MTD Front Tine, Gas Tiller Manual L0401101
User Manual: MTD MTD Front Tine, Gas Tiller Manual MTD Front Tine, Gas Tiller Owner's Manual, MTD Front Tine, Gas Tiller installation guides
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OPERATOR'S MANUAL Front Tine Tillers Models 340 Thru 390 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY 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 arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019. MTD LLC, P.O. BOX 361131 CLEVELAND, PRINTED IN U.S.A. OHIO 44136-0019 FORM NO. 770-10135B (11/01) TABLEOFCONTENTS Content Page Important Safe Operation Practices ................................................................... 3 Assembling Your Tiller ....................................................................................... 5 Know Your Tiller ................................................................................................. 7 Operating Your Tiller .......................................................................................... 8 Making Adjustments .......................................................................................... 11 Maintaining Your Tiller ....................................................................................... 11 Troubleshooting 14 ................................................................................................. Parts List ............................................................................................................ 16 FINDINGMODELNUMBER This Operator's Manual is an important part of your new tiller. 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 equipment and copy the information from it in 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 down at the frame on the right side. 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. Copy the model number here: Copy the serial number here: ENGINEINFORMATION The engine manufacturer is responsible for all engine-related issues with regards to performance, powerrating, specifications, warranty and service. Please refer to the engine manufacturer's Owner's/Operator's Manual packed separately with your unit for more information. CONTACTING CUSTOMER SUPPORT If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit, please call Customer Support Department. Call 1- (330) 220-4MTD (4683) or 1- (800)-800-7310 to reach a Customer Support representative. Please have 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. SECTION1: IMPORTANT SAFEOPERATION PRACTICES WARNING: This symbol points out important safety instructions 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 this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol-- heed its warning. WARNING: 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. DANGER: This machine 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 injury. This machine is capable of amputating hands and feet. Failure to observe the following safety instructions could result in serious injury or death. Training 1. 2. 3. 4. 5. Read, understand, and follow all instructionson the machine and in the manual(s) before attempting to assemble and operate. Keep this manual in a safe place for future and regular reference and for ordering replacement parts. Be familiar with all controls and their proper operation. Know how to stop the machine and disengage them quickly. Never allow children under 14 years old to operate this machine. Children 14 years old and over should read and understand the operation instructions and safety rules in this manual and should be trained and supervised by a parent. Never allow adults to operate this machine without proper instruction. Keep bystanders, helpers, pets and children at least 75 feet from the machine while it is in operation. Stop machine if anyone enters the area. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Use only an approved gasoline container. Extinguish all cigarettes, cigars, pipes and other sources of ignition. Never fuel machine indoors. Never remove gas cap or add fuel while the engine is hot or running. Allow engine to cool at least two minutes before refueling. Never over fill fuel tank. Fill tank to no more than ½ inch below bottom of filler neck to provide space for fuel expansion. Replace gasoline cap and tighten securely. If gasoline is spilled, wipe it off the engine and equipment. Move machine to another area. Wait 5 minutes before starting the engine. Never store the machine or fuel container inside near an open flame, spark or pilot light (e.g. furnace, water or space heater, clothes dryer etc.). Allow machine to cool 5 minutes before stodng. Preparation Operation 1. 1. 2. 3. 4. 5. 6. Thoroughly inspect the area where the equipment is to be used. Remove all stones, sticks, wire, and other foreign objects which could be tripped over and cause personal injury. Wear sturdy, rough-soled work shoes and close fitting slacks and shirt. Loose fitting clothes or jewelry can be caught in movable parts. Never operate this machine in bare feet or sandals. Disengage clutch levers and shift (if provided) into neutral ("N") before starting the engine. Never leave this machine unattended with the engine running. Never attempt to make any adjustments while engine is running, except where specifically recommended in the operator's manual. To avoid personal injuryor property damage use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite. Wash your skin and change clothes immediately. 2. 3. 4. 5. 6. 7. 8. Do not put hands or feet near rotating parts. Contact with the rotating parts can amputate hands and feet. Do not operate machine while under the influence of alcohol or drugs. Never operate this machine without good visibility or light. Always be sure of your footing and keep a firm hold on the handles. Keep bystanders, helpers, pets, and children at least 75 feet from the machine while it is in operation. Stop the machine if anyone enters the area. Be careful when tilling in hard ground. The tines may catch in the ground and propel the tiller forward. If this occurs, let go of the handle bars and do not restrain the machine. Exercise extreme caution when operating on or crossing gravel surfaces. Stay alert for hidden hazards or traffic. Do not carry passengers. Never operate the machine at high transport speeds on hard or slippery surfaces. Exercise caution to avoid slipping or falling. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. Lookdownandbehindandusecarewhenin reverse orpullingmachine towards you. Starttheengine according totheinstructions found inthismanual andkeepfeetwellawayfromthe tinesatalltimes. Afterstriking a foreignobject,stoptheengine, disconnect thesparkplugwireandgroundagainst theengine. Thoroughly inspect themachine forany damage. Repairthedamage beforestartingand operating. Disengage allclutchleversandstopenginebefore youleavetheoperating position (behind the handles). Waituntilthetinescometoa complete stopbeforeunclogging thetines,making any adjustments, orinspections. Neverrunanengineindoors orinapoorly ventilated area.Engine exhaust contains carbon monoxide, anodorless anddeadlygas. Mufflerandenginebecome hotandcancausea bum.Donottouch. Usecautionwhentillingnearfences,buildings and underground utilities. Rotating tinescancause property damage orpersonal injury. Donotoverload machine capacity byattempting to tillsoiltodeepattofastofa rate. Ifthemachine shouldstartmaking anunusual noise orvibration, stoptheengine, disconnect thespark plugwireandgrounditagainst theengine.Inspect thoroughly fordamage. Repairanydamage before starting andoperating. Keepallshields, guardsandsafetydevices inplace andoperating properly. Neverpickuporcarrymachine whiletheengineis running. Useonlyattachments andaccessories approved by themanufacturer. Failuretodoso,canresultin personal injury. If situations occurwhicharenotcovered inthis manual, usecareandgoodjudgment. Contact your dealerortelephone 1-800-800-7310 forassistance andthenameofyournearest servicing dealer. Maintenance& Storage 1. 2. 3. Never tamper with safety devices. Check their proper operation regularly. Check bolts and screws for proper tightness at frequent intervals to keep the machine in safe working condition. Also, visually inspect machine for any damage. Before cleaning, repairing, or inspecting, stop the engine and make certain the tines and all moving parts have stopped. Disconnect the spark plug wire and ground it against the engine to prevent unintended starting. 4. 5. 6. 7. 8. 9. 10. Do not change the engine governor settings or over-speed the engine. The governor controls the maximum safe operating speed of the engine. Maintain or replace safety and instruction labels, as necessary. Follow this manual for safe loading, unloading, transporting, and storage of this machine. Never store the machine or fuel container inside where there is an open flame, spark or pilot light such as a water heater, furnace, clothes dryer etc. Always refer to the operator's manual for proper instructions on off-season storage. If the fuel tank has to be drained, do this outdoors. Observe proper disposal laws and regulations for gas, oil, etc. to protect the environment. YourResponsibility 1. 2. 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. The safety label on the tiller is reproduced below for your review. To ensure safe operation of the tiller, follow the instructions on all labels closely. TO AVOID SERIOUS INJURY READTHEOPERATOR'S MANUAL, KNOW LOCATIONAN,8FUNCTIONS OFALL CONTROLS, KEEPALLSAFETYDEVICESAND SHELDSiN PLACEANDWORKING, NEVERALLOWCHILDRENOR UNINSTRtICTEDADULTSTO OPERATETILLER. SHUTOFF ENGINEREFORE UNCLOGGIt{G TINESOR UAKING REPN£& KEF_BYSTANDERS AWAYFROM MACHINE, KEEP AWAY FROM ROTATING PARTS. USE EXTREMECAUTIONWHEN REVERSINGORPULLIRGTHE MACHINETOWARDSYOU, SECTION2: ASSEMBLING YOURTILLER NOTE: This operator's guide covers three different model tillers. Models 340 thru 345 have forward tine AttachingHandleAssembly Remove the hex bolt and cupped washer from the top right side of the frame halves. Hold the cable guide bracket on the left side of the frame as it will fall when the bolt is removed. See Figure 2. drive only. Model 390 has both forward and reverse tine drive. Follow only the instructions which pertain to your model tiller. See the model plate on your tiller for the correct model number. NOTE: References to right or left side of the tiller are determined from behind the unit in the operating position. Hand Knob Handle Brace Spark Plu! Hex Lock Nut \ RemovingUnitFromCarton Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton. Hex Bolt & Cupped Washer Remove all loose parts included with unit (i.e., operator's manual, etc.) Cut corners and lay carton down flat. Remove packing material. Roll or slide unit out of carton. Check carton Frame Half Figure 2 thoroughly for loose parts. Extend control cable(s) to the rear of the tiller and lay them on the floor. Be careful not to bend or kink control cable(s). Insert the handle assembly between the two frame halves. Insert the hex bolt just removed through the frame halves, handle assembly, and into the cable guide bracket (notch in cable guide bracket goes over the flange on the frame). Tighten securely. Loosen the hand knob which secures the handle brace to the handle assembly. (Standard Briggs & Stratton & Tecumseh Engines). Remove handle crank from the handle brace. (Briggs & Stratton Intek Only). Remove the hex lock nut from on top of the engine, just to the left of the spark plug. Attach the curved end of the handle brace to the top of the engine, using hex lock nut just removed. Tighten securely. See Figure 3.(Standard Briggs & Stratton & Tecumseh engines). Insert handle crank through the welded bracket on the handle and into the threaded u-nut on the end of the handle brace. (Briggs & Stratton Intek only). Select one of the three handle height positions (three notches in welded bracket), and tighten the hand knob to secure the handle in desired position. Make certain carriage bolt is seated securely into one of the three positions provided. IMPORTANT: This unit is shipped without gasoline or oil in the engine. Be certain to service engine with gasoline and oil as instructed in the separate engine manual before operating your machine. BeforeAssembly and ground Disconnect it against the prevent WARNING: theengine spark toplug wire unintended starting, AttachingTailpieceAndDepthStake Remove the two self-tapping screws on the frame. Slide the tailpiece into the frame with the lower hole in the tailpiece toward the front. Secure with screws just removed. See Figure 1. Figure 1 5 Loosen the hex nut on the threaded rod near the Handle Brace Welded Bracket Fuel Shut-Off Valve end of the cable, and move it up the rod as far as it will go. Unthread the rod from the rest of the cable. Hook the "Z" end of the rod into the bracket underneath the handle assembly from the right hand side. See Figure 4. Thread the rod back into the cable until the cable is Crank straight. Do not tighten it enough to put any tension on the spring. Thread the hex nut down against the end of cable. Use a pair of pliers and a wrench to lock the nut against the rod. Cupped Washer Half NOTE: Do not overtighten control cable. Too much tension may cause it to break when engaged. Briggs and Stratton Intek Engine Hex "Z" End Hooked In Bracket Hex Nut Models 340 thru 345 Figure 4 Briggs and Stratton Standard Engine Spark Handle Brace ReverseCable (Model3900nly) The reverse clutch cable is the cable which is attached closer to the front of the tiller. Attach the end of the reverse cable to the reverse tine drive clutch lever, above the handle assembly, in the same manner as ou attached the forward cable. See Figure 5. Z End Hooked Reverse Tine Threaded Rod _ Lever Forward Tine Engagement Handle Hex Lock Nut Tecumseh Engine Figure 3 AttachingClutchControlCable(s) d Hooked in Bracket Forward Cable Attach the end of the forward cable to the bracket underneath the handle assembly as follows. (On model 390, the forward clutch cable is the cable which is attached closer to the rear of the tiller). Threaded Rod Figure 5 FinalClutchAdjustment To check the clutch cable adjustment, proceed as follows. Disconnect the spark plug wire and move it away from the spark plug to prevent accidental starting. Engage and release the tine engagement handle, then the reverse tine engagement lever (model 390 only). If an excessive noise is heard when releasing either the tine drive clutch handle or lever, the cable may be too loose. Adjust either the forward or reverse clutch cable by loosening the hex nut, threading the rod into the cable one or two turns, then retightening the nut. With tine engagement handle in neutral (released) as shown in Figure 6, pull the starter rope several times. The tines should not turn. If they turn forward, loosen the hex nut on the forward cable (underneath the handle assembly). If they turn toward the rear (model 390 only), loosen the hex nut on the reverse cable (above the handle assembly). Unthread the rod from the cable 2 or 3 turns. Retighten the hex nut, and check again for correct adjustment. See Figure 6. Forward Tine Engagement Leve Engagement Lever Models 340 thru 345 Model 390 Figure 6 SECTION3: KNOWYOURTILLER ,_ all instructions and warnings on the WARNING: Read, understand, and follow machine and in this manual before Run operating. Throttle Control The throttle control lever is located on the engine. It controls the engine speed and stops the engine. See Figure 7. / Choke Lever (Model340/390) The choke lever is located above the throttle control. It is used to enrich the fuel mixture when starting a cold engine. See Figure 7. Briggs and Stratton Intek Choke Primer Button(Model 345) The primer button is located behind the air cleaner. It is used to enrich the fuel mixture in the carburetor when starting a cold engine. See Figure 7 Forward Tine EngagementHandle The forward tine engagement handle is located beneath the tiller handle. Squeezing the handle up against the tiller handle engages the tines. Release the handle to stop the tines. See Figure 8 ThrottleControl Briggs and Stratton Standard ReverseTine Drive Clutch Lever (Model390 0nly) The reverse tine drive clutch lever is located on top of the handle panel. Pull the lever to the rear to move the tines in reverse. Release the lever to stop the reverse tine drive. See Figure 8 NOTE: Never engage both the forward and reverse tine drives at the same time. Engaging both forward and reverse tine drives at the same time could damage the belt drives and cause the engine to stall. Air Cleaner Primer _Throttle Control Tecumseh Figure 7 Depth Stake TinesAnd EndCaps The tilling tines and end caps (are used to cultivate, furrow, and preapre yoru garden for seeding. The end caps (Model 390 only) are used to avoid tilled soil from overflowing onto unwanted areas. The depth stake controls the tilling depth. Refer to OPERATING YOUR TILLER in Section 4. Engagement Handle Handle _ Forward Tine Engagement Handle Depth Stake Tin_ End Cap Model 390 Shown Figure 8 SECTION4: OPERATING YOURTILLER Gasand0il Fill up Service the engine with gasoline and oil as instructed in the separate engine manual packed with your tiller. Read instructions carefully. StartingEngine front of theBe tiller engine in is WARNING: sure while no onethe is standing running or being started. Models 340, 342, & 390 Attach spark plug wire to spark plug. Make certain the metal loop on the end of the spark plug wire (inside the boot) is fastened securely over the metal tip on the spark plug. Make certain all controls are in the neutral position (released). See Figure 6. Place the throttle control lever in FAST position. See Figure 7. Move choke lever to CHOKE position. (A warm engine requires little or no choke.) Grasp starter handle and pull rope out slowly until engine reaches start of compression cycle (rope will pull slightly harder at this point). Let the rope rewind slowly. Pull rope with a rapid, continuous, full arm stroke. Keep a firm grip on starter handle. Let rope rewind slowly. Do not let starter handle snap back against starter. Repeat preceding instructions until engine starts. When engine starts, move choke lever on engine halfway between CHOKE and RUN. Move throttle control to IDLE position for a few minutes warm-up. Move choke lever to RUN position as engine warms up. Models 343 & 345 Attach spark plug wire to spark plug. Make certain the metal loop on the end of the spark plug wire (inside the boot) is fastened securely over the metal tip on the spark plug. Make certain all controls are in the neutral position (released). See Figure 8. Place the engine speed control in the START position. Push primer two (2)or three (3)times. Wait about two (2) seconds between each push. NOTE: Primer may be needed to restart a warm engine after a short shutdown. Stand at side of tiller. Grasp the starter handle and pull out slowly, until it pulls slightly harder. Let rope rewind slowly. Pull rope with a rapid full arm stroke. Do not allow handle to snap back. Allow it to rewind slowly while keeping a firm hold on the starter handle. RemovingEndCaps(Model 390only) The end cap, which are used to avoid tilled soil from overflowing onto unwanted areas, are removable from the outer axle. Remove the hairpin clip and clevis pin that is securing each end cap and slide end cap effthe axle. See Figure 10. NOTE: If engine fails to start after three (3) pulls, push primer two (2) times and pull starter rope again. Repeat previous steps until engine starts. Refer to engine manual for additional engine information. ToStopEngine Move throttle control lever to STOP or OFF position. Disconnect spark plug wire from spark plug and ground against the engine to prevent accidental starting while equipment is unattended. UsingYourTiller Your tiller is a precision built machine designed for seed bed preparation, cultivating, furrowing and mulching. It is engineered to minimize the hardest work in the vegetable or flower garden, to till the soil for planting and cultivating, and to perform many other useful labor saving tasks in the garden. With the proper amount of care and maintenance, this machine will provide the owner with many years of service. WheelPosition The tiller is shipped with the wheels adjusted such that the unit sits level. While tilling, as the tines enter the ground and the front of the tiller lowers, the wheels must be raised to level the unit, which is essential for proper engine operation. This adjustment is made by removing the clevis pin and hairpin clip from wheel yoke, raising the wheels to the desired height, and replacing the clevis pin and hairpin clip. See Figure 9. Clevis Pin Hairpin Figure 10 Controlling SpeedAndTillingDepth WheelYokeAdjustment Place wheel yoke so that the wheels are forward (nearest point between wheels and tines) for shallow tilling, cultivating and transport. The forward speed will increase. Turn yoke around (farthest point between wheels and tines) for deep tilling. Forward speed will decrease. See Figure 11. Depth Stake Position Wheel Yoke For Shallow Tilling Wheel Yoke For Deep Tilling Figure 11 DepthStake Adjustment The depth stake acts as a brake for the tiller and controls the depth and speed at which the machine wilt operate. Remove the clevis pin and hairpin clip to raise or lower depth stake. See Figure 9. & Clevis Pins Figure 9 Handle Pressure Transport Position Further control of tilling depth and travel speed can be obtained by variation of pressure on the handles. A downward pressure on the handles will reduce the working depth and increase the forward speed. An upward pressure on the handles will increase the working depth and reduce the forward speed. The type of soil and working conditions will determine the actual setting of the depth stake and the handle pressure required. _epth Stake//'/ Shallow Tilling ThrottleControl Wheel Settin Deep Tilling The throttle control lever adjusts the engine speed and stops the engine. With the throttle control lever pushed completely forward, the carburetor is in START position. Pulling the throttle control back slightly adjusts the engine speed to FAST. Pulling the throttle back further reduces the engine speed to SLOW. Pull the throttle completely back to stop the engine. Use maximum engine speed for deep tilling. Move the throttle control to SLOW when transporting the tiller. Deep Tilling Figure 12 By increasing the depth of the depth stake, the forward speed of the machine is reduced and the working depth is increased. When the depth stake is raised, the working depth of the machine is reduced and the forward speed is increased. The working depth of the machine may be predetermined by setting the depth stake and wheels so that the wheels are about four inches from the ground when the tines and depth stake are resting on the ground. This setting will permit a working depth of about four inches. When presetting the working depth, the handles should be adjusted so the hand grips are a little above waist. The tiller will be lower when the tines and depth stake penetrate the round. See Figure 12. TransportingThe Tiller To transport the tiller to or from the garden, pivot the depth stake forward, out of the way. See Figure 12. With the throttle control in SLOW position, the unit will walk freely on top of the lawn. If the operator does not allow the tiller to move freely, the unit will start to till the surface. Cultivating For cultivating, a two to three inch depth is desirable. Setting the wheels and depth stake so that the wheels are about two inches above the ground while the tiller is resting on the tines and depth stake wilt allow the machine to work at cultivating depth. The throttle should be set to control forward movement to a slow walking speed. With the outer tines installed, the working width of the machine is 22 or 24 inches. For cultivation, this may be reduced to 13 inches by removing the outer tines. Refer to the Adjustment Section. When laying out plant rows, be sure to allow enough width to permit cultivation between the rows. In growing corn or similar crops, check-row planting will permit cross cultivation and practically eliminate hand hoeing. See Figure 14. The tiller has many uses other than tilling and cultivating a garden. One of these is the preparation of lawn area for seeding. The tiller will prepare a deep seed bed which will be free of hard untilled spots, allowing a better stand of grass to grow. The tiller is very useful for loosening hard soil for excavation with a shovel. No tedious handwork will be necessary. Your tiller may be used for mixing compost in the pile, or for mixing it with the soil in your garden. This should be done after the soil has been broken to the full working depth. The compost should be worked in to a depth of six to seven inches. This may be done by working the length of the garden and then by making separate Figure 13 When tilling, leave approximately 8 inches of untilled soil between the first and second tilling paths, then make the third path between the first and second. In some soils, the desired depth is obtained the first time over the garden. In other soils, the desired depth is obtained by going over the garden two or three times. In the latter case, the depth stake should be lowered before each succeeding pass over the garden. Passes should be made across the length and width of the garden alternately. Rocks which are turned up should be removed from the garden area. See Figure 13. 10 passesacrossitswidth.Theadditionofdecayed organicmatterwiltsubstantially increasethefertilityof yourgarden.Forproperdecayingaction,fertilizer shouldbeappliedandworkedinwiththemulch materials. Breaking upleavesandstrawandmixingit withseveralinchesofsoilcausesthesoiltohold moisture longerandallowsproperaerationoftheplant rootsystem.Thisalsoretardsthegrowthofweeds. 20 O _r ,.,r g- _lA, r Figure 14 SECTION5: MAKINGADJUSTMENTS and ground Disconnect it against the the spark engine before WARNING: plug wire performing any adjustments. EngineAdjustment Refer to the separate engine manual for engine adjustment instructions. 22" WheelAdjustments To adjust the wheel yoke and wheel position, refer to the Operating Section. ClutchControlAdjustments To adjust the clutch controls, refer to the Final Adjustment section of assembly instructions. 24" _----I DepthStakeAdjustment To adjust the depth stake, refer to the Operating Section. TineWidthAdjustment The tilling width of the unit is 22 inches. Tilling width can be increased to 24 inches by removing the clevis pins and hairpin clips, sliding the outer tines out one inch, and securing in this position with the clevis pins and hairpin clips. For cultivation, reduce the tine width to 13 inches by removing the outer tines completely. See Figure 15. I_____13,_______ I Figure 15 SECTION6: MAINTAINING YOURTILLER maintenance instructions. and ground it against the engine before WARNING: Disconnect the spark plug wire performing any repairs or maintenance. Maintain engine oil as instructed in the separate engine manual packed with your unit. Read and follow instructions carefully. Engine Service air cleaner every ten hours under normal conditions. Clean every hour under extremely dusty Refer to the separate engine manual for engine 11 conditions. Poorengineperformance andflooding usuallyindicates thattheaircleanershouldbe serviced. Toservicetheaircleaner,refertothe separateenginemanualpackedwithyourunit. IMPORTANT: Neverrunyourenginewithoutaircleaner completely assembled. Thesparkplugshouldbecleanedandthegapreset every25hoursofengineoperation. Sparkplug replacement isrecommended atthestartofeachtiller season;checkenginemanualforcorrectplugtypeand gapspecification. Cleantheengineregularly withaclothorbrush.Keep thecoolingsystem(blowerhousingarea)cleanto permitproperaircirculation whichis essential toengine performance andlife.Becertaintoremovealldirtand combustible debrisfrommufflerarea. Hex Washer Lock Nut & Flat Washer Belt Cover Figure 16 Lift the belt off the transmission pulley. Remove the hex nut which secures the reverse idler pulley to the idler bracket. Slide idler pulley out and remove the belt. See Figure 17. Lubrication Reverse Idler Forward Belt Pivot Points Remove the belt cover and lubricate all moving parts and pivot points at least once a season using SAE 30 engine oil. Chain Drive The chain case is pre-lubricated and sealed at the factory. CleaningTineArea Clean the underside of the tine shield after each use. The dirt washes off the tines easier if rinsed off Engine Pulley immediately instead of after it dries. Always towel dry the tiller afterwards and apply a light coat of oil or silicone to prevent rusting or water damage. Model 390 Shown Transmission Pulley Figure 17 Reassemble the new belt, following instructions in reverse order. Make certain the reverse drive belt is assembled with the wide side of the belt against the transmission and engine pulleys. Be certain to adjust the clutch control as instructed in the final clutch adjustment section of assembly instructions. IMPORTANT: Never use a "pressure washer" to clean your tiller. Water can penetrate tight areas of the tiller and its chain case and cause serious damage to the unit. BeltReplacement Your tiller has been engineered with belts made of special material (Kevlar Tensile). They should not be replaced with an off-the-shelf belt. If belt replacement is required, order belt or belts by part number from your nearest authorized service dealer. See parts list. Forward Drive Belt Models 340 thru 345: Remove the belt cover by following steps 1 thru 3 of the previous section. Model 390: Remove the reverse drive belt as instructed in the previous section. Remove the belt keeper from the idler pulley by removing the idler pulley nut. Lift belt off the idler pulley and transmission pulley. See Figure 18. Using a 9/16" wrench, remove bolt from engine pulley. Push reverse idler pulley bracket forward, and remove engine pulley and belt. See Figure 18. Reassemble the new belt, following instructions in reverse order. Make certain the forward drive belt is ReverseDrive Belt (Model390 0nly) Disconnect and ground the spark plug wire against the engine. Remove the belt cover from the left side of the tiller as follows. Remove two self-tapping screws and flat washers from the front of belt cover. See Figure 16. Remove the hex stop nut and flat washer from the side of the belt cover. Remove belt cover. 12 assembled with the wide side of the belt away from the transmission and engine pulleys. Reverse Idler ey Off-Season Storage If the tiller will not be used for a period longer than 30 days, the following steps should be taken to prepare the tiller for storage. Transmission Pulley Clean the exterior of engine and the entire tiller thoroughly. Lubricate the tiller as described in the lubrication instructions. We do not recommend the use of pressure washers to clean your unit. They may cause damage to electric components, spindles, pulleys, bearings or the engine. The use of pressure washers will result in shortened life and reduce Pulley Forward Belt serviceability. Refer to the engine manual for correct engine storage instructions. Wipe tines with oiled rag to prevent rust. Store tiller in a clean, dry area. Do not store next to corrosive materials, such as fertilizer. Idler Pulley Nut Figure 18 NOTE: When storing any type of power equipment in an unventilated or metal storage shed, care should be taken to rustproof the equipment. Using a light oil or silicone, coat the equipment and especially any springs, bearings, and cables. Be certain to adjust the clutch control as instructed in the final clutch adjustment section of assembly instructions. 13 SECTION7: TROUBLESHOOTING GUIDE Trouble Possible Engine fails to start Fuel tank empty, or stale fuel. Engine runs erratic Engine overheats Tines do not engage Cause(s) Throttle control lever not in correct starting position (if so equipped). Blocked fuel line. Dirty aircleaner. Choke not in ON position. Spark plug wire disconnected. Faulty spark plug. Engine flooded. Unit running on CHOKE. Spark plug wire loose. Blocked fuel line or stale fuel. Vent in gas cap plugged. Water or dirt in fuel system. Dirty air cleaner. Carburetor out of adjustment. Engine oil level low. Dirty air cleaner. Air flow restricted. Carburetor not adjusted properly. Foreign object lodged in tines. Tine clevis pin(s) missing. Pulley and idler not in correct adjustment. Control cable not adjusted properly. Belt worn and/or stretched. Corrective Action Fill tank with clean, fresh gasoline. Fuel will not last over thirty days unless a fuel stabilizer is used. Move throttle lever to start position. Clean fuel line. Refer to the engine manual packed with your unit. Move switch to ON position. Connect wire to spark plug. Clean, adjust gap or replace. Refer to the engine manual packed with your unit. Move choke lever to OFF position. Connect and tighten spark plug wire. Clean fuel line; fill tank with clean, fresh gasoline. Fuel will not last over thirty days unless a fuel stabilizer is used. Clear vent. Drain fuel tank. Refill with fresh fuel. Refer to the engine manual packed with your unit. Refer to the engine manual packed with your unit. Fill crankcase with proper oil. Refer to the engine manual packed with your unit. Refer to the engine manual packed with your unit. Adjust carburetor as instructed in separate engine manual. Dislodge foreign object. Replace tine clevis pin(s). Take unit to authorized service dealer. Adjust control cable (see assembly instructions). Replace belt. 14 Notes 15 Model340 Thru345 3 I % / / 7 / .8 - / / 10 / Standard BrJggs & Stratton Tecumseh Eng 4 4\ 46 17 44 _21 / 18 / l / / 3\ 32. %, 38 3_ 42 / / / 3 / 16 Model340 Thru345 Ref. No. Part No. Part Description Ref. No. 26, 27, 711-1036 736-0119 Part No. Part Description 1, 712-0442 2, 736-3020 Acorn Lock Nut 1/4-29 Flat Washer .271" ],D. x ,630" O,D, 3, 731-1599 Handle Cover 28, 710-3008 Spec, Hex Nut L-Wash, 5/16" I.D, Hex Bolt 5/16-18 Gr. 5 4, 712-0287 Hex Nut 1/4-20 Gr.2 29, 786-0129 Cable Guide Bracket 5, 720-0274 Handle Grip 30, 710-0604 Hex Wash Screw 5/16-18 x ,62" 6, 686-0083 Clutch Handle Assembly 31, 710-0602 7, 720-0269 Clutch Grip 32, 738-0934 Hex Wash, Hd, TT-Tap Scr. Shdl, Bolt 5/16-18 8, 710-0641 9, 731-1645A 10, 736-0140 Hex Bolt 1/4-20 x 2.25" Lg, Gr,5 Clutch Handle Holder Flat Washer .385" ],D. x ,62" O,D. 33, 34, 35, 786-0138A 786-0139A 736-0171 11, 649-0039 Handle Assembly Comp. 1" 36, 712-0240 Frame (L,H,) Lock Washer 7/16 Jam Nut 7/16-20 Gr. 2 649-0022B Handle Assembly Comp. tt 37, 710-0176 Hex Bolt 5/16-18 x 2,75" Lg, 12, 647-0042 Adjustment Crank t 38, 712-0429 13, 726-0211 U Nut 5/16-18 t 39, 711-0415 Hex Nyloc Nut 5/16-18 Thd, Clevis Pin 14, 749-1101 Handle Brace 1" 40, 714-0149B Cotter Pin 15, 736-0921 Lock Washer 1/2 t 41, 686-0081A Wheel Hanger Brkt, Assy 16, 710-3194 Hex Bolt 1/2-20 Gr, t 42, 734-1566 17, 786-0005 714-0149B 43, 44, 738-0929 750-0890 Wheel Ass'y 8" x 1.75" Shoulder Screw .496 x 1.445 18, Depth Bar Cotter Pin 19, 712-3004A Hex Flange L-Nut 5/16-18 45 712-3004A 20, 786-0003 Tail Piece Bracket (L,H,) 46 720-0195 21, 786-0004 47 711-0415 749-0915A 749-1082 Engine Tube Brace (Std, B&S) 22, Tail Piece Bracket (R,H,) Clevis Pin 23, 710-0805 Hex Bolt 5/16-18 x 1.5" Lg, 48 710-1236 Carr, Bolt 5/16-18 x 1 tt 24, 710-0189 736-0242 Hex Bolt 5/16-18 x 3" Lg. Wash. Bell, ,340" I,D, x .872" O,D, 49 50 736-0242 786-0159 Bell. Wash, ,34" I,D, 1"1" 25, 1"Briggs & Stratton Intek Engine t¢ Standard Briggs & Stratton and Tec. Engine 17 Frame (R,H,) Spacer Hex Flange L-Nut 5/16-18 Thd, tt Hand Knob tt Engine Tube Brace (Tec,) Engine Brkt, (Std B&S) Model340 Thru345 41 13 28. 12 29 \ \ 31 / 15 27 \ \ 26 18 Model340 Thru345 Ref. No. Part No. Ref. No. Part Description Part No. Part Description 22, 746-0918 Forward Clutch Cable 23, 24, 786-0653 Tine Shield Bracket 710-0599 Hex L-Stop nut 1/4-28 Fiat Wash. ,266" I,D, x .625" O,D, Hex Washer Screw 1/4-20 x .5" 736-0171 L-Wash, 7/16" I,D, 711-0920 Belt Cover Bolt 25, 26, 712-6246 Hex Nut 7/16-20 Thd, Hex Washer Screw 3/8-16 x 1.25" Hex Hd. Scr. 3/8-16 x 1.25" Lg, Fl-ldler 2.12" O,D, 27, 786-0145A 28, 786-0639B Engine Plate Bracket Cover Idler Belt Keeper Idler Bracket Hex Cent, Jam Nut 3/8-16 Thd. 29, 736-6119 Lock Washer 5/16 30, 716-0167 Hex Bolt 5/16-24 x ,5" 31, 756-0971 Inner Engine Pulley Half 32, 756-0972 710-0599 Belt Cover Hex Washer Screw 1/4-20 x .5" 33, 736-0268 Outer Engine Pulley Half Flat Washer ,385 ID x 1,00D 13, 786-0035A Tine Shield 34, 736-6169 Lock Washer 3/8 14, 710-3008 Hex Hd. Cap Scr, 5/16-18 x ,75" Lg 35, 716-0191 15, 712-3004A Hex Flange Top L-Nut 5/16-18 36, 736-0112 Hex Bolt 3/8-24 x 1,25" Bell-Wash, ,525" I,D, x 1,5" O,D, 16, 686-0091 712-3629 Hex Jam Nut 1/2-20 Thd. (Gr, 5) 714-0149B Chain Case Assembly Complete Internal Cotter Pin 37, 18, 38, 736-0312 Retainer Washer Bearing 19, 711-0415 Clevis Pin 756-0686 FI-Pulley 6" Dia, 20, 642-0005 Outer Tine Assembly L.H. 39, 40, 754-0428 V-Belt (Forward) 642-0004 Outer Tine Assembly R.H. 41, 756-6892 Spacer ,64" Dia, x 2,4" Lg, 642-0003 Inner Tine Assembly L,H, 42, 748-6356 Pulley Mounting Adapter 642-0002 Inner Tine Assembly R,H, 1, 712-0392 2, 736-3020 3, 4, 5, 712-3004A Hex Flange Top L-Nut 5/16-18 6, 710-0723 7, 756-0313 8, 786-0149 9, 786-0144 10, 712-0266 11, 786-0056 12, 21, 19 716-0662A Model390 10 / Standard Briggs & Stratton Tecumseh Eng 15 18 49 / / 22 / 1 / 25 .40 43 _3933 / 44 / / .47 /48 / 2O Model390 RER NO. PART NO. RER NO. DESCRIPTION PART NO. 1, 712-0442 Acorn Lock Nut 1/4-20 29, 710-0189 2, 736-3020 Flat Washer ,271" I,D, x .630" O,D, 30, 736-0242 DESCRIPTION Hex Bolt 5/16-18 x 3" Lg, Wash, Bell, ,340" I,D, x ,872" O.D, 3, 720-0270A 711-1036 731-1600 Reverse Handle Grip Handle Cover w/o throttle 31, 4, 32, 736-0119 Spec. Hex Nut L-Wash, 5/16" I.D. 5, 710-0779A Truss Mach. Scr, #10 x 1/2" Lg, 33, 710-3008 Hex Bolt 5/16-18 Gr. 5 6, 720-0274 786-0129 Cable Guide Bracket 712-0287 Grip-Handle Hex Nut 1/4-20 Gr.2 34, 7, 35, 710-0604A Hex Washer Screw 5/16-18 x ,62" Lg, 8, 726-0135 Cap Speed Nut 36, 710-0602 9, 686-0083 Clutch Handle Assembly 720-0269 Grip-Clutch 738-0934 786-0138A Hex Wash, Hd. TT-Tap Scr, ShdL Bolt 5/16-18 10, 37, 38, 11, 710-0641 39, 786-0139A 12, 731-1645A Hex Bolt 1/4-20 x 2,25" Lg, Gr,5 Clutch Handle Holder 40, 736-0171 Frame (L.H.) Lock Washer 7/16 13, 736-0140 Flat Washer ,385" I,D, x .62" O,D, 41, 712-0240 Jam Nut 7/16-20 Gr, 2 14, 686-0014A 710-0176 Hex Bolt 5/16-18 x 2,75" Lg, 736-0264 Reverse Handle Ass'y Flat Washer ,344" I,D, x .62" O,D, 42, 15, 43, 712-0429 16, 649-0039 Handle Assembly Comp, t 44, 711-0415 Hex Nylon Nut 5/16-18 Thd. Clevis Pin 649-0022B Handle Assembly Comp, tt 45, 714-0149B Cotter Pin 17, 647-0042 Adjustment Crank t 726-0211 U Nut 5/16-18 t 46, 47, 686-0081A 734-1566 Wheel Hanger Bracket Assembly 18, 19, 749-1101 Handle Brace t 48, 738-0929 Wheel Ass'y 8" x 1,75" Shoulder Screw .496 I,D, x 1,445 O,D. 20, 736-0921 Lock Washer 1/2 t 49, 750-0890 Spacer 21, 710-3194 Hex Bolt 1/2-20 Gr. 5 t 50, 710-1236 Carr, Bolt 5/16-18 x 1 tt 22, 786-0005 51, 749-0915A Engine Tube Brace (Std. B&S) 23, 714-0149B Depth Bar Cotter Pin 749-1082 Engine Tube Brace (Tec,) 24, 712-3004A Hex Flange L-Nut 5/16-18 Thd, Gr,5 52, 712-3004A Hex Flange L-Nut 5/16-18 Thd, tt 25, 786-0003 Tail Piece Bracket (LH,) 53, 786-0159 26, 786-0004 711-0415 54, 55, 736-0242 720-0195 Engine Brkt, (Std. B&S) Bell. Wash, .34" I,D, tt 27, Tail Piece Bracket (R,H.) Clevis Pin 28, 710-0805 Hex Bolt 5/16-18 x 1,5" Lg, ¢ Briggs & Stratton Intek Engine 11 Standard Briggs & Stratton and Tec. Engine 21 Frame (R,H,) Hand Knobtt Model390 26 t / 24 / I ! / 24/ / 23 48 13 30 34 / 3_. 36 50 / / 4l \ / / 11 46 1 s / / ! 2 18f 22 Model390 REF. NO. PART NO. REF. NO. DESCRIPTION 1, 2, 3, 712-0392 736-3020 710-0599 4, 5, 711-0920 712-3004A 6, 7, 8, 9, 10, 710-0723 756-0313 786-0149 786-0144 712-0266 11, 12, 13, 14, 15, 786-0057 710-0599 786-0043A 710-3008 712-3004A 16, 17, 686-0091 686-0106 Chain Case Assembly Complete Tine Disc Ends 18, 714-0149B Internal Cotter Pin 19, 20, 21, 711-0415 642-0023 642-0024 642-0003 22, 642-0002 746-0918 23, 24, 746-0953 756-0585 Clevis Pin Outer Tine Assembly L,H, Outer Tine Assembly R.H, Inner Tine Assembly L.H. Inner Tine Assembly R,H, Forward Clutch Cable Reverse Clutch Cable FI-Pulley 6" Dia, PART NO. Hex L-Stop nut 1/4-28 Flat Wash, ,266" I,D, x .625" O.D, 25, 26, 750-0892 748-0350 Hex Washer TT-Tap Scr. 1/4-20 x ,5" Belt Cover Bolt 27, 28, 736-0112 712-3029 Hex Flange Top L-Nut 5/16-18 (Gr,5) Hex Hd, Scr. 3/8-16 x 1,25" Lg. (Gr,5) Fl-ldler 2,12" O,D, Idler Belt Keeper Idler Bracket Hex Cent, Jam Nut 3/8-16 Thd, Belt Cover 29, 30, 31, 32, 33, 34, 35, 732-0697 786-0040B 736-0119 710-0107 756-0971 756-0600 736-0452 Hex Wash, TT-Tap Scr. 1/4-20 x .5" Lg. Tiner Shield 36, 38, 710-0191 686-0013 Hex Hd, Cap Scr, 5/16-18 x ,75" Lg Hex Flange Top L-Nut 5/16-18 (Gr, 5) 39, 40, 41, 712-0266 710-0723 756-0313 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 786-0041 710-0502A 786-0145A 786-0053 736-0171 712-0240 754-0428 754-0429 738-0102 738-0930 23 DESCRIPTION Spacer .64" Dia, x 2.4" Lg, Pulley Mounting Adapter Bell-Wash..525" I,D. x 1.5" O,D, Hex Jam Nut 1/2-20 Thd. (Gr, 5) Return Spring Reverse Bracket Lock Washer 5/16 Hex Bolt 5/16-24 x ,5" Inner Engine Pulley Half Outer Engine Pulley Half Bell Washer ,396" I,D, x 1/14" O,D, Hex Bolt 3/8-24 x 1,25" Reverse Arm Assembly Hex Cent, Jam Nut 3/8-16 Thd, Hex Cap Bolt 3/8-16 x 1,25" Lg, (Gr. 5) Fl-ldler 2,12" O.D, Keeper Plate Hex L-Wash. TT-Tap 3/8-16 x 1.25" Engine Plate Tine Shield Bracket L-Wash, 7/16" I.D. Hex Nut 7/16-20 Thd, V-Belt (Forward) V-Belt (Reverse) Shld. Bolt Shld. Bolt MANUFACTURER'S LIMITED WARRANTY The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the d. United States, its possessions and territories. MTD LLC warrants this product against defects for a period of FOR: MTD LLC does net extend any warranty for products sold or exported outside of the United States, its possessions and territories, except those sold through MTD LLC's authorized channels of export distribution. e. Parts that are not genuine MTD parts are not covered by this warranty. Service completed by someone other than an authorized 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 materials or workmanship. This f. limited warranty shall only apply if this product has been operated and maintained in accordance with the Operator's Man- g. ual furnished with the product, and has not been subject to misuse, abuse, commercial use, neglect, accident, improper maintenance, alteration, vandalism, theft, fire, water, or dam- No implied warranty, including any implied warranty of service dealer is not covered by this warranty. Transportation charges and service calls are not covered. merchantability of fitness for a particular purpose, applies after the applicable period of express written age because of other peril or natural disaster. Damage resulting from the installation or use of any accessory or warranty above as to the parts as identified. No other attachment not approved by MTD LLC for use with the product(s) covered by this manual will void your warranty as to any resulting damage. tioned above, given by any person or entity, including a dealer or retailer, with respect to any product, shall bind Normal wear parts or components thereof are subject to separate terms as follows: All normal wear parts or component failures will be covered on the product for a period of 90 days regardless of cause. After 90 days, but within the two year period, normal wear part failures will be covered ONLY IF caused by defects in materials or workmanship of OTHER component parts. Normal wear parts and components include, but are not limited to: batteries, belts, blades, blade adapters, grass bags, rider deck wheels, seats, snow thrower express warranty, whether written or oral, except as men* MTD LLC. During the period of the warranty, the exclusive remedy is repair or replacement set forth above. The provisions of the product as as set forth in this warranty provide the sole and exclusive remedy arising from the sale. MTD LLC shall not be liable for incidental or consequential loss or damage including, without limitation, expenses incurred for substitute or replacement lawn care services skid shoes, shave plates, auger spiral rubber, tires. or for rental expenses to temporarily product. HOW TO OBTAIN SERVICE: Warranty service is available, WITH PROOF OF PURCHASE, through your local autho- Some states do not allow the exclusion or limitation of inci- rized service dealer. To locate the dealer in your area, check your Yellow Pages, or contact MTD LLC at RO. Box 361131, Cleveland, Ohio 44136-0019, 1-800-800-7310, 1-330-2204683 or log on to our Web site at www.mtdproducts.cem. This limited warranty does not provide coverage in the following cases: a. The engine or component parts thereof. These items carry a separate manufacturer's warranty. Refer to the applicable manufacturer's warranty for terms and conditions. b. c. Log splitter pumps, valves, and cylinders have a separate one year warranty. Routine maintenance items such as lubricants, filters, blade sharpening, tune-ups, brake adjustments, clutch adjustments, deck adjustments, and normal deterioration of the exterior finish due to use or exposure. MTD LLC, P.O. BOX 361131 CLEVELAND, replace a warranted dental or consequential damages, or limitations on how long an implied warranty lasts, so the above exclusions or limitations 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 safety features of the product shall void this warranty. You assume the risk and liability for loss, damage, or injury to you and your property and/or to others and their property arising out of the misuse or inability to use the product. This limited warranty shall not extend to anyone other than the original purchaser or to the person for whom it was purchased as a gift. HOW STATE LAW RELATES TO THIS WARRANTY: limited warranty gives you specific legal rights, This and you may also have other rights which vary from state to state. OHIO 44136-0019 1-800-800-7310
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