Yard Machines 390 Tiller User Manual
Contents
1. iii 14 Troubleshooting alain ieri iii 15 Pars listi sie A ae i i i 16 FINDING MODEL NUMBER This Operators 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 Model Number Serial Number Copy the model number here Copy the serial number here MTD MTD PRODUCTS INC CLEVELAND OHIO 44136 ForA Growing World 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 1 330 220 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 information2. 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 you attached the forward cable See Figure 5 Reverse Tine a Engagement Handle Threaded Rod Hex Nut Reverse Cable Z End Hooked In Bracket Model 390 Figure 5 Final Clutch Adjustment To check the clutch cable adjustment proceed as follows Disconnect the spark plug wire and move it awav from the spark plug to prevent accidental starting Engage and release the tine engagement handle then the reverse tine engagement lever model 390 oniv 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 SECTION 3 KNOW YOUR TILLER Handle Reverse Tine ngagement Handle palato T Engagement Handle Models 340 thru 345 Model 390 Figure 6 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
3. You will be asked to enter the serial number in order to process your call SECTION 1 IMPORTANT SAFE OPERATION PRACTICES 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 Your Tiller Failure To Comply With These Instructions May Result In Personal Injury When You See This Symbol Heed Its Warning DANGER Your tiller 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 tiller is capable of amputating hands and feet Failure to observe the following safety instructions could result in serious injury or death WARNING The Engine Exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm GENERAL OPERATION Read this operators manual carefully in its entirety before attempting to assemble this machine Read understand and follow all instructions on the machine and in the manual s before operation Be completelv familiar with the controls and the proper use of the machine before operating it Keep this manual in a safe place for future and regular reference and for ordering replacement parts e Your tiller is a powerful tool not
4. Stratton and Tec Engine 17 Model 340 Thru 345 Model 340 Thru 345 Ref Ref No Part No Part Description No Part No Part Description 1 712 0392 Hex L Stop nut 1 4 28 22 746 0918 Forward Clutch Cable 2 736 3020 Flat Wash 266 I D x 625 O D 23 786 0053 Tine Shield Bracket 3 710 0599 Hex Washer Screw 1 4 20 x 5 24 736 0171 L Wash 7 16 1 D 4 711 0920 Belt Cover Bolt 25 712 0240 Hex Nut 7 16 20 Thd 5 712 3004A Hex Flange Top L Nut 5 16 18 26 710 0502A Hex Washer Screw 3 8 16 x 1 25 6 710 0723 Hex Hd Scr 3 8 16 x 1 25 Lg 27 786 0145A Engine Plate 7 756 0313 Fl Idler 2 12 O D 28 786 0039B Bracket Cover 8 786 0149 Idler Belt Keeper 29 736 0119 Lock Washer 5 16 9 786 0144 Idler Bracket 30 710 0107 Hex Bolt 5 16 24 x 5 10 712 0266 Hex Cent Jam Nut 3 8 16 Thd 31 756 0971 Inner Engine Pulley Half 11 786 0056 Belt Cover 32 756 0972 Outer Engine Pulley Half 12 710 0599 Hex Washer Screw 1 4 20 x 5 33 736 0258 Flat Washer 385 ID x 1 0 OD 13 786 0035A Tiner Shield 34 736 0169 Lock Washer 3 8 14 710 3008 Hex Hd Cap Scr 5 16 18 x 75 Lg 35 710 0191 Hex Bolt 3 8 24 x 1 25 15 712 3004A Hex Flange Top L Nut 5 16 18 36 736 0112 Bell Wash 525 I D x 1 5 O D 16 686 0091 Chain Case Assembly Complete 37 712 3029 Hex Jam Nut 1 2 20 Thd Gr 5 18 714 0149B Internal Cotter Pin 38 736 0312 Retainer Washer Bearing 19 711 0415 Clevis Pin
5. of the purchase price of the product sold Alteration of the safety features of the product shall void this War ranty 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 use or misuse or inabilitv 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 limited warranty gives you specific legal rights and you may also have other rights which vary from state to state
6. 2 or 24 inches For cultivation this mav be reduced to 13 inches bv removing the outer tines Refer to Tine Width Adjustment in Adjustment section When laving 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 practicallv eliminate hand hoeing Figure 14 The tiller has manv 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 verv useful for loosening hard soil for excavation with a shovel No tedious hand pickwork will be necessarv 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 passes across its width The addition of decayed organic matter will substantially increase the fertility of your garden For proper decaying action fertilizer should be applied and worked in with the mulch materials Breaking up leaves and straw and mixing it with several inches of soil causes the soil to hold moisture longer and allows proper aeration of the plant root sys
7. 39 756 0585 Fl Pulley 6 Dia 20 642 0005 Outer Tine Assembly L H 40 754 0428 V Belt Forward 642 0004 Outer Tine Assembly R H 41 750 0892 Spacer 64 Dia x 2 4 Lg 21 642 0003 Inner Tine Assembly L H 42 748 0350 Pulley Mounting Adapter 642 0002 Inner Tine Assembly R H 19 Model 390 Standard Briggs amp Stratton Tecumseh Engines i di amp PA A 2 TA 4 j 20 Model 390 REF PART NO DESCRIPTION Ro PART NO DESCRIPTION 1 1712 0442 Acorn Lock Nut 1 4 20 30 736 0242 Wash Bell 340 I D x 872 O D 2 736 3020 Flat Washer 271 1 D x 630 O D 31 711 1036 Spec Hex Nut 3 720 0270A Reverse Handle Grip 32 736 0119 L Wash 5 16 1 D 4 731 1600 Handle Cover w o throttle 33 710 3008 Hex Bolt 5 16 18 Gr 5 5 710 0779A Truss Mach Scr 10 x 1 2 Lg 34 786 0129 Cable Guide Bracket 6 720 0274 Grip Handle 35 710 0604 Hex Wash Hd TT Tap Scr 5 16 18 x 7 712 0287 Hex Nut 1 4 20 Gr 2 62 Lg 8 726 0135 Cap Speed Nut 36 710 0602 Hex Wash Hd TT Tap Scr 9 1686 0083 Clutch Handle Assembly 37 738 0934 Shdl Bolt 5 16 18 10 720 0269 Grip Clutch 38 786 0138 Frame R H 11 710 0641 Hex Bolt 1 4 20 x 2 25 Lg Gr 5 39 786 0139 Frame L H 12 731 1645A Clutch Handle Holder 40 736 0171 Lock Washer 7 16 13 736 0140 Flat Washer 385 1 D x 62 O D 41 712 0240 Jam Nut 7 16 20 Gr 2 14 686 0014A Reverse Handle Ass y 42 710 0176 Hex B
8. 7 712 0240 Hex Nut 7 16 20 Thd 642 0002 Inner Tine Assembly R H 48 754 0428 V Belt Forward 22 746 0918 Forward Clutch Cable 49 754 0429 V Belt Reverse 23 746 0953 Reverse Clutch Cable 50 738 0102 Shid Bolt 24 756 0585 FI Pulley 6 Dia 51 738 0930 Shid Bolt 23 MANUFACTURER S LIMITED WARRANTY FOR VARD MACHINES 1 4 The limited warranty set forth below is given by MTD PRODUCTS INC MTD with respect to new merchan dise purchased and used in the United States its posses sions 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 Operator s Manual furnished with the product and has not been subject to misuse abuse com mercial use neglect accident improper maintenance alteration vandalism theft fire water or damage because of other peril or natural disaster Damage resulting from the installation or use of any accessory or attachment not approved by MTD Products Inc for use with the product s covered by this manual will void your warranty as to any resulting damages Normal wear parts or components thereof are subject to separate terms as follows All norma
9. a plaything Therefore exercise extreme caution at all times Your unit has been designed to perform one job to till soil Do not use it for any other purpose e Never allow children under age 14 to operate the unit Children 14 years and older should only operate the unit under close parental supervision Only responsible individuals who are familiar with these rules of safe operation should be allowed to use your unit e Donot operate tiller while under the influence of alcohol or drugs e Keep the area of operation clear of all persons particularly small children and pets Stop the engine when they are in the vicinity of your tiller e Wear sturdy rough soled work shoes and close fitting slacks and shirt Shirt and slacks that cover the arms and legs and steel toed shoes are recommended Do not wear loose fitting clothes or jewelry and secure hair so it is above shoulder length They can be caught in moving parts Never operate a unit in bare feet sandals or sneakers e Operate tiller only in daylight or good artificial light e Do not start tiller unless the shift lever if provided is in the neutral N position e Do not allow anyone to stand or walk in front of tiller when starting or running engine Do not place feet or hands on or near the tines when starting the engine or while the engine is running Never attempt to make depth bar tine width cable handle or wheel adjustments while the engine is running Do not l
10. ace the throttle control lever in FAST position See Figure 8 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 e 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 e Repeat preceding instructions 5 and 6 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 amp 345 e 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 e Place the engine speed control in the START position e Push primer two 2 or three 3 times See Figure 10 Wait about two 2 seconds between each push NOTE Primer may be needed to restart a warm engine after a short shutdown e Stand at side of tiller Grasp the starter handle and pull out slowly until it pulls slightly harder Let rope rewind slowly e Pull rope with a rapid full arm stroke Do not allow handl
11. by MTD YARD MACHINES i Operators Manual Front Tine Tillers Models 340 Thru 390 Model 390 Shown 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 arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department P O Box 368022 Cleveland Ohio 44136 9722 MTD PRODUCTS INC P O BOX 368022 CLEVELAND OHIO 44136 9722 PRINTED IN U S A FORM NO 770 10135A 9 99 TABLE OF CONTENTS Content Page Important Safe Operation Practices nanna 3 4 Assembling Your Tiller nn cnn crono rna nnnnnnn nr nnmnnnnnn tna 5 Know Your Tile sisien s e aie ee eet 7 Operating Your Piller 3 ad a aaa 8 Making Adjustments ooocccccononocccccononnnnncnnnncnnnnnnnnncnnnnnnnnnnn conan nn nn rana nncnnannnncninans 12 Maintaining Your Tiller L i 13 Off Season Storage
12. ce serviceability 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 especially any springs bearings and cables Store in a clean dry area Do not store next to corrosive materials such as fertilizer SEGTION 8 TROUBLE SHOOTING GUIDE Trouble Possible Cause s Corrective Action Engine fails to start Fuel tank emptv or stale fuel Throttle control lever not in correct starting position if so equipped Blocked fuel line Dirtv aircleaner Choke not in ON position Spark plug wire disconnected 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 Faulty spark plug Clean adjust gap or replace Engine flooded Refer to the engine manual packed with your unit Engine runs Unit running on CHOKE Move choke lever to OFF position erratic Spark plug wire loose Connect and tighten spark plug wire Blocked fuel line or stale fuel Clean fuel line fill tank with clean fresh gasoline Fuel will not last over thirty days unless a fuel stabilizer is used Vent in gas cap plugged Clear vent Water or dirt in fuel system Drain fuel tank Refill with fre
13. ches 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 Spark Hex Hand Knob Plug ae Lock Nut Shoulder Bolt Figure 2 Welded Bracket Handle Shut off Hex Bolt Cupped Washer Hex Lock Nut Handle Brace Briggs and Stratton Standard Engine Spark fee Plug Handle Tecumseh Engine Figure 3 Attaching Clutch Control Cable s 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 e Loosenthehexnuton the threaded rod near the end of the cable and move it up the rod as far as it will go Unthreadthe 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 e Thread the rod back into the cable until the cable is straight Do not tighten it enough to put any tension on the spring e 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 NOTE Do not overtighten control cable Too much tension may cause it to break when engaged ez End Hooked In Bracket Threaded Rod Hex Nut Cable Models 340 thru 345 Figure 4 Reverse Cable Model 390 Only
14. d 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 Throttle Control The throttle control lever adjusts the engine speed and stops the engine With the throttle control lever pushed completelv forward the carburetor isin 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 completelv back to stop the engine Use maximum engine speed for deep tilling Move the throttle control to SLOW when transporting the tiller Transporting The Tiller To transport the tiller to or from the garden pivot the depth stake forward out of the wav 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 freelv 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 will 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 2
15. d muffler free of leaves grass and other debris build up Clean up fuel and oil spillage Allow unit to cool at least 5 minutes before storing Before cleaning repairing or inspecting make certain the tines and all moving parts have stopped Disconnect the spark plug wire and keep wire away from spark plug to prevent accidental starting Do not use flammable solutions to clean air filter 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 serviceability Keep all nuts bolts and screws tight to be sure the equipment is in safe working condition Never tamper with safety devices Check their proper operation regularly Do not alter or tamper with the engine s governor setting The governor controls the maximum safe operating speed of the engine Overspeeding the engine is dangerous and will cause damage to the engine and to other moving parts of the machine 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 NCAUTION TO AVOID INJURV e READ THE OPERATOR S MANUAL e KNOW LOCATION AND FUNCTIONS OF ALL CONTROLS e KEEP ALL SAFETY DEVICES AND SHIELDS IN PLACE e NEVER ALLOW CHILDREN OR UNINSTRUCTED ADULTS TO OPERATE TILLER
16. d 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 height because the tiller will be lower when the tines and depth stake penetrate the ground Transport Position Shallow Tilling Fast Forward Deep Tilling Slow Forward for Deep Tilling Figure 12 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 as shown in Figure 13 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 4 5 2 3 1 EI I Figure 13 Handle Pressure 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 spee
17. dapter 3 710 0599 Hex Washer TT Tap Scr 1 4 20 x 5 27 736 0112 Bell Wash 525 1 D x 1 5 O D 4 711 0920 Belt Cover Bolt 28 712 3029 Hex Jam Nut 1 2 20 Tha Gr 5 5 712 3004A Hex Flange Top L Nut 5 16 18 Gr 5 29 732 0697 Return Spring 6 710 0723 Hex Hd Scr 3 8 16 x 1 25 Lg Gr 5 30 786 0040B Reverse Bracket 7 756 0313 Fl Idler 2 12 O D 31 736 0119 Lock Washer 5 16 8 786 0149 Idler Belt Keeper 32 710 0107 Hex Bolt 5 16 24 x 5 9 786 0144 Idler Bracket 33 756 0971 Inner Engine Pulley Half 10 712 0266 Hex Cent Jam Nut 3 8 16 Thd 34 756 0600 Outer Engine Pulley Half 11 786 0057 Belt Cover 35 736 0452 Bell Washer 396 1 D x 1 14 O D 12 710 0599 Hex Wash TT Tap Ser 1 4 20 x 5 Lg 36 710 0191 Hex Bolt 3 8 24 x 1 25 13 786 0043A Tiner Shield 38 686 0013 Reverse Arn Assembly 14 710 3008 Hex Hd Cap Scr 5 16 18 x 75 Lg 39 712 0266 Hex Cent Jam Nut 3 8 16 Thd 15 712 3004A Hex Flange Top L Nut 5 16 18 Gr 5 40 710 0723 Hex Cap Bolt 3 8 16 x 1 25 Lg Gr 5 16 686 0091 Chain Case Assembly Complete 41 756 0313 Fl Idler 2 12 O D 17 686 0106 Tine Disc Ends 42 786 0041 Keeper Plate 18 714 0149B Internal Cotter Pin 43 710 0502A Hex L Wash TT Tap 3 8 16 x 1 25 19 711 0415 Clevis Pin 44 786 0145A Engine Plate 20 642 0023 Outer Tine Assembly L H 45 786 0053 Tine Shield Bracket 642 0024 Outer Tine Assembly R H 46 736 0171 L Wash 7 16 1 D 21 642 0003 Inner Tine Assembly L H 4
18. e SHUT OFF ENGINE BEFORE UNCLOGGING TINES OR MAKING REPAIRS e KEEP STENDE AWAY FROM MACHIN e KEEP AWAY FROM ROTATING PARTS e USE EXTREME CAUTION WHEN REVERSING OR PULLING THE MACHINE TOWARDS YOU SEGTION 2 ASSEMBLING VOUR TILLER Attaching The Handle Assembly NOTE When attaching the handle assembly steps three 3 and four 4 will vary depending on the engine you have Follow instructions which pertain to your model tiller NOTE This operators guide covers three different model tillers Models 340 thru 345 have forward tine 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 IMPORTANT This unit is shipped WITHOUT GASOLINE or OIL After assembly see separate engine manual for proper fuel and engine oil recommendations NOTE Left and right is determined from the operator s position standing behind the tiller Removing Unit From Carton e Remove staples break glue on top flaps or cut tape at carton end and peel along top flap to open carton e Remove all loose parts included with unit i e operators manual etc e Cutcorners and lay carton down flat e Remove packing material e Roll or slide unit out of carton Check carton thoroughly for loose parts e Extend control cable s to the rear of the tiller and lay them on the floor Be careful not to bend or kink cont
19. e engine has been operated and is still warm and refill the crankcase with fresh oil Protect the inside of the engine for storage as instructed in the separate engine manual packed with your tiller Clean the engine and the entire tiller thoroughly Be certain to adjust the clutch control as instructed in the final clutch adjustment section of assembly instructions Forward Drive Belt See Figure 17 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 assembled with the wide side of the belt away from the transmission and engine pulleys Be certain to adjust the clutch control as instructed in the final clutch adjustment section of assembly instructions Wipe tines with oiled rag to prevent rust We do not recommend the use of pressure washers to clean your unit It may cause damage to electric components spindles pulleys bearings or the engine The use of pressure washers will result in shortened life and redu
20. e 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 14 to operate the tiller SERVICE Use extreme care in handling gasoline and other fuels They are extremely flammable and the vapors are explosive Store fuel and oil in approved containers away from heat and open flame and out of the reach of children Check and add fuel before starting the engine Never remove gas cap or add fuel while the engine is running Allow engine to cool at least two minutes before refueling Replace gasoline cap securely and wipe off any spilled gasoline before starting the engine as it may cause a fire or explosion Extinguish all cigarettes cigars pipes and other sources of ignition Never refuel unit indoors because flammable vapors will accumulate in the area A WARNING ma AVOID INJURV FROM ROTATING TINES KEEP HANDS FEET AND CLOTHING AWAY Never store the machine or fuel container inside where there is an open flame or spark such as a gas hot water heater space heater clothes dryer or furnace Never run your machine in an enclosed area as the exhaust from the engine contains carbon monoxide which is a odorless tasteless and deadly poisonous gas To reduce fire hazard keep engine an
21. e to snap back Allow it to rewind slowly while keeping a firm hold on the starter handle NOTE f engine fails to start after three 3 pulls push primer two 2 times and pull starter rope again e Repeat steps 4 and 5 until engine starts Refer to engine manual for additional engine information NOTE After starting engine and prior to using the tiller be certain to check the clutch adjustment as described in Checking the Clutch Adjustment section of the Assembly Instructions To Stop Engine Move throttle control lever to STOP or OFF position e Disconnect spark plug wire from spark plug and ground against the engine to prevent accidental starting while equipment is unattended Using Your Tiller 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 Wheel Position 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 clev
22. eave the tiller unattended with the engine running Before attempting to remove rocks bricks and other objects from tines stop the engine and be sure the tines have stopped completely Disconnect the spark plug wire and move it away from the spark plug If your machine should start making an unusual noise or vibration immediately stop the engine and allow the machine to come to a complete stop Disconnect the spark plug wire and move it away from the spark plug Take the following steps Inspect for damage Repair or replace any damaged parts Check for any loose parts and tighten to assure continued safe operation Muffler and engine become hot and can cause a burn Do not touch Keep all shields guards and safety devices in place and operating properly Use caution when tilling near fences buildings and underground utilities Rotating tines can cause damage or injury Do not operate engine if air cleaner or cover over carburetor air intake is removed except for adjustment Removal of such parts could create a fire hazard Only use accessories approved for this machine by the manufacturer Read understand and follow all instructions provided with the approved accessory If situations occur which are not covered by this manual use care and good judgment Contact your dealer for assistance SOREN Tragic accidents can occur if the operator is not alert to the presence of small children Children are often attracted to th
23. emelv dustv conditions Poor engine performance and flooding usuallv indicates that the air cleaner should be serviced To service the air cleaner refer to the separate engine manual packed with vour unit IMPORTANT Never run vour engine without air cleaner completelv assembled The spark plug should be cleaned and the gap reset once a season Spark plug replacement is recommended at the start of each tilling season check engine manual for correct plug tvpe and gap specifications Clean the engine regulariv with a cloth or brush Keep the cooling svstem blower housing area clean to permit proper air circulation which is essential to engine performance and life Be certain to remove all dirt and combustible debris from muffler area Cleaning The Tine Area Clean the underside of the tine shield after each use The dirt washes off the tines easier if washed off immediately instead of after it dries We do not recommend the use of pressure washers to clean your unit It may cause damage to electric components spindles pulleys bearings or the engine The use of pressure washers will result in shortened life and reduce serviceability Belt Removal And Replacement 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 Forward Dri
24. 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 Reverse Tine A Engagement Handle a Forward Tine Engagement Handle Se og a Stake Tines N End Cap Model 390 Shown Figure 7 Read this operators manual and safety rules before Throttle Control operating your tiller Compare the illustations in Figure 7 with your tiller to familiarize yourself with the location of various controls and adjustments Save this manual for future reference The throttle control lever is located on the engine It controls the engine speed and stops the engine See Figure 8 Choke Lever Model 340 390 The choke lever is located above the throttle control It is used to enrich the fuel mixture when starting a cold engine See Figure 8 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 8 Forward Tine Engagement Handle The forward tine engagement handle is located beneath the tiller handle See Figure 7 Squeezing the handle up against the tiller handle engages the tines Release the handle to stop the tines Reverse Tine Drive Clutch Lever Model 390 Only The reverse tine drive clutch lever is located on top of the handle panel See Figure 7 Pull the lever to the rear to move the tines in reverse Re
25. ip Clutch 33 786 0138 Frame R H 8 710 0641 Hex Bolt 1 4 20 x 2 25 Lg Gr 5 34 786 0139 Frame L H 9 731 1645A Clutch Handle Holder 35 736 0171 Lock Washer 7 16 10 736 0140 Flat Washer 385 1 D x 62 O D 36 712 0240 Jam Nut 7 16 20 Gr 2 11 649 0039 Handle Assembly Comp t 37 710 0176 Hex Bolt 5 16 18 x 2 75 Lg 649 0022A Handle Assembly Comp tt 38 712 0429 Hex Nyloc Nut 5 16 18 Thd 12 647 0042 Adjustment Crank t 39 711 0415 Clevis Pin 13 726 0211 U Nut 5 16 18 t 40 714 0149B Cotter Pin 14 749 1101 Handle Brace t 41 686 0081A Wheel Hanger Brkt Assv 15 736 0921 Lock Washer 1 2 42 734 1566 Wheel Ass v 8 x 1 75 16 710 3194 Hex Bolt 1 2 20 Gr t 43 738 0929 Shoulder Screw 496 x 1 445 17 786 0005 Depth Bar 44 750 0890 Spacer 18 714 0149B Cotter Pin 45 712 3004A Hex Flange L Nut 5 16 18 Thd 19 712 3004A Hex Flange L Nut 5 16 18 Gr 5 tt 20 786 0003 Tail Piece Bracket L H 46 720 0195 Hand Knob tt 21 786 0004 Tail Piece Bracket R H 47 749 0915A Engine Tube Brace Std B amp S 22 711 0415 Clevis Pin 749 1082 Engine Tube Brace Tec 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 Hex Bolt 5 16 18 x 3 Lg 49 736 0242 Bell Wash 34 1 D tt 25 736 0242 Wash Bell 340 I D x 872 O D 50 786 0159 Engine Brkt Std B amp S 26 711 1036 Spec Hex Nut t Briggs 8 Stratton Intek Engine tt Standard Briggs amp
26. is 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 Hairpin Clip and Clevis Pin Figure 9 Removing End Caps Model 390 only 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 off the axle See Figure 10 Clevis Pin Hairpin Clip Figure 10 Controlling Speed And Tilling Depth e Wheel Yoke Adjustment 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 Wheel Yoke in this Wheel Yoke in this position for position for shallow tilling deep tilling cultivating and transport Figure 11 Depth Stake Adjustment The depth stake acts as a brake for the tiller and controls the depth and speed at which the machine will operate Remove the clevis pin and hairpin clip to raise or lower depth stake See Figure 9 By increasing the depth of the depth stake the forward speed of the machine is reduced and the working depth is increased See Figure 12 When the depth stake is raised the working depth of the machine is reduced and the forwar
27. isengage all clutches and tines Keep clear of all moving parts Be careful of heated surfaces and muffler Minor carburetor adjustment may be required to compensate for differences in fuel temperature altitude or load If adjustments are needed refer to the engine manual packed with the tiller NOTE A dirty air cleaner will cause engine to run rough Be certain air cleaner is clean and attached to the carburetor before adjusting carburetor Do not make unnecessary adjustments Factory settings are satisfactory for most applications and conditions SEGTION 6 MAINTAINING VOUR TILLER Lubrication WARNING Alwavs stop engine and disconnect spark plug wire before cleaning lubricating or doing anv kind of work on tiller A 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 factorv WARNING Disconnect spark plug wire A and ground it against the engine before performing any repairs or maintenance Trouble Shooting Refer to the trouble shooting chart for more information Engine Refer to the separate engine manual for all engine maintenance instructions Maintain engine oil as instructed in the separate engine manual packed with vour unit Read and follow instructions carefuliv Service air cleaner everv 25 hours under normal conditions Clean everv few hours under extr
28. l wear part or compo nent 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 material or workmanship of OTHER component parts Normal wear parts and compo nents include but are not limited to belts blades blade adapters grass bags rider deck wheels seats snow thrower skid shoes shave plates and tires Batteries are covered by a 90 day limited replacement warranty HOW TO OBTAIN SERVICE Warranty service is avail able 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 PRODUCTS INC by calling 1 800 800 7310 or writ ing to P O Box 368022 Cleveland Ohio 44136 9722 This limited warranty does not provide coverage in the following cases a The engine or component parts thereof These items carry a separate manufacturers warranty Please refer to the applicable manufacturer s warranty on these items b Log splitter pumps valves and cylinders have a sepa rate one year warranty c Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as brake adjustments clutch adjustments or deck adjustments and normal deterioration of the exterior finish due to use or exposure d MTD does n
29. lease the lever to stop the reverse tine drive 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 Depth Stake The depth stake controls the tilling depth Refer to OPERATING YOUR TILLER in Section 4 Tines And End Caps 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 SECTION 4 OPERATING YOUR TILLER Gas and Oil Fill up Service the engine with gasoline and oil as instructed in the separate engine manual packed with your tiller Read instructions carefully NOTE Your tiller is shipped without oil however a small amount of oil may be present from the factory Starting Engine A WARNING Be sure no one is standing in front of the tiller while the engine is running or being started Eri e tn 2o a Briggs and Stratton Intek Choke Throttle Control Briggs and Stratton Standard Air Cleaner Tecumseh Figure 8 Models 340 342 amp 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 Pl
30. olt 5 16 18 x 2 75 Lg 15 736 0264 Flat Washer 344 1 D x 62 O D 43 712 0429 Hex Nyloc Nut 5 16 18 Thd 16 649 0039 Handle Assembly Comp t 44 711 0415 Clevis Pin 649 0022A Handle Assembly Comp tt 45 714 0149B Cotter Pin 17 647 0042 Adjustment Crank t 46 686 0081A Wheel Hanger Brkt Assy 18 726 0211 U Nut 5 16 18 t 47 734 1566 Wheel Ass v 8 x 1 75 19 749 1101 Handle Brace 48 738 0929 Shoulder Screw 496 I D x 1 445 O D 20 736 0921 Lock Washer 1 2 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 Depth Bar 51 749 0915A Engine Tube Brace Std B amp S 23 714 0149B 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 Tha 25 786 0003 Tail Piece Bracket L H Gr 5 tt 26 786 0004 Tail Piece Bracket R H 53 786 0159 Engine Brkt Std B amp S 27 711 0415 Clevis Pin 54 736 0242 Bell Wash 34 1 D tf 28 710 0805 Hex Bolt 5 16 18 x 1 5 Lg 55 720 0195 Hand Knobtt 29 710 0189 Hex Bolt 5 16 18 x 3 Lg 1 Briggs amp Stratton Intek Engine tt Standard Briggs 8 Stratton and Tec Engine 21 Model 390 Model 390 REF PART NO DESCRIPTION REF PART NO DESCRIPTION 1 712 0392 Hex L Stop nut 1 4 28 25 750 0892 Spacer 64 Dia x 2 4 Lg 2 736 3020 Flat Wash 266 I D x 625 O D 26 748 0350 Pulley Mounting A
31. ot 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 distribu tion 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 War ranty the exclusive remedy is repair or replacement 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 expenses incurred for substitute or replacement lawn care ser vices for transportation or for related expenses or for rental expenses to temporarily replace a warranted product Some states do not allow the exclusion or limita tion of incidental or consequential damages so the above exclusion or limitation may not apply to you In no event shall recovery of any kind be greater than the amount
32. rol cable s Setting Up Your Tiller Attaching The Tailpiece And Depth Stake 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 Self Tapping Screw Figure 1 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 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 amp Stratton amp Tecumseh Engines Remove handle crank from the handle brace Briggs amp 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 amp Stratton amp 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 amp Stratton Intek only Select one of the three handle height positions three not
33. sh fuel Dirty air cleaner Refer to the engine manual packed with your unit Carburetor out of adjustment Refer to the engine manual packed with your unit Engine over Engine oil level low Fill crankcase with proper oil heats Dirty air cleaner Refer to the engine manual packed with your unit Air flow restricted Refer to the engine manual packed with your unit Carburetor not adjusted properly Adjust carburetor as instructed in separate engine manual Tines do not Foreign object lodged in tines Dislodge foreign object engage Tine clevis pin s missing Replace tine clevis pin s Pulley and idler not in correct adjustment Control cable not adjusted properly Belt worn and or stretched Take unit to authorized service dealer Adjust control cable see assembly instructions Replace belt 15 Model 340 Thru 345 Standard Briggs amp Stratton Tecumseh Engines Model 340 Thru 345 uc Part No Part Description NS Part No Part Description 1 712 0442 Acorn Lock Nut 1 4 20 27 736 0119 L Wash 5 16 I D 2 736 3020 Flat Washer 271 1 D x 630 O D 28 710 3008 Hex Bolt 5 16 18 Gr 5 3 731 1599 Handle Cover 29 786 0129 Cable Guide Bracket 4 712 0287 Hex Nut 1 4 20 Gr 2 30 710 0604 Hex Wash Screw 5 16 18 x 62 5 720 0274 Grip Handle 31 710 0602 Hex Wash Hd TT Tap Scr 6 686 0083 Clutch Handle Assembly 32 738 0934 Shdl Bolt 5 16 18 7 720 0269 Gr
34. tem This also retards the growth of weeds The U S Department of Agriculture and various state and local agencies offer published booklets and expert advice on all phases of gardening They should be consulted regarding soil information planting dates and the most satisfactory varieties of crop for your particular area SEGTION 5 MAKING ADJUSTMENTS A WARNING Disconnect the spark plug wire and ground against the engine before performing any adjustments repairs or maintenance Tine Width Adjustment The tilling width of the unit is 22 inches See Figure 15 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 See Figure 15 For cultivation reduce the tine width to 13 inches by removing the outer tines completely Wheel Adjustments To adjust the wheel yoke and wheel position refer to OPERATING YOUR TILLER in Section 4 Depth Stake Adjustment To adjust the depth stake refer to OPERATING YOUR TILLER in Section 4 Figure 15 Clutch Control Adjustments To adjust the clutch controls refer to the Final Adjustment section of assembly instructions Carburetor Adjustment WARNING If any adjustments are made A to the engine while the engine is running e g carburetor d
35. ve Belt Part No 754 0428 Reverse Drive Belt 390 Only Part No 754 0429 Reverse Drive Belt Model 390 Only e 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 e Remove the hex stop nut and flat washer from the side of the belt cover Remove belt cover Self Tapping Hex Nut and Washer Screws Figure 16 e Liftthebeltoffthe transmission pulley e Removethehex nut which secures the reverse idler pullev to the idler bracket Slide idler pullev out and remove the belt See Figure 17 Reverse Idler Pullev Forward Transmission Model 390 Shown Pullev Figure 17 Transmission Pullev Reverse Idler Y al pae l tm N Forward Belt Area Figure 18 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 SECTION 7 OFF SEASON STORAGE If the tiller is to be inoperative for a period longer than 30 days the following precautions are recommended Working outdoors drain all fuel from the fuel tank Run the engine until it stops from lack of fuel A WARNING Do not drain fuel smoking or if near an open fire while Drain all the oil from the crankcase this should be done after th
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