Yard-Man 21A-448-401 User's Manual
Contents
1. YARD MAN r dares y v OUTDOOR POWER EQUIPMENT Owner s Manual REAR TINE TILLER Model 21A 448 401 e ASSEMBLY e OPERATION e MAINTENANCE Thank you for purchasing an American built product 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 RINTED IN U S A FORM NO 770 8606M IMPORTANT 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 A A DANGER WHEN YOU SEE THIS SYMBOL2. Keep all shields guards and safety devices in place and operat ing properly Use caution when tilling near fences buildings and under ground 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 il CHILDREN 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 1 2 3 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 1 Use extreme care in handling gasoline and other fuels They are extremely flammable and the vapors are explosive a 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
3. OPERATION WARNING Before operating the tiller be certain to read How to Use Your Tiller on pages 10 and 11 Use the reverse tine drive when tilling virgin ground sod or hard soil Use the forward tine drive when cultivating or tilling soft ground A NOTE Engine is shipped without oil BEFORE STARTING 1 Service engine with oil as instructed in the sepa rate engine manual packed with your unit 2 Fill fuel tank with clean fresh lead free low lead or regular grade leaded gasoline ING IN FRONT OF THE TILLER WHILE THE 1 Place gear selection lever in NEUTRAL TO START ENGINE WARNING BE SURE NO ONE IS STAND A ENGINE IS RUNNING OR BEING STARTED Place the engine speed control in the START posi tion 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 Pull rope with a rapid full arm stroke Do not allow handle to snap back Allow it to rewind slowly while keeping a firm hold on the starter handle NOTE f 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 engine a
4. A HEED ITS WARNING SAFE OPERATION PRACTICES This tiller is capable of amputating hands and feet Failure to observe the following safety instructions could result in serious injury or death i GENERAL OPERATION com 10 11 12 13 14 Read this owner s guide carefully in its entirety before attempt ing 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 exer cise 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 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 co
5. LOOSE PARTS IN CARTON Handle Assembly _ _ __ Control Rod gt Handle Rapa Adjustment Rod Assembly CONTENTS OF HARDWARE PACK Remove this sheet from your owner s guide and lay out the hardware according to the illustration for identification Part numbers are shown in parentheses Al ATTACHING THE DEPTH STAKE ASSEMBLY ATTACHING THE CLUTCH CABLE T Knob Hex Bolt Long Hairpin Clip 710 0253 714 0149B Clevis Pin 711 0415 Flat Washer 3 8 I D x 5 8 O D 736 0117 Cable Hold Down 746 0605 Hex Bolt 3 8 16 x 3 1 4 Long 710 0644 Cupped Lock 318 LD x 784 0190 7 8 O D 736 0105 Flange Nut ere 712 0379 3 8 16 Thread Hex Nut 712 0798 Retainer Bracket 784 0191 D ATTACHING THE RODS Large T Knob 720 0209 Flat Washer 13 32 I D x 1 1 4 O D i T Knob 736 0133 720 0210A Rubber Washer 735 0127 Cotter Pin 714 0507 Hairpin Clip 714 0104 reu tan ar lA aT 4 Shown 1 2 size 6 1 2 3 INCHES sy Buoy ng MMM 6 Never tamper with safety devices Check their proper operation regularly 7 Do not alter or tamper with the engine s governor setting The governor controls the maximum safe operating speed of the OWNER S MANUAL engine Over speeding the engine is dangerous and w
6. engine to cool at least two minutes before refueling b Replace gasoline cap securely and wipe off any spilled gaso line before starting the engine as it may cause a fire or explosion c Extinguish all cigarettes cigars pipes and other sources of ignition d Never refuel unit indoors because flammable vapors will accumulate in the area e 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 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 continued on page 5 t 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
7. 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 0434 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 CAUTION Do not use an off the shelf belt 2 Remove the belt cover from the left side of the tiller as follows See figure 16 a Remove two self tapping screws and flat washers from the top of belt cover b Remove the hex cap nut and flat washer from the side of the belt cover Remove the hex nut and flat washer at the bottom of the front of the cover Self Tapping Screws Flat Washers Belt Cover Ys Hex Cap Nut Flat Washer Flat Washer FIGURE 16 3 Remove the hex bolt belt keeper located beneath the engine pulley See figure 17 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 17 Belt Keeper FIGURE 17 13 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 1 Clean the exterior of engine and the entire tiller thoroughly Lubric
8. D 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 12 NOTE f difficulty is encountered in moving the gear selection handle move the tiller forward or backward slightly to allow the gears to synchronize 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 A WARNING Make certain unit is in NEUTRAL when starting the engine CLUTCH LEVER The clutch lever is located on the left handle See figure 12 Squeezing the clutch lever against the han dle 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 How to Use Your Tiller section on page 10 HANDLE ADJUSTMENT See Figure 12 The handle may be adjusted to be in line with the tiller or swung to the left or right so the operator is not walk ing in the freshly tilled soil To adjust the handle position from side to side pull the handle adjustment lever back pivot the tiller handle to desired position and release the lever The handle may also 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
9. Place flat washer then rubber washer on the hooked end of control rod Insert end of control rod into the indicator bracket on top of the shift cover and secure with hairpin clip See figure 9 4 With the handle adjustment rod beneath the handle assembly insert the hooked end of handle adjustment rod into the positioner bracket from right hand outside in as shown in figure 10 Secure with cotter pin bending ends of pin in opposite directions 5 Loosen the adjustment lever and pivot handle assembly into position desired Tighten securely the bottom bolt and nut Tighten the handle adjust ment lock CHECKING THE CLUTCH ADJUSTMENT IMPORTANT Service the engine with oil and gaso line before checking this adjustment Refer to the separate engine manual packed with your tiller for proper fuel and engine oil recommendations a 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 the separate engine manual b 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 with the unit in neutral adjust by moving the hex nut below the cable bracket down two full turns See figure 11 Tighten the upper hex nut against the bracket c Now move the shift lever to FORWARD Wheels Forward position Carefully engage the cl
10. ard so it rests on front counter weight 2 Raise the tine shield hinge flap assembly Insert the depth stake assembly between the two shoul der bolts under the tine shield and up through the tine shield assembly as shown in figure 1 3 Insert clevis pin through the tine shield tabs and second hole from the top of the depth stake Secure with hairpin clip 4 Insert hex bolt into the top hole of the depth stake assembly Place flat washer onto the hex bolt and thread T knob onto the hex bolt See figure 1 inset Tighten securely 5 Tip the tiller back down so it rests on the depth stake ATTACHING THE HANDLE ASSEMBLY assembly _ Flange Nut ee B Slot Place cupped washer onto hex bolt cup side of nonae washer away from bolt head Place hex nut ivo retainer bracket on hex bolt using the round hole in retainer bracket e 2 Place handle assembly in position in the handle pivot bracket Line up the holes in handie assem bly with the holes and slots in the pivot bracket See figure 2 Retainer Bracket _ 3 Insert hex bolt with washer and hex nut retainer assembled in step 1 attached through the bottom holes on the handle pivot bracket and handle 7 Hex Bolt assembly Head of the hex bolt should be to the Cupped Washer left hand side of the unit as shown in figure 2 FIGURE 2 4 Secure bottom of handle by placing cupped washer cupped side against the
11. ate the tiller as described in the lubrication instructions 2 Refer to the engine manual for correct engine storage instructions 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 TROUBLE SHOOTING GUIDE Trouble Possible Cause s Corrective Action Engine fails to start Spark plug wire disconnected Connect wire to spark plug Engine shut off switch in STOP Place engine shut off switch in ON position position Fuel tank empty or stale fuel Fill tank with clean fresh gasoline Throttle control lever not in Move throttle lever to FAST position correct starting position Engine flooded Crank engine with throttle in FAST position Faulty spark plug Clean adjust gap or replace Engine runs erratic Spark plug wire loose Connect and tighten spark plug wire Stale fuel Fill tank with clean fresh gasoline Vent in gas cap plugged Clear vent Water or dirt in fuel system Drain fuel tank Refill with fresh fuel Dirty air cleaner Clean air cleaner as instructed in separate engine manual Carburetor out of adjustment Adjust carburetor as instr
12. erformance Use MTD original equipment the best buy on the American Landscape American Made American Owned A WARNING The Engine Exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm
13. ill cause damage to the engine and to other moving parts of the machine A 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 ASSEMBLY INSTRUCTIONS IMPORTANT This unit is shipped WITHOUT GASO LINE or OIL After assembly see separate engine manual for proper fuel and engine oil recommen dations NOTE Left and right is determined from the operator s position standing behind the tiller TOOLS REQUIRED FOR ASSEMBLY 2 9 16 Wrenches 2 Adjustable Wrenches 1 Flat Blade Screwdriver 1 Pair of Pliers Two adjustable wrenches may be used Hex T Knob Bolt Tine Shield Flat Hinge Flap Washer Assembly FIGURE 1 TO REMOVE UNIT FROM CARTON 1 Remove staples break glue on top flaps or cut tape at carton end and peel along top flap to open carton 2 Remove loose parts included with unit i e owner s manual etc 3 Cut along dotted lines and lay carton down flat 4 Remove packing material 5 Roll or slide unit out of carton Check carton thoroughly for loose parts 6 Extend clutch cable from rear of belt cover and lay on the floor Be careful not to bend or kink clutch cable 7 Remove page 4 from this manual and lay out the hardware according to the illustration for identifi cation ATTACHING THE DEPTH STAKE ASSEMBLY agate A Tip the tiller forw
14. muffler Never make unnecessary adjustments The factory settings are correct for most applications If adjust ments are needed refer to the separate engine manual packed with your tiller LUBRICATION 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 transmission on its side Add 30 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 0030 Clutch Lever Lubricate the pivot point on the clutch lever 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 MAINTENANCE WARNING Disconnect the spark plug wire and ground it against the engine before performing any repairs or mainte nance 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 as instructed in the separate engine manual packed with your unit Read and f
15. nd 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 1 Move the engine speed control lever in the STOP position 2 Disconnect spark plug wire and ground to prevent accidentally starting while equipment unattended NOTE After the first ten hours of operation recheck the clutch adjustment Refer to Checking the Clutch Adjustment section of the Assembly Instructions 10 Oil Fill and Dipstick Starter Handle Carburetor Air Cleaner Oil Control Drain Plug FIGURE 13 A WARNING When operating the tiller for second hole from the top See figure 14 Adjust the side shields as shown in figure 15 as you 1 When using the tiller for the first time use the a A S e the first time use the depth stake setting that gives 1 1 2 inches of tilling depth Tilling depth is controlled by the depth stake which can be adjusted to five different settings See figure 14 adjust the depth stake Be certain spark plug wire is disconnected and grounded against the engine second adjustment hole from the top 1 1 2 of tilling depth See figure 14 Transport Use This Position Position First Time Hairpin Clip Side Hole f Shields ole for Lowest Shallowest Position Use This Hole for Highest Deepest Position FIGURE 15 2 When breaking up sod and fo
16. o obtain slack lift the clutch grip and insert the cable hold down into the clutch grip Secure with self tapping screw See lt figure 6 5 With the clutch lever released in the up position all the way forward adjust the bottom nut at the cable bracket so there is 1 2 of slack in the lt control wire as shown in figure 7 Tighten the upper nut against the bracket Carefully squeeze the clutch lever against the handle The control wire should now be straight NOTE Do not overtighten control wire Too much tension may cause it to break WARNING Be certain to check the clutch cable adjustment as instructed on page 8 of your owner s guide before operating the tiller 6 Secure drive cable to left handle using cable tie Refer to figure 8 Cut off excess end of cable tie Handle W Assembly Handle Adjustment Rod FIGURE 8 Flat Washer Control Rod Rubber Washer ee ST Indicator Bracket iN FIGURE 9 Handie Adjustment Rod FIGURE 10 ATTACHING THE RODS Hardware D 1 Insert the threaded end of control rod up through the plastic bushing on the left side of handle assembly See figure 8 Thread the large T knob on the end of control rod 2 Insert the threaded end of handle adjustment rod up through the plastic bushing on the right side of handle assembly Thread the small T knob on the end of handle adjustment rod 3
17. ollow instructions carefully Poor engine performance and flooding usually indicate that the air cleaner should be serviced IMPORTANT Never run your engine without air cleaner completely assembled 12 The spark plug should be cleaned and the gap reset every 100 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 per mit 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 approxi mately 12 p s i check sidewall of tire for tire manufac turers 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 gener ously Never inflate to over 30 p s i to seat beads A BELT REPLACEMENT A Your tiller has been engineered with a belt made of special material Kevlar Tensile for longer life and better performance It should
18. pivot bracket and hex nut on hex bolt Do not tighten at this time See figure 3 5 Place flange nut between hex nut retainer bracket and handle pivot bracket See figure 2 6 Line up holes in handle with slots in handle pivot bracket Insert handle adjustment lock through handle pivot bracket and handle assembly See lt figure 3 Thread end of handle adjustment crank into the flange nut in the retainer and tighten 7 Tighten the hex bolt at the bottom of the handle Adjustment assembly Lock FIGURE 3 ATTACHING THE CLUTCH CABLE Hardware C Attach the clutch cable to the left handle as follows be careful not to kink the cable 1 Route the clutch cable to the left side of the tiller and underneath the handle Remove one hex nut from the end of the casing on the clutch cable Thread the other nut all the way onto the threaded casing as far as it will go 2 Slip the wire through the slot on the cable bracket on the left handle Push the end of the casing up through the cable bracket Rethread the hex nut on the end of the cable casing four turns Do not lt tighten at this time See figure 4 Cable Bracket FIGURE 4 FIGURE 5 Self Tapping Screw Cable Hold Down FIGURE 6 1 2 of Slack Bottom Nu FIGURE 7 3 Hook the barrel end of the cable into the cable hold down Slide the cable around in the slot as shown in figure 5 4 Pull the cable upwards t
19. r shallow cultivation use the setting which gives 1 1 2 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 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 To adjust the side shields remove the wing nuts See figure 15 Place side shield in position desired Replace wing nuts and tighten securely 11 To operate the tiller 1 Select the depth stake setting 2 Start engine as instructed on page 10 3 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 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 completely before changing the gear selection 4 Squeeze the clutch lever against the handle to engage the wheels and tines WARNING Do not move the gear selec tion handle
20. ucted in separate engine manual Engine overheats Engine oil level low Fill crankcase with proper oil Air flow restricted 2 Remove blower housing and clean as instructed in separate engine manual Carburetor not adjusted Adjust carburetor as instructed in properly separate engine manual Tines do not engage Foreign object lodged in tines Dislodge foreign object Tine clevis pin s missing Replace tine clevis pin s Control cable not adjusted Adjust control cable see assembly properly instructions Belt worn and or stretched Replace belt Wheels do not engage Control cable not adjusted Adjust control cable see assembly properly instructions Belt worn and or stretched Replace belt NOTE For repairs beyond the minor adjustments listed above please contact your local service dealer 14 mela laicMeeesssories or Service Information eE E s00 800 7310 Model Number OOOUOUUOUUOUUO Serial Number OOOUUOUOUUOO Copy the information from your model plate here Product Number OHOOUUOUOUUUG May not fill all the above spaces The only way to ensure the performance of your product is to use original equipment parts and accessories MTD designs and engineers quality parts to exacting specifications When you substitute you take a chance on quality reliability safety and p
21. utch by squeezing the clutch lever against the left handle The wheels should spin If the wheels do not spin with the unit in forward adjust by moving the hex nut which is above the cable bracket up two full turns Tighten the bottom hex nut against the bracket 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 Hex Nuts FIGURE 11 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 12 p s i check sidewall of tire for tire manufacturer s recommended pressure WARNING Maximum tire pressure under A any circumstances is 30 p s i Equal tire pressure should be maintained on both tires CONTROLS Clutch Lever Handle Adjustment Side to Side Handle Height Adjustment Lock Gear Selection Handle Depth Stake Adjustment FIGURE 12 THROTTLE CONTROL The throttle control lever is located on the engine It controls the engine speed and stops the engine See figure 13 GEAR SELECTION HANDLE The gear selection handle is located toward the left side of the tiller It is used to select NEUTRAL REVERSE or one of the FORWAR
22. ver 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 vibra tion 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 e Inspect for damage 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 16 17 18 19 20
23. with the wheels or tines engaged Make certain the unit is stopped 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 WARNING Do not push down on the han A dies 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 ADJUSTMENTS HANDLE ADJUSTMENT The handle may be adjusted to be in line with the tiller or swung to the left or right The handle height may also be adjusted 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 to the tension on the belt refer to clutch adjustment information in Checking the Clutch Adjust ment section of the Assembly Instructions CARBURETOR ADJUSTMENT WARNING If any adjustments are made to A 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
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