Yard-man OPERATOR’S MANUAL 21” Self-Propelled Mower Model 247.379790 Factory No. IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an infernal 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 stern is equipped with a spark arrested meeting applicable local or state laws (if any).
TABLE OF CONTENTS Content important Safe Operation Practices Slope Gauge. Assembling Your Lawn Moe Know Your Lawn Mower Operating Your Lawn Mower Making AGRIBUSINESS ooh Erie eerie omen cameramen coastline senna rice 1 Maintaining Your Lawn Mower Troubleshooting Parts List ooo FINDING MODEL NUMBER This Operator's Manual is an important part of your new lawn mower. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says.
SECTION 1: IMPORTANT SAFE OPERATION 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.
unclogging the chute. The cutting blade continues to rotate for a few seconds after the engine is shut off. Never place any part of the body in the blade area until you are sure the blade has stopped rotating. 20. Never operate mower without proper frail 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 s0, can result in personal injury. 21.
3. Check the blade and engine mounting bolts at frequent 9. Grass catcher components, discharge cover, and trail intervals for proper tightness. Also, visually inspect blade shield are subject to wear and damage which could for damage {e.g ., bent, cracked, worn) Replace blade possess moving parts or allow objects to be thrown. For with the original equipment manufacture's blade safety protection, frequently check components and only, listed in this manual.
SECTION 2: SLOPE GAUGE Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower on such slopes. I SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE 1 lee. A POWER POLE te 1 eee A CORNER OF A BUILDING . “..lt | ORA FENCE POST . I Seal Foy “ESE, “Ming , 1 “sg, = = ~S0RE =] 1 Seen 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.
SECTION 3: ASSEMBLING YOUR LAWN MOWER IMPORTANT: This unit is shipped without gasoline or oi in the engine. Be certain fo 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. Removing Unit From Carton + 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 {Le.
NOTE: Make certain the drive cable is routed around the outside and above the lower handle so it does not Interfere with attaching the grass bag. + The rope guide, which is connected to the support rod, is located on the right side of lower handle. See Figure 5. «With the spark plug wire disconnected and grounded, hold the blade control handle against the upper handle, and pull the starter rope out of the engine. Release the blade control handle. Slip the starter rope into the rope guide.
SECTION 5: OPERATING YOUR LAWN MOWER Towards Better Mower Performance A 1. Pour fresh, clean gasoline into the mower’s gas tank until the tank is full. Do not use gasoline that is more than 30 days old. 2. Make sure to connect the mower’s spark plug wire before trying to start the engine. 3. Add engine oil to the oll fill on the mower engine. Check the dipstick and add more if necessary. Remember that the oil level has to touch the fill line. 4.
the engine. Such objects could be accidentally thrown by the mower in any direction and cause serious personal injury to the operator and others. For best results, do not cut wet grass because if tends to stick to the underside of the mower, preventing proper discharge of grass clippings, and could cause you to slip and fall. New grass, thick grass, or wet grass may require a narrower cut. For a healthier lawn, never cut off more than one-third of the total length of the grass.
SECTION 6: MAKING ADJUSTMENTS ) WARNING: Do not at any time make any adjustments without first stopping engine and disconnecting spark plug wire. Cutting Height Adjustment Your mower is shipped with the cutting height in the lowest position. The cutting height adjustment lever is located above the left rear wheel. To adjust the cutting height, pull the fever out and away from the mower and then move it forward or backward to select a new cutting height. See Figure 10.
required due to normal wear on the cable. Adjustment is needed if all six speeds do not work. The adjustable cable bracket is located on the left side of the mower beside the engine. See Figure 14. «Starr engine and place speed control lever in the sixth speed position. See Figure 13. Bottom View Speed Control Upper Lever Handle Figure 13 «Stop engine and disconnect spark plug wire and ground it against engine. * Loosen hex nut which secures the adjustable cable bracket. See Figure 14.
«Periodically check all fasteners and make sure these are tight. + Follow the maintenance schedule under Customer Responsibilities to get quality performance from your lawn mowed. Lubrication WARNING: Always stop engine and A disconnect spark plug wire before cleaning, lubricating or doing any kind of service work on the lawn mower. Blade Control: Lubricate the pivot points on the blade control handle at slats once a season with light oil. The blade control must operate freely in both directions.
speeds. It may cause damage to the mower, and could break causing personal injury. 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.
Six-Speed Cable Slot Control Arm Lower Pulley Half Figure 20 Place the new belt over the transmission pulley. Start the belt in the pulley groove and rotate the pulley until the belt is seated in the transmission pulley. Refer ta Figure 20. Place the belt between the idler pulley and the belt keeper bracket. Using pliers, rotate the belt keeper bracket so that it snaps into slot on the idler bracket. Refer to Figure 19. Tighten the idler pulley bolt and lock nut half a turn.
+ Refer to engine manual for correct engine storage instructions. + Coat mower's cutting blade with chassis grease to prevent rusting. + Store mower in a dry, clean area. Do not store next 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. to corrosive materials, such as fertilizer.
Model 979 Rok. Part No. Part Description Rot. Part No. Part Description 1. 647-0004 Control Handle 52. 748-0381 Pawl RH 2. 731-0904A Upper Control Handle 748-01888 Paw LH 3. 16864 6 Spd. Rack Cable Bracket 53. 738-0137A Sid Screw 340 10 x .285 OD 4. 731-0820 Control Lever 54. 748-0318 Wheel Sachet 5. 713-0387 Gear Insert 55. 736-0270 Bell Washer 26510 x.75 CD 8. 732-0827 Shift Lever Spring 56. 710-0781 Hex Cap Screw x 820 7. 731-0924 6 Speed Shift Lever 57. 731-1426 Hubcap 8.
Model 979 Ref. No. Part No. Part Description No. Part No. Part Description 1. 720-0223 Grip 33. 712-0896 Hex Jam Nut 2. 732-0803A Spring Lever 34. 782-7598 Belt Keeper 3. 738-0520 Shoulder Nut 825 x 165 Lg. 35. 741-0600 Bearing 4. 710-0751 Cap Screw x 620 36. 732-0849A Extension Spring 5. 736-0270 Bell Washer .28510x.75 CD 37. 750-1080 Flange Spacer 8. 748-0318 Wheel Sachet 38. 682-0027A idler Bracket Assembly 7. 736-0369 Flat Washer .508 10x 1.00D 39. 710-0298 Hex Cap Screw x 1.0 a.
MANUFACTURER'S LIMITED WARRANTY FOR: Yard-man The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD LLC warrants this product against defects 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 materials or workmanship.
