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55B21HV
Owner’s Manual
532 18 63-04 Rev. 4 03.17.04 BY
Printed in U.S.A.
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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20 ROTARY LAWN MOWER - - MODEL NUMBER 55B21HV (55B21HVA) - PRODUCT NUMBER 954 22 32-27
