Operator's Manual 22" Self-Propelled Mower Model Series 520 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forestcovered, 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 S
TABLEOFCONTENTS Content Page 3 6 7 9 Important Safe Operation Practices Slope Gauge Assembling Your Lawn Mower Know Your Lawn Mower Operating Your Lawn Mower 10 Content Making Adjustments Maintaining Your Lawn Mower Trouble Shooting Illustrated Parts Page 11 12 15 16 Warranty 20 FINDINGMODELNUMBER This Operator's Manual is an important part of your new lawn mower. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says.
SECTION1: IMPORTANT SAFEOPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol - heed its warning.
complete stopbefore removing thegrass catcher or doorways, shrubs, trees, or other objects that may unclogging thechute. Thecutting bladecontinues to obscure your vision of a child who may run into the mower. rotate forafewseconds aftertheengine isshutoff.Never placeanypartofthebodyinthebladeareauntilyouare Keep children away from hot or running engines. They can suffer burns from a hot muffler. surethebladehasstopped rotating. 6. Never allow children under 14 years old to operate a 20.
3. Check thebladeandengine mounting boltsatfrequent intervals forproper tightness. Also,visually inspect blade fordamage (e.g.,bent,cracked, worn)Replace blade withtheoriginal equipment manufacture's (O.E.M.) blade only,listedinthismanual. "Useofpartswhichdonot meettheoriginal equipment specifications mayleadto improper performance andcompromise safety!" 4. Mower blades aresharpandcancut.Wrapthebladeor weargloves, anduseextracaution whenservicing them. 5.
SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE o E i,II t- A POWER POLE ! O >, A CORNER OFA BUILDING I OR A FENCE POST Q,. o o 1:3 09 Q. O _6 t>, E co o >, ,o I t-(,9 Q. o o o WARNING O3 64 o tO .co r- Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A riding mower could overturn and cause serious injury.
SECTION3: ASSEMBLING YOURLAWNMOWER IMPORTANT: This unit is shipped without gasoline or oil in the engine. Be certain to service engine with gasoline and oil as instructed in the separate engine manual before operating your mower. Lower NOTE: Reference to right or left hand side of the mower is observed from the operating position. RemovingUnitFromCarton • • • • Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton.
RemovingChuteRetainer The chute deflector on your mower is held in an upright position by a retainer for shipping purposes only. Remove the retainer, following steps below, before running the mower for the first time. • • NOTE: Install bottom lip inside chute opening (indicated by I in the figure below) before placing hooks over the hinge pin (indicated by2 in the figure below). Hinge Pin Push the chute deflector up and towards the engine. Holding the deflector in this position, remove the retainer.
SECTION4: KNOWYOURLAWNMOWER Read this operator's manual and safety rules before operating your lawn mower. Compare the illustration in Figure 8 with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference.
SECTION5: OPERATING YOURLAWNMOWER TowardsBetterMowerPerformance 1. 2. 3. 4. Pour fresh, clean gasoline into the mower's gas tank until the tank is full. Do not use gasoline that is more than 30 days old. Make sure to connect the mower's spark plug wire before trying to start the engine. 5. Hold blade control down and pull rope firmly to start the engine. 6. Set cutting height adjustment lever to middle setting and mow a single pass on your lawn; then adjust to desired height for a closer cut.
WARNING: If you strike a foreign object, stop the engine. Remove wire from the spark plug, thoroughly inspect the mower for any damage, and repair the damage before restarting and operating the mower. Extensive vibration of the mower during operation is an indication of damage. The unit should be promptly inspected and repaired. Mulching For effective mulching, do not cut wet grass because it tends to stick to the underside of the deck, preventing proper mulching of grass clippings.
SECTION7: MAINTAININGYOURLAWNMOWER CustomerResponsibilities o MAINTENANCE SCHEDULE _ .# SERVICE DATES _,,_,, Lubricate Wheels F-- © Lubricate Blade Control _ rr a_ Clean Deck Blade Care Check Oil Change Oil _Z Replace Air Filter _7 Clean Engine U.l Check Spark Plug Check Spark Arrester (if any) GeneralRecommendations • Always observe safety rules when performing any maintenance. • Changing of engine governed speed will void engine warranty.
Maintenance NOTE: When tipping the unit or emptying the fuel tank keep the air cleaner side of engine up. Never tip the mower more than 90 degrees and do not leave the mower tipped for any length of time. Oil can drain into the upper part of the engine causing a starting problem. Blade Adapter-r-_ Blade Bell Support Engine Refer to the separate engine manual for all engine maintenance instructions. • • • Bolt Maintain engine oil as instructed in the separate engine manual packed with your unit.
• Drive Belt RemovalAndReplacement • Disconnect the spark plug wire and ground it against the engine. • Drain the fuel tank or place a piece of plastic beneath the cap to prevent gasoline leakage. • If unit is tipped for easier access to belt, tip the mower back on its side with the air filter side away from the ground. • To get easier access to the belt, just securely place the mower on raised blocks. • Slide the belt off the engine pulley and around the blade. See Figure 15.
SECTION8: TROUBLESHOOTING Problem Engine fails to start Engine runs erratic Engine overheats Idles poorly Excessive vibration Cause 1. 2. 3. 4. Blade control disengaged. Spark plug wire disconnected. Fuel tank empty or stale fuel. Blocked fuel line. 1. 2. 3. 4. Engage blade control. Connect wire to spark plug. Fill tank with clean, fresh gasoline. Clean fuel line. 5. 6. Faulty spark plug. Engine flooded. 5. 6. Clean, adjust gap, or replace. Wait a few minutes to restart, but do not prime. 1. 2.
SECTION9: PARTSLISTFORMODELSERIES520 3 10 S 14 13 \ 12 12 \ 24 21 22 39 18 20 44 55 20 25 54 57 31 / \ \ 51 53 38 47 19 43 45 \ 20 \ 60 16 29
ModelSeries520 Ref. No. Part No. Part Description Ref. No. Part No. Part Description 747-1214 747-1161A Drive Control Handle 32. 748-04016A Blade Adapter Blade Control Handle 742-0742A 22" Mulching Blade 746-1113 Blade Control Cable - 37.75" 33. 34. 736-0524B Bell Blade Support 746-1132 Blade Control Cable - 40.75" 35. 710-1044 Hex Cap Screw 3/8-24 x 1.5 4, 746-04204 Drive Control Cable 36. 782-0584 Forward Height Adjustment Plate - RH 5. 749-1092A Upper Handle 37.
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MANUFACTURER'S LIMITED WARRANTY The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States, its possessions and territories. "MTD"warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in materials or workmanship.
