Resumen del contenido incluido en la página 1 
                    
                        55B21HV
Owner’s Manual
532 18 63-04 Rev. 4   03.17.04   BY
Printed in U.S.A.                                                                                                                                                                                                                                                                                                                                                                                                                                        
                    
                    Resumen del contenido incluido en la página 2 
                    
                        SAFETY RULES Safe Operation Practices for Walk-Behind Mowers IMPORTANT:  THIS CUTTING 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. DO NOT: I. GENERAL OPERATION     Do not trim near drop-offs, ditches or embankments.       Read, understand, and follow all instructions on the  The operator could lose footing or balance. machine and in the manual(s) before starting. Be thor- o
                    
                    Resumen del contenido incluido en la página 3 
                    
                        Look for this symbol to point out im- WARNING: Battery posts, terminals and   portant saf ety precautions.  It means related ac ces so ries contain lead and  CAUTION!!!  BE COME ALERT!!!  YOUR  lead compounds, chemicals known to  SAFE TY IS IN VOLVED. the State of Cal i for nia to cause can cer  and birth defects or oth er re pro duc tive  harm. Wash hands after handling. CAUTION:  Always disconnect spark plug  wire and place wire where it cannot contact  spark plug in order to prevent ac ci den
                    
                    Resumen del contenido incluido en la página 4 
                    
                        ASSEMBLY Read these instructions and this manu  al in its entirety before  you attempt to assemble or operate your new lawn mower . OPERATOR PRESENCE CONTROL BAR IMPORTANT:  THIS LAWN MOWER IS SHIPPED WITH- UPPER HANDLE OUT OIL OR GASOLINE IN  THE ENGINE. LOWER HANDLE Your new lawn mower has been as sem bled at the factory  LIFT UP with the ex cep tion of those parts left unassembled for ship- ping purposes. All parts such as nuts, washers, bolts, etc.,  LIFT  necessary to com plete the as sem b
                    
                    Resumen del contenido incluido en la página 5 
                    
                        ASSEMBLY TO ASSEMBLE GRASS CATCHER (See Figs. 3 and 4) 1.   Slide grass catcher bag over the frame. Make sure  DOOR the rear handle is on top (the same side as the front  handle) and the strap is on the bottom. 2.   Slip vinyl bindings over frame. GRASS  CATCHER  NOTE:  If vinyl bindings are too stiff, hold them in warm water  FRAME for a few minutes. If bag gets wet, let it dry before using. 3.   Close grass catcher door. NOTE: When fully closed, door will “snap” shut over frame  VINYL and viny
                    
                    Resumen del contenido incluido en la página 6 
                    
                        OPERATION KNOW YOUR LAWN MOWER READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER.   Compare the illustrations with your lawn mower to familiarize yourself with the location of various controls and adjustments.   Save this manual for future reference. These symbols  may appear on your lawn mower or in literature supplied with the product.  Learn and understand  their meaning. DRIVE  OPERATOR PRESENCE CON TROL BAR CONTROL  LEVER BLADE / BRAKE CONTROL STARTER HANDLE THROTTL
                    
                    Resumen del contenido incluido en la página 7 
                    
                        OPERATION The operation of any lawn mower can  result in foreign objects thrown into the eyes, which can result  in severe eye damage.  Always wear safety glasses or eye shields while operating your lawn mower or  performing any adjustments or repairs.  We recommend standard safety glasses or a wide vision safety  mask over spectacles. HOW TO USE YOUR LAWN MOWER OPERATOR PRESENCE BLADE / BRAKE  CONTROL BAR CONTROL LEVER THROTTLE / ENGINE CONTROL (See Fig. 5) The engine is controlled by a throttl
                    
                    Resumen del contenido incluido en la página 8 
                    
                        OPERATION     Lift the round door of the discharge chute and place  TO ADJUST CUTTING HEIGHT (See Fig. 8) the grass catcher into place on the discharge chute. Both front wheels are adjusted by a single lever on the left  NOTE: Be sure round door of discharge chute rests on  front wheel.  Likewise, both rear wheels are adjusted by a  grass catcher as shown. single lever on the left rear wheel.     Mower is now ready for rear bagging operation.     Pull adjuster lever toward wheel. To raise mow
                    
                    Resumen del contenido incluido en la página 9 
                    
                        OPERATION     To convert to rear bagging operation, side discharge  TO EMPTY GRASS CATCHER defl ector must be removed; discharge chute and grass  (See Figs. 12 and 13)  catcher installed and discharge chute secured to mower  1.   Open round door of discharge chute to move starter  housing with knob. rope out and away from grass catcher. MULCHER KNOB DOOR FRONT  OPEN HANDLE ROUND  THREADED  STUD DOOR STARTER  ROPE FIG. 12 SIDE 2.   Remove grass catcher with clippings from lawn mower  DISCHARGE  D
                    
                    Resumen del contenido incluido en la página 10 
                    
                        OPERATION BEFORE STARTING ENGINE OIL FILLER CAP/DIPSTICK ADD OIL (See Figs. 14 and 15) Y our lawnmower is shipped without oil in the engine. For type  and grade of oil to use, see “EN GINE” in the Maintenance  section of this manual. CAUTION: DO NOT overfi ll engine with  oil, or it will smoke heavily from the muf- UPPER LIMIT fl er on startup. 1.   Be sure lawnmower is level.   LOWER LIMIT 2.   Remove oil dipstick from oil fi ll spout. 3.   Engine holds 18.5 ounces of oil.  For type and grade  FIG
                    
                    Resumen del contenido incluido en la página 11 
                    
                        OPERATION MULCHING MOWING TIPS  OFF IMPORTANT:  FOR BEST PERFORMANCE, KEEP MOWER  HOUSING FREE OF BUILT-UP GRASS AND TRASH. SEE  “CLEANING” IN THE MAINTENANCE SECTION OF THIS  MANUAL. ON     The special mulching blade will recut the grass clip- pings many times and reduce them in size so that as  they fall onto the lawn they will disperse into the grass  and not be noticed.  Also, the mulched grass will biode- grade quickly to provide nutrients for the lawn.  Always  mulch with your highest eng
                    
                    Resumen del contenido incluido en la página 12 
                    
                        MAINTENANCE BEFORE AFTER EVERY EVERY EVERY BEFORE EACH EACH 10 25HOURS 100 STORAGE USE USE HOURS ORSEASON HOURS Check for Loose Fasteners Clean / Inspect Grass Catcher * CheckTires Check DriveWheels *** Clean Lawn Mower **** Clean under Drive Cover *** Check Drive Belt / Pulleys *** Check / Sharpen / Replace Blade Lubrication Clean and Recharge Battery ** Check Engine Oil level Change Engine Oil Clean Air Filter Inspect Muffler Replace Spark Plug Replace Air Filter Paper Cartridge Empty fuel sys
                    
                    Resumen del contenido incluido en la página 13 
                    
                        MAINTENANCE TO SHARPEN BLADE LAWN MOWER NOTE:  We do not recommend sharp en ing blade - but if  Always observe safety rules when performing any main- you do, be sure the blade is balanced.   te nance. Care should be taken to keep the blade balanced. An  TIRES un bal anced blade will cause eventual damage to lawn  mower or engine.      Keep tires free of gasoline, oil, or insect control chem-  i cals which can harm rubber.     The blade can be sharp ened with a fi le or on a grind- ing wheel. Do
                    
                    Resumen del contenido incluido en la página 14 
                    
                        MAINTENANCE TO CHANGE ENGINE OIL (See Fig. 19) AIR FILTER Your engine will not run properly and may be damaged  NOTE:  Before tipping lawn mower to drain oil, empty fuel  by using a dirty air fi lter. Replace the air fi lter every 100  tank by running engine until fuel tank is empty. hours of operation or every season, whichever occurs fi rst.   1.   Disconnect spark plug wire from spark plug and place  Ser vice air cleaner more often under dusty conditions.  See  wire where it cannot come in conta
                    
                    Resumen del contenido incluido en la página 15 
                    
                        SERVICE AND ADJUSTMENTS TO REMOVE DRIVE BELT (See Figs. 20–22) HOUSING CRANKSHAFT 1.   Disconnect spark plug wire from spark plug and place  HOLE TAB wire where it cannot come in contact with spark plug. BLADE  ADAPTER 2.   Remove screws retaining drive cover and remove drive  cover from lawn mower housing (See Fig. 20). HARDENED  SCREWS WASHER DEBRIS  SHIELD LOCK- WASHER BLADE  TRAILING  BOLT SCREW EDGE  LAWN  MOWER  FIG. 22 HOUSING  7.   Use a wood block between blade and mower hous ing  DRIVE
                    
                    Resumen del contenido incluido en la página 16 
                    
                        SERVICE AND ADJUSTMENTS 2.   Route the other end of the new drive belt through hole  in housing. KNOB 3.   Reattach debris shield to housing with screw previ- ously removed.  Be sure tab of debris shield is in gap  of housing. BOLT 4.   Position blade on the blade adapter aligning the two  (2) holes in the blade with the raised lugs on the  LOW adapter.        5.   Be sure the trailing edge of blade (opposite sharp edge)  HANDLE               HIGH BRACKET is up toward the engine as shown (See Fi
                    
                    Resumen del contenido incluido en la página 17 
                    
                        STORAGE HANDLE (See Figs. 25 and 26) ENGINE You can fold your lawn mower handle for storage. FUEL SYSTEM 1.   Loosen the two (2) handle knobs on sides of the upper  IMPORTANT:  IT IS IMPORTANT TO PREVENT GUM DEPOSITS  handle and allow handle to fold down to the rear. FROM FORMING IN ESSENTIAL FUEL SYSTEM PARTS SUCH  AS CARBURETOR, FUEL FILTER, FUEL HOSE, OR TANK  2.   Remove the two (2) handle knobs and carriage bolts  DURING STORAGE.  ALSO, EXPERIENCE INDICATES THAT  on sides of the lower handl
                    
                    Resumen del contenido incluido en la página 18 
                    
                        TROUBLESHOOTING POINTS     PROBLEM                 CAUSE                                                                     CORRECTION  Does not start     1.  Dirty air fi lter.                                                       1.  Clean/replace air fi lter.                              2.  Out of fuel.                                                          2.  Fill fuel tank.                              3.  Stale fuel.                                                            3.  Empty f
                    
                    Resumen del contenido incluido en la página 19 
                    
                        ROTARY LAWN MOWER - - MODEL NUMBER 55B21HV (55B21HVA) PRODUCT NUMBER 954 22 32-27 GEAR CASE ASSEMBLY - - PART NUMBER 532 18 36-99 KEY   PART              NO.    NO.                DESCRIPTION 1        817 54 10-11  Screw, Tapping  #10-24 x .668 2        532 16 06-72  Gear Case, Upper 3        532 05 70-72  Seal 4        532 18 39-08  Drive Shaft 5        532 16 08-18  Bearing, Needle, Thrust 6        532 07 78-81  Bearing 7        532 16 08-17  Washer, Thrust 8        532 85 08-48  Key, Hi-pro 9
                    
                    Resumen del contenido incluido en la página 20 
                    
                        20 ROTARY LAWN MOWER - - MODEL NUMBER 55B21HV (55B21HVA) - PRODUCT NUMBER 954 22 32-27