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YARD Operator's Manual 21" Rear Discharge Push Mower Model Series 410 through 429 IMPORTANT: Read safety rules and instructions carefully before operating equipment. 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...
SECTION 1: IMPORTANT SAFEOPERATION P RACTICES 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 your lawn mower. Failure to comply with these instructions may result in personal injury, when you see this symbol, heed its warning.
serious p ersonal injury. K eep afirmhold onthe Do not mow on wet grass. Reduced footing could handle andwalk, n ever r un.Ifyoufeelyouare cause slipping. losing yourfooting, RELEASE THEBLADE CONTROL HANDLE I MMEDIATELY andtheblade Children willstop rotating w ithin three seconds. •...
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Keep allnuts, b olts, andscrews t ight t obesurethe moving p arts orallow objects t obethrown. For equipment isinsafeworking c ondition. safety p rotection, frequently check components and Never t amper withsafety d evices. Check t heir replace w ithmanufacturer's recommended parts, proper o peration regularly.
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USE THIS PAGE AS A GUIDE TO DETERMINE SLOPES WHERE YOU MAY NOT OPERATE SAFELY. ,,11 SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE A POWER POLE • J A CORNER OF A BUILDING OR A FENCE POST WARNING Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet).
SECTION 3: ASSEMBLING YOUR LAWNMOWER Unpacking • In the case of lawn mowers where engine is equipped with a rubber boot, attach rubber boot to • Remove staples, break glue on top flaps, or cut a bolt on the engine to ground. See Figure 1. tape at carton end and peel along top flap to open carton.
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• The rope guide is attached to the right side of upper B. HardtopGrassBag handle. Loosen the wing nut which secures the Parts for Hardtop Grass Bag: rope guide. Front Frame • With the spark plug wire disconnected and Rear Frame (packed inside hardtop cover) grounded, hold the blade control handle against the upper handle, and pull the starter rope out of the Hardtop Cover...
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• Hold thebagandframe sothebaghangs fromthe baffle, l iftthereardischarge d ooronthemower. frame(isnotbunched a round theframe). S lide the Remove t hemulching b affle. S eeFigure 10inset. handle ofthegrasscatcher framethrough theslot inthehardtop coverasshown in Figure 8. Mulch Grass Handle through this slot on _ Door Figure 10...
therodwiltextend further t otheleftside.See Figure 11. Rear Slide thepushnutontotherightsideoftherodto secure. Door Attaching ChuteDeflector ToMower • To attach chute deflector: Lift the rear discharge door on the mower. Place the ends of the rod into Slots the slots in the handle bracket assemblies. See Figure 12.
WARNING: The throttle control cannot be HeightAdjustmentLever used to stop the engine. If your mower's The height adjustment lever is located on each wheel throttle control is located on the engine, and adjusts the cutting height. All four levers have to be do not adjust the throttle control while the put at the same level for uniform cutting height.
• For a healthy lawn, never cut more than one-third of UsingMulcher the total length of the grass at any one cutting. (if equipped) Lawn should be cut in the fall as long as there is • For effective mulching, do not cut wet grass growth.
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NOTE: A dirty air cleaner will cause an engine to run • Adjust the throttle control only if it is out of rough. Be certain air cleaner is clean and attached to adjustment, or if it has been replaced. the carburetor before adjusting carburetor. •...
SECTION 7: MAINTAINING YOUR LAWNMOWER Maintaining the Blade WARNING: ground Be sure to disconnect spark plug wire before • Periodically inspect the blade adapter for cracks, performing any repairs or maintenance. especially if you strike a foreign object. Replace when necessary. Lubrication BladeControl blade...
• Service air cleaner every 25 hours under normal BladeMountingTorque: conditions. Clean every few hours under extremely Center Bolt: 450 in. Ibs. min., 600 in. lbs. max. dusty conditions. Poor engine performance and • To ensure safe operation of your unit, all nuts and flooding usually indicates that the air cleaner should bolts must be checked periodically for correct be serviced.
SECTION 9: TROUBLE SHOOTING GUIDE Trouble Corrective Actions Possible Cause(s) Engine fails to Blade control handle disengaged. Engage blade control handle. start Spark plug wire disconnected. Connect wire to spark plug. Dirty aircleaner. Refer to the engine manual packed with your unit. Primer button not depressed.
SECTION 10: SHROUD CHART Shroud Color Shroud Color 731-1402A Yellow 751 B281439 Dark Red 731-1395A Shroud Color 731-1694 Black 751B281440 Black 731-1396A Black 731-1695 Silver 731-1397A Grey 751B281443 lBright Red 731-1934A Charcoal Hardware: 710-1256 Hardware:710-1256 Hardware: 710-1256 Shroud Color Shroud Color 731-1586B Black...
SECTION 11: PARTS LISTFORMODEL SERIES 410THROUGH 429...
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ModelSeries410Through 429 Part no. Part no. Description Description 747-0824 736-0356 Bell-Wash..39" I.D. x 1.38" Control Handle (Std.) Hex Nut 3/8-16 Thd. 647-0004 712-0798 Control Handle Ass'y. (Deluxe) 710-1205 15261A Rope Guide Height Adj. Plate 720-0279 Handle Knob 1/4-20 Thd. 15262B Pivot Bar 710-1174 14832...
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MANUFACTURER'S LIMITED WARRANTY FOR: YARD c. Routine maintenance items such as lubricants, filters, The limited warranty set forth below is given by MTD blade sharpening and tune-ups, or adjustments such PRODUCTS INC ("MTD") with respect to new merchandise as brake adjustments, clutch adjustments or deck...