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IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722

22” Side Discharge 
High Wheel 
Lawn Mower

Model Series 580 

PRINTED IN U.S.A.

FORM NO. 770-10113A

O

PERATOR’S

 

M

ANUAL

Warning: 

This unit 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 engine authorized 
service dealer or contact the service department, P.O. Box 368022 Cleveland, Ohio 44136-9722.

                    (11/98)

Summary of Contents for 580 Series

Page 1: ...ered 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 ...

Page 2: ...gure 1 SECTION 2 CALLING CUSTOMER SUPPORT Locate your mower s model number and serial number Record this information in the space provided To find your unit s specific model number and serial number see the earlier section If you are having difficulty assembling this product or if you have any questions regarding the controls operation or maintenance of this unit please call the Customer Support D...

Page 3: ...y the mower in any direction and cause serious personal injury to the operator or any others allowed in the area Wear sturdy rough soled work shoes and close fitting slacks and shirts Shirts and pants that cover the arms and legs and steel toed shoes are recommended Do not wear loose fitting clothes or jewelry They can be caught in moving parts Never operate a unit in bare feet sandals slippery or...

Page 4: ...u are losing your balance release the blade control handle immediately and the blade will stop in less than 3 seconds Do not Do not mow near drop offs ditches or embankments The operator could lose footing or balance Do not mow slopes greater than 15 degrees as shown on the slope gauge Do not mow on wet grass Reduced footing could cause slipping 3 Children Tragic accidents can occur if the operato...

Page 5: ...e damage before starting and operating the mower Never attempt to make a wheel or cutting height adjustment 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 For safety protection frequently check components and replace with manufacturer s recommended parts when necessary Mower blades are ...

Page 6: ...HERE YOU MAY NOT OPERATE SAFELY 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 If operating a walk behind mower on such a slope it is extremely difficult to maintain your footing and you could slip resulting in serious injury Operate RIDING mowers up and down slopes never across the...

Page 7: ...Attaching the struts Hex Bolt Bell Washer Nut 1 4 20 710 0751 736 0270 712 0287 Saddle Washer 320 I D x 83 O D Lock Washer 5 16 736 0119 Nut 5 16 18 712 0267 736 0451 265 I D x 75 O D x 062 A 1 4 20 620 B Attaching the rear wheels Only required if rear wheels are not installed before shipping Spacer 750 0151 Flat Washer 406 I D x 812 O D x 051 736 3050 Wave Washer 510 I D x 750 O D x 017 736 0504 ...

Page 8: ...tor s manual caters to several models of lawn mowers Please follow instructions pertaining to your unit only Reference to right or left hand side of the mower is observed from the operating position Tools Required Pair of Pliers Set of adjustable wrenches Funnel Important This unit is shipped WITHOUT GASOLINE or OIL in the engine Be certain to service engine with gasoline and oil before operating ...

Page 9: ...e of the weld pin Using a pair of pliers insert the hairpin clip into the inner hole in the weld pin Repeat on other side See Figure 6B Attach the cables to the lower handle with the two cable ties already on the lower handle Pull tight the cable ties and cut off the extra See Figure 6C below Figure 6 Installing Strut Remove the two plastic hand knobs which secure the upper handle to the lower han...

Page 10: ...ight adjusters refer to the Controls section of this manual Note that the right side of the axle shaft has two tabs and the left side has one tab only See Figure 8 Identify the right and the left side of the rear axle shaft before proceeding to install Slide the left side of the rear axle shaft through the right pivot bar as shown in Figure 8 Rotate the axle shaft until the first tab on the right ...

Page 11: ... retainer Remove this retainer following the steps below Lift the spring loaded chute up towards the engine and remove the retainer Lower the chute carefully into the operating position keeping fingers out of the way WARNING The chute retainer is used for shipping purposes only It must be removed from the chute deflector and discarded before operating the mower Figure 10 Installing Mulching Baffle...

Page 12: ...ead this operator s manual and safety rules before operating your lawn mower Compare the illustrations in Figure 12 with your lawn mower to familiarize yourself with the location of various controls and adjustments Figure 12 Chute Deflector Notches Mulching Baffle Hook Blade Control Handle Recoil Starter Front Height Gas Cap Oil Fill Cap Throttle Control Lever Drive Clutch Control Chute Deflector ...

Page 13: ...s equipped with a constant speed throttle which is set at full throttle for best performance WARNING The throttle control cannot be used to stop the engine Also if your mower s throttle control is located on the engine do not adjust the throttle control while the engine is running Primer If equipped The primer is located on the engine as shown in Figure 12 and is used to pump gas into the carburet...

Page 14: ...ade WARNING The blade continues to rotate for a few seconds after the engine has been shut off Disconnect the spark plug wire and ground it against the engine to prevent accidental starting while equipment is unattended NOTE For shipping purposes your mower is set with the wheels in a low cutting height position For best results raise the cutting position until it is determined which height is bes...

Page 15: ...ne and disconnect the spark plug wire before performing any adjustments on your lawn mower Adjusting Cutting Height IMPORTANT All wheels must be placed in the same relative position For rough or uneven lawns move the height adjustment lever to a higher position This will help stop scalping of the grass There is an adjusting plate and thumb lever at each wheel to enable the operator to adjust the m...

Page 16: ...shown in Figure 15 so the cable will move freely beneath the clamp It is not necessary to remove the screw and clamp completely Push the throttle control lever on the handle all the way forward as far as it will go then back it off one click Make certain the throttle control lever remains in this position Push the control lever on the engine as far toward the rear of the engine as it will go Secur...

Page 17: ... keep clear of all moving parts Be careful of heated surfaces like the muffler SECTION 11 LUBRICATION WARNING Always stop engine and disconnect spark plug wire before cleaning lubricating or performing any kind of work on your lawn mower For complete lubrication chart see Figure 17 Wheels The wheels require no lubrication However if the wheels are removed for any reason lubricate the surface of th...

Page 18: ...e deck with a suitable tool Do not use water Put the mower back on its wheels on the ground If you had put plastic under the gas cap make sure to remove it now WARNING 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 problems in starting the engine Blade Care Disconnect spark plug wire from spa...

Page 19: ...he torque listed below Blade Mounting Torque Blade Adapter Bolts 120 inch lbs minimum 150 inch lbs maximum Center Bolt 450 inch lbs minimum 600 inch lbs maximum IMPORTANT The bolt used to secure the blade to the engine is specially heat treated Do not substitute To order replacement bolt refer to the Parts List section of this manual WARNING To ensure safe operation of your unit all nuts and bolts...

Page 20: ...move the two shoulder screws from top of the deck which secures the front drive cover to the mower deck Remove the front drive cover from the unit by lightly pressing inward on the sides of the front drive cover This will release the tabs that secure the front drive cover to the height adjuster brackets Remove the idler and hardware from the idler bracket using 7 16 wrench and socket Remove the be...

Page 21: ...nce a season Spark plug replacement is recommended at the start of each mowing season check engine manual for correct plug type and gap specifications Clean the engine regularly with a cloth or brush Keep the cooling system blower housing area clean to permit proper air circulation which is essential to engine performance and life Be certain to remove all grass dirt and combustible debris from muf...

Page 22: ...engine manual packed with your unit Refer to the engine manual packed with your unit Engine overheats Engine oil level low Dirty aircleaner Air flow restricted Carburetor not adjusted properly Fill crankcase with proper oil Refer to the engine manual packed with your unit Stop engine and disconnect spark plug wire Remove blower housing and clean Refer to the engine manual packed with your unit or ...

Page 23: ...3 4 6 7 8 12 15 17 68 13 9 11 10 14 16 20 21 19 18 22 23 24 25 26 28 27 67 66 54 29 30 55 56 61 62 63 64 65 60 59 57 53 52 51 50 44 45 47 48 46 49 41 36 34 36 43 42 33 37 38 39 40 32 5 69 70 71 72 69 74 73 SECTION 15 REPAIR PARTS ...

Page 24: ...756 1146A Drive Pulley 36 753 0825 Blade Adapter Kit 37 742 0642 Blade 22 742 0742 Mulching Blade 22 38 736 0452 Bell Washer 396 I D x 1 140 O D x 39 710 0606 Hex Screw 1 4 20 x 1 50 40 710 1257 Hex Screw 3 8 24 x 2 50 41 710 0599 Tapp Screw 1 4 20 x 500 42 736 0270 Bell Wash 265 x 75 x 062 43 712 0287 Hex Nut 1 4 20 44 736 0270 Bell Washer 265 x 75 x 062 45 782 7006 Hinged Mounting Bracket 46 732...

Page 25: ...21 0329 Seal Oil 500x 687 x 094 20 741 0673 Flange Bearing 503 x 689 x 792 21 611 0105 Output Shaft 22 736 0520 Flat Washer 504 x 700 x 030 23 717 1492 Pinion Shaft 10T 24 736 0314 Thrust Washer 375 x 70 x 030 25 736 0569 Thrust Washer 388 x 625 x 062 26 618 0299 Housing Lwr Includes 27 27 741 0672 Flange Bearing 378 x 531 x 370 28 710 1276 Hex Screw w Wash 1 4 20 x 750 29 618 0298A Transmission C...

Page 26: ... Black Hardware 7510042823 Screw Part No 731 1586B 731 1612A Color Black Red Hardware 710 1274 Screw Part No 731 1585B Color Black Part No 7511681311 7511681911 7511682011 Color Black Red Gray Hardware 710 1256 Screw Part No 751B281451 Color Gray Hardware 710 1237 Screw Part No 751B281476 751B281777 Color Black Yellow Engine Shroud Chart NOTE This chart shows all the optional engine shrouds for th...

Page 27: ...27 ...

Page 28: ... Department of MTD PRODUCTS INC Transportation charges Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser Units exported out of the United States MTD PRODUCTS INC does not extend any warranty for products sold or exported outside of the United States of America its possessions and territories except those sold through MTD PRODU...

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