YaRD-MaN)// Operator's Manual 21" Self Starter Rear-Discharge Lawn Mower Model Series IMPORTANT: Read safety rules and instructions carefully before operating equipment. Warning: This unit is equipped with an internal combustionengine 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 ImportantSafe Operation Practices ................................................................... 3 Slope Gauge ...................................................................................................... 6 Unpacking .......................................................................................................... 7 Assembling Your Lawn Mower ........................................................................... 7 Know Your Lawn Mower .........
SECTION1: IMPORTANTSAFEOPERATION PRACTICES WARNING: This symbol pointsout importantsafety instructionswhich, if not followed, could endanger the personal safety and/or propertyof yourself and others. Read and followall instructionsin this manual beforeattemptingto operate this machine. Failure to complywith these instructionsmay resultin personal injury.When you see this symbol--HEED ITS WARNING.
20. Never operate mower without preper trail shield, discharge cover, grass catcher, blade control handle or other safety protective devices in place and working. Never operate mower with damaged safety devices. Failure to do so, can result in personal injury. 21. Muffler and engine become hot and can cause a bum. Do not touch. 22. Only use parts and accessories made for this machine by the original equipment manufacturer(O.E.M). Failureto do so can result in personal injury. 23.
3. 4. 5. 6. 7. 8. 9. Check the blade and engine mounting bolts at frequent intervals for proper tightness. Also, visually inspect blade for damage (e.g., bent, cracked, worn) Replace blade with the original equipment manufacture's (O.E.M) blade only, listed in this manual. "Use of parts which do not meet the original equipment specifications may lead to improper performance and compromise safety!" Mower blades are sharp and can cut.
SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE 9 A POWER POLE A CORNER OF A BUILDING OR A FENCE POST 15° Q_ ° o_ Z O A 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). 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 couldup slip, in serious injury.
SECTION3: UNPACKING RemovingUnitFromCarton Remove staples, break glue on top flaps or cut tape at carton end and peel along top flap to open carton. Remove loose parts if included with unit (i.e., operator's manual, hardware pack etc.). Cut corners and lay cartondown flat. Remove packing material. Roll or slide unitout of carton. Check carton thoroughlyfor looseparts.
Usinga pair of pliers, insert the hairpin clip into the inner hole in the weld pin. Repeat on the other side. See Figure 4. Move hairpin clipto this hole -- GrassCatcherAssembly NOTE: Make certain the grass bag is tumed fight side out before assembling (warning label will be on the outside). SoffGrass Bag f Weld Pin Handle Figure 4 Parts for soft grass bag: 1. Front Frame 2. Rear Frame 3. Bag Assembling soft grass bag: Join the rear frame and front frame assemblyas shown in Figure 7A.
Liftthe rear discharge door. Place the hooks of the grass catcher into the slots in the handle bracket assemblies on both sides. See Figure 9. Release the rear discharge door. Slide the rod into the upper edge of the chute deflector so the tab on the rod is toward the left side of the chute deflector. When assembled correctly, the rod will extend further to the ]eft side than the right side. See Figure 10. Slide the push nut onto the right side of the rod to secure.
SECTION5: KNOWYOURLAWNMOWER dl& and their properoperation. to stop WARNING: Be familiar Knowhow with all controls the machineand disengage them quickly. DriveControl BladeControl Handle Start Control Button Recoil Starter Upper Handle WARNING: The blade controlhandle is a safety device. Never attempt to bypass its operations. Doing so, may result in personal injury throughcontact with the rotatingblade. The blade rotates whenever the engine is running and when the self starter is deenergized.
14. If engine does not start by the second pull, repeat steps 8, 9,10, 11 and 12. Gasand OilFill-Up SecondTimeStartingEngine handling extremely WARNING:gasoline. Use Gasoline extreme iscare when flammable and the vapors are explosive. Never fuel machine indoors or while the engine is hot or running. Extinguish cigarettes, cigars, pipes, and other sourcesof ignition. NOTE: Follow these instructions if the self starter is already in the energized mode.
NOTE; Engine may stop with a racketing sound. This sound is the serf starter being reactivated/energized for the next start. 2. Do not operate the mower withoutthe mulching cover, the grass catcher bag, or the discharge chute propedyinstalled. Be sure that the lawn is clear of stones,sticks,wire, or other objectswhichcould damage lawn mower or engine. Such objectscould be accidentlythrown by the mower in any directionand cause serious personal injuryto the operatorand others.
page 17 for instruction on how to adjust the cutting height and the handle height. For best results in mowing, keep the cutting height position high until you have determined which cutting height is preferred. SECTION7: MAINTAININGYOURLAWNMOWER Change engine oilafter the first two operating hours and every 25 operatinghours thereafter. Check the oil level beforestartingthe engine every time. Service foam filterin the air cleaner every 25 hours of use and replacethe paperfiltercomponentevery 100 hours.
Pivot Points Lubricatethe pivot points on the blade control handle, brake cable and the cuttingheight adjustment lever at least once a season with light oil. The blade control handle must operate freely in both directions. The cutting height adjustment levers should be able to move easily. Figure 15 SECTION8: SERVICING YOURLAWNMOWER WARNING: Be sure to disconnect the _hb spark plug wire and DE-ENERGIZE starter before lubricating, repairing, or servicing.
If the blade is not balanced, remove metal from the heavy side until it balancesevenly. Install the blade adapter on the pulley with the "star" away from the pulley. See Figure 16. Lock Nut Pulley ReplacingDrive Belt Blade \ j semh,y _ Adapter _ Lock Nut WARNING: Disconnect the spark plug wire and ground it against the engine to prevent unintended starting. Drain fuel into an approved container or place a piece of plastic film underneath the gas cap to prevent gasolinefrom leaking.
Right Front Wheel Left Front /Wheel Pulley _- Engine _ Figure 18 SECTION9: MAKING ADJUSTMENTS A WARNING: Be sure to disconnect the spark plug wire and DE-ENERGIZE starter beforeperformingany adjustments or repairs. DO NOT attempt any maintenance or service to the engine and/or mower equipped with the safety key in the unlocked and/or energized mode. ustment WARNING: NEVER assume starter is deenergized, even if the key is in the locked position and/or removed from the engine.
\ AH_ijguhLent Notch Lower Handle Lever Figure 20 Figure 21 AdjustingCuttingHeight AdjustingCarburetor 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. A An adjusting plate and thumb lever at each wheel position provides cutting height adjustment. Each adjusting plate has nine height positions.
Follow recommendations in the accompanying engine manual for off-season storage of the engine. Change oil as stated in the engine manual. Engine Clean engine and remove any grass clippings, dirt, and debris from the cooling fins, air intake screen, levers, linkage and the exterior of the engine. SECTION11: TROUBLESHOOTING GUIDE Trouble Possible Engine fails to start Blade control handle disengaged. Start control button not depressed. Spark plug wire disconnected. Safety key not in run position.
NOTES 19
SECTION12: PARTSLISTFORMODELSERIES 12 7 \ 71 \ 8 74 23 2O 14 21 28 22 73 53 52 "30 31 35 4O 41 39 43_ 49 2O
ModelSeries ReL No Pa_ No.
ModelSeries °\ 40 46 I _ 25 IMPORTANT: For a proper working machine, use Factory Approved Parts. V-BELTS are specially designed to engage and disengage safely. A substitute (non OEM) V-Belt can be dangerous by not d sengag ng compete y. 52 .
ModelSeries ;. Re_ No Pa_ No. Ref.No Description Pa_ No. Description 1. 712-3025 Hex Jam Nut 5/16-24 31. 741-0604 Bearing Sleeve .50 I.D. 2. 736-0425 BellWasher .325 x .930 x .045 748-0355 3. 756-1042 736-0447 Bearing Support Wave Washer 1.5 x 1.0 x .029 4. 736-0425 Pulley. 3.82 x .313 x .68 Bell Washer .325 x .930 x .645 782-0512B RH HeightAdj. Plate 5. 712-0896 Lock Nut 1/4-28 32. 33. 34. 35. 782-0511A LH Height Adj. Plate 6. 736-0406 Flat Washer .442 x 1.38 x .
MANUFACTURER'S LIMITED WARRANTY FOR: YaRDMaN:)// 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 and territohes. MTD warrants this product against defects in material and workmanshipfor a period of two (2) years commencing on the date of ohginal pumhase and will, at its option,repair or replace, free of charge, any part found to be defective in material or workmanship.
