Owner’s Manual ROTARY LAWN MOWER 650 Series Briggs & Stratton Engine Power-Propelled 21" Multi-Cut Model Number 6521RS Product Number 961 45 00-05 CAUTION: Read and follow all Safety Rules and Instructions before operating this equipment TABLE OF CONTENTS Safety Rules ..........................................2-3 Warranty ...................................................4 Product Specifications ..............................5 Assembly / Pre-Operation ........................6 Operation............................................. 7-11 Maintenance Schedule ...........................12 Maintenance ......................................12-15 Service and Adjustments...................15-16 Storage ..............................................16-17 Troubleshooting .................................17-18 Repair Parts.......................................36-39 SAFETY RULES 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 operate the mower when bareLook for this symbol to point out imfoot or wearing open sandals. Always portant safety precautions. It means wear substantial foot wear. CAUTION!!! BECOME ALERT!!! • Do not pull mower backwards unless absoYOUR SAFETY IS INVOLVED. lutely necessary. Always look down and beWARNING: In order to prevent accidental hind before and while moving backwards. starting when setting up, transporting, adjusting or making repairs, always disconnect • Never direct discharged material toward anyone. Avoid discharging material spark plug wire and place wire where it cannot against a wall or obstruction. Material may come in contact with plug. richochet back toward the operator. Stop WARNING: Engine exhaust, some of its the blade when crossing gravel surfaces. constituents, and certain vehicle compo• Do not operate the mower without propnents contain or emit chemicals known to er guards, plates, grass catcher or other the State of California to cause cancer and safety protective devices in place. birth defects or other reproductive harm. • See manufacturer’s instructions for WARNING: Battery posts, terminals and proper operation and installation of related accessories contain lead and lead accessories. Only use accessories apcompounds, chemicals known to the State proved by the manufacturer. of California to cause cancer and birth • Stop the blade(s) when crossing gravel defects or other reproductive harm. Wash drives, walks, or roads. hands after handling. • Stop the engine (motor) whenever you CAUTION: Muffler and other engine leave the equipment, before cleaning parts become extremely the mower or unclogging the chute. hot during operation and • Shut the engine (motor) off and wait remain hot after engine until the blade comes to complete stop has stopped. To avoid before removing grass catcher. severe burns on contact, • Mow only in daylight or good artificial light. stay away from these areas. • Do not operate the machine while under the influence of alcohol or drugs. I. GENERAL OPERATION • Never operate machine in wet grass. • Read, understand, and follow all Always be sure of your footing: keep a instructions on the machine and in the firm hold on the handle; walk, never run. manual(s) before starting. Be thoroughly • Disengage the self-propelled mechfamiliar with the controls and the proper anism or drive clutch on mowers so use of the machine before starting. equipped before starting the engine. • Do not put hands or feet near or under • If the equipment should start to vibrate rotating parts. Keep clear of the disabnormally, stop the engine (motor) and charge opening at all times. check immediately for the cause. Vibra• Only allow responsible individuals, who tion is generally a warning of trouble. are familiar with the instructions, to • Always wear safety goggles or safety glassoperate the machine. es with side shields when operating mower. • Clear the area of objects such as rocks, toys, wire, bones, sticks, etc., which could II. SLOPE OPERATION be picked up and thrown by blade. Slopes are a major factor related to slip & • Be sure the area is clear of other people fall accidents which can result in severe before mowing. Stop the machine if injury. All slopes require extra caution. If anyone enters the area. 2 you feel uneasy on a slope, do not mow it. DO: • Mow across the face of slopes: never up and down. Exercise extreme caution when changing direction on slopes. • Remove obstacles such as rocks, tree limbs, etc. • Watch for holes, ruts, or bumps. Tall grass can hide obstacles. 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. • 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. If this is not possible, then refuel such equipment with a portable container, rather than from a gasoline dispenser nozzle. • Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device. • If fuel is spilled on clothing, change clothing immediately. • Never overfill fuel tank. Replace gas cap and tighten securely. III. CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the machine and the mowing activity. Never assume that children will remain where you last saw them. • Keep children out of the trimming area and under the watchful care of another responsible adult. • Be alert and turn machine off if children enter the area. • Before and while walking backwards, look behind and down for small children. • Never allow children to operate machine. • Use extra care when approaching blind corners, shrubs, trees, or other objects that may obscure vision. V. GENERAL SERVICE • Never run machine inside a closed area. • Never make adjustments or repairs with the engine (motor) running. Disconnect the spark plug wire, and keep the wire away from the plug to prevent accidental starting. • Keep nuts and bolts, especially blade attachment bolts, tight and keep equipment in good condition. • Never tamper with safety devices. Check their proper operation regularly. • Keep machine free of grass, leaves, or other debris build-up. Clean oil or fuel spillage. Allow machine to cool before storing. • Stop and inspect the equipment if you strike an object. Repair, if necessary, before restarting. • Never attempt to make wheel height adjustments while the engine is running. • Grass catcher components are subject to wear, damage, and deterioration, which could expose moving parts or allow objects to be thrown. Frequently check components and replace with manufacturer’s recommended parts, when necessary. • Mower blades are sharp and can cut. Wrap the blade(s) or wear gloves, and use extra caution when servicing them. • Do not change the engine governor setting or overspeed the engine. • Maintain or replace safety and instruction labels, as necessary. IV. SAFE HANDLING OF GASOLINE Use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. • Extinguish all cigarettes, cigars, pipes and other sources of ignition. • Use only an approved container. • Never remove gas cap or add fuel with the engine running. Allow engine to cool before refueling. • 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. WARNING: This lawn mower is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the state of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest Husqvarna or other authorized service center (See the REPAIR PARTS section of this manual). 3 WARRANTY SECTION 1: LIMITED WARRANTY 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: (4) Additional damage to parts or components due to continued use occurring after any of the above. REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE PURCHASER. HUSQVARNA SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY ON THESE PRODUCTS EXCEPT TO THE EXTENT PROHIBITED BY APPLICABLE LAW. ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ON THESE PRODUCTS IS LIMITED IN DURATION TO THE WARRANTY PERIOD AS DEFINED IN THE LIMITED WARRANTY STATEMENT. HUSQVARNA RESERVES THE RIGHT TO CHANGE OR IMPROVE THE DESIGN OF THE PRODUCT WITHOUT NOTICE, AND DOES NOT ASSUME OBLIGATION TO UPDATE PREVIOUSLY MANUFACTURED PRODUCTS. 2 YEAR NON-COMMERCIAL WARRANTY: Automatic Mower, Riding lawn mowers, yard and garden tractors, walk behind mowers, tillers, chain saws, trimmers, brushcutters, clearing saws, snow blowers, handheld blowers, backpack blowers, hedge trimmers, electrical products and power-assist collection systems for noncommercial, nonprofessional, noninstitutional or nonincome producing use, except as herein stated. Emission control system components necessary to comply with CARB-TIER-II and EPA regulations. Husqvarna Safety Apparel carries a 90-day warranty from the date of the customer’s original purchase for defects in material and workmanship. Normal wear, tear or abuse is not covered under warranty. Product must be returned to Charlotte with a warranty claim form. All care and maintenance instructions must be followed as stated by the manufacturer on the care label. The fit of the protective apparel/boot is not covered under warranty. Some states do not allow the exclusion of incidental or consequential damages, or limitations on how long an implied warranty lasts, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. SECTION 5: CUSTOMER RESPONSIBILITIES The product must exhibit reasonable care, maintenance, operation, storage and general upkeep as written in the maintenance section of the Owner’s/ Operator’s manual. Should an operational problem or failure occur, the product should not be used, but delivered as is to an authorized Husqvarna dealer for evaluation. Proof of purchase, as explained in section 6, rests solely with the customer. SECTION 2: HUSQVARNA’S OBLIGATIONS UNDER THE WARRANTY Husqvarna will repair or replace defective components without charge for parts or labor if a component fails because of a defect in material or workmanship during the warranty period. SECTION 3: ITEMS NOT COVERED BY THIS WARRANTY The following items are not covered by this warranty: (1)Normal customer maintenance items which become worn through normal regular use, including, but not limited to, belts, blades, blade adapters, bulbs, filters, guide bars, lubricants, rewind springs, saw chain, spark plugs, starter ropes and tines; (2) Natural discoloration of material due to ultraviolet light; (3) Lawn and garden attachments are covered by a third party which gives a warranty, all claims for warranty should be sent to the manufacturer; and (4)Emission Control System components necessary to which are manufactured by third party engine manufacturer. SECTION 6: PROCEDURE TO OBTAIN WARRANTY CONSIDERATION It is the Owner’s and Dealer’s responsibility to make certain that the Warranty Registration Card is properly filled out and mailed to Husqvarna Forest & Garden Company. This card should be mailed within ten (10) days from the date of purchase in order to confirm the warranty and to facilitate post-sale service. Proof of purchase must be presented to the authorized Husqvarna dealer in order to obtain warranty service. This proof must include date purchased, model number, serial number, and complete name and address of the selling dealer. SECTION 4: EXCEPTIONS AND LIMITATIONS This warranty shall be inapplicable to defects resulting from the following: (1) Accident, abuse, misuse, negligence and neglect, including stale fuel, dirt, abrasives, moisture, rust, corrosion, or any adverse reaction due to incorrect storage or use habits; (2) Failure to operate or maintain the unit in accordance with the Owner’s/Operator’s manual or instruction sheet furnished by Husqvarna; (3) Alterations or modifications that change the intended use of the product or affects the product’s performance, operation, safety, or durability, or causes the product to fail to comply with any applicable laws; or: To obtain the benefit of this warranty, the product believed to be defective must be delivered to an authorized Husqvarna dealer in a timely manner, no later than thirty (30) days from date of the operational problem or failure. The product must be delivered at the owner’s expense. Pick-up and delivery charges are not covered by this warranty. An authorized Husqvarna dealer can be normally located through the “Yellow Pages” of the local telephone directory or by calling 1-800-HUSKY62 for a dealer in your area. HUSQVARNA 7349 Statesville Road Charlotte, NC 28269 531 83 81-23 2002 4 PRODUCT SPECIFICATIONS Serial Number: Date of Purchase: Gasoline Capacity / Type: 1.6 Quarts (Unleaded Regular) Oil Type (API SG–SL): SAE 30 (above 32°F); SAE 5W-30 (below 32°F) Oil Capacity: 20 Ounces Spark Plug (Gap: .030") Champion J19LM or RJ19LM Blade Bolt Torque: 35-40 ft. lbs. • The model and serial numbers will be found on a decal on the rear of the lawn mower housing. Record both serial number and date of purchase in space provided above. ACCESSORIES These accessories were available when this lawn mower was produced. They are not shipped with your mower. They are also available at most Husqvarna retailers and service centers. Some of these accessories may not apply to your lawn mower. 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. Given both the wide array of products on which engines are placed and the variety of environmental issues applicable to operating the equipment, the gas engine will not develop the rated gross power when used in a given piece of power equipment (actual “on-site” or net horsepower). This difference is due to a variety of factors including, but not limited to, accessories (air cleaner, exhaust, charging, cooling, carburetor, fuel pump, etc.), application limitations, ambient operating conditions (temperature, humidity, altitude), and engine-to-engine variability. Due to manufacturing and capacity limitations, Briggs & Stratton may substitute an engine of higher rated power for this Series engine. 5 ASSEMBLY / PRE-OPERATION 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. To ensure safe and proper operation of your lawn mower, all parts and hardware you assemble must be tightened securely. Use the correct tools as necessary to ensure proper tightness. TO REMOVE MOWER FROM CARTON 1. Remove loose parts included with mower. 2. Cut down two end corners of carton and lay end panel down flat. 3. Remove all packing materials except padding between upper and lower handle and padding holding operator presence control bar to upper handle. 4. Roll lawn mower out of carton and check carton thorougly for additional loose parts. Handle pin SQUEEZE Handle bracket HOW TO SET UP YOUR MOWER TO UNFOLD HANDLE IMPORTANT: Unfold handle carefully so as not to pinch or damage control cables. 1. Raise lower handle section to operating position and 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. 2. Remove protective padding, raise upper handle section into place on lower handle and tighten both handle knobs. 3. Remove any packing material from around control bar. Your lawn mower handle can be adjusted for your mowing comfort. Refer to “ADJUST HANDLE” in the Service and Adjustments section of this manual. Operator presence control bar TO ASSEMBLE GRASS CATCHER 1. Put grass catcher frame into grass bag with rigid part of bag on the bottom. Make sure the frame handle is outside of the bag top. 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. Frame handle MOWING POSITION LIFT UP LIFT UP Upper handle Vinyl bindings Handle knob Lower handle 6 Frame opening TO INSTALL ATTACHMENTS Your lawn mower was shipped ready to be used as a mulcher. To convert mower to bagging or discharging, see “TO CONVERT MOWER” in the Operation section of this manual. OPERATION KNOW YOUR LAWN MOWER READ THIS OWNER'S MANUAL AND ALL 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 control lever Operator presence control bar Handle knob Starter handle Drive cover Engine oil cap with dipstick Grass catcher Primer Muffler Wheel adjuster (on each wheel) Mulcher plug Gasoline filler cap Air filter Mulcher door Spark plug Housing IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine. MEETS CPSC SAFETY REQUIREMENTS Sears rotary walk-behind power lawn mowers conform to the safety standards of the American National Standards Institute and the U.S. Consumer Product Safety Commission. The blade turns when the engine is running. Operator presence control bar – must be held down to the handle to start the engine. Release to stop the engine. Starter handle – used for starting engine. Mulcher plug – located at the rear discharge opening. Must be removed when converting to bagging operation. 7 Mulcher door – allows conversion to discharging or bagging operation. Drive control lever – used to engage power-propelled forward motion of mower. Primer– pumps additional fuel from the carburetor to the cylinder for use when starting a cold engine. 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 a standard safety glasses or wide vision safety mask worn over spectacles. HOW TO USE YOUR LAWN MOWER ENGINE SPEED The engine speed was set at the factory for optimum performance. Speed is not adjustable. ENGINE ZONE CONTROL CAUTION: Federal regulations require an engine control to be installed on this lawn mower in order to minimize the risk of blade contact injury. Do not under any circumstances attempt to defeat the function of the operator control. The blade turns when the engine is running. • Your lawn mower is equipped with an operator presence control bar which requires the operator to be positioned behind the lawn mower handle to start and operate the lawn mower. DRIVE CONTROL • Self-propelling is controlled by holding the operator presence control bar down to the handle and pulling the drive control lever rearward to the handle. The farther toward the handle the lever is pulled, the faster the unit will travel. • Forward motion will stop when either the operator presence control bar or drive control lever are released. To stop forward motion without stopping engine, release the drive control lever only. Hold operator presence control bar down against handle to continue mowing without self-propelling. NOTE: If after releasing the drive control the mower will not roll backwards, push the mower forward slightly to disengage drive wheels. Operator presence control bar TO ENGAGE DRIVE CONTROL Drive control lever DRIVE CONTROL DISENGAGED DRIVE CONTROL ADJUSTMENT Over time, the drive control system may become “loose”, resulting in decreased speed. There is a turnbuckle on the drive control housing to increase tension on the drive cable. Proceed as follows: 1. Turn unit off and disconnect spark plug wire from spark plug. 2. Rotate turnbuckle on drive control to increase drive speed. 3. Operate mower to test drive speed. Readjust as required. 4. If condition fails to improve after the above steps (forward speed remains the same), your drive belt is worn and should be replaced. Adjustment turnbuckle TO ADJUST CUTTING HEIGHT Raise wheels for low cut and lower wheels for high cut, adjust cutting height to suit your requirements. Medium position is best for most lawns. • To change cutting height, squeeze adjuster lever toward wheel. Move wheel up or down to suit your requirements. Be sure all wheels are in the same setting. NOTE: Adjuster is properly positioned when plate tab inserts into hole in lever. Also, 9-position adjusters (if so equipped) allow lever to be positioned between the plate tabs. LEVER BACKWARD TO LOWER MOWER Plate tab LEVER FORWARD TO RAISE MOWER Lever TO ATTACH GRASS CATCHER 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. 8 CAUTION: Do not run your lawn mower without mulcher plate or plug, clipping deflector or approved grass catcher in place. Never attempt to operate the lawn mower with the rear door removed or propped open. Pivot pins Rear door Grass catcher handle Mulcher plug SIDE DISCHARGING • Mulcher plug must be installed into rear discharge opening of mower. • Open mulcher door and install discharge deflector under door as shown. • Mower is now ready for discharging operation. • To convert to mulching or bagging operation, discharge deflector must be removed and mulcher door closed. Catcher frame hook TO EMPTY GRASS CATCHER 1. Lift up on grass catcher using the frame handle. 2. Remove grass catcher with clippings from under lawn mower handle. 3. Empty clippings from bag. NOTE: Do not drag the bag when emptying; it will cause unnecessary wear. Grass catcher frame handle Open mulcher door Discharge deflector TO CONVERT MOWER Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging: REAR BAGGING • Open rear door and remove mulcher plug. Store mulcher plug in a safe place. • You can now install the grass catcher or optional clipping deflector. • To convert to mulching or discharging operation, install mulcher plug into rear discharge opening of mower. 9 SIMPLE STEPS TO REMEMBER WHEN CONVERTING YOUR LAWN MOWER CAUTION: 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. To avoid engine problems, the fuel system should be emptied before storage of 30 days or longer. Empty the gas tank, start the engine and let it run until the fuel lines and carburetor are empty. Use fresh fuel next season. See Storage Instructions for additional information. Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur. FOR MULCHING 1. Rear mulcher plug installed. 2. Mulcher door closed. FOR REAR BAGGING 1. Rear mulcher plug removed. 2. Grass catcher installed. 3. Mulcher door closed. FOR SIDE DISCHARGING 1. Rear mulcher plug installed. 2. Discharge deflector installed. CAUTION: Do not run your lawn mower without mulcher plug, clipping deflector or approved grass catcher in place. Never attempt to operate the lawn mower with the rear door removed or propped open. Engine oil cap BEFORE STARTING ENGINE ADD OIL 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 heavily from the muffler on startup. 1. Be sure lawnmower is level. 2. Remove oil dipstick from oil fill spout. 3. You receive a container of oil with the unit. Slowly pour the entire container down the oil fill spout into the engine. NOTE: Initial oil fill requires only 18 oz. due to residual oil in engine from the manufacturers 100% quality testing. When changing oil you may need 20 oz. 4. Insert and tighten dipstick. IMPORTANT: • Check oil level before each use. Add oil if needed. Fill to full line on dipstick. • Change the oil after every 25 hours of operation or each season. You may need to change the oil more often under dusty, dirty conditions. See “TO CHANGE ENGINE OIL” in the Maintenance section of this manual. ADD GASOLINE • 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: Wipe off any spilled oil or fuel. Do not store, spill or use gasoline near an open flame. Gasoline filler cap Primer TO STOP ENGINE • To stop engine, release operator presence control bar. TO START ENGINE NOTE: Due to protective coatings on the engine, a small amount of smoke may be present during the initial use of the product and should be considered normal. 1. To start a cold engine, push primer three (3) times before trying to start. Use a firm push. This step is not usually necessary when starting an engine which has already run for a few minutes. 2. Hold operator presence control bar down to the handle and pull starter handle quickly. Do not allow starter rope to snap back. NOTE: In cooler weather it may be necessary to repeat priming steps. In warmer weather over priming may cause flooding and engine will not start. If you do flood engine, wait a few minutes before attempting to start and do not repeat priming steps. 10 MOWING TIPS MULCHING MOWING TIPS CAUTION: Do not use de-thatcher blade attachments on your mower. Such attachments are hazardous, will damage your mower and could void your warranty. • Under certain conditions, such as very tall grass, it may be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of grass clippings. It may also be necessary to reduce ground speed and/or run the lawn mower over the area a second time. • For extremely heavy cutting, reduce the width of cut by overlapping previously cut path and mow slowly. • For better grass bagging and most cutting conditions, the engine speed should be set in the FAST position. • Pores in cloth grass catchers can become filled with dirt and dust with use and catchers will collect less grass. To prevent this, regularly hose catcher off with water and let dry before using. • Keep top of engine around starter clear and clean of grass clippings and chaff. This will help engine air flow and extend engine life. IMPORTANT: For best performance, keep mower housing free of built-up grass and trash. See “CLEANING” in the Maintenance section of this manual. • 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. Always mulch with your highest engine (blade) speed as this will provide the best recutting action of the blades. • Avoid cutting your lawn when it is wet. Wet grass tends to form clumps and interferes with the mulching action. The best time to mow your lawn is the early afternoon. At this time the grass has dried, yet the newly cut area will not be exposed to direct sunlight. • For best results, adjust the lawn mower cutting height so that the lawn mower cuts off only the top one-third of the grass blades. If the lawn is overgrown it will be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of mulched grass. For extremely heavy grass, reduce your width of cut by overlapping previously cut path and mow slowly. MAX 1/3 • Certain types of grass and grass conditions may require that an area be mulched a second time to completely hide the clippings. When doing a second cut, mow across (perpendicular) to the first cut path. • Change your cutting pattern from week to week. Mow north to south one week then change to east to west the next week. This will help prevent matting and graining of the lawn. 11 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 system or add Stabilizer * (if so equipped) ** Electric-Start mowers *** Power-Propelled mowers a scraper **** Use to clean under deck 1 - Change more often if operating under a heavy load or in high outdoor temperatures. 2 - Service more often if operating in dirty or dusty conditions. 3 - Replace blades more often when mowing in sandy soil. 4 - Charge 48 hours at end of season. 5 - And after each 5 hours of use. LUBRICATION CHART GENERAL RECOMMENDATIONS The warranty on this lawn mower does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, operator must maintain unit as instructed in this manual. Some adjustments will need to be made periodically to properly maintain your unit. At least once a season, check to see if you should make any of the adjustments described in the Service and Adjustments section of this manual. • At least once a year, replace the spark plug, clean or replace air filter element and check blade for wear. A new spark plug and clean/new air filter element assure proper air-fuel mixture and help your engine run better and last longer. • Follow the maintenance schedule in this manual. ➀ Wheel adjuster (on each wheel) ➁ Engine oil ➀ Mulcher door hinge pin ➀ Rear door hinge ➀ Handle bracket mounting pins ➀ Spray lubricant ➁ See "ENGINE" in Maintenance section. BEFORE EACH USE • Check engine oil level. • Check for loose fasteners. LUBRICATION Keep unit well lubricated (See “LUBRICATION CHART”). 12 IMPORTANT: Do not oil or grease plastic wheel bearings. Viscous lubricants will attract dust and dirt that will shorten the life of the self-lubricating bearings. If you feel they must be lubricated, use only a dry, powdered graphite type lubricant sparingly. 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. DRIVE WHEELS Check rear drive wheels each time before you mow to be sure they move freely. The wheels not turning freely means trash, grass cuttings, etc. are in the drive wheel area and must be cleaned to free drive wheels. If necessary to clean the drive wheels, be sure to clean both rear wheels. BLADE CARE For best results, blade must be kept sharp. Replace a bent or damaged blade. CAUTION: Use only a replacement blade approved by the manufacturer of your mower. Using a blade not approved by the manufacturer of your mower is hazardous, could damage your mower and void your warranty. TO REMOVE BLADE 1. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug. 2. Turn lawn mower on its side. Make sure air filter and carburetor are up. 3. Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt. NOTE: Protect your hands with gloves and/or wrap blade with heavy cloth. 4. Remove blade bolt by turning counterclockwise. 5. Remove blade & attaching hardware (bolt, lock washer & hardened washer). TO REPLACE BLADE 1. Position blade on the blade adapter aligning the two (2) holes in the blade with the raised lugs on the adapter. 2. Be sure the trailing edge of blade (opposite sharp edge) is up toward engine. 3. Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft. 4. 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. IMPORTANT: Blade bolt is heat treated. If bolt needs replacing, replace only with approved bolt shown in the Repair Parts section of this manual. Blade adapter Key Crankshaft keyway Lockwasher Blade Blade bolt Hardened washer Trailing edge Crankshaft TO SHARPEN BLADE NOTE: We do not recommend sharpening the blade - but if you do, be sure the blade is balanced. An unbalanced blade will cause eventual damage to mower or engine. • The blade can be sharpened with a file or on a grinding wheel. Do not attempt to sharpen while on the mower. • 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. If either end of the blade moves downward, sharpen the heavy end until the blade is balanced. GRASS CATCHER • The grass catcher may be hosed with water, but must be dry when used. • Check your grass catcher often for damage or deterioration. Through normal use it will wear. If catcher needs replacing, replace only with approved replacement catcher shown in the Repair Parts section of this manual. Give the lawn mower model number when ordering. GEAR CASE • To keep your drive system working properly, the gear case and area around the drive should be kept clean and free of trash build-up. Clean under the drive cover twice a season. • The gear case is filled with lubricant to the proper level at the factory. The only time the lubricant needs attention is if service has been performed on the gear case. • If lubricant is required, use only Texaco Starplex Premium 1 Grease, Part No. 13 750369. Do not substitute. 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 SAE 30 7. Continue adding small amounts of oil, rechecking the dipstick until oil level settles at FULL. DO NOT overfill, or engine will smoke heavily from the muffler on startup. 8. Always be sure to retighten oil dipstick before starting engine. 9. Reconnect spark plug wire to spark plug. 5W-30 -20 F C -30 0 -20 30 -10 32 0 40 100 80 60 10 20 30 40 TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in cold weather, these multi-viscosity oils will result in increased oil consumption when used above 32°F. Check your engine oil level more frequently to avoid possible engine damage from running low on oil. Change the oil after every 25 hours of operation orat least once a year if the mower is not used for 25 hours in one year. Check the crankcase oil level before starting the engine and after each five (5) hours of continuous use. Tighten oil plug securely each time you check the oil level. TO CHANGE ENGINE OIL 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. AIR FILTER Your engine will not run properly and may be damaged by using a dirty air filter. Replace the air filter cartridge every 100 hours of operation or every season, whichever occurs first. Service air cleaner more often under dusty conditions. TO CLEAN AIR FILTER 1. Loosen screw and tilt cover to remove. 2. Carefully remove cartridge. 3. Clean by gently tapping on a flat surface. If very dirty, replace cartridge. CAUTION: Petroleum solvents, such as kerosene, are not to be used to clean cartridge. They may cause deterioration of the cartridge. Do not oil cartridge. Do not use pressurized air to clean or dry cartridge. 4. Install cartridge, then replace cover making sure the tabs are aligned with the slots in the back plate. Fasten screw securely. Back plate Lip Cartridge Slot Cover Container Cover tab MUFFLER Inspect and replace corroded muffler as it could create a fire hazard and/or damage. 4. Wipe off any spilled oil from lawn SPARK PLUG mower or side of engine. Replace spark plug at the beginning of 5. Slowly pour oil down the oil fill spout, stopping every few ounces to check the each mowing season or after every 100 hours of operation, whichever occurs oil level with the dipstick. first. Spark plug type and gap setting 6. Stop adding oil when you reach the are shown in the “PRODUCT SPECIFICFULL mark on the dipstick. Wait a minute to allow oil to settle. 14 ATIONS” section of this manual. CLEANING IMPORTANT: For best performance, keep mower housing free of built-grass and trash. Clean the underside of your mower after each use. CAUTION: Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug. • Clean the underside of your lawn mower by scraping to remove build-up of grass and trash. • Clean engine often to keep trash from accumulating. A clogged engine runs hotter and shortens engine life. • Keep finished surfaces and wheels free of all gasoline, oil, etc. • We do not recommend using a garden hose to clean lawn mower unless the electrical system, muffler, air filter and carburetor are covered to keep water out. Water in engine can result in shortened engine life. CLEAN UNDER DRIVE COVER Clean under drive cover at least twice a season. Scrape underside of cover with putty knife or similar tool to remove any build-up of trash or grass on underside of drive cover. SERVICE AND ADJUSTMENTS WARNING: To avoid serious injury, before performing any service and 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 wire where it cannot come in contact with plug. 8. Turn lawn mower on its side with air filter and carburetor down. 9. Reinstall blade. LAWN MOWER TO ADJUST CUTTING HEIGHT See “TO ADJUST CUTTING HEIGHT” in the Operation section of this manual. REAR DEFLECTOR The rear deflector, attached between the rear wheels of your mower, is provided to minimize Gearcase pulley the possibility that objects will be thrown out of the rear of the mower into the operator mowing position. If the deflector becomes damaged, it should be replaced. TO REMOVE DRIVE BELT 1. Remove drive cover. 2. Remove spring and belt keeper. 3. Remove belt from gearcase pulley. 4. Turn lawn mower on its side with air filter and carburetor down. 5. Remove blade, engine pulley and debris shield. 6. Remove engine pulley and belt from debris shield. TO REPLACE DRIVE BELT 1. Place new drive belt in engine pulley and belt retainer of debris shield. 2. Route the other end of the new drive belt through hole in housing. 3. Reinstall debris shield. 4. Return mower to upright position. 5. Install new belt on gearcase pulley. 6. Reinstall belt keeper and spring. Belt 7. Reinstall drive cover. retainer NOTE: Always use factory approved belt to assure proper fit and long life. Debris shield 15 Drive cover Spring Belt keeper Belt Engine pulley Drive belt TO ADJUST HANDLE 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. High ENGINE ENGINE SPEED 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 engine is running too fast or too slow, take your mower to a Husqvarna or other qualified service center for repair and adjustment. Handle pin Medium CARBURETOR Your carburetor is not adjustable. If your engine does not operate properly due to suspected carburetor problems, take your lawn mower to a Husqvarna or other qualified service center for repair and/or adjustment. IMPORTANT: Never tamper with the engine governor, which is factory set for proper engine speed. Overspeeding the engine above the factory high speed setting can be dangerous. If you think the engine-governed high speed needs adjusting, contact a Husqvarna or other qualified service center, which has proper equipment and experience to make any necessary adjustments. SQUEEZE Low Handle bracket STORAGE Immediately prepare your lawn mower for storage at the end of the season or if the unit will not be used for 30 days or more. handle clear the brackets and pivot entire handle assembly forward and allow it to rest on mower. • When setting up your handle from the storage position, you must manually lock lower handle into mowing position. IMPORTANT: When folding the handle for storage or transportation, be sure to fold the handle as shown or you may damage the control cables. LAWN MOWER When lawn mower is to be stored for a period of time, clean it thoroughly, remove all dirt, grease, leaves, etc. Store in a clean, dry area. 1. Clean entire lawn mower (See “CLEANING” in the Maintenance section of this manual). 2. Lubricate as shown in the Maintenance section of this manual. 3. Be sure that all nuts, bolts, screws, and pins are securely fastened. Inspect moving parts for damage, breakage and wear. Replace if necessary. 4. Touch up all rusted or chipped paint surfaces; sand lightly before painting. HANDLE You can fold your lawn mower handle for storage. 1. Loosen the two (2) handle knobs on sides of the upper handle and allow handle to fold down to the rear. 2. Squeeze the bottom ends of lower handle toward each other until pins in Operator presence control bar FOLD FORWARD FOR STORAGE MOWING POSITION Upper handle Handle knob Lower handle 16 stabilizer to gasoline in fuel tank or storage container. Always follow the mix ratio found on stabilizer container. Run engine at least 10 minutes after adding stabilizer to allow the stabilizer to reach the carburetor. Do not empty the gas tank and carburetor if using fuel stabilizer. ENGINE OIL Drain oil (with engine warm) and replace with clean engine oil. (See “ENGINE” in the Maintenance section of this manual). CYLINDER 1. Remove spark plug. 2. Pour one ounce (29 ml) of oil through spark plug hole into cylinder. 3. Pull starter handle slowly a few times to distribute oil. 4. Replace with new spark plug. Handle pin SQUEEZE Handle bracket ENGINE 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. • Empty the fuel tank by starting the engine and letting it run until the fuel lines and carburetor are empty. • Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur. • Use fresh fuel next season. NOTE: Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add OTHER • Do not store gasoline from one season to another. • Replace your gasoline can if your can starts to rust. Rust and/or dirt in your gasoline will cause problems. • If possible, store your unit indoors and cover it to protect it from dust and dirt. • Cover your unit with a suitable protective cover that does not retain moisture. Do not use plastic. Plastic cannot breathe, which allows condensation to form and will cause your unit to rust. IMPORTANT: Never cover mower while engine and exhaust areas are still warm. CAUTION: Never store the lawn mower with gasoline in the tank inside a building where fumes may reach an open flame or spark. Allow the engine to cool before storing in any enclosure. TROUBLESHOOTING - See appropriate section in manual unless directed to a Husqvarna Parts & Repair Center. PROBLEM Does not start CAUSE CORRECTION 1. Dirty air filter. 2. Out of fuel. 3. Stale fuel. 4. 5. 6. 7. 8. 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 disconnected. 5. Connect wire to plug. Bad spark plug. 6. Replace spark plug. Loose blade or broken 7. Tighten blade bolt or blade adapter. replace blade adapter. Control bar in released 8. Depress control bar to position. handle. 17 TROUBLESHOOTING - See appropriate section in manual unless directed to a Husqvarna Parts & Repair Center. PROBLEM CAUSE CORRECTION Does not start (continued) 9. Control bar defective. 10. Fuel valve lever (if so equipped) in OFF position. 11. Weak battery (if equipped). 12. Disconnected battery connector (if equipped). 9. Replace control bar. 10. Turn fuel valve lever to the ON position. 11. Charge battery. 12. Connect battery to engine. Loss of power 1. Rear of mower housing or blade dragging in grass. 2. Cutting too much grass. 3. Dirty air filter. 4. Buildup of grass, leaves, and trash under mower. 5. Too much oil in engine. 6. Walking speed too fast. 1. Raise cutting height. Poor cut – uneven 1. Worn, bent or loose blade. 2. Wheel heights uneven. 3. Buildup of grass, leaves and trash under mower. Excessive vibration 1. Worn, bent or loose blade. 2. Bent engine crankshaft. 2. Raise cutting height. 3. Clean/replace air filter. 4. Clean underside of mower housing. 5. Check oil level. 6. Cut at slower walking speed. 1. Replace blade. Tighten blade bolt. 2. Set all wheels at same height. 3. Clean underside of mower housing. 1. Replace blade. Tighten blade bolt. 2. Contact a Husqvarna or other qualified service center. Starter rope hard to pull 1. Engine flywheel brake is on 1. Depress control bar to when control bar is released. upper handle before pulling the starter rope. 2. Bent engine crankshaft. 2. Contact a Husqvarna or other qualified service center. 3. Blade adapter broken. 3. Replace blade adapter. 4. Blade dragging in grass. 4. Move lawn mower to cut grass or to hard surface. Grass catcher not filling (If so equipped) 1. Cutting height too low. 2. Lift on blade worn off. 3. Catcher not venting air. 1. Raise cutting height. 2. Replace blade. 3. Clean grass catcher. Hard to push 1. Grass is too high or wheel height is too low. 2. Rear of mower housing or blade dragging in grass. 3. Grass catcher too full. 4. Handle height position not right for you. 1. Raise cutting height. Loss of drive or slowing of drive speed 1. 2. 3. 4. Belt wear. Belt off of pulley. Drive cable worn or broken. “Loose” drive control system. 18 2. Raise rear of mower housing one (1) setting higher. 3. Empty grass catcher. 4. Adjust handle height to suit. 1. 2. 3. 4. Check/replace drive belt. Check/reinstall drive belt. Replace drive cable. Adjust drive control. ROTARY LAWN MOWER - - MODEL NUMBER 6521RS (96145000500) (PRODUCT NUMBER 961 45 00-05) REPAIR PARTS 36 ROTARY LAWN MOWER - - MODEL NUMBER 6521RS (96145000500) (PRODUCT NUMBER 961 45 00-05) KEY NO. 37 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PART NO. 532 19 99-82 532 19 72-02 532 40 54-16 532 19 47-88 532 13 20-04 532 06 64-26 532 19 15-74 532 18 55-88 532 19 70-19 532 18 88-21 532 75 11-53 532 05 17-93 532 40 54-15 532 75 06-34 532 12 51-62 532 40 88-88 532 18 41-93 532 19 81-70 532 41 37-74 532 40 32-96 532 40 32-97 532 15 00-78 532 16 31-83 873 80 05-00 532 16 13-33 532 16 34-09 DESCRIPTION Handle, Upper (Includes Foam Grip) Handle, Lower Spring, Rear Door, RH Guide, Rope, Side Nut, Hex Lockwasher Insert 1/4-20 Wire, Tie Bolt, Handle 5/16-18 x 1.75 Knob, Handle Bail, Flat, Auto-Walk, Orange Bolt, Carriage Nut, Hex, Centerlock 5/16-18 UNC Cotter, Hairpin Spring, Rear Door, LH Screw Bracket, Upstop Rear Door Assembly Bolt, Rear Door Plug, Mulcher Kit, Housing Handle Bracket Assembly, LH Handle Bracket Assembly, RH Screw, Hex Washer Head Bolt, Hex Head 5/16-18 x 5/8 Nut, Hex, with Lock Washer Insert 5/16-18 Baffle, Side Screw, Hi-Lo Thread #12 x 5/8 KEY NO. PART NO. 27 28 29 30 31 32 33 34 35 36 37 38 532 19 28-76 532 08 86-52 532 19 12-21 532 19 59-63 532 40 67-12 532 85 10-74 532 85 02-63 532 85 10-84 532 40 58-43 532 19 23-25 532 15 04-06 --- 39 40 41 42 45 46 47 48 59 96 --- 532 40 97-26 532 40 74-53 532 40 47-63 532 05 45-83 532 19 05-10 532 19 05-12 532 08 83-49 532 19 09-39 532 18 27-48 532 19 79-91 532 40 47-64 532 41 37-72 DESCRIPTION Skirt, Rear Screw, Hinge 1/4-20 x 1.25 Cable, Operator Presence Blade Adapter / Pulley Blade, 21" Washer, Hardened Lockwasher, Helical Spring 3/8 Screw, Hex Head 3/8-24 x 1.38 Debris Shield Screw Bolt, Engine Engine, Briggs & Stratton, Model Number 124T02 (For engine service and replacement parts, call Briggs & Stratton at 1-800-233-3723) Grassbag Frame, Grassbag Danger Decal Screw Mulcher Door Assembly Deflector, Discharge Nut, Hex Mounting Bracket, Debris Shield Grip, Handle, Foam, Smooth Clip, Cable Warning Decal (not shown) Owner’s Manual, English / Spanish NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm. IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your lawn mower and void your warranty. ROTARY LAWN MOWER - - MODEL NUMBER 6521RS (96145000500) (PRODUCT NUMBER 961 45 00-05) 38 ROTARY LAWN MOWER - - MODEL NUMBER 6521RS (96145000500) (PRODUCT NUMBER 961 45 00-05) KEY NO. PART NO. 39 1 2 3 4 5 6 7 9 10 11 13 14 15 532 40 73-44 532 41 35-42 532 40 62-62 532 19 00-39 532 41 35-41 532 18 16-98 532 40 07-23 532 40 62-58 532 18 93-78 532 40 65-58 532 40 48-44 532 19 34-43 532 40 90-73 16 532 40 90-74 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 532 16 67-85 532 40 64-28 532 19 64-01 532 41 05-94 532 40 16-38 532 19 10-39 532 40 66-90 532 40 66-89 532 40 07-83 532 75 06-34 532 40 16-29 812 00 00-58 532 18 94-03 873 80 04-00 532 40 48-45 DESCRIPTION KEY NO. PART NO. DESCRIPTION Drive Control Assembly (Includes Cable) 32 532 41 31-43 Wheel & Tire Assembly, Rear Cover, Top, Drive Control 33 532 40 91-48 Nut, Hex, Flangelock 3/8-16 Pulley 34 532 40 48-35 Gear Lever, Drive Control 39 532 40 16-30 Washer, Curved, Cylindrical Cover, Bottom, Drive Control 40 532 19 80-11 Wheel & Tire Assembly, Front 8 x 2 Screw, Phillips Head #10 x 5/8 42 532 19 74-80 O-Ring Mounting Bracket, Drive Control 44 532 40 65-80 V-Belt Cable, Drive Control 47 532 06 77-25 Washer 1/2 x 1-1/2 x .134 Decal, Drive Control 49 532 16 34-09 Screw, Hi-Lo Thread #12 x 5/8 Spring 50 532 41 31-04 Belt Keeper Gear Case Assembly, Complete 51 532 08 83-48 Washer, Flat 1/2 Pulley, Drive 60 532 41 27-47 Case, Lower Kit, Wheel Adjuster Assembly, RH 61 532 41 27-36 Case, Upper (Includes Knob and Bearing) 62 532 41 27-45 Shaft, Output, Long Kit, Wheel Adjuster Assembly, LH 63 532 18 35-08 Seal, Output Shaft (Includes Knob and Bearing) 64 532 18 35-11 Bushing Nut, Hex 65 532 18 35-09 Washer Spring Selector 66 532 18 35-14 Seal, Worm Shaft Knob, Selector Spring 67 532 18 35-06 Bearing, Ball Bracket, Wheel Adjusting 68 532 41 27-42 Gear, 28 Teeth Bolt, Shoulder, Hex Head 69 532 41 27-39 Fixed Dog Clutch, LH Bearing, Ball 70 532 41 27-41 Pin, Output Shaft Axle Arm Assembly, RH 71 532 41 27-40 Movable Dog Clutch, LH Axle Arm Assembly, LH 72 532 41 27-38 Shaft, Output, Short Cover Drive 73 532 18 35-13 Screw, Case Screw, Threaded, Rolled #10-25 x 1/2 75 532 41 27-46 Pin, Worm Shaft Spacer 76 532 41 27-44 Fixed Dog Clutch, RH E-Ring 7/16 77 532 41 27-43 Movable Dog Clutch, RH Cover, Dust, Wheel 78 532 41 07-31 Spring, Leaf Nut, Hex 79 532 41 27-37 Shaft, Worm Pawl NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm. IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your lawn mower and void your warranty. 532 41 37-72 Rev. 2 05.01.07 BY Printed in U.S.A.