YARD OPERATOR'S MANUAL 22" Self-Propelled Mower Model Series 520 Thru 530 _ii_, i!i!i!i!i _ ,, MTD"#!!:;( ..... _!i!i!i!i!i!i IMPORTANT: READ SAFETY iiii RULES AND INSTRUCTIONS _ iiiiiiii 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).
TABLEOFCONTENTS Content Page Maintaining Safety ............................................................................................. 3 Slope Gauge ...................................................................................................... 6 Assembling Your Lawn Mower ........................................................................... 7 Know Your Lawn Mower .................................................................................... 8 Operating Your Lawn Mower ..
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 thegrasscatcher or doorways, shrubs, trees, or other objects that may unclogging thechute.Thecuttingblade continues 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. 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.EM.)blade only,listedinthismanual. "Useofpartswhichdonot meettheoriginal equipment specifications mayleadto improper performance andcompromise safetyr' 4. Mower blades aresharpandcancut.Wrapthebladeor weargloves, anduseextracaution whenservicing them. 5.
SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE ' ql A POWER POLE A CORNER OF A BUILDING OR A FENCE POST _D O 15 ° 03 .£ ._. 5cO O3 WARNING CO • ¢0 _ 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 CO O a. r_ --_ o, '-_ "= _ C and you overturn Operate Operate could slip, resulting in seriousIf operating injury. 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. NOTE: Reference to right or left hand side of the mower is observed from the operating position. Nuts Handle RemovingUnitFromCarton Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton.
Removing Chute Retainer (Models 520 Series) 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. Slide the hooks of the side discharge chute under the hinge pin on the mulching baffle. Make sure that the hooks snaps into place, locking the chute firmly onto the mower. See Figure 7. Release the mulching baffle. Push the chute deflector up and towards the engine.
RecoilStarter •Blade Control The recoil starter is attached to the right lower handle. Stand behind the unit and pull the recoil starter to start the unit. See Figure 8. e Control Handle Handle Mulching Plug Chute Starter Cutting Height Adjustment Mulchi_ Plug CuttingHeight AdjustmentLevers These levers are located on each wheel and they are used to adjust the cutting height. All four levers have to be at the same relative position to ensure a uniform cut. See Figure 8.
Ifthewheelstendtolockup,theclutchmaynotbe releasingcompletely. Donotstarttheengineuntil corrections havebeenmade. Checkthedrivecableforseverebends,kinks,or binding.Alsocheckforgrassbuild-uparoundthe belt. Ifdriveclutchcontrolneedsadjustment seethe Adjustment Section. For best results, do not cut wet grass because it tends to stick to the underside of the mower, preventing proper discharge of grass clippings, and could cause you to slip and fall.
HandleHeightAdjustment Nuts Your mower is shipped with the handle in the higher height position. To lower the height proceed as follows: Remove the starter rope from the rope guide. Disconnect the handle from the handle bracket Handle assemblies by removing the wing nuts. See Figure 10. Position each handle bracket assembly stud into one of the other holes in the lower handle. Handle Bracket Each end of the lower handle must be placed in same relative position.
Lubrication usually indicate that the air cleaner should be serviced. To service the air cleaner, refer to the separate engine manual packed with your unit. The spark plug should be cleaned and the gap reset once a season. Spark plug replacement is recommended at the start of each mowing season. disconnect spark plug WARNING: Always stop wire engine before and cleaning, lubricating or doing any kind of service work on the lawn mower, Clean the engine regularly with a cloth or brush.
Pull the belt from under the deck toward rear of unit The blade can be tested by balancing it on a round shaft screwdriver. Remove metal from the heavy side until it balances evenly. It is recommended that the blade always be removed from the adapter when testing for balance. Before reinstalling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner surface of the blade adapter with light oil. and through gap in cutting deck.
Refertoenginemanualforcorrectenginestorage instructions. Coatmower'scuttingbladewithchassisgreaseto preventrusting. Storemowerina dry,cleanarea.Donotstorenext tocorrosivematerials, suchasfertilizer. NOTE:When storing any type of power equipment in a poorly ventilated or metal storage shed, care should be taken to rust-proof the equipment. Using a light oil or silicone, coat the equipment, especially cables and all moving parts.
NOTES 15
ModelSeries520 thru530 5 / 6 12 15 4\ 64 67.
ModelSeries520 thru530 Ref. No. 1. 2. 3. Part No. Ref. No. Part Description Part No. Part Description 747-1214 Drive Control Handle 38. 731-0073 Transmission 747-1161A Blade Control Handle Drive Pulley Blade Control Cable - B&S 748-0426 746-1132 Blade Control Cable - B&S 39. 40. 41. 756-1163 746-1113 742-0642A Blade Adapter Blade 22" 746-1114 746-1092A Blade Control Cable-Tec 4. Drive Control Cable 42. 742-0742A 736-0452 Mulching Blade 22" Bell Washer .396 ID x 1.
ModelSeries520 thru530 4 \ Ref. No. Part No. 1, 618-0392 2, 3, 4, 721-0329 741-0673 3 Part Description Upper Housing Assembly Oil Seal ,500 ID x ,687 OD 736-0520 Flange Bearing ,503 ID x .
MANUFACTURER'S LIMITED WARRANTY FOR: YARD The limited warranty set forth below is given by MTD PRODUCTS INC ("MTD") with respect to new merchandise purchased and used in the United States, its possessions territories. MTD warrants this product against and 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 material or workmanship.