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87521RSX
Owner’s Manual / 96143003800 (California) 2008-03
532 41 91-00 03.03.08 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 THROW ING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. � Stop the blade(s) when crossing gravel drives, walks, Look for this symbol to point out im- or roads. por tant safety precautions. It means � Stop the engine (motor) whenever you leave the equip- CAUTION!!! BE COME ALERT!!! YOUR men
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� Never refuel the machine indoors. wire away from plug to prevent accidental starting. � Never store the machine or fuel container where there � Keep nuts and bolts, especially blade attachement is an open fl ame, spark or pilot light such as a water bolts, tight and keep equipment in good condition. heater or on other appliances. � Never tamper with safety devices. Check their proper � Never fi ll containers inside a vehicle, on a truck or trailer operation regularly. bed with
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ASSEMBLY Read these instructions and this man u al in its entirety before you attempt to assemble or operate your new lawn mow er. IMPORTANT: THIS LAWN MOWER IS SHIPPED WITH OUT OIL OR GASOLINE IN THE ENGINE. Your new lawn mower has been as sem bled at the factory with the ex cep tion of those parts left unassembled for shipping purposes. All parts such as nuts, washers, bolts, etc., necessary to com plete the as sem bly have been placed in the parts bag. To ensure safe and proper operation
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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. OPERATOR PRESENCE CON TROL BAR DRIVE CONTROL LEVER HANDLE KNOB STARTER DRIVE COVER HANDLE EN G
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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 per- forming any adjustments or repairs. We recommend standard safety glasses or a wide vision safety mask over spectacles. DRIVE CONTROL ADJUSTMENT (See Fig. 5) HOW TO USE YOUR LAWN MOWER Over time, the drive control system may become “loose”, ENGINE SPEED resulting in decreased spe
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OPERATION TO CONVERT MOWER TO ATTACH GRASS CATCHER (See Fig. 7) Your lawn mower was shipped ready to be used as a 1. Lift the rear door of the lawn mower and place the grass mulcher. To convert to bagging or discharging: catcher frame side hooks onto the door pivot pins. REAR BAGGING (See Fig. 9) 2. The grass catcher is secured to the lawn mower hous ing � Open rear door and remove mulcher plug. Store when the rear door is lowered onto the grass catcher mulcher plug in a safe place
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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 “EN GINE” in the Mainte- nance section of this manual. CAUTION: DO NOT overfi ll engine with oil, or it will smoke on startup. 1. Be sure lawnmower is level. 2. Remove oil dipstick from oil fi ll spout. OPEN MULCHER 3. Engine holds 20 ounces of oil. For type and grade of DOOR oil to use, see “ENGINE” in the Maintenance section of this manu
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OPERATION ADD GASOLINE (See Fig. 11) MOWING TIPS � Fill fuel tank to bottom of tank fi ller neck. Do not over- CAUTION: Do not use de-thatcher blade fi ll. Use fresh, clean, regular unleaded gasoline with attachments on your mower. Such at- a minimum of 87 octane. Do not mix oil with gasoline. tachments are hazardous, will damage Purchase fuel in quan ti ties that can be used within 30 your mower and could void your warranty. days to assure fuel freshness. � Under certain conditio
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MAINTENANCE BEFORE AFTER EVERY EVERY EVERY BEFORE EACH EACH 10 25 HOURS 100 STORAGE USE USE HOURS OR SEASON HOURS 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
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MAINTENANCE LAWN MOWER BLADE ADAPTER KEY CRANKSHAFT KEY WAY Always observe safety rules when performing any main- BLADE te nance. LOCK TIRES WASHER � Keep tires free of gasoline, oil, or insect control chem- i cals 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 HARDENED move freely. The wheels not turning freely means trash, WASHER
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MAINTENANCE TO CLEAN AIR FILTER ENGINE 1. Loosen screws and re move cover. LUBRICATION 2. Carefully remove cartridge. Use only high quality detergent oil rated with API service 3. Clean by gently tapping on a fl at surface. If very dirty, classifi cation SG–SL. Select the oil's SAE viscosity grade replace car tridge. according to your expected operating temperature. SAE VISCOSITY GRADES CAUTION: Pe tro leum solvents, such as ker o sene, are not to be used to clean SAE 30 car tridge. Th
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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 TO REPLACE DRIVE BELT (See Fig. 17) 1. Place new drive belt in engine pulley and belt retainer TO ADJUST CUTTING HEIGHT of debris shield. See “TO ADJUST CUTTING HEIG
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SERVICE AND ADJUSTMENTS ENGINE HANDLE PIN ENGINE SPEED SQUEEZE Your engine speed has been factory set. Do not attempt to increase engine speed or it may result in personal injury. If you believe that the engine is running too fast or too slow, HIGH take your lawn mower to a Husqvarna service center for HANDLE repair and adjustment. MED. BRACKET LOW CARBURETOR Your carburetor is not adjustable. If your engine does not operate properly due to suspected carburetor problems, take your lawn
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STORAGE ENGINE MOWING OPERATOR POSITION FUEL SYSTEM PRES ENCE CONTROL IMPORTANT: IT IS IMPORTANT TO PREVENT GUM BAR DEPOSITS FROM FORMING IN ESSENTIAL FUEL SYSTEM FOLD PARTS SUCH AS CARBURETOR, FUEL FILTER, FUEL HOSE, FORWARD OR TANK DURING STORAGE. ALCOHOL BLENDED FUELS FOR (CALLED GASOHOL OR USING ETHANOL OR METHANOL) STORAGE 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. �
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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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SERVICE NOTES 17
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18 ROTARY LAWN MOWER - - MODEL NUMBER 87521RSX (96143003800) - PRODUCT NUMBER 961 43 00-38
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19 ROTARY LAWN MOWER - - MODEL NUMBER 87521RSX (96143003800) - PRODUCT NUMBER 961 43 00-38 KEY PART KEY PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 27 532 40 84-42 Skirt, Rear 1 532 19 99-82 Handle, Upper (Includes Foam Grip) 28 532 08 86-52 Screw, Hinge 1/4-20 x 1.25 2 532 19 72-02 Handle, Lower 29 532 16 15-86 Cable, Operator Presence 3 532 40 54-16 Spring, Rear Door, RH 30 532 18 91-79
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20 ROTARY LAWN MOWER - - MODEL NUMBER 87521RSX (96143003800) - PRODUCT NUMBER 961 43 00-38
