only in containers specifically designed to the unit and void your warranty and approved for the storage of such materials e This unit has a clutch The tines remain stationary e Avoid creating a source of ignition for spilled fuel when the engine is idling If they do not have the Do not start the engine until fuel vapors dissipate unit adjusted by an authorized service technician e Always stop the engine and allow it to cool before e Keep unit clean of vegetation and other materials filling the fuel tank Never remove the cap of the They may become lodged between the tines and fuel tank or add fuel when the engine is hot Never
12. YARD MACHINES 4 byMTD Operator s Manual Front Tine Cultivator Model 21A 120R000 MTD IMPORTANT Read safety rules and instructions carefully before operating equipment Warning This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest covered brush covered or grass covered land unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark arrestor for the muffler is available through your nearest engine authorized service dealer or contact the service department 550 N 54th Street Chandler Arizona 85226 2434 MTD SOUTHWEST INC 550 N 54TH STREET CHANDLER ARIZONA 85226 2434 PRINTED IN U S A FORM NO 770 10456 PART NO 10120 rev A 11 00 TABLE OF CONTENTS Content Page Important Safe Operation Practices sasiimini isinisi i 3 4 Assembling Your Cultivator issiam yasinan anandia a 5 Know Your Cultivator sisisi ee aa aaa Ea 8 Operating Your CulivatOf ssaa a a ARAS 9 Making AdjuUStMENtTS sccictetitccaerebrndesaerstcnatddeelexdellsecceviianedeenieivens drewuses a eaa 12 Maintaining Your Cultivator aa 13 Off S ASON Storage
13. and fuel mixture Clean and re oil air filter Check spark plug condition and gap Choke Control Partial Choke Position B Screws Figure 25 13 7 Replace the air filter inside the air filter muffler cover See Figure 24 NOTE Operating the unit without the air filter and air filter muffler cover assembly will VOID the warranty 8 Place the air filter muffler cover over the back of the carburetor and muffler NOTE The choke control must be in the PARTIAL choke position B to install the air filter muffler cover See Figure 23 9 Insert the four 4 screws into the holes in the air filter muffler cover and tighten See Figure 23 Use a flat blade or T20 Torx bit screwdriver Do not over tighten Do not force Replacing The Spark Plug Use a Champion RDJ 7Y spark plug or equivalent The correct air gap is 0 020 inch 0 5 mm Remove the plug after every 50 hours of operation to check its condition 1 Stop the engine and allow it to cool Grasp the plug wire firmly and pull the cap from the spark plug 2 Clean dirt from around the spark plug Remove the spark plug from the cylinder head by turning a 5 8 in socket counterclockwise NOTE Replace cracked fouled or dirty spark plug 3 Set the air gap at 0 020 inch 0 5 mm using a feeler gauge See Figure 26 CAUTION Do not sand blast scrape or A clean electrodes Grit in the engine c
14. ave your unit s model number and serial number ready when you call See previous section to locate this information You will be asked to enter the serial number in order to process your call SECTION IMPORTANT SAFE OPERATION PRACTICES A A This Symbol Points Out Important Safety Information Which If Not Followed Could Endanger The Personal Safety And or Property Of Yourself And Others Read And Follow All Instructions In This Manual Before Attempting To Operate Your Cultivator Failure To Comply With These Instructions May Result In Personal Injury When You See This Symbol Heed Its Warning DANGER Your cultivator was built to be operated according to the rules for safe operation in this manual As with any type of power equipment carelessness or error on the part of the operator can result in serious personal injury This cultivator is capable of amputating hands and feet Failure to observe the following instructions could result in serious injury or death GENERAL OPERATION e Read the instructions carefully Be familiar with the controls and proper use of the unit Do not operate this unit when tired ill or under the influence of alcohol drugs or medication Children and teens under the age of 15 must not use the unit except for teens guided by an adult All guards and safety attachments must be installed properly before operating the unit Inspect the unit before use Replace damaged parts Check for fuel
15. before installing or removing tines or before cleaning or performing any maintenance Keep hands and feet away from rotating tines 4 SECTION 2 ASSEMBLING YOUR CULTIVATOR Your yard and garden cultivator has been completely assembled except for the handlebar throttle cable and wheel bracket assembly A large phillips screwdriver is needed for assembly Removing Unit From Carton 1 Carefully unpack the contents and insure that nothing is damaged Unwrap the throttle cable without bending or kinking it WARNING Do not cut the plastic strap A off the handle bar The strap is under tension and can cause serious personal injury if cut 2 Squeeze the handle bar and slide the plastic strap down and off See Figure 1 NOTE Do not squeeze the handlebar too tight Excessive squeezing can cause the handlebar to kink Squeeze Together gt Plastic Strap Figure 1 SETTING UP YOUR CULTIVATOR Installing The Wheel Bracket Assembly WARNING To avoid injury from the tines A wear heavy gloves and a long sleeve shirt when installing the wheel bracket assembly 1 With the unit on it s side place the wheel bracket assembly on the underside of the tine guard See Figure 2 2 Install a carriage bolt through each of the slotted holes in the wheel bracket and into the tine guard 3 On the top side of the tine guard install a lock washer and a wing nut onto each of the bolts See Figure 2 4 Make su
16. clean and free from wear heavy gloves when handling removing debris Clean after each use see Off Season installing or cleaning the tines Storage wP BOP z f j Mia wilh e Keep these instructions Refer to them often and use them to instruct other users If you loan some one this unit also loan them these instructions WARNING YOUR RESPONSIBILITY Restrict the use of this power machine to persons who read understand and follow the warnings and instructions in this manual and on the machine e WARNING READ OPERATOR S MANUAL Read the Operator s Manual s and follow all warnings and safety instructions Failure to do so can result in serious injury to the operator and or bystanders e WEAR EYE AND HEARING PROTECTION Thrown objects and loud noise can cause severe eye injury and hearing loss Wear eye protection meeting ANSI Z87 1 standards and ear protection when operating this unit e KEEP BYSTANDERS AWAY Keep all bystanders especially children and pets at least 50 feet 15 m from the operating area e THROWN OBJ ECTS CAN CAUSE SEVERE INJ URY Do not operate unit without proper attachments and guards in place e HOT SURFACE WARNING Do not touch a hot muffler cylinder or gearbox You may get burned These parts get extremely hot from operation When turned off they remain hot for a short time e CULTIVATORS ROTATING TINES CAN CAUSE SEVERE INJ URY Stop the engine and allow the tines to stop
17. e the unit will not start Wheel Adjustments To adjust the wheel height refer to OPERATING YOUR CULTIVATOR in Section 4 Carburetor Adjustments A WARNING If any adjustments are made to the engine while the engine is running e g carburetor keep clear of all moving parts Be careful of heated surfaces and muffler The idle speed adjuster of the engine is adjustable through the air filter muffler cover See Figure 22 NOTE Careless adjustments can seriously damage your unit An authorized service dealer should make carburetor adjustments Check Fuel Mixture Old and or improperly mixed fuel is usually the reason for the unit not running properly Drain and refill the tank with fresh properly mixed fuel prior to making any adjustments Refer to OPERATING YOUR CULTI VATOR in Section 4 Clean Air Filter The condition of the air filter is important to the operation of the unit A dirty air filter will restrict air flow and change the air fuel mixture This is often mistaken for an out of adjustment carburetor Check the condition of the air filter before adjusting the idle speed adjuster Refer to MAINTAINING YOUR CULTIVATOR in Section 6 Adjusting Idle Speed WARNING This unit will need to be running during idle speed adjustment Wear protective clothing and observe all safety instructions to prevent serious personal injury If after checking the fuel mixture and cleaning the air filter the engine still
18. el additives directly to the unit s fuel tank CAUTION For proper engine operation A and maximum reliability pay strict attention to the oil and fuel mixing instructions on the 2 cycle oil container Using improperly mixed fuel can severely damage the engine Thoroughly mix the proper ratio of 2 cycle engine oil with unleaded gasoline in a separate fuel can Use a 32 1 fuel oil ratio Do not mix them directly in the engine fuel tank See Figure 15 for specific gas and oil mixing ratios NOTE Two gallons 7 6 liters of unleaded gasoline mixed with one 8 oz 236 ml bottle of Arnold 2 Cycle Oil makes a 32 1 fuel oil ratio OR one gallon 3 8 liters of unleaded gasoline mixed with one 4 oz 120 ml bottle of Arnold 2 Cycle Oil makes a 32 1 fuel oil ratio ARNOLD 32 1 Tevere ENGINE OIL AcE MOTOR a Tiempos Hune MoreuR P TEMPS MELAN UNLEADED GAS ARNOLD 2 CYCLE OIL 2 US GALLONS 8 0 FL OZ 7 6 LITERS 236 ml OR 1 US GALLON 4 0 FL OZ 3 8 LITERS 120 ml MIXING RATIO 32 1 Figure 15 WARNING Gasoline is extremely flammable Ignited Vapors may explode Always stop the engine and allow it to cool before filling the fuel tank Do not smoke while filling the tank Keep sparks and open flames at a distance from the area WARNING Remove fuel cap slowly to avoid injury from fuel s
19. en SECTION 8 TROUBLE SHOOTING GUIDE Trouble Possible Cause s Corrective Action ENGINE WILL NOT START On Off Stop Control in the STOP position Empty fuel tank Primer bulb wasn t pressed enough Engine flooded Old or improperly mixed fuel Fouled spark plug Turn the On Off Stop Control to START Fill fuel tank Press primer bulb fully and slowly 5 7 times Use starting procedure with choke control in the RUN position Drain fuel tank Add fresh fuel mixture Replace or clean the spark plug ENGINE WILL NOT IDLE Air Filter is Plugged Old or improperly mixed fuel Improper carburetor adjustment Replace or clean the air filter Drain fuel tank Add fresh fuel mixture Refer to MAKING ADJ USTMENTS Section 5 ENGINE WILL NOT ACCELERATE Old or improperly mixed fuel Improper carburetor adjustment Drain fuel tank Add fresh fuel mixture Refer to MAKING ADJ USTMENTS Section 5 ENGINE LACKS POWER OR STALLS WHEN UNDER LOAD Old or improperly mixed fuel Improper carburetor adjustment Cultivator tines bound with dirt or grass Drain fuel tank Add fresh fuel mixture Refer to MAKING ADJ USTMENTS Section 5 Stop the unit switch the On Off Stop Control to STOP clean and remove any debris binding the tines 15 SECTION 9 PARTS LIST FOR MODEL 21A 1220R000 16 MODEL 21A 1220R000 i Part No Part Description e Part No Part Descr
20. equired maintenance procedures should be performed at the frequency stated in the table They should also be included as part of any seasonal tune up FREQUENCY Before Starting Engine Every 10 Hours Every 50 Hours or Seasonal WARNING To avoid serious personal A injury always turn the unit off allow it to cool and disconnect the spark plug before you clean or perform any maintenance on it Lubrication Gearbox The gearbox is pre lubricated and sealed at the factory Trouble Shooting Refer to the trouble shooting chart for more informa tion Engine IMPORTANT Never run your engine without air cleaner completely assembled Air Filter Maintenance 1 Place the choke control in the PARTIAL choke position B NOTE The choke control must be in the PARTIAL choke position B to remove the air filter muffler cover See Figure 23 2 Remove the four 4 screws securing the air filter muffler cover See Figure 23 Use a flat blade or 120 Torx bit screwdriver 3 Pull the cover from the engine Do not force 4 Remove the air filter from behind the air filter muffler cover See Figure 24 4 Wash the filter in detergent and water Rinse the filter thoroughly Squeeze out excess water Allow it to dry completely 5 Apply enough clean SAE 30 oil to lightly coat the filter See Figure 25 6 Squeeze the filter to spread and remove excess oil See Figure 25 MAINTENANCE REQUIRED Fill fuel tank with correct oil
21. equired to loosen or remove the thumb screws on the handlebar clamps to spread them to fit over the mounting brackets 7 Center the handlebar and tighten the two 2 Screw mounting bracket clamps and the four 4 handlebar clamp screws evenly until the handlebar is secure See Figures 7 and 8 Mounting Brackets Mounting Bracket Spacer Handlebar r Figure 7 U Figure 8 Throttle Cable Assembly 1 Wrap the throttle wire once around the handlebar See Figure 9 Depress the throttle trigger and locate hole for the throttle wire See Figure 10 With the throttle trigger depressed place the bar rel end of the throttle wire inside the hole of the trigger See Figure 11 Release the throttle trigger and guide the cable up into the slot of the trigger housing Push the throttle cable housing into the trigger housing until it snaps into place See Figure 12 Route the throttle cable through the clip on the right handlebar mounting bracket See Figure 13 NOTE Ensure the throttle cable is fitting into the guide at the carburetor plate on the engine If it does not the throttle will not work properly See Figure 9 Carburetor Plate Guide Throttle Cable Throttle Wire Slot Figure 11 Figure 12 Mounting Bracket Figure 13 SECTION 3 KNOW YOUR CULTIVATOR PN Throttle N Choke Control Control Primer Bulb
22. gearbox or guard operate the unit without the fuel cap securely in e To reduce fire hazard replace faulty muffler and place Loosen the fuel tank cap slowly to relieve spark arrestor keep the engine and muffler free any pressure in the tank from grass leaves excessive grease or carbon e Mix and add fuel in a clean well ventilated area build up outdoors where there are no sparks or flames e Never store the unit with fuel in the tank inside a Slowly remove the fuel cap only after stopping building where fumes may reach an open flame or engine Do not smoke while fueling or mixing fuel spark Wipe up any spilled fuel from the unit immediately e Allow the engine to cool before storing or transport e Move the unit at least 30 feet 9 1 m from the fuel ing Be sure to secure the unit while transporting ing source and site before starting the engine Do e Store the unit in a dry place either locked up or up not smoke keep sparks and open flames from the high to prevent unauthorized use or damage area while adding fuel or operating the unit Keep out of the reach of children e Stop the engine for maintenance repair to install or e Clean the tines with a hose and water Wipe the remove the tines The unit must be stopped and tines with a light machine oil to prevent rust the tines no longer turning to avoid injury e Never douse or squirt the engine with water or any e The tines become very sharp from use Always other liquid Keep handles dry
23. he installation or use of any accessory or attachment not approved by MTD for use with the product s covered by this manual will void your warranty as to any resulting dam age This warranty is limited to ninety 90 days from the date of original retail purchase for any MTD product that is used for rental or commercial purposes or any other income producing purpose HOW TO OBTAIN SERVICE Warranty service is available WITH PROOF OF PURCHASE THROUGH YOUR LOCAL AUTHORIZED SERVICE DEALER To locate the dealer in your area please check for a listing in the Yellow Pages or contact the Customer Service Department of MTD SOUTH WEST INC by calling 1 800 345 8746 or writing to 550 N 54th Street Chandler Arizona 85226 or if in Canada call 1 800 668 1238 No product returned directly to the facto ry willbe accepted unless prior written permission has been extended by the Customer Service Department of MTD SOUTHWEST INC This limited warranty does not provide coverage in the following cases A Tune ups Spark Plugs Carburetor Adjustments Filters B Wear items Starter Pulley Starter Ropes Tines C MTD does not extend any warranty for products sold or exported outside of the United States of America its possessions and territories except those sold through MTD s authorized channels of export distri bution MTD reserves the right to change or improve the design of any MTD Product without assuming any obligation to modify any
24. iption 1 182059 Air Cleaner Muffler Cover Assembly 36 182776 Starter Housing Assembly includes 2 amp 41 includes items 28 31 33 35 2 180350 Air Cleaner Filter 37 182368 Clutch Washer 3 180351 Carburetor Mounting Screw 38 182369 Clutch Rotor Assembly Assembly 39 153592 Clutch Drum Assembly 4 180226 Wavey Washer 40 180098 Clutch Cover Assembly 5 182160 Choke Lever Assembly includes 6 includes 41 6 182161 Choke Knob and Screw 41 181345 Clutch Cover Screw 7 182162 Choke Lever and Plate includes 5 42 153597 Upper Clamp Assembly 8 182062 Carburetor Assembly W Limiter 43 181937 Module Assembly Caps includes 9 amp 21 44 181580 Wire Lead 9 610675 Carburetor Gasket 45 610311 Spark Plug 10 181860 Carb Mount Screw 46 182065 Exhaust Gasket 11 181801 Primer and Hose Assembly 47 182174 Muffler Assembly includes 46 amp 48 12 182063 Carb Mount Assembly includes 10 48 182464 Muffler Mounting Bolt Assembly 13 684451 Reed Assembly 49 181622 Cylinder Assembly 14 182790 Power Shaft Assembly includes 51 amp 52 15 612115 Carburetor Mount Gasket 50 684449 Piston and Rod Assembly 16 182791 Crank Case Service Assembly 51 610674 Cylinder Gasket includes 10 14 amp 24 52 182723 Cylinder Bolt 17 612134 Rear Mounting Pad 180011 Engine Gasket Kit 18 180046 Fuel Tank Assembly 180602 O E M Carburetor Repair Kit includes 19 21 Walbro 19 181559 Fuel Cap Assembly 180090 O E M Carburetor
25. n 4 Tines The tilling tines are used to cultivate furrow and prepare your garden for seeding SECTION 4 OPERATING YOUR CULTIVATOR Oil and Gas Mixing Instructions Old and or improperly mixed fuel are the main reasons for the unit not running properly Be sure to use fresh clean unleaded fuel Follow the instructions carefully for the proper fuel oil mixture Definition of Blended Fuels Today s fuels are often a blend of gasoline and oxygenates such as ethanol methanol or MTBE ether Alcohol blended fuel absorbs water As little as 1 water in the fuel can make fuel and oil sepa rate It forms acids when stored When using alcohol blended fuel use fresh fuel less than 60 days old Using Blended Fuels If you choose to use a blended fuel or its use is unavoidable follow recommended precautions e Always use fresh fuel mix per your operator s manual e Use the fuel additive STA BIL or an equivalent e Always agitate the fuel mix before fueling the unit e Drain the tank and run the engine dry before storing the unit Using Fuel Additives The use of fuel additive such as STA BIL Gas Stabilizer or an equivalent will inhibit corrosion and minimize the formation of gum deposits Using a fuel additive can keep fuel from forming harmful deposits in the carburetor for up to six 6 months Add 0 8 oz 23 ml of fuel additive per gallon of fuel according to the instructions on the container NEVER add fu
26. nt Bracket R H 25 180320 Wheel Bracket Assembly 8 181504 Engine Mount Bracket L H 26 180944 Wheel Assembly 9 682035 Switch Assembly 27 147473 Tine Fastener Assembly 19 093293 Handle Bracket Assembly 28 182729 Tine Assembly Left Outer or Right includes 11 16 Inner 11 181811 Screw 29 182730 Tine Assembly Left Inner or Right 12 181812 Upper Handle Clamp Outer 13 181813 Middle Handle Clamp 30 182750 Gear Box Assembly 14 181814 Lower Handle Clamp 182780 Arnold 2 Cycle Oil 15 181815 Nut 16 145569 Anti Rotation Screw not shown 17 181575 Grip 19 MANUFACTURER S LIMITED WARRANTY FOR YARD MACHINES i The limited warranty set forth below is given by MTD SOUTHWEST INC MTD with respect with new merchandise purchased and used in the United States its possessions and territories MTD warrants this product against defects in material and workmanship for a period of two 2 years commencing on the date of original purchase and will at its option repair or replace free of charge any part found to be defective in material or workmanship This limited warranty shall only apply if this product has been operated and maintained in accordance with the Operators Manual furnished with the product and has not been subject to misuse abuse commercial use neglect accident improper maintenance alteration vandalism theft fire water or damage because of other peril or natural disaster Damage resulting from t
27. ould damage the cylinder 4 Install a correctly gapped spark plug in the cylin der head Tighten by turning the 5 8 inch socket clockwise until snug If using a torque wrench torque to 110 120 in elb 12 3 13 5 Nem Do not over tighten p a wh 0 020 inch 0 5 mm y m Figure 26 14 Tine Removal And Replacement All 4 tines should be replaced at the same time because they will wear evenly through normal use Work on one side at a time A injury always wear heavy gloves when handling the tines 1 Put the On Off Stop Control in the STOP O position and disconnect the spark plug wire 2 Remove the clevis pin clips and clevis pins See Figure 27 3 Remove the tines and felt cushions from the shaft 4 Clean and oil the shaft 5 The tines are stamped with the letter R or L to identified their position on each side of the gear box when facing the front of the unit 6 Replace the tines and felt cushions onto the shaft with the hubs on the tines facing each other 7 Ensure the tips on tines are aligned in the same direction with each other before reinstalling the clevis pins and pin clips See Figure 28 8 Repeat this procedure on the opposite side NOTE When installed correctly there will be an R and L tine on each side of the gearbox and the tips on the tines line up in the same direction It is important that the tines are installed correctly
28. pray Never operate the unit without the fuel cap securely in place WARNING Add fuel in a clean well ventilated area outdoors Wipe up any spilled fuel immediately Avoid creating a source of ignition for spilt fuel Do not start the engine until fuel vapors dissipate A A NOTE Dispose of the old fuel oil mix in accordance to Federal State and Local regulations Filling The Fuel Tank Fill or add fuel to the tank only when the cultivator is in a horizontal position See figure 16 an AY eatin ii EL S iy Figure 16 Starting Engine WARNING Avoid accidental starting Be A in the starting position when pulling the starter rope See Figure 19 The operator and unit must be in a stable position while starting to avoid serious personal injury WARNING Operate this unit only in a well ventilated area outdoors Carbon monoxide exhaust fumes can be lethal in a confined area 1 Mix gas with oil Fill fuel tank with fuel oil mixture See Oil and Gas Mixing Instructions 2 Put the On Off Stop Control in the START I position See Figure 17 3 Fully press and release primer bulb slowly 5 to 7 times Fuel should be visible in the bulb If fuel is not visible press three 3 more times or until it is See Figure 18 4 Place the choke lever in the FULL choke position A H4 See Figure 18 5 With the unit on the ground squeeze the throttle control and pull starter rope briskly See Figure 18
29. re the square shoulder of the bolts are through the slotted holes in the wheel bracket Tighten the wing nuts See Figure 3 NOTE Do not over tighten the wing nuts Loosening the wing nuts allow the wheel height to be adjusted Wheel Pat Bracket Assembly Tine Guard Wing Nut amp Lock Washer Installing The Handlebar 1 Position the mounting brackets by rotating them until the foot on the bracket rests against the engine See Figure 4 2 Place the handlebar between the bottom and middle clamp pieces See Figure 5 3 While holding the three pieces together position the handlebar underneath the shaft tube and align with the top clamp NOTE The holes in the clamp assembly will line up only when assembled correctly 4 One ata time hold a hex nut in the bottom clamp recess with a finger and install a screw through the clamp assembly Start screw with a large Phillips screwdriver do the same with the other three 3 nuts and screws Do not tighten until you make the handle adjustment 5 Position the two 2 handlebar clamps with one on each side near the top of the handlebar Swing the handlebar up until it sets to the outside of the two mounting brackets on the engine See Figure 6 NOTE Positioning the handlebar onto the mounting brackets may require slightly spreading the handlebar Handlebar 6 Slide the two 2 handlebar clamps down over the mounting brackets See Figure 7 NOTE It may be r
30. risk of injury when operating this unit Do not wear loose clothing or jewelry Wear eye and ear hearing protection Wear heavy long pants boots and gloves Do not wear short pants sandals or go barefoot 1 Move the cultivator to the work area prior to starting the engine The cultivator may be transported by pushing it on wheels or carrying it by the shaft tube grip WARNING To prevent serious personal injury never pick up or carry the unit while the engine is running 2 Start the unit per Starting Instructions 3 With the engine running and the tines off the ground depress the throttle control to increase the engine speed 4 Holding both of the handlebar grips firmly slowly lower the cultivator until the tines make contact with the ground See Figure 20 5 As Cultivating action begins pull back on the cultivator so that the tines can penetrate the ground 6 Once the ground has been broken continue ata moderate pace until you are familiar with the controls and the handling of the cultivator 7 Pull the cultivator backwards to improve the depth of cultivation and reduce your effort 8 Ifthe tines are digging too deep or not deep enough adjust the tines per Adjusting Tine Depth vh hs ha i Figure 20 Adjusting Tine Depth Tine adjustment will vary depending on the type of soil being cultivated and how it will be used Generally adjusting the tines to break the soil 4 to 6 inches is recommended
31. rty and or to others and their property arising out of the use or misuse or inability to use the product This limited warranty shall not extend to anyone other than the original purchaser original lessee or the person for whom it was purchased as a gift How State Law Relates to this Warranty This warranty gives you specific legal rights and you may also have other rights which vary from state to state To locate your nearest service dealer dial 1 800 345 8746 in the United States or 1 800 668 1238 in Canada MTD Southwest Inc 550 N 54th Street Chandler AZ 85226 U S A
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