Yard Machines 410 Tiller User Manual
Contents
1. Model 420 REF REF NO PART NO DESCRIPTION NO PART NO DESCRIPTION 1 735 0246 Vinyl End Plug 38 710 0118 Hex Bolt 5 16 18 x 75 Lg 2 647 0014 Clutch Control Ass y 39 710 3097 Carriage Bolt 3 8 16 x 1 Lg 3 710 1017 Torx Mach AB Tap Scr 40 712 0798 Hex Nut 3 8 16 Thd 4 786 0131 Handle Cover 43 712 3004A Hex Fl Tp L Nut 5 16 18 Thd 5 786 0098 Retaining Brkt R H 44 786 0076 Tine Shield Brkt R H 6 786 0118 Retaining Brkt L H 45 786 0077 Tine Shield Brkt L H 7 720 0278 Grip 2 Req d 46 711 0415 Clevis Pin 375 Dia 8 720 0210A Knob 47 786 0085 Tine Shield 9 712 3008 Hex Jam Nut 3 8 16 Thd 48 747 0432 Tiller Flap Rod 11 735 0127 Rubber Washer 49 726 0106 Cap Speed Nut 12 736 0204 Fl Wash 344 I D x 6 O D 50 710 0521 Hex Bolt 3 8 16 x 3 Lg 13 747 0902 Gear Shift Rod 51 786 0101A Shift Cover 14 714 0104 Hairpin Clip 52 710 1017 Torx Mach AB Tap Scr 15 649 0016 Handle Ass y 1 4 x 6 16 710 0896 Tap Scr 1 4 14 x 5 8 Lg 54 686 0071 Handle Positioner Brkt Ass y 17 726 0330 Cable Clip 55 686 0048 Handle Pivot Brkt Ass y 21 746 0916 Clutch Cable 56 784 0191 Hex Nut Retainer Brkt 22 786 0120 Depth Bar 57 712 0379 Hex Flange Nut 3 8 24 Thd 23 736 0117 Fl Wash 3 8 1 D x 5 8 O D 59 784 0190 Handle Adjustment Crank 24 710 0253 Hex Bolt 3 8 16 x 1 Lg 60 710 0189 Hex Bolt 5 16 18 x 3 Lg 28 715 0120 Spiral Pin 3 16 x 1 61 732 0493 Torsion Spring 29 686 0095 Shift Crank Ass y 62 712 032. 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 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 Operate tiller only in daylight or good artificial light Do not start tiller unless the shift lever if provided is in the neutral N position 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 leave 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
3. See Figure 14 Use This Position First Time Transport Position Hairpin Clip Hole for Lowest Shallowest Use This Hole for Highest Deepest Position Figure 15 When breaking up sod 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 10 3 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 4 To transport tiller lower the depth stake use top adjustment hole To adjust the depth stake remove the clevis pin and hairpin clip See Figure 14 Move the depth stake to the desired setting Secure with the clevis pin and hairpin clip To adjust the side shields remove the wing nuts See Figure 15 Move the side shield to the desired position Replace the wing nuts Tighten securely To operate the tiller 1 Selectthe depth stake setting 2 Start engine as instructed on page 9 Move gear selection handle to one of the forward modes or reverse 1 WARNING Do not move the gear selection handle with the wheels or tines engaged Make certain the unit is stopped completely before changing the gear selection A partial engagement may be necessary when
4. ATTACHING THE GEAR SHIFT ROD NOTE Model 420 tiller has two control rods The gear shift rod is the longer rod 1 Remove the T handle nut hairpin clip flat washer and rubber washer from the end of the gear shift rod Slide the rod up through the bracket on the front of the handle assembly use the right hand hole for Model 420 See Figure 7 2 Insert the end of the gear shift rod through the opening in the top of the shift cover and into the shift bracket See Figure 8 Secure with rubber washer first then flat washer and hairpin clip T Handles Gear Shift Rod Adjustment Rod Model 420 Only Figure 7 Gear Shift Rod Shift Cover Flat Washer ee J O WN Figure 8 3 Install the nut and T handle on the gear shift rod ATTACHING THE HANDLE ADJUSTMENT ROD Model 420 Only Rod Hairpin Clip Figure 9 1 Remove the T handle nut hairpin clip and rubber washer from the ends of the handle adjustment rod Slide the rod up through the left side of the bracket on the front of the handle assembly Refer to Figure 7 2 Slide the rubber washer on the unthreaded end of the handle adjustment rod Insert the end of the handle adjustment rod into the positioner bracket beneath the handle on top of the tine shield See Figure 9 Secure with hairpin clip 3 Reinstall the nut and T handle ATTACHING THE CLUTCH CABLE Handle Adjustment Flange Lock Nut Figure 10 1 Route the
5. e Inspect for damage e Repair or replace any damaged parts e 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 e 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 2 CHILDREN e Tragic accidents can occur if the operator is not alert to the presence of small children Children are often attracted to the tilling activity Never assume that children will remain where you last saw them Keep children out of the work area and under the watchful eye of a responsible adult other than the operator Be alert and turn the unit off if a child enters the area Never allow children under the age of 14 to operate the tiller 3 SERVICE Use extreme care in handling gasoline and other fuels They are extremely flammable and the vapors are explosive Store f
6. clutch cable underneath the handle and through the cable clip Be careful not to bend or kink the cable Refer to Figure 10 Remove one hex nut from the threaded casing on the end of the cable See Figure 11 77 End of Cable Cable Bracket Figure 11 Viewed beneath handle panel 2 Slip the wire up through the slot on the cable bracket underneath the handle Push the end of the casing up through the cable bracket Rethread the hex nut on the end of the cable Do not tighten at this time 3 Pull the cable upwards to obtain slack and from right to left hook the Z end of the cable into the bracket on the clutch control beneath the handle panel as shown in Figure 11 Tighten the nut against the cable bracket NOTE Do not overtighten control wire Too much tension may cause it to break FINAL CLUTCH ADJUSTMENT IMPORTANT Service the engine with oil and gasoline before checking this adjustment Refer to the separate engine manual packed with your tiller 1 Position the tiller so the front counterweight is against a solid object such as a wall With the gear selection lever in NEUTRAL start the engine Refer to Operation section NOTE Keep hands out of belt area while unit is operating 2 Standing on the right side of the tiller visually examine the belt inside the belt cover It should not be turning If the belt turns with the unit in neutral adjust by moving the hex nut below the cable brack
7. of operator s manual for proper 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 Models 410 415 Models 410 415 REF PART REF PART NO NO DESCRIPTION NO NO DESCRIPTION 1 735 0246 Vinyl End Plug 33 786 0090 Side Shield 2 647 0014 Clutch Control Ass y 34 786 0113 Rear Tine Shield 3 710 1017 Torx Mach AB Tap Scr 35 686 0044A End Cover Ass y 1 4x 62 Lg 36 738 0849 Hex Cap Bolt 5 16 18 x 1 25 4 786 0131 Handle Cover 38 710 3002 Hex Bolt 5 16 18 x 75 Lg 5 786 0098 Retaining Brkt R H 39 710 3097 Carriage Bolt 3 8 16 x 1 Lg 6 786 0118 Retaining Brkt L H 40 712 0798 Hex Ins L Nut 3 8 16 Thd 7 720 0278 Grip 2 Req d 43 712 3004A Hex Flange Top L Nut 8 720 0210A Knob 5 16 18 Thd 9 712 3008 Hex Jam Nut 3 8 16 Thd 44 786 0076 Tine Shield Brkt R H 11 735 0127 Rubber Washer 45 786 0077 Tine Shield Brkt L H 12 736 0204 Fl Wash 344 I D x 6 O D 46 711 0415 Clevis Pin 375 Dia 13 747 0902 Gear Shift Rod 47 786 0085 Tine Shield 14 714 0104 Hairpin Clip 48 747 0432 Tiller Flap Rod 15 649 0017 Handle Ass y 49 726 0106 Cap Speed Nut 16 710 0896 Tap Scr 1 4 14 x 5 8 Lg 50 710 0189 Hex Bolt 5 16 18 x 3 Lg 17 726 0330 Cable Clip 51 786 0101A Shift Cover 410 420 21 746 0916 Clutch Cable 786 0168 Shift Cover 415 22 786 0120 D
8. over 30 p s i to seat beads BELT REPLACEMENT CAUTION 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 required order belt or belts by part number from your nearest authorized dealer Part No 754 0438 V Belt 1 Disconnect and ground the spark plug wire against the engine 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 2 Remove the belt cover from the left side of the tiller as follows Remove two torx head screws from the top of belt cover Remove two hex cap nuts and flat washers from front side of the belt cover Remove the hex nut and flat washer at the back of the cover 3 Remove the belt keeper assembly located behind the engine pulley by removing two hex bolts and lock washers See Figure 16 4 Remove belt Reassemble new belt following instructions in reverse order NOTE Upon reassembly make certain the belt is routed over the idler pulley and inside of belt keepers by engine pulley See Figure 16 Engine Pulley aoe IN uti gt FE Belt Keeper Belt Keeper Pulley Figure 16 SECTION 12 OFF SEASON STORAGE If the tiller will not be used for a period longer than 30 days t
9. right half of the transmission on its side Add 22 ounces of Benalene 920 grease Assemble the left half to it This grease can be obtained at your nearest authorized dealer Order part number 737 0300 SECTION 11 MAINTENANCE 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 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 extremely 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 11 CARBURETOR ADJUSTMENT A WARNING If any adjustments are made to the engine while the engine is running e g carburetor disengage all clutches and tines Keep clear of all moving parts Be careful of heated surfaces and muffler Never make unnecessary adjustments The factory settings are correct for most applications If adjustments are needed refer to the separate engine manual packed with your tiller Clutch Handle Lubricate the pivot point on the clutch handle and the cable at least onc
10. throttle control lever is located on the engine It controls the engine speed and stops the engine See Figure 13 CHOKE LEVER Model 410 420 The choke lever is located above the throttle It is used to enrich the fuel mixture in the carburetor when starting a cold engine See Figure 13 PRIMER BUTTON Model 415 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 13 DEPTH STAKE The depth stake controls the tilling depth Refer to How to Use Your Tiller section on page 10 HANDLE ADJUSTMENT See Figure 12 The handle may be adjusted to the height desired Loosen the handle height adjustment lock a few turns Pivot handle up or down to desired position Tighten lock On Model 420 the handle may also be adjusted to be in line with the tiller or swung to the left or right so the operator is not walking in the freshly tilled soil To adjust the handle position from side to side pull the handle adjustment handle back pivot the tiller handle to desired position and release the handle SECTION 7 OPERATION NOTE Engine is shipped without oil BEFORE STARTING 1 Service engine with oil as instructed in the separate engine manual packed with your unit 2 Fill fuel tank with clean fresh lead free low lead or regular grade leaded gasoline TO START ENGINE NOTE When pushing the unit with the engine off you will he
11. will be covered ONLY IF caused by defects in material or workmanship of OTHER component parts Normal wear parts are defined as batteries belts blades blade adapters grass bags rider deck wheels seats snow thrower skid shoes shave plates and tires How to obtain service Warranty service is available with proof of purchase through your local authorized service dealer To locate the dealer in your area please check the yellow pages or contact the Customer Service Department of MTD PRODUCTS INC P O Box 368022 Cleveland Ohio 44136 9722 Phone 1 800 800 7310 The return of a complete unit will not be accepted by the factory unless prior written permission has been extended by the Customer Service Department of MTD PRODUCTS INC Transportation charges Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser Units exported out of the United States MTD PRODUCTS INC does not extend any warranty for P 4 MTD products sold or exported outside of the United States of America its possessions and territories except those sold through MTD PRODUCTS INC s authorized channels of export distribution Other Warranties 1 The engine or component parts thereof carry separate warranties from their manufacturers Please refer to the applicable manufacturer s warranty on these items 2 Batteries are covered by a 90 day replacement warranty 3 Log splitt
12. 75 Hex L Nut 3 8 16 Thd 30 711 0415 Clevis Pin 63 748 0375 Handle Swing Link 31 714 0149B Hairpin Clip 64 736 0317 Bell Wash 5 8 I D 32 642 0015 Tine Ass y L H 65 712 0386A Hex Slotted Nut 5 8 18 Thd 642 0016 Tine Ass y R H Not Shown 66 714 3021 Cotter Pin 1 8 x 1 5 8 33 786 0090 Side Shield 67 747 0901 Handle Adjustment Rod 34 786 0113 Rear Tine Shield 68 712 0421 Knob 5 16 18 Thd 35 686 0044A End Cover Ass y 69 736 0169 L Washer 3 8 1 D 36 738 0849 Hex Screw 5 16 18 x 75 Lg MANUFACTURER S LIMITED WARRANTY FOR YARD MACHINES lr For TWO YEARS from the date of retail purchase within the United States of America its possessions and territories MTD PRODUCTS INC will at its option repair or replace for the original purchaser free of charge any part or parts found to be defective in material or workmanship This warranty covers units which have been operated and maintained in accordance with the operating instructions furnished with the unit and which have not been subject to misuse abuse commercial use neglect accident improper maintenance or alteration Normal wear parts or components thereof are subject to separate terms as noted below in the No Fault Ninety Day Consumer Warranty clause All normal wear part failures will be covered on this product for a period of 90 days regardless of cause After 90 days but within the two year period normal wear parts failures
13. MT YARD MACHINES lr OPERATOR S MANUAL REAR TINE TILLER Models 410 Thru 420 For A Growing World 1 4 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 368022 Cleveland Ohio 44136 9722 MTD PRODUCTS INC P O BOX 368022 CLEVELAND OHIO 44136 9722 PRINTED IN U S A FORM NO 770 8879A SECTION 1 IMPORTANT SAFE OPERATION PRACTICES WARNING THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH IF A 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 the State of Cali
14. ar a ratcheting sound gear noise which is normal WARNING Be sure no one is A standing in front of the tiller while the engine is running or being started Model 410 420 1 Place gear selection lever in NEUTRAL 2 Place the throttle control lever in FAST position See Figure 13 3 Move choke lever to CHOKE position NOTE A warm engine may not require choking _ Throttle Control Choke Model 410 420 Model 415 Figure 13 4 Stand at side of tiller Grasp the starter handle and pull out slowly until it pulls slightly harder Let rope rewind slowly 5 Pull starter handle rapidly Do not allow handle to snap back Allow it to rewind slowly while keeping a firm hold on the starter handle 6 Repeat steps 4 and 5 until engine starts 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 Refer to engine manual for additional engine information Model 415 1 Place gear selection lever in NEUTRAL 2 Place the engine speed control in the START position 3 Push primer two 2 or three 3 times see Figure 13 Wait about two 2 seconds between each push NOTE Primer may be needed to restart a warm engine after a short shutdown 4 Stand at side of tiller Grasp the starter handle and pull out slowly until it pulls slightly harder Let rope rewind slowly 5 Pull
15. e 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 Shafts Remove tine assemblies lubricate the tine shafts at least once a season Wheel Shafts Remove wheel assemblies and lubricate the axle shafts at least once a season and 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 TIRES Recommended operating tire pressure is approximately 14 p s i on 14 inch tires and 20 p s i on 16 inch tires 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
16. ealer or the MTD customer support department e Every tiller has a model plate You can locate it by standing in the operating position behind the unit and looking down at the center of the rear tine cover e The model plate will look like Figure 2 This is where your model number will be XXX X XXX X XXX XXXXXXXXXXX This is where your serial number will be Copy the model number here MTD MTD PRODUCTS INC J Copy the serial number here CLEVELAND OHIO 44136 Figure 2 SECTION 3 CALLING CUSTOMER SUPPORT If you are having difficulty assembling this product or if you have any question regarding the controls operation or maintenance of this unit please call the Customer Support Department You can reach them by calling i 1 800 800 7310 Before you call make sure that you have both your model and serial number ready By having the model and serial number ready you help the Customer Support Representative give you faster service To find your units model and serial number see SECTION 2 FINDING YOUR MODEL NUMBER SECTION 4 UNPACKING TO REMOVE UNIT FROM CARTON 5 Roll or slide unit out of carton Check carton 1 Remove staples break glue on top flaps or cut mori eros e paris tape at carton end and peel along top flap to 6 Extend control cable and lay on the floor Be open carton careful not to bend or kink control cable 2 Remove loose parts included with unit Le IMPORTANT This unit i
17. el Ass y Comp R H 420 13 754 0438 V Belt 634 0107 Wheel Ass y Comp L H 420 14 686 0031 Belt Keeper Brkt 734 1796 Tire Only 410 15 736 0119 L Wash 5 16 1 D 734 0808 Tire Only 420 16 710 0237 Hex Bolt 5 16 24 x 62 Lg 34 619 0009 Frame Counterweight 17 738 0876 Shld Nut 35 710 1007 Hex TT Tap Scr 3 8 16 Thd 18 712 0266 Hex Jam L Nut 3 8 16 Thd 36 710 3002 Hex Bolt 5 16 18 x 1 Lg Gr 5 19 756 0405 Fl Idler w Flanges 37 712 3004A Hex Flange L Nut 5 16 18 Thd 20 710 0152 Hex Bolt 3 8 24 x 1 Lg 38 Engine 21 736 0217 L Wash 3 8 1 D 41 686 0043A Tine Shield Brkt Ass y 22 736 0258 Fl Wash 3 8 1 D x 1 O D 42 710 3038 Hex Bolt 5 16 18 x 7 8 Lg 23 756 0972 Outer Engine Pulley Half 43 736 0256 Wash FI 635 1 D x 930 O D x 03 Models 410 415 420 REF REF NO PART NO DESCRIPTION NO PART NO DESCRIPTION 1 721 0295 Chain Case Gasket 30 736 0541 Fl Wash 7 16 1 D x 1 3 8 O D 2 786 0086 Reinforcement Plate 31 617 0002 Gear and Sprocket Ass y 3 716 0865 Snap Ring 32 738 0884 Jack Shaft 5 Lg 4 750 0938 Spacer 735 D x 886 O D 33 750 0931 Spacer 636 I D x 86 O D 5 611 0058 Wheel Shaft 35 717 1411 Spur Gear 10T 6 717 1458 Spur Gear 46T 36 750 0930 Spacer 1 5 1 D x 1 76 O D 8 736 0351 Fl Wash 76 I D x 1 5 O D 37 713 0436 Sprocket 41 Chain 9 721 0379 Shaft Seal 38 717 1405 Reverse Gear 46T 10 736 0518 Thr Wash 445 1 D x1 92 O D x 060 39 736 0518 Thrust Was
18. engaging tines Refer to Controls section on page 8 4 Squeeze the clutch handle 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 it is between gears the engine will stall To transport tiller do not engage the tines Select the wheel drive only A For best results it is recommended the garden be tilled twice lengthwise then widthwise to pulverize the soil WARNING Do not push down on the handles so that the wheels are lifted off the ground while using the tine drive or the tiller could move backward and cause personal injury SECTION 9 ADJUSTMENTS HANDLE ADJUSTMENT The handle height may be adjusted On Model 420 the handle may also be adjusted to be in line with the tiller or swung to the left or right Refer to the Control 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 final clutch adjustment in Assembly Instructions SECTION 10 LUBRICATION Transmission The transmission is pre lubricated and sealed at the factory lt requires no checking unless the transmission is disassembled To fill with grease lay the
19. epth Bar 52 710 1017 Torx Mach AB Tap Scr 1 4 x 23 736 0117 Fl Wash 3 8 I D x 5 8 O D 54 786 0109 Handle Brkt L H 24 710 0253 Hex Bolt 3 8 16 x 1 Lg 55 786 0108 Handle Brkt R H 28 715 0120 Spiral Pin 3 16 x 1 56 784 0191 Hex Nut Retainer Brkt 29 686 0095 Shift Crank Ass y 57 712 0379 Hex Flange Nut 3 8 24 Thd 30 711 0415 Clevis Pin 58 750 0885 Spacer 322 Dia 31 714 0149B Hairpin Clip 59 784 0190 Handle Adjustment Crank 32 642 0015 Tine Ass y L H 60 712 0421 Knob 5 16 18 Thd 642 0016 Tine Ass y R H Not Shown 61 736 0169 L Washer 3 8 1 D Models 410 415 420 REF REF NO PART NO DESCRIPTION NO PART NO DESCRIPTION 1 710 0118 Hex Bolt 5 16 18 x 75 Lg 24 756 0971 Inner Engine Pulley Half 2 712 3004A Hex Top L Nut 5 16 18 Thd 25 786 0080 Idler Bracket 3 786 0107 Cable Mig Bracket 26 710 0723 Hex Bolt 3 8 16 x 1 25 Lg 4 710 1017 Torx Mach AB Tap Scr 1 4 x 6 Lg 27 746 0916 Clutch Cable 5 738 0899 Belt Cover Bolt 28 734 0255 Air Valve 6 786 0117 Shift Cover Bracket 29 714 0104 Hairpin Clip 7 786 0100 Belt Cover 30 711 1017 Clevis Pin 8 736 0142 Fl Wash 281 I D x 5 O D 31 634 0112 Rim Only 410 9 712 0392 Hex Cap Nut 1 4 28 Thd 634 0108 Rim Only 420 10 756 0634 Flat Pulley 8 O D 32 634 0110 Wheel Ass y Comp R H 410 11 736 0105 Bell Wash 38 1 D x 88 O D 634 0111 Wheel Ass y Comp L H 410 12 712 0379 Hex Flange Nut 634 0106 Whe
20. er pumps valves and cylinders or component parts thereof are covered by a one year warranty 4 All other warranties express or implied including any implied warranty of merchantability or fitness for a particular purpose are hereby expressly disclaimed in their entirety 5 The provisions as set forth in this warranty provide the sole and exclusive remedy of MTD PRODUCTS INC s obligations arising from the sales of its products MTD PRODUCTS INC will not be liable for incidental or consequential loss or damage 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 Certain disclaimers are not allowed in some states and therefore they may not apply to you under all circumstances NOTE This warranty does not cover routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as brake adjustments clutch adjustments or deck adjustments Nor does this warranty cover normal deterioration of the exterior finish due to use or exposure
21. et down a few turns See Figure 11 Tighten the upper hex nut against the bracket 3 Now move the shift lever to FORWARD Wheels Forward position Carefully engage the clutch by squeezing the clutch handle against the handle The wheels should spin 4 If the wheels do not spin with the unit in forward adjust by moving the hex nut which is above the cable bracket up a few turns Tighten the bottom hex nut against the bracket Recheck both adjustments and readjust as neces sary Make certain hex nuts at cable bracket are tight do not overtighten control cable NOTE If additional adjustment is required it may be necessary to remove the belt cover and move the hex nuts at the other end of the clutch cable to increase belt tension 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 14 p s i on 14 inch tires and 20 p s i on 16 inch tires Check sidewall of tire for tire manufacturer s recommended pressure WARNING Maximum tire pressure A under any circumstances is 30 p s i Equal tire pressure should be maintained on both tires SECTION 6 CONTROLS Gear Selection Handle Handle Height Adjustment Handle Lock Adjustment Clutch A Handle Side to Side Bail Model 420 Only As Figure 12 GEAR SELECTION HANDLE The gear selection handle is located on the fro
22. fornia to cause cancer birth defects or other reproductive harm WARNING The Engine Exhaust from this product contains chemicals known to manual As with any type of power equipment carelessness or error on the part of the operator can DANGER Your tiller was built to be operated according to the rules for safe operation in this A 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 1 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 completely 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 Your tiller is a powerful tool not 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 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 Do not operate tiller while under the influence of alcohol or drugs
23. h 445 I D x 1 92 11 686 0039 Gear Case Ass y Half L H 40 618 0245A Shifter Ass y 12 750 0935 Spacer 635 D x 1 O D x 78 41 717 1409 Spur Gear 17T 13 738 0885 Jack Shaft 2 06 Lg 42 736 0442 Fl Wash 69 I D x 1 06 O D 14 750 0936 Spacer 635 D x 1 O D x 43 732 0614 Wire Ring 37 Thk 44 718 0234 Clutch Collar 15 617 0004 Gear Idler Ass y 45 716 0235 Retaining Ring 875 Shaft 16 712 3067 Hex Patch L Nut 7 16 20 Thd 46 711 1087 Drive Shaft 17 736 0407 Bell Wash 45 I D x 1 O D 47 713 0435 Sprocket 11T 18 712 0378 Hex Nut 7 16 20 Thd 49 717 1451A Spur Gear 16T 19 710 0896 Hex Wash Hd TT Tap Scr 1 4 20 50 736 0336 Fl Wash 5 8 I D x 1 O D x 5 Lg 51 741 0124 Ball Bearing 669 I D 20 732 0863 Spring Detent 52 736 0329 L Wash 1 4 1 D 21 741 0862 Ball Detent 53 710 0258 Hex Bolt 1 4 20 x 62 Lg 22 721 0378 Shaft Seal 55 741 0563 Ball Bearing 23 736 0163 Thrust Wash 1 03 1 D x 1 62 56 736 0512 Fl Wash 281 I D x 875 O D 24 750 0570 Spacer 1 1 D x 2 O D x 5 Thk 57 686 0094 Gear Case Ass y Comp 26 611 0021 Tine Shaft Ass y 58 718 0237 Key Drive Shaft Not Shown 27 713 0226 Chain 50 5 8 Pitch x 52 59 736 0265 Fl Wash 88 I D x 1 5 O D Links Endless 60 726 0331 Button Plug 28 713 0233 Chain 41 1 2 Pitch x 30 61 750 0987 Spacer 1 52 I D Links Endless 737 0300 Grease 40 oz Req d 29 686 0038 Gear Case Ass y Half R H Model 420
24. he following steps should be taken to prepare the tiller for storage 1 Clean the exterior of engine and the entire tiller thoroughly Lubricate the tiller as described in the lubrication instructions Refer to the engine manual for correct engine storage instructions 12 3 Wipe tines with oiled rag to prevent rust 4 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 13 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 Faulty spark plug Engine flooded 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 Pulley and idler not in correct adjustment Not shifting pro
25. lies Secure with hairpin clip 5 Insert hex bolt into the top hole of the depth stake assembly Place flat washer on the hex bolt and thread T knob onto the hex bolt See Figure 3 Tighten securely 6 Tip the tiller back down so it rests on the tines Attaching the Handle Assembly 1 Remove the Handle Adjustment Lock Flange Nut Retainer Bracket Shoulder Bolt and Lock Nut from the Pivot Bracket 2 Place the handle assembly in position in the handle pivot bracket lining the upper holes in the handle with the slots in the pivot bracket See Figure 4 Flange Nut Retainer Bracket Shoulder Bolt Handle Adjustment Lock Nut Lock Flange Nut Pivot Bracket Figure 4 3 Lift up the handle assembly and align the bottom holes in the handle assembly with the holes in the pivot bracket Insert hex bolt with Hex nut retainer attached through the round hole The head of hex bolt and retainer bracket should be to the right hand side of the unit See Figure 5 Flange Nut Retainer Bracket Shoulder Bolt peek Nut Figure 5 4 Place the hex opening of the hex nut retainer bracket over the flange nut securing the handle adjustment lock and install the lock nut on the lower shoulder bolt See Figure 6 Hex Hole in Retainer Bracke over Flange Nut Handle Adjustment Lock Figure 6 5 Pivot handle assembly into position desired Tighten the bottom bolt and nut securely Tighten the handle adjustment lock
26. nt of the handle assembly right hand handle on Model 420 It is used to select NEUTRAL REVERSE or one of the FORWARD modes This tiller is designed for the gear selection handle to be moved while the engine is running It will be difficult to obtain all four positions with the engine off Pull or push the handle so that the indicator on top of shift cover points to the area of the operating mode desired See Figure 12 NOTE If difficulty is encountered in moving the gear selection handle refer to following helpful hints To shift into forward or reverse wheel drive move tiller forward slightly then backward to allow the gears to synchronize To shift into forward wheels and tine drive push forward slightly on the gear selection handle and slowly engage the clutch handle allowing the gears to synchronize To stop forward movement and tine drive release the clutch handle Do not shift gears with the clutch handle engaged except when engaging the tines REVERSE Reverse wheel drive only NEUTRAL Transmission is in neutral FORWARD Modes Wheels Forward Forward wheel drive only Tines Reverse Forward wheel drive and reverse tine drive WARNING Make certain unit is in A NEUTRAL when starting the engine CLUTCH HANDLE Bail The clutch handle bail is located beneath the handle See Figure 12 Squeezing the clutch handle against the handle engages the wheel and tine drive mechanisms THROTTLE CONTROL The
27. perly Control cable not adjusted properly Belt worn and or stretched 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 Take 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 Wheels do not engage Clevis pin missing Tiller is not being shifted properly Control cable not adjusted properly Belt worn and or stretched Replace clevis pin Refer to controls section
28. 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 NOTE If engine fails to start after three 3 pulls push primer two 2 times and pull starter rope again 6 Repeat steps 4 and 5 until engine starts Refer to engine manual for additional engine information NOTE After starting and prior to using the tiller for the first time be certain to check the clutch adjustment as described in Checking the Clutch Adjustment section of the Assembly Instructions TO STOP ENGINE 1 Move throttle control to STOP or OFF position 2 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 final clutch adjustment in Assembly Instructions SECTION 8 HOW TO USE YOUR TILLER WARNING When operating the tiller for the first time use the depth stake setting that gives 1 inch of tilling depth second hole from the top Refer to Figure 14 A Tilling depth is controlled by the depth stake which can be adjusted to five different settings See Figure 14 Adjust the side shields as shown in Figure 15 as you adjust the depth stake Be certain spark plug wire is disconnected and grounded against the engine 1 When using the tiller for the first time use the second adjustment hole from the top 1 of tilling depth
29. s shipped WITHOUT owner s manual etc GASOLINE or OIL After assembly see separate 3 Cut along dotted lines and lay carton down flat engine manual for proper fuel and engine oil 4 Remove packing material recommendations SECTION 5 ASSEMBLY INSTRUCTIONS This instruction manual covers several different model tillers Follow only those instructions which pertain to your unit NOTE Left and right is determined from the operator s position standing behind the tiller TOOLS REQUIRED FOR ASSEMBLY 2 1 2 Wrenches 1 9 16 Wrench 1 Pair of Pliers Two adjustable wrenches may be used LOOSE PARTS IN CARTON 1 Depth Stake 1 Handle Assembly 1 Shift Rod 1 Handle Adjustment Rod Model 420 Only NOTE All hardware needed for assembly is attached to the loose parts or the tiller ATTACHING THE DEPTH STAKE ASSEMBLY T Knob Flat Washer Hex Bolt Tine Shield Hinge Flap Clevis Pin Hairpin Clip Depth Stake Figure 3 1 Tip the tiller forward so it rests on front counterweight 2 Unthread the T knob from the top of the depth stake and remove the flat washer and hex bolt Remove the hairpin clip from the clevis pin See Figure 3 3 Raise the tine shield hinge flap assembly Insert the depth stake assembly in the slot under the tine shield and up through the tine shield assembly as shown in Figure 3 4 Insert clevis pin through the tine shield and depth stake assemb
30. 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 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 WARNING AVOID INJURY FROM ROTATING TINES KEEP HANDS FEET AND CLOTHING AWAY Figure 1 Safety labels found on your unit 3 SECTION 2 FINDING YOUR MODEL NUMBER This Operator s Manual is an important part of your new tiller It will help you assemble prepare and maintain your tiller Please read and understand what it says Before you start to prepare your tiller for its first use please locate the model plate and copy the information from it in this Operators Manual The information on the model plate is very important if you need help from your d
31. uel 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 A WARNING TO AVOID INJURY 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 e SHUT OFF ENGINE BEFORE UNCLOGGING TINES OR MAKING REPAIRS e KEEP BYSTANDERS AWAY FROM MACHINE e KEEP AWAY FROM ROTATING PARTS e USE EXTREME CAUTION WHEN REVERSING OR PULLING THE MACHINE TOWARDS YOU 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 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 and muffler free of leaves grass and other debris build up Clean up fuel and oil spillage Allow unit
Download Pdf Manuals
Related Search