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YaRD-MaN
OPERATOR'S
MANUAL
21" Self-Propelled
Mulching Mower
Model No.
Factory No.
"_
12A-559K402
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
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.
MTD PRODUCTS
INC. P.O. BOX 368022 CLEVELAND,
OHIO 44136-9722
PRINTED IN U.S.A.
FORM NO. 770-10212
(I 1/98)
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Related Manuals for MTD Yard-Man 12A-559K402
Summary of Contents for MTD Yard-Man 12A-559K402
- Page 1 OPERATOR'S MANUAL 21" Self-Propelled Mulching Mower Model No. Factory No. "_ 12A-559K402 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 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).
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Page 2: Section 1: Finding Model Number
SECTION 1: FINDING MODEL NUMBER This owner's guide is an important part of your new Yard-Man lawn mower. It will help you to assemble, prepare and maintain your mower. Please read and understand what it says. Before you start assembling the mower for its first use, please locate its model plate and copy the information on to this owner's guide. -
Page 3: Safe Operation Practices
SECTION 3: IMPORTANT SAFE OPERATION PRACTICES WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY YOURSELF AND OTHERS, READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE A'I-rEMPTING TO OPERATE YOUR LAWN MOWER. -
Page 4: Slope Operation
• Do not engage the self-propeUed mechanism • Watch for holes, ruts, hidden objects, or bumps. units so equipped while starting engine. Tall grass can hide obstacles. • The blade control handle is a safety device. Never DO NOT: attempt to bypass its operation. Doing so makes the safety device inoperative and may result in •... -
Page 5: Your Responsibility
• Before cleaning, repairing, or inspecting, make thoroughly inspect the mower for any damage. certain the blade and all moving parts have Repair the damage before starting and operating the mower. stopped. Disconnect the spark plug wire, and keep the wire away from the spark plug to prevent Never attempt to make a wheel or cutting height accidental starting. - Page 6 A POWER POLE A CORNER OF A BUILDING OR A FENCE POST _le _le B 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.
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Page 7: Section 6: Setting Up Mower
SECTION 5: UNPACKING Removing Unit From Carton • Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap io open carton. • Remove loose parts if included with unit (i.e., owner's manual, etc.). •... - Page 8 • Raise thelowerhandle in the direction shown in Figure 2 (step 2) till it snaps into place. • Raise the upper handle in the direction shown in Figure 2 (step 3). Tighten the wing nuts which are already on the handle. See Figure 3A. Note: Make sure to route the cables inside the lower handle.
- Page 9 Attaching Grasscatcher • Lift the rear discharge door and remove the rear mulching baffle from the mower, See Figure 5. Rear Mulching Baffle FIGURE 5 NOTE: Make sure that the cables are routed to the outside of the handle and out of the way when attaching the grasscatcher.
- Page 10 SECTION 7" CONTROLS Read this owner's manual and safety rules before operating your lawn mower, Compare the illustrations in Figure 7 with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference, The operation of any lawn mower can result in foreign objects being thrown into the operator's eyes thus causing severe eye damage.
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Page 11: Section 8: Operation
DriveClutchControl The drive clutch control lever is located on the upper handle and is used to engage the drive. Squeeze the lever against the upper handle to engage the drive; release the drive clutch control to slow down or stop the mower. SECTION 8: OPERATION Gas And Oil Fill-Up Oil:... - Page 12 • Alwaysoperate yourmower w iththeengine in thefullthrottle (rabbit) p osition forthemosteffective mulching or bagging of thecutgrass. stop the engine by releasing the blade control handle before adjusting the engine's throttle speed. ARNING: Never attempt to adjust the engine's throttle speed while the engine is running. Always Starting Engine WARNING:...
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Page 13: Section 8: Maintenance
Bagging Grass Clippings You can use the grasscatcher bag to collect clippings while you are operating the mower. Attach the grasscatcher following instructions on page 9 of this manual. The grass clippings will automatically collect in the bag as you run the mower. -
Page 14: Section 9: Service & Adjustments
Engine Maintenance • A list of key maintenance jobs required for good performance by the mower is given below. Follow the accompanying engine manual for detailed list and instructions. • Change engine oil after the first two operating hours and every 25 operating hours thereafter. Check the oil level before starting the engine every time. - Page 15 To Remove Blade • Remove the bolt and bell washer which hold the blade-pulley assembly to the engine crankshaft. See Figure 10. Remove the assembly from the crankshaft, • Remove the two bolts and lock nuts from the blade assembly. •...
- Page 16 Replacing Drive Belt • Remove the two shoulder screws from on top of the deck which secures the front drive cover to the mower deck, See Figure 11. • 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, •...
- Page 17 • IMPORTANT: Torque center hex bolt to between 450 and 600 in. Ibs. Left Front ghteFront _-_" Wheel Removebelt Engine _. \ from around Pulley _=_" _"_ -" e_'_ _----_--_ pulley and blade Cee:_°rlt / FIGURE 12 Adjusting Drive Clutch Control •...
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Page 18: Section 10: Off-Season Storage
•Tum the lower handle around so the notch on the bottom of the lower handle is facing forward as shown in Figure 14A. Reassemble, placing the bottom holes in the handle over the weld pins in the handle mounting bracket. Height Adjustment Lever Notch... -
Page 19: Section 11: Trouble-Shooting
• Inspectandreplace/sharpen blade,if required. R eferto the Maintenance s ectionof this manual f or blade careinstructions. Engine • Follow recommendations in the accompanying engine manual for off-season storage of the engine. • Change oil if it has not been changed in the last three months. For instructions on how to change oil, refer to the engine manual. - Page 20 Model 559K...
- Page 21 For instance, if a part numbered 700-xxxx is painted Yard-Man Green, the part number to order would be 700-xxxx-0665. Yard-Man Green: 0665 Yard-Man Yellow: 0674 Powder Black: 0637...
- Page 22 Model 559K 39 / ® • .• 35•. • ® • • "40...
- Page 23 Model 559K Ref. No Ref. No PeM No. PaN No. Description Description 712-3025 Hex Jam Nut 5/16-24 732-0708 Bearing Retainer 736-O425 Bell Washer .325 x .930 x .045 741-0604 Bearing Sleeve .50 I.D. 756-1042 748-0355 Pulley, 3.82 x .313 x .68 Bearing Support 736-0425 Bell Washer .325 x .930 x .045...
- Page 24 MANUFACTURER'S LIMITED WARRANTY FOR: YaRD'MaN:}// For TWO YEARS from the date of retail purchase Units exported out of the United States: MTD within the United States of America, its possessions PRODUCTS INC does not extend any warranty for and territories, MTD PRODUCTS INC will, at its products sold or exported...