55C21HV Owner’s Manual 532 18 92-91 12.05.03 BY Printed in U.S.A.
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: • Do not trim near drop-offs, ditches or embankments. The operator could lose footing or balance. • Do not trim excessively steep slopes. • Do not mow on wet grass. Reduced footing could cause slipping. I.
Look for this symbol to point out impor tant safety precautions. It means CAUTION!!! BECOME ALERT!!! YOUR SAFETY IS INVOLVED. WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
ASSEMBLY Read these instructions and this manual in its entirety before you attempt to assemble or operate your new lawn mower. IMPORTANT: THIS LAWN MOWER IS SHIPPED WITHOUT OIL OR GASOLINE IN THE ENGINE. Your new lawn mower has been assembled at the factory with the exception of those parts left unassembled for shipping purposes. All parts such as nuts, washers, bolts, etc., necessary to complete the assembly have been placed in the parts bag.
ASSEMBLY TO ASSEMBLE GRASS CATCHER (See Figs. 3 and 4) 1. Slide grass catcher bag over the frame. Make sure 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. NOTE: If vinyl bindings are too stiff, hold them in warm water 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 and vinyl bindings.
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.
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 ENGINE SPEED 3. Operate mower to see if drive speed has increased. If there is no increase, the drive belt is worn and needs to be replaced.
OPERATION TO CONVERT MOWER (See Figs. 7 thru 9) REAR HANDLE Your lawn mower was shipped ready to be used as a mulcher. To convert to rear bagging or side discharging: CROSSBAR REAR BAGGING • Remove knob securing mulcher door to mower housing. • Open mulcher door and insert tabs of discharge chute into hinge bracket opening and position rear of chute over threaded stud. GRASS CATCHER DISCHARGE CHUTE TABS ROUND DOOR KNOB DISCHARGE CHUTE THREADED STUD HINGE BRACKET MULCHER DOOR FIG.
OPERATION TO EMPTY GRASS CATCHER (See Figs. 10 and 11) SIMPLE STEPS TO REMEMBER WHEN CONVERTING YOUR LAWN MOWER 1. Open round door of discharge chute to move starter rope out and away from grass catcher. FOR MULCHING 1. Grass catcher, discharge chute and side discharge deflector removed. 2. Mulcher door secured to mower housing with knob. FOR REAR BAGGING 1. Side discharge deflector removed. 2. Grass catcher and discharge chute installed with discharge chute secured to lawn mower housing with knob. 3.
OPERATION BEFORE STARTING ENGINE OIL FILLER CAP/DIPSTICK ADD OIL (See Figs. 12 and 13) Your lawnmower is shipped without oil in the engine. For type and grade of oil to use, see “ENGINE” in the Maintenance section of this manual. CAUTION: DO NOT overfill engine with oil, or it will smoke on startup. UPPER LIMIT 1. Be sure lawnmower is level and area around oil fill is clean. 2. Remove oil dipstick from oil fill spout. Make sure that rim of spout is clean. 3. Engine holds 18.5 ounces of oil.
OPERATION MULCHING MOWING TIPS OFF CHOKE LEVER IMPORTANT: FOR BEST PERFORMANCE, KEEP MOWER HOUSING FREE OF BUILT-UP GRASS AND TRASH. SEE “CLEANING” IN THE MAINTENANCE SECTION OF THIS MANUAL. • ON ( ) OFF • ON • FUEL VALVE LEVER FIG. 14 The special mulching blade will recut the grass clippings 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 biodegrade quickly to provide nutrients for the lawn.
MAINTENANCE BEFORE EACH USE AFTER EACH USE EVERY 10 HOURS EVERY 25 HOURS OR SEASON EVERY 100 HOURS BEFORE STORAGE Check for Loose Fasteners Clean / Inspect Grass Catcher * Check Tires Check Drive Wheels *** 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 syste
MAINTENANCE • LAWN MOWER Always observe safety rules when performing any maintenance. TIRES • • Keep tires free of gasoline, oil, or insect control chemicals which can harm rubber. Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage. To check blade balance, drive a nail into a beam or wall. Leave about one inch of the straight nail exposed. Place center hole of blade over the head of the nail. If blade is balanced, it should remain in a horizontal position.
MAINTENANCE TO CHANGE ENGINE OIL (See Fig. 17) AIR FILTER NOTE: Before tipping lawn mower to drain oil, empty fuel tank by running engine until fuel tank is empty. 1. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug. 2. Remove engine oil cap; lay aside on a clean surface. 3. Tip lawn mower on its side as shown and drain oil into a suitable container. Rock lawn mower back and forth to remove any oil trapped inside of engine.
SERVICE AND ADJUSTMENTS TO REMOVE DRIVE BELT (See Figs. 18 thru 21) HOUSING HOLE 1. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug. 2. Remove screws retaining drive cover and remove drive cover from lawn mower housing (See Fig. 18). CRANKSHAFT TAB BLADE ADAPTER HARDENED WASHER SCREWS DEBRIS SHIELD LOCKWASHER SCREW LAWN MOWER HOUSING BLADE BOLT TRAILING EDGE FIG. 20 9.
SERVICE AND ADJUSTMENTS 7. Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise. • The recommended tightening torque is 35-40 ft. lbs. KNOB IMPORTANT: BLADE BOLT IS HEAT TREATED. IF BOLT NEEDS REPLACING, REPLACE ONLY WITH APPROVED BOLT SHOWN IN THE REPAIR PARTS SECTION OF THIS MANUAL. BOLT 8. Return mower to upright position. 9. Install new drive belt into idler arm assembly, then around the drive pulley. Be sure belt is inside of belt keepers (See Fig.
STORAGE HANDLE (See Figs. 23 and 24) ENGINE You can fold your lawn mower handle for storage. NOTE: The upper handle has an “anti-fold” bracket located on the left side of the handle. This bracket prevents the upper handle from folding forward, which helps protect control cable(s) from damage. 1. Loosen the two (2) handle knobs on sides of the upper handle and allow handle to fold down to the rear. 2.
TROUBLESHOOTING POINTS PROBLEM Does not start CAUSE 1. Dirty air filter. 2. Out of fuel. 3. Stale fuel. 4. 5. 6. 7. 8. 9. 10. 11. 12. Loss of power CORRECTION 1. Clean/replace air filter. 2. Fill fuel tank. 3. Empty fuel tank and refill tank with fresh, clean gasoline. Water in fuel. 4. Empty fuel tank and refill tank with fresh, clean gasoline. Spark plug wire is disconnected. 5. Connect wire to plug. Bad spark plug. 6. Replace spark plug. Loose blade or broken blade adapter. 7.
ROTARY LAWN MOWER - - MODEL NUMBER 55C21HV (55C21HVA) PRODUCT NUMBER 954 22 38-90 GEAR CASE ASSEMBLY - - PART NUMBER 532 18 36-99 KEY NO. PART NO. DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 --- 817 54 10-11 532 16 06-72 532 05 70-72 532 18 39-08 532 16 08-18 532 07 78-81 532 16 08-17 532 85 08-48 532 18 41-34 532 16 06-79 532 16 06-73 532 05 70-79 812 00 00-39 532 08 64-47 532 75 03-69 532 18 42-08 Screw, Tapping #10-24 x .
ROTARY LAWN MOWER - - MODEL NUMBER 55C21HV (55C21HVA), PRODUCT NUMBER 954 22 38-90 20
ROTARY LAWN MOWER - - MODEL NUMBER 55C21HV (55C21HVA), PRODUCT NUMBER 954 22 38-90 21 KEY NO. PART NO.
ROTARY LAWN MOWER - - MODEL NUMBER 55C21HV (55C21HVA), PRODUCT NUMBER 954 22 38-90 22
ROTARY LAWN MOWER - - MODEL NUMBER 55C21HV (55C21HVA), PRODUCT NUMBER 954 22 38-90 23 KEY NO. PART NO.
WARRANTY STATEMENT SECTION 1: LIMITED WARRANTY SECTION 4: EXCEPTIONS AND LIMITATIONS Husqvarna Forest & Garden Company (“Husqvarna”) warrants Husqvarna product to the original purchaser to be free from defects in material and workmanship from the date of purchase for the “Warranty Period” of the product as set forth below: Lifetime Warranty: All tiller tines against breakage, trimmer shafts, ignition coils and modules on hand held product.
