87521RES Owner’s Manual 532 41 29-72 02.21.07 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. • Look for this symbol to point out important safety precautions. It means CAUTION!!! BECOME ALERT!!! YOUR SAFETY IS INVOLVED.
• • • • • • • Never refuel the machine indoors. Never store the machine or fuel container where there is an open flame, spark or pilot light such as a water heater or on other appliances. Never fill containers inside a vehicle, on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling. Remove gas-powered equipment from the truck or trailer and refuel it on the ground.
Engine Power Rating Information The gross power rating for individual gas engine models is labeled in accordance with SAE (Society of Automo-tive Engineers) code J11940 (Small Engine Power & Torque Rating Procedure), and rating performance has been obtained and corrected in accordance with SAE J1995 (Revision 2002-5). Actual gross engine power will be lower and is affected by, among other things, ambient operating conditions and engine-to-engine variability.
ASSEMBLY TO PREPARE BATTERY (See Fig. 4) TO ASSEMBLE GRASS CATCHER (See Fig. 3) NOTE: Your battery must be charged before you can start your lawn mower. 1. Connect battery charger connector (male) to harness connector (female). 2. Plug battery charger into 110 volt A.C. outlet. 3. Leave battery charger connected for 24 hours before starting your engine for the first time. 4. After charging, disconnect harness connector (female) from battery charger connector (male).
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. DRIVE CONTROL ADJUSTMENT (See Fig. 5B) HOW TO USE YOUR LAWN MOWER Over time, the drive control system may become “loose”, resulting in decreased speed.
OPERATION TO ATTACH GRASS CATCHER (See Fig. 7) TO CONVERT MOWER 1. Lift the rear door of the lawn mower and place the grass catcher frame side hooks onto the door pivot pins. 2. The grass catcher is secured to the lawn mower housing when the rear door is lowered onto the grass catcher frame. Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging: REAR BAGGING (See Fig. 9) • Open rear door and remove mulcher plug. Store mulcher plug in a safe place.
OPERATION BEFORE STARTING ENGINE ADD OIL (See Fig. 11) 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. 1. Be sure lawnmower is level. 2. Remove oil dipstick from oil fill spout. 3. Engine holds 20 ounces of oil. For type and grade of oil to use, see “ENGINE” in the Maintenance section of this manual. 4. Pour oil slowly. Do not overfill.
OPERATION MOWING TIPS ADD GASOLINE (See Fig. 11) • Fill fuel tank to bottom of tank filler neck. Do not overfill. Use fresh, clean, regular unleaded gasoline with a minimum of 87 octane. Do not mix oil with gasoline. Purchase fuel in quantities that can be used within 30 days to assure fuel freshness. CAUTION: Do not use de-thatcher blade attachments on your mower. Such attachments are hazardous, will damage yourmowerandcouldvoidyourwarranty. • CAUTION: Wipe off any spilled oil or fuel.
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 BLADE ADAPTER Always observe safety rules when performing any maintenance. BLADE TIRES • • CRANKSHAFT KEYWAY TRAILING EDGE CRANKSHAFT LOCK WASHER 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. DRIVE WHEELS BLADE BOLT Check rear drive wheels each time you mow to be sure they move freely.
MAINTENANCE TO CLEAN AIR FILTER 1. Loosen screws and remove cover. 2. Carefully remove cartridge. 3. Clean by gently tapping on a flat surface. If very dirty, replace cartridge. ENGINE LUBRICATION Use only high quality detergent oil rated with API service classification SG–SL. Select the oil's SAE viscosity grade according to your expected operating temperature. SAE VISCOSITY GRADES CAUTION: Petroleum solvents, such as kerosene, are not to be used to clean cartridge.
SERVICE AND ADJUSTMENTS CAUTION: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: 1. Release control bar and stop engine. 2. Make sure the blade and all moving parts have completely stopped. 3. Disconnect spark plug wire from spark plug and place where it cannot come in contact with plug. LAWN MOWER CRANKSHAFT TO ADJUST CUTTING HEIGHT BLADE ADAPTER / PULLEY HOUSING See “TO ADJUST CUTTING HEIGHT” in the Operation section of this manual.
SERVICE AND ADJUSTMENTS TO ADJUST HANDLE (See Fig. 18) ENGINE The handle on your lawn mower has three (3) height positions - adjust to height that suits you. • Squeeze the bottom ends of lower handle towards each other until the pin in handle can be inserted into one of the three height adjustment holes. ENGINE SPEED Your engine speed has been factory set. Do not attempt to increase engine speed or it may result in personal injury.
STORAGE ENGINE MOWING POSITION OPERATOR PRESENCE CONTROL BAR FUEL SYSTEM IMPORTANT: IT IS IMPORTANT TO PREVENT GUM DEPOSITS FROM FORMING IN ESSENTIAL FUEL SYSTEM PARTS SUCH AS CARBURETOR, FUEL FILTER, FUEL HOSE, OR TANK DURING STORAGE. ALCOHOL BLENDED FUELS (CALLED GASOHOL OR USING ETHANOL OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE. ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STORAGE.
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 87521RES (96143002200) - PRODUCT NUMBER 961 43 00-22 18
ROTARY LAWN MOWER - - MODEL NUMBER 87521RES (96143002200) - PRODUCT NUMBER 961 43 00-22 19 KEY NO. PART NO.
ROTARY LAWN MOWER - - MODEL NUMBER 87521RES (96143002200) - PRODUCT NUMBER 961 43 00-22 20
ROTARY LAWN MOWER - - MODEL NUMBER 87521RES (96143002200) - PRODUCT NUMBER 961 43 00-22 21 KEY NO. PART NO. DESCRIPTION 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.
