Yard-Man 454 User's Manual
Contents
1. y j 2 NO ES C NOTE Cable tie not shown Depth Stake Assembly SECTION 3 ASSEMBLING YOUR TILLER IMPORTANT The Engine is shipped WITHOUT GASOLINE or OIL After assembly see separate engine manual for proper fuel and engine oil recommendations NOTE operator s position standing behind the tiller Tools Required For Assembly Adjustable Wrenches Pair of Pliers Screw Driver Unpacking Remove staples break glue on top flaps or cut tape at carton end and peel along top flap to open carton Remove loose parts included with unit i e operator s manual bottle of oil etc Cut corners and lay carton down flat Remove packing material Roll or slide unit out of carton Check carton thoroughly for loose parts Extend control cable and lay on the floor Be careful not to bend or kink control cable T Knob Hex Bolt T Knob Hex Bolt gt Depth Washer Washer Stake Clevis Pin Hairpin Clip Depth Stake Figure 1 Left and right is determined from the Attaching Depth Stake Assembly Tip the tiller forward so it rests on front counterweight e Raise the tine shield hinge flap assembly Remove T knob flat washer and hex bolt from depth stake Insert the depth stake assembly in front of spacer under the tine shield and up through the tine shield assembly as shown in Figure 1 e Insert clevis pin through the tine sh2. YaRD MaN Operator s Manual Rear Tine Tiller Model 454 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 10085D 3 2001 TABLE OF CONTENTS Content Page Important Safe Operation PracticeSs i 3 Loose Parts amp Hardware Pack aaa 5 Assembling Your Tiller rre 6 Know CUT ille iaia ali 8 Operating Your Tiller ii 9 Making Adjustments 10 Maintaining Your Tiller 11 Servite l tu iii pta da 11 Troubl shootind ili iaa li 13 Parts LISt cr die lied 14 FINDING MOD
3. 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 services for transportation or for related expenses or for rental expenses to temporarily replace a warranted product Some states do not allow the exclusion or limitation 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 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 inability to use the product This limited warranty shall not extend to anyone other than the original purchaser original lessee or the person for whom it was purchased as a gift How State Law Relates to this Warranty This limited warranty gives you specific legal rights and you may also have other rights which vary from state to state
4. 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 fresh 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 Not shifting properly Control cable not adjusted properly Belt worn and or stretched Ta
5. T Knob 46 715 0120 Spirol Pin 3 16 x 1 00 12 720 0278A Foam Grip 49 784 0208C Shift Cover 14 726 0317 Cable Tie 50 711 0415 Clevis Pin 15 735 0246 Plug 51 712 3054 Hex Nut 3 8 24 Thd 16 736 0117 Flat Washer 3 8 x 620 x 033 53 742 0305 13 Dia Articulating Tine 17 736 0242 Bell Wash 340 I D x 872 O D 54 738 0689 Shld Bolt 1 2 Dla x 175 18 738 0958 Shoulder Spacer 55 736 0208 Fl Wash 51 1 D x 1 50 19 784 0190 Handle Adjustment Crank 56 736 0253 Bell Wash 515 I D x 1 14 20 784 0191 Hex Nut Ret Bracket 57 738 0688 Shld Bolt 1 2 Dia x 320 21 786 0120 Depth Stake 58 784 0160 Tine Adapter Ass y 18 22 747 1219 Bail Clutch 59 714 0149B Internal Cotter Pin 23 786 0181 Shift Lever Rod 60 735 0127 Rubber Washer 24 686 0044A Tine Shield Cover Ass y 61 714 0104 Cotter Pin 25 710 0176 Hex Cap Screw 5 16 18 x 2 75 62 710 3022 Hex Screw 3 8 16 x 2 75 Lg 26 710 3008 Hex Cap Screw 5 16 18 x 750 63 736 0204 Flat Washer 27 710 3097 Carriage Bolt 3 8 16 x 1 0 64 712 0431 Flange Nut 344 1 D x 62 O D 28 712 0421 Wing Nut 65 736 0169 Lock Washer 29 736 0169 Lock Washer 3 8 66 712 0798 Hex Nut 3 8 16 30 712 3004A Flange Nut 5 16 18 67 710 0946 Truss Screw 1 4 20 x 65 31 726 0106 Cap Nut 68 712 0324 Hex Lock Nut 1 4 20 Gr 8 69 726 0273 Battery Hose Clamp 5 16 3 fore poeta orion 70 736 3090 Flat Washer 260 x 720 x 060 Labels He
6. eyebolt and 10 nut removed in step 1 into the internally threaded tube at the end of the cable Thread engagement should be about 3 4 Tighten nut against tube at end of cable See Figure 4 Slot Head Screw Flat Washers Clutch Figure 4 NOTE Do not overtighten clutch cable Too much tension may cause it to break cable adjustment as instructed on this page before operating the tiller 1 WARNING Be certain to check the clutch Secure clutch cable to handle using cable tie Refer to Figure 6 Cut off excess end of cable tie Attaching The Control Rod Make sure the handle assembly is in the highest position Remove hairpin clips from control rod rubber washers to remain on control rod e Insert the shorter angled end of the control rod through the indicator bracket on the shift cover and secure with hairpin clip that was removed in step 1 See Figure 5 Insert the longer end of the control rod through the hole in the gear selector handle and secure with hairpin clip See Figure 6 a OSS Hairpin a Clip Figure 5 Checking The Clutch Adjustment IMPORTANT Service the engine with oil and gasoline before checking this adjustment Refer to the separate engine manual packed with your tiller for proper fuel and engine oil recommendations Position the tiller so the front counterweight is against a solid object such as a wall With the gear selection leve
7. 0 41 712 0392 Acorn Lock Nut 18 746 1117 Clutch Cable 42 736 0463 Fl Washer 1 4 x 620 Lg 19 747 1159 Idler Pulley Rod 43 784 0158A Belt Cover 20 754 0434 Belt 4L x 58 16 Lg 44 710 0805 Hex Bolt 5 16 18 x 1 50 Lg 21 756 0405 Fi Idlerw Flange 3 75 O D 45 1736 0242 Bell Wash 340 I D x 872 O D 22 756 0971 Outer Engine Pulley Half 46 1712 3010 Nut Hex 5 16 18 23 756 0972 Inner Engine Pulley Half 737 0298 Oil Drain Tube Not Shown 24 756 1162 Input Pulley 737 0132 End Cap Not Shown 25 786 0064A Idler Bracket 700 xxxx 0665 code NOTE For painted parts please refer to the list of color codes below Please add the applicable color needed to the part number to order a replacement part For instance if a part numbered 700 xxxx is painted Yard Man Green the part number to order would be Yard Man Green 0665 Yard Man Yellow 0674 Powder Black 0637 wherever MANUFACTURER S LIMITED WARRANTY FOR YaRD MaN 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 T
8. 1 5 O D 7 617 0060 Tine Input Sprocket Ass y 9T 35 736 0407 Bell Wash 45 I D x 1 0 8 617 0061 Wheel Input Sprocket Ass y 10T 36 736 0518 Thrust Wash 445 x 1 92 x 060 9 617 0062 Gear Ass y 11T 37 736 3088 Fl Wash 635 I D x 1 59 O D 10 686 0108 R H Housing Ass y 40 738 0645 Detent Shaft 1 2 Dia 11 710 0376 Hex Bolt 5 16 18 x 1 Lg 41 738 0648 Jack Shaft 625 x 2 385 12 710 0599 Hex S Tap Scr 1 4 20 x 5 42 738 1013 Jack Shaft 625 x 5 0 13 710 0604A Hex S Tap Scr 5 16 18 x 625 43 741 0124 Ball Bearing 14 710 3008 Hex Bolt 5 16 18 x 75 44 741 0420 Flange Bearing 1 0 x 2 5 x 1 38 15 711 1349 Input Shaft 45 741 0421 Flange Bearing 75 x 2 5 x 1 38 16 712 0378 Hex Nut 7 16 20 46 741 0563 Ball Bearing 6692 x 5745 x 466 17 712 3004A Flange Nut 5 16 18 47 741 0862 Detent Ball 250 18 713 0367 420 Chain 1 2 Pitch x 50 Links 48 750 0258 Spacer 315 19 713 0484 50 Chain 5 8 Pitch x 54 Links 49 750 0570 Spacer 1 0 I D x 2 0 O D x 440 20 716 0865 Snap Ring 50 750 0664 Spacer 505 I D x 88 O D x 21 717 0853 Shifting Fork 51 750 0671 Spacer 75 x 2 0 x 50 22 717 1582 Spur Gear 44T 52 786 0171 L H Chain Case Ass y 23 717 1583 Spur Gear 30T 53 786 0238 Gear Positioner Bracket 24 717 1584 Spur Gear 30T 737 0300 Benelene 920 Grease 25 717 1585 Spur Gear 44T 737 0288 Never Seez Grease 26 717 1587 Spur Gear 44T 686 0107 G
9. EL NUMBER 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 and looking down at the center of the rear tine shield A sample model plate is explained below For future reference please copy the model number and the serial number of the eguipment 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 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 information You will be asked to enter the serial number in order to process your call For more details about your unit visit our w
10. Figure 6 Lifting the clutch control bail against the handle engages the wheel and tine drive mechanisms NOTE Never engage clutch lever while shifting Depth Stake The depth bar controls the tilling depth Refer to SECTION 5 OPERATING YOUR TILLER on page 9 Handle Adjustment The handle may be adjusted to be raised or lowered in line with the tiller To adjust the handle position loosen the handle height adjustment lever a few turns Pivot handle up or down to desired position Tighten lever SECTION 5 OPERATING YOUR TILLER NOTE Engine is shipped without oil 1 WARNING Use the reverse tine drive when tilling virgin ground sod or hard soil Use the forward tine drive when cultivating or tilling soft ground Bota Starting Service engine with oil as instructed in the separate engine manual packed with your unit e Fill fuel tank with clean fresh lead free low lead or regular grade leaded gasoline To Start Engine WARNING Be sure no one is standing in A front of the tiller while the engine is running or being started e Place the throttle control lever in the FAST rabbit position e Move choke lever to CHOKE position NOTE A warm engine may not require choking e Stand at side of tiller Grasp the starter handle with your right hand and pull out slowly until it pulls slightly harder Place your left hand on the lower portion of the upper handle e Pull starter handle rapidly Do not allow handle to
11. and for shallow cultivation use the setting which gives 1 of tilling depth second hole from the top Place the side shields in their lowest position For further depth raise the depth stake and side shields and make one or two more passes over the area When tilling loose soil depth stake may be raised to its highest position use bottom adjustment hole to give the deepest tilling depth Raise the side shields to their highest position iy 9 Transport Use This Position Position _ X Hairpin Clip Figure 7 e To transport tiller lower the depth stake use top adjustment hole e To adjust the depth stake remove the clevis pin and hairpin clip See Figure 7 Move the depth stake to the desired setting e To adjust the side shields remove the front wing nut and loosen the rear wing nut See Figure 8 Place side shield in position desired Replace wing nuts and tighten securely Side HA Shields Hole for SS Lowest Salcido T Wing Nut Use This Hole for Highest Deepest Position Figure 8 To Operate The Tiller e Select the depth stake setting e Start engine as instructed on page 9 e Move gear selection handle to one of the forward modes or reverse Use the reverse tine drive when tilling virgin ground sod or hard soil Use the forward tine drive when cultivating or tilling soft ground SECTION 6 MAKING AD USTMENTS Handle Adjustment The handle height may be adjusted Re
12. chine should start making an unusual noise or vibration stop the engine disconnect the spark plug wire and ground it against the engine 18 19 20 21 Inspect thoroughly for damage Repair any damage before starting and operating Keep all shields guards and safety devices in place and operating properly Never pick up or carry machine while the engine is running Use only attachments and accessories approved by the manufacturer Failure to do so can result in personal injury If situations occur which are not covered in this manual use care and good judgment Contact your dealer or telephone 1 800 800 7310 for assistance and the name of your nearest servicing dealer Maintenance And Storage 1 2 NOTE Not all safety labels shown may apply to your tillers n l CC E z fo o ll Li O un Z Q E o zZ D di UNCLOGGING TINES OR MAKING ea 2 gt as 22 2 zo sE S u SE F cc e a z e E lt O O A 9 zZ amp e UNINSTRUCTED ADULTS TO REVERSING OR PULLING THE MACHINE TOWARDS YOU OPERATE TILLER e SHUT OFF ENGINE BEFORE SHIELDS IN PLACE e NEVER ALLOW CHILDREN OR REPAIRS e KEEP BYSTANDERS AWAY FROM MACHINE e KEEP AWAY FROM ROTATING PARTS e USE EXTREME CAUTION WHEN e KEEP ALL SAFETY DEVICES AND O Z Z a gt lt Never tamper with safety devices Check their proper operation regularly Check bolts and sc
13. e tiller forward If this occurs let go of the handlebars 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 Look down behind and use care when in reverse or pulling machine towards you Start the engine according to the instructions found in this manual and keep feet well away from the tines at all times After striking a foreign object stop the engine disconnect the spark plug wire and ground against the engine Thoroughly inspect the machine for any damage Repair the damage before starting and operating Disengage all clutch levers and stop engine before you leave the operating position behind the handles Wait until the tines come to a complete stop before unclogging the tines making any adjustments or inspections Never run an engine indoors or in a poorly ventilated area Engine exhaust contains carbon monoxide an odorless and deadly gas Muffler and engine become hot and can cause a burn Do not touch Use caution when tilling near fences buildings and underground utilities Rotating tines can cause property damage or personal injury Do not overload machine capacity by attempting to till soil to deep atto fast of a rate If the ma
14. ear Case Assembly Complete 27 717 1594 Spur Gear 16T 700 xxxx 0665 code NOTE For painted parts please refer to the list of color codes below Please add the applicable color needed to the part number to order a replacement part For instance if a part numbered 700 xxxx is painted Yard Man Green the part number to order would be wherever Yard Man Green 0665 Yard Man Yellow 0674 Powder Black 0637 Model 454 16 Model 454 N I 777120283 N l 777D02311 N l 777D01294 NA 777120358 N I 777120457 N I 777D01159 Shift Plate Facing Operator Engine Spinner YM Side of Belt Guard Place Hand Here on Handle Gear Selection on Handle Front Counterweight REF REF NO PART NO DESCRIPTION NO PART NO DESCRIPTION 1 747 1152 Shift Rod 34 750 0885 Spacer 435 O D x 322 1 D 2 649 0041 Upper Handle Ass y 35 786 0090 Shoulder 3 649 0034 Lower Handle Ass y 36 786 0113 Tine Shield Hinge Flap 4 710 3005 Hex Screw 3 8 16 x 1 25 37 786 0176 R H Handle Brkt 5 710 3056 Hex Screw 5 16 18 x 3 25 38 786 0177 L H Handle Brkt 6 711 0415 Clevis Pin 3 8 1 62 39 786 0178 Tine Shield 7 712 0379 Flange Lock Nut 3 8 24 40 786 0179 Tine Shield Brkt 8 712 0429 Hex Lock Nut 5 16 18 41 786 0180 Shoulder Spacer Brkt 9 714 0147 Cotter Pin 42 686 0109 Shift Crank Ass y 10 720 0313 Grip 44 710 1017 Screw 1 4 14 x 625 11 720 0210A
15. ebsite at www mtdproducts com SECTION L IMPORTANT SAFE OPERATION 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 1 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 and throwing objects Failure to observe the following safety instructions could result in serious injury or death TRAINING Read understand and follow all instructions on 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 C
16. ed order belt by part number from your nearest authorized dealer Part No 754 0434 V Belt e Disconnect and ground the spark plug wire against the engine e Remove the belt cover from the left side of the tiller as follows See Figure 9 Remove two torx screws from the top of belt cover Remove the hex cap nut and flat washer from the side of the belt cover Remove the self tap screw at the bottom of the front of the cover e Remove the belt keeper bracket located behind the engine pulley by removing two hex bolts and lock washers See Figure 10 Remove belt Reassemble new belt following instructions in reverse order Torx Screws Belt Cover A N 2 He Cap Nut a Flat Washer Figure 9 Upon reassembly make certain the belt is routed over the idler pulley and inside of belt keepers by engine pulley See Figure 10 SECTION 9 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 e Clean the exterior of engine and the entire tiller thoroughly Lubricate the tiller as described in the lubrication instructions Wedo 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 Engine Idler Belt Kee
17. emely dusty conditions Poor engine performance and flooding usually indicates that the air cleaner should be serviced To service the air cleaner refer to the separate engine manual packed with your unit IMPORTANT Never run your engine without air cleaner completely assembled The spark plug should be cleaned and the gap reset every 25 hours of engine operation Spark plug replacement is recommended at the start of each tiller season check engine manual for correct plug type and gap specification Clean the engine regularly with a cloth or brush Keep the cooling system 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 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 Belt Replacement 1 WARNING Do not use an off the shelf belt Your tiller has been engineered with a belt made of special material Kevlar Tensile for longer life and better performance It should not be replaced with an off the shelf belt If belt replacement is requir
18. fer to the Know Your Tiller section for details of handle adjustment Belt Tension Adjustment Periodic adjustment of the belt tension may be required due to normal stretch and wear on the belt Adjustment is needed if the tines or wheels seem to hesitate while turning but the engine maintains the same speed To adjust the tension on the belt refer to clutch adjustment information in Checking the Clutch Adjustment section of the Assembly Instructions After belt tension has been adjusted if the belt is excessively stretched you may need to adjust the idler pulley rod This can easily be checked With the engine off and the clutch control bail disengaged shift the gear selection handle to each forward mode If the indicator bracket touches the idler pulley rod with the clutch control bail disengaged then an adjustment is necessary Disconnect and ground out spark plug wire against the engine IMPORTANT When using the forward tine drive lower the depth stake use a shallower tilling depth to make certain the tines do not run across the ground WARNING Do not move the gear A selection handle with the wheels or tines engaged Make certain the unit is stopped completely before changing the gear selection e Squeeze the clutch control bail against the handle to engage the wheels and tines NOTE Make certain the gear selection indicator is correctly positioned before engaging the clutch handle If itis between gear
19. hildren 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 PREPARATION 1 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 shirts 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 injury or 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 a Use only an approved gasoline container b Extinguish all cigarettes cigars pipes and other source
20. his 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 normal 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 call
21. ield and the second hole from top of the depth stake Secure with hairpin clip e Insert hex bolt into the top hole of the depth stake assembly Place flat washer on hex bolt and thread T knob onto the hex bolt See Figure 1 Tighten securely e Tip the tiller back down so it rests on the depth stake transport position Attaching The Handle Assembly Remove Handle Bracket Figure 2 Remove top two bolts and flange lock nuts from handle mounting brackets as shown in Figure 2 Do not remove the bottom bolt and nut e Place handle assembly in position between the handle mounting brackets See Figure 2 e Line up holes in handle with holes in handle mounting brackets Secure with hardware removed in step 1 Slot Head Screw Nut Flat Washers Figure 3 Attaching The Clutch Cable Attach the clutch cable to the handle as follows be careful not to kink the cable e Remove threaded eyebolt and nut from the end of the cable e Route the clutch cable to the right side of the handle mounting brackets and underneath the handle e Push the cable through the hole in the center of the handle and snap in the plastic fitting See Figure 3 Remove slot head screw nut and two flat washers from the clutch bail e Fasten the threaded eyebolt onto bail as shown in Figure 4 The parts go together from top to bottom as follows Slot Head Screw Flat Washer Clip Eyebolt Flat Washer and 1 4 Nut Thread
22. information Choke Lever The choke lever is located to the left of the throttle It is used to enrich the fuel mixture in the carburetor when starting a cold engine See Engine manual for further information Gear Selection Assembly The gear selection handle is located in the center of the handle on the tiller It is used to select NEUTRAL REVERSE or one of the FORWARD modes see below Pull or push the handle so that the indicator on top of shift cover points to the operating mode desired See Figure 6 Tire Pressure The tires on your unit may be over inflated for shipping purposes Reduce the tire pressure before operating the unit Recommended operating tire pressure is approximately 20 p s i check sidewall of tire for tire manufacturer s recommended pressure 1 WARNING Maximum tire pressure under any circumstances is 30 p s i Equal tire pressure should be maintained on both tires NEUTRAL Transmission is in neutral REVERSE Reverse wheel drive FORWARD Modes Wheels Forward Forward wheel drive only Tines Reverse Forward wheel drive and reverse tine drive Tines Forward Forward wheel and tine drive WARNING Make certain unit is in NEUTRAL when starting the engine NOTE f difficulty is encountered in moving the gear selection handle move the tiller forward or backward slightly to allow the gears to synchronize Clutch Control Bail The clutch control bail is located below the handle See
23. ing 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 manufacturers 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 not extend any warranty for products sold or exported outside of the United States of America its possessions and territories except those sold through MTD s authorized channels of export 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
24. ke unit to authorized service dealer Refer to Controls section of operator s manual for proper shifting procedures Adjust control cable see assembly instructions Replace belt Tines skip over Improper rotation Forward rotation should only be used on soil that has ground already been tilled not on virgin soil Wheels do not Clevis pin missing Replace clevis pin engage Tiller is not being shifted properly Refer to Controls section of operator s manual for proper Control cable not adjusted properly Belt worn and or stretched shifting procedures Adjust control cable see assembly instructions Replace belt NOTE For repairs beyond the minor adjustments above contact your local authorized service dealer 13 SECTION 11 PARTS LIST FOR MODEL 454 Model 454 REF REF NO PART NO DESCRIPTION NO PART NO DESCRIPTION 1 611 0020 Wheel Shaft Ass y 33T 28 721 0378 Seal 1 0 Shaft 2 611 0021 Tine Shaft Ass y 18T 29 721 0379 Seal 75 Shaft 3 611 0128 Jack Shaft Ass y 31 726 0277 Taper Cap Ring 4 611 0129 Input Shaft Ass y 32 732 0496 Compression Spring 50 Lg 5 617 0058 Rev Idler Gear Ass y 30T 33 736 0163 Thrust Wash 1 03 I D x 1 62 6 617 0059 Ftine Idler Gear Ass y 30T 34 736 0351 Fl Wash 76 I D x
25. l Part No Code Description No N I 777530037 Model Plate Model 454 18 Model 454 REF REF NO PART NO DESCRIPTION NO PART NO DESCRIPTION 1 686 0111 Belt Cover Brkt Ass y 26 786 0186 Belt Keeper Brkt 2 710 0237 Hex Bolt 5 16 24 x 62 Lg 27 786 0187 Shift Cover Brkt 3 710 0412 Hex Bolt 1 4 28 x 75 Lg 28 786 0193 ldler Belt Keeper 4 710 0502A Hex Wash TT Sems Screw 3 8 16 x 29 634 0106 RH Wheel Ass y Comp 16 0 x 4 0 1 250 Lg 634 0107 ILH Wheel Ass y Comp 16 0 x 4 0 5 710 0591 Hex Bolt 3 8 24 x 1 00 734 0808 Tire Only 16 0 x 4 0 6 710 0599 Hex Wash Hd S Tap Scr 30 634 0108 Wheel Rim Ass y Comp 7 710 0723 Hex Cap Screw 3 8 16 x 1 25 31 734 0255 Air Valve 8 1712 0266 Ctr Lock Jam Nut 3 8 16 32 711 1017 Clevis Pin 9 712 0267 Hex Nut 5 16 18 33 714 0104 Internal Cotter Pin 10 714 0104 Internal Cotter Pin 34 710 0506 Hex Bolt 1 2 13 x 5 00 Lg 11 736 0104 Hairpin Clip 35 712 3066 Hex Nut 1 2 13 Thd 12 736 0119 L Wash 5 16 I D 36 731 1595 Counterweight 13 1736 0176 Fl Wash 1 4 I D x 93 O D 37 736 0179 Fl Wash 510 I D x 1 0 O D 14 736 0271 Spring Wash 317 x 625 O D x 099 38 1736 0921 L Wash 1 2 Lg 15 736 0329 L Wash 1 4 I D 39 710 0653 Hex Screw 1 4 20 x 375 Lg 16 736 0452 Bell Wash 396 x 1 140 x 095 40 710 1017 Screw 1 4 14 x 625 Lg 17 738 0876 Shld Nut 7 16 2
26. n on its side Add 30 ounces of Benalene 920 grease Apply a bead of RTV or silicone sealant to the right half of the transmission all the way around the gear compartment Assemble the left half to it This grease can be obtained at your nearest authorized dealer Order part number 737 0300 Clutch Bail Lubricate the pivot point on the clutch bail and the cable at least once a season with light oil The control must operate freely in both directions Pivot Points Lubricate all pivot points and linkages at least once a season with light oil Tine Shaft Remove tines at least once a season and lubricate with oil Wheel Axle Remove the wheel assemblies at least once a season and lubricate with oil SECTION 8 MAINTAINING YOUR TILLER A WARNING Disconnect the spark plug wire and ground it against the engine before performing any repairs or maintenance Engine Refer to the separate engine manual for engine maintenance instructions Your engine is equipped with a oil drain pipe and cap located on the bottom right side of the engine which will help in draining the oil from the engine Always drain oil when it is warm To drain oil remove cap and drain oil into a suitable container Dispose of oil properly Maintain engine oil as instructed in the separate engine manual packed with your unit Read and follow instructions carefully Service air cleaner every ten hours under normal conditions Clean every hour under extr
27. per Pulle 4 y Brkt Brkt Figure 10 Tires Recommended operating tire pressure is approximately 20 p s i check sidewall of tire for tire manufacturer s recommended pressure Maximum tire pressure under any circumstances is 30 p s i Equal tire pressure should be maintained on both tires When installing a tire to the rim be certain rim is clean and free of rust Lubricate both the tire and rim generously Never inflate to over 30 p s i to seat beads A WARNING Excessive pressure over 30 p s i when seating beads may cause tire rim assembly to burst with force sufficient to cause serious injury e Refer to the engine manual for correct engine storage instructions e Wipe tines with oiled rag to prevent rust e Store tiller in a clean dry area Do not store next to corrosive materials such as fertilizer 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 SECTION 10 TROUBLE SHOOTING GUIDE Trouble Possible Cause s Corrective Action Engine fails to start Fuel tank empty or stale fuel 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 Fill tank with clean fresh gasoline Fuel will not last over
28. r in NEUTRAL start the engine Refer to the separate engine manual Standing on the right side of the tiller examine the belt inside the belt cover It should not be turning NOTE Do not put fingers under the belt cover If the belt turns without bail engaged adjust by unthreading the internally threaded tube at the end of the cable a few turns clockwise when standing in operator s position and then retighten the nut against the tube Now move the shift lever to FORWARD Wheels Forward position Carefully engage the clutch by lifting the clutch control bail against the handle The wheels should spin If the wheels do not spin with the unit in forward adjust by unthreading the tube at the end of the cable a few turns counter clockwise when standing in operator s position and then retighten the nut against the tube Recheck both adjustments and readjust as necessary NOTE A secondary cable adjustment is available if you reach the point that additional adjustment is needed Remove the belt cover and move the hex nuts at the other end of the cable towards the end of the casing Then readjust the hex nuts at the handle SECTION 4 KNOW YOUR TILLER Clutch Control Gear Selection Handle Height Adjustment Control Rod Cable Tie Figure 6 Throttle Control The throttle control lever is located on the engine It controls the engine speed and stops the engine See Engine manual for further
29. rews for proper tightness at freguent 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 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 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 AN INTO AVOID INJURY FROM ROTATING TINES KEEP HANDS FEET AND CLOTHING AWAY SECTION 2 LOOSE PARTS Handle Assembly CS 1 j jas Control x JX me Rod Ni j A iy j y
30. s the engine will stall To transport tiller do not engage the tines Select the wheel drive only WARNING Do not push down on the A handles so that the wheels are lifted off the ground while using the reverse tine drive or the tiller could move backward and cause personal injury For best results it is recommended the garden be tilled twice lengthwise then widthwise to pulverize the soil Remove the belt cover as described in the belt replacement section on page 12 Remove the hairpin clip and spring washer from the idler pulley rod See Figure 10 Move the idler pulley rod to the lower hole in the idler bracket See Figure 10 e Replace the spring washer and hairpin clip e Check clearance of the idler pulley rod to the indicator bracket by shifting to each forward mode as before Carburetor Adjustment WARNING If any adjustments are made A to the engine while the engine is running e g carburetor disengage all clutches and Never make unnecessary adjustments The factory settings are correct for most applications If tines Keep clear of all moving parts Be careful of heated surfaces and muffler adjustments are needed refer to the separate engine manual packed with your tiller SECTION 7 SERVICE Transmission The transmission is pre lubricated and sealed at the factory It requires no checking unless the transmission is disassembled To fill with grease lay the right half of the transmissio
31. s of ignition c Never fuel machine indoors d Never remove gas cap or add while the engine is hot or running e Allow engine to cool at least two minutes before refueling f Never over fill fuel tank Fill tank to no more than 1 2 inch below bottom of filler neck to provide space for fuel expansion g Replace gasoline cap and tighten securely h If gasoline is spilled wipe it off the engine and equipment Move machine to another area Wait 5 minutes before starting the engine i Never store the machine or fuel container inside where there is an open flame spark or pilot light e g furnace water heater space heater clothes dryer etc j To reduce a fire hazard keep machine free of grass leaves or other debris build up Clean up oil fuel spillage and remove any fuel soaked debris k Allow machine to cool at least 5 minutes before storing OPERATION ta Do not put hands and feet near rotating parts Contact with the rotating parts can amputate fingers 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 A 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 th
32. snap back Allow it to rewind slowly while keeping a firm hold on the starter handle e Repeat steps 3 and 4 until engine starts e As engine warms up and begins to operate evenly move choke lever gradually to RUN position If engine falters return to choke position then slowly move to RUN position e 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 Assembly Instructions Lo Stop Engine Move throttle control to the STOP position e Disconnect spark plug wire and ground to prevent accidentally starting while equipment is unattended NOTE After the first ten hours of operation recheck the clutch adjustment Refer to Checking the Clutch Adjustment section of the Assembly Instructions WARNING When operating the tiller for A the first time use the depth stake setting that gives 1 inch of tilling depth second hole from the top See Figure 7 Tilling depth is controlled by the depth stake which can be adjusted to five different settings See Figure 7 Adjust the side shields as shown in Figure 8 as you adjust the depth stake Be certain spark plug wire is disconnected and grounded against the engine When using the tiller for the first time use the second adjustment hole from the top 1 of tilling depth See Figure 7 When breaking up sod
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