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                        OWNER'S MANUAL
MODEL NO. HDR500M
5 HP 17 Inch
Tiller
 Assembly
 Operation
 Maintenance
 ServiceandAdjustments
 Storage
 Troubleshooting
 RepairParts
For Parts and Service, contact our authorized  distributor:  call 1-800-849-1297
For Technical Assistance:  call 1-800-829-5886
190388   03.23.04  TR
PRINTED IN U.S.A.                                                                                                                                                                                 
                    
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                        SAFETY RULES SAFE OPERATION PRACTICES FOR WALK-BEHIND POWERED ROTA  RY TILLERS     Never operate the tiller without proper guards, plates,  TRAINING or other safety protective devices in place.     Read the Owner’s Manual care ful ly. Be thor ough ly  fa mil iar with the controls and the proper use of the     Keep children and pets away. equip ment. Know how to stop the unit and disengage      Do not overload the machine capacity by attempting  the controls quickly. to till too deep at too f
                    
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                        PRODUCT SPECIFICATIONS CUSTOMER RESPONSIBILITIES     Read and observe the safety rules. Gasoline Capacity:                3 Quarts (2.8L)       Follow a regular schedule in maintaining, caring for                                               Unleaded Reg u lar and using your tiller. Oil (API-SF-SJ):                    SAE 30 (Above 32°F/0°C)      Follow instructions under “Maintenance” and “Storage”   (Capacity: 20 oz./0.6L)          SAE 5w-30 (Below 32°F/0°C) sections of this Owner’s Manual
                    
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                        ASSEMBLY Your new tiller has been assembled at the factory with exception of those parts left unassembled for shipping purposes.   To ensure safe and proper operation of your tiller, all parts and hardware you assemble must be tightened securely.  Use  the correct tools as necessary to insure proper tightness. TOOLS REQUIRED FOR ASSEMBLY FRONT A socket wrench set will make assembly easier.  Standard  wrench sizes are listed. (1) Utility knife (1) Tire pressure gauge (1) Pair of pliers LEFT RIGHT
                    
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                        ASSEMBLY     Grasp handle assembly.  Hold in “up” position.  Be sure  UNPACKING CARTON (See Fig. 2) handle lock remains in gearcase notch.  Slide handle  assembly into position. CAUTION:  Be careful of exposed  sta ples when handling or disposing  of cartoning material. HANDLE ASSEMBLY "UP" POSITION IMPORTANT: WHEN  UN PACK ING AND AS SEM BLING  TILLER, BE CAREFUL NOT TO STRETCH OR KINK CABLES.     While holding handle assembly, cut cable ties se cur ing  TIGHTEN HANDLE handle assembly to top 
                    
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                        ASSEMBLY ATTACH CLUTCH CABLE (See Fig. 6) CONNECT SHIFT ROD (See Fig. 7)     Hook end of clutch cable through hole in control bar      Insert end of shift rod into hole of shift lever indicator. bracket if necessary.     Insert hairpin clip through hole of shift rod to secure. SHIFT HAIRPIN SHIFT CONTROL BAR LEVER END OF CLIP ROD INDICATOR BRACKET CLUTCH CABLE CONTROL BAR  BRACKET CONTROL  FIG. 7 BAR REMOVE TILLER FROM CRATE     Make sure shift lever indicator is in “N” position (See  Fig. 7
                    
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                        OPERATION KNOW YOUR TILLER READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TILLER. Compare the illustrations with your tiller to familiarize yourself with the location of various controls and adjustments. Save  this manual for future reference. These symbols  may appear on your Tiller or in literature supplied with the product.  Learn and understand their  meaning. SHIFT LEVER THROTTLE CON TROL CHOKE CONTROL SHIFT LEVER  INDICATOR DRIVE CONTROL BAR DEPTH STAKE LEVELING SHIELD REC
                    
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                        OPERATION The operation of any tiller can result in foreign objects thrown into the eyes, which can  result in severe eye damage. Always wear safety glasses or eye shields before starting  your tiller and while tilling. We recommend a wide vision safety mask over spectacles or  standard safety glasses. 00155 HARD TO SHIFT GEARS HOW TO USE YOUR TILLER     Briefl y engage drive control bar and release or rock tiller  Know how to operate all controls before adding fuel and  forward and backward unt
                    
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                        OPERATION     For cold weather operation you should change oil for  TURNING easier starting (See oil viscosity chart  in the Mainte-     Release the drive control bar. nance sec tion of this manual).     Move throttle control to “SLOW” position.     To change engine oil, see the Maintenance section in      Place shift lever indicator in “F” (forward) position.  Tines  this manual. will not turn.     Lift handle to raise tines out of ground.     Swing the handle in the opposite direction y
                    
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                        OPERATION TO START ENGINE (See Fig. 13) TILLING HINTS CAUTION:  Keep drive control bar in  CAUTION:  Until you are accustomed to  “DISENGAGED” position when start- handling your tiller, start actual fi eld use  ing en  gine. with throttle in slow position (mid-way  between “FAST” and “IDLE”). When starting engine for the fi rst time or if engine has run      Tilling is digging into, turning over, and breaking up  out  of fuel, it will take extra pulls of the recoil starter to  packed soil before 
                    
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                        OPERATION TINE SHEAR PINS ADJUST WHEELS FOR CULTIVATING   The tine assemblies on your tiller are secured to the tine (See Figs. 16 and 17) shaft with shear pins (See “TINE REPLACEMENT” in the      Place blocks under right hand side of tiller and remove  Service and Ad just ments section of this manual).   hairpin clip and clevis pin from right hand wheel.     Move wheel outward approximately 1 inch (2.5 cm)  If the tiller is unusually overloaded or jammed, the shear  until hole in inner wheel 
                    
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                        MAINTENANCE MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE SERVICE DATES REGULAR SERVICE Check Engine Oil Level Change Engine Oil 1,2 Oil Pivot Points Inspect Spark Arrester / Muffler Inspect Air Screen Clean or Replace Air Cleaner Cartridge 2 Clean Engine Cylinder Fins Replace Spark Plug RH Gear Case Grease Fitting (1oz.) 1 - Change more often when operating under a heavy load or in high ambient temperatures. 2 - Service more often when operating in dirty or dusty conditions.  LUBRICATION C
                    
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                        MAINTENANCE Disconnect spark plug wire before performing any maintenance (except car bu re tor adjustment) to prevent  accidental start ing of engine. Prevent fi res!  Keep the engine free of grass, leaves, spilled oil, or fuel.  Re move fuel from tank before tipping  unit for maintenance.  Clean muffl er area of all grass, dirt, and debris.  Do not touch hot muffl er or cylinder fi ns as contact may cause burns. ENGINE LUBRICATION OIL  Use only high quality detergent oil rated with API service  DRA
                    
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                        MAINTENANCE MUFFLER COVER  KNOB Do not operate tiller without muffl er. Do not tamper with  exhaust system. Damaged muffl ers or spark arresters could  create a fi re hazard. Inspect pe ri odi cally and re place if  COVER nec es sary. If your engine is equipped with a spark arrester  screen assembly, re move every 50 hours for cleaning and  FOAM inspection. Re place if dam aged. PRECLEANER AIR CLEANER CARTRIDGE SPARK PLUG Replace spark plugs at the beginning of each tilling sea- BASE son or after e
                    
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                        SERVICE  AND ADJUSTMENTS CAUTION:  Disconnect spark plug wire from spark plug and place wire where it cannot come into  contact with plug. TILLER TIRE CARE TO ADJUST HANDLE HEIGHT (See Fig. 22) CAUTION:  When mounting tires, un-  less beads are seated, over in fl a tion can  Select handle height best suited for your tilling conditions.   cause an explosion. Handle height will be different when tiller digs into soil.     First loosen handle lock lever. 2     Maintain 20 PSI (1.4 kg/cm ) of tire 
                    
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                        SERVICE  AND ADJUSTMENTS TINE REPLACEMENT         To maintain the superb tilling performance of this  ma chine the tines should be checked for sharpness,  (See Figs. 24, 25 and 26) wear, and bending, particularly the tines which are  next to the transmission.  If the gap between the tines  CAUTION:  Tines are sharp.  Wear  ex ceeds 3-1/2 inches (9 cm), they should be replaced  gloves or other protection when han- or straight ened as necessary.  dling tines.     New tines should be assembled as
                    
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                        SERVICE  AND ADJUSTMENTS TO REMOVE BELT GUARD    TO REPLACE GROUND DRIVE BELT    (See Fig. 27) (See Figs. 27 and 28)     Remove belt guard as described in “TO REMOVE BELT  NOTE:  For ease of removal, remove hairpin clip and clevis   GUARD”. pin from left wheel.  Pull wheel out from tiller about 1 inch  (2.5 cm).     Remove old belt by slipping off engine pulley fi rst then  remove from transmission pulley.     Remove two (2) screws from side of belt guard.     Remove hex nut and washer from b
                    
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                        SERVICE  AND ADJUSTMENTS TO AD JUST CARBURETOR ENGINE The carburetor has been preset at the factory and ad just ment  TO ADJUST THROTTLE CONTROL CABLE  should not be necessary.  However, engine per formance   can be affected by dif fer enc es in fuel, tem pera  ture, al ti tude  (See Fig. 29) or load.  If the carburetor does need ad just ment, contact  The throttle control has been preset at the factory and  your nearest authorized service center/de part ment ad just ment should not be necessary
                    
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                        STORAGE Immediately prepare your tiller for storage at the end of the  ENGINE OIL season or if the unit will not be used for 30 days or more. Drain oil (with engine warm) and replace with clean oil.  (See  “ENGINE” in the Maintenance section of this manual).  WARNING:  Never store the tiller with  gasoline in the tank inside a build ing  CYLINDER(S) where fumes may reach an open fl ame      Remove spark plug. or spark.  Allow the engine to cool before      Pour 1 ounce (29 ml) of oil through sp
                    
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                        TROUBLESHOOTING POINTS PROBLEM               CAUSE      CORRECTION  Will not star t                           1.   Out of fuel.                                                                     1.   Fill fuel tank.                                                  2.   Engine not “CHOKED” properly.                                     2.   See “TO START ENGINE” in Operation section.                                                  3.   Engine fl ooded.