OPERATOR'S MANUA! 21" Self-Propelled Mower Model Number 247.375770 Factory Number 12A-999R402 IMPORTANT: Warning: READ SAFETY RULES AND INSTRUCTIONS This unit is equipped with an internal combustion CAREFULLY 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).
TABLEOFCONTENTS Content Page Important Safe Operation Practices ................................................................... 3 Slope Gauge ...................................................................................................... 6 Assembling Your Lawn Mower ........................................................................... 7 Know Your Lawn Mower .................................................................................... 8 Operating Your Lawn Mower ............
SECTION1: IMPORTANT SAFEOPERATION 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 thechute. Thecutting bladecontinues to obscure your vision of a child who may run into the mower. rotateforafewseconds aftertheengine isshutoff.Never placeanypartofthebodyinthebladeareauntilyouare Keep children away from hot or running engines. They can suffer burns from a hot muffler. surethebladehasstopped rotating. 6. Never allow children under 14 years old to operate a 20. Never operate mower without proper trailshield, discharge cover,grasscatcher, bladecontrol handle or power mower.
3. Check theblade andengine mounting boltsatfrequent intervals forproper tightness. Also,visually inspect blade fordamage (e.g.,bent,cracked, worn)Replace blade withtheoriginal equipment manufacture's (O.E.M.) blade only,listedinthismanual. "Useofpartswhichdonot meettheoriginal equipment specifications mayleadto improper performance andcompromise safetyF 4. Mower blades aresharpandcancut.Wrapthebladeor weargloves, anduseextracaution whenservicing them. 5.
o E SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE 1'91 C A POWER POLE A CORNER OF A BUILDING o >, G) I G) Q. o o co a o_ o C E CO o I o_ 15 ° 0 _ ,_ 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 could slip, resulting in serious injury.
SECTION3: ASSEMBLING YOURLAWNMOWER IMPORTANT:This unit is shipped without gasoline or oil in the engine. Be certain to service engine with gasoline and oil as instructed in the separate engine manual before operating your mower. Handle Assembly NOTE: Reference to right or left hand side of the mower is observed from the operating position. Wing N/ut RemovingUnitFromCarton • Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton.
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.
Engine Controls StoppingEngine See the separate engine manual for the location and function of the controls on the engine. • Release blade control handle to stop the engine and the blade. • Disconnect spark plug wire and ground it to the post on the engine. SECTION5: OPERATING YOURLAWNMOWER r TowardsBetterMowerPerformance 1. 2. 3. 4. 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.
Tochargethebattery: • Removetheprotective capfromtheendofthe batterypacklead.SeeFigure7. • Plugchargerleadintobatterypacklead. • Insertbatterychargerpluginto120voltstandard household outlet. Itisveryimportant tofollowthisorderofactionfor properchargingofthebattery.Aftercharging,disconnectbatterychargerplugfromhousehold outletfirst, thendisconnect chargerleadfrombatterypacklead. proper discharge of grass clippings, and could cause you to slip and fall.
NOTE: The chute door has been designed to move the starter rope out of the way of the bag when the chute door is opened. grass bag will open and the grass clippings will disperse. When replacing the grass bag, be sure the top of the bag rests on the wire support between the handles. Door AttachingSideDischargeChute • Remove mulching baffle or grass bag adapter from unit by disconnecting wing nuts. Attach side discharge chute to unit and secure with the three wing nuts. See Figure 10.
Bottom View hills, front wheels should be locked in the WARNING: When operating mower on straight ahead position. ® HandleHeightAdjustment Adjustment Your mower is shipped with the handle in the higher height position. To lower the height proceed as follows: Wheel_,,_ • • • • • • • • pper Handle Remove the starter rope from the rope guide. Remove the upper handle by removing the hand knobs and carriage bolts. Lay the upper handle out of the way, being careful not to bend or kink the cables.
SECTION7: MAINTAININGYOURLAWNMOWER GeneralRecommendations CustomerResponsibilities MAINTENANCE SCHEDULE ee_ SERVICE Z Z.Z z DATES Lubricate Wheels t-- O Lubricate Blade Control Clean Deck nn _ Blade Care 4_ _ Check Oil Change Oil _ 4_ Replace Air Filter w Clean Engine £_ _ Check Spark Plug _ Check Spark Arrester (if any) 4_ • Always observe safety rules when performing any maintenance. blade control must operate freely in both directions. See Figure 15.
Maintenance speeds. It may cause damage to the mower, and could break causing personal injury. NOTE: When tipping the unit, empty the fuel tank and keep the air cleaner side of engine up. 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 a starting problem. Blade Adapter__ Engine Refer to the separate engine manual for all engine maintenance instructions.
Remove the hex bolt from the rear of unit holding the transmission to the mower housing. See Figure 17. • • • • Slide the belt out from between the belt keeper bracket and the idler pulley. Squeeze the belt together and push it forward, while pressing the control arm inward towards the deck and remove the six speed cable from the slot. See Figure 19. Pivot the control arm down away from the pulley and belt. Lift off the lower pulley assembly and remove the old belt from around the crankshaft.
• Upper Pulley_ Half • • Tab It • _ .. \_>_ _ _e;r d Pin.___j_ Lower Pulley Reinstall the bolt securing transmission to rear mower housing. Pivot the baffle back to its original position and secure with three hex screws removed earlier. Lightly lubricate the inside of the blade adapter and reinstall the spacer, wave washer, blade adapter assembly, and blade in the correct order. Tighten the hex bolt to secure the blade to torque: 450-600 in. Ibs.
SECTION8: TROUBLESHOOTING Problem Engine fails to start Engine runs erratic Engine overheats Cause Remedy 1. 2. 3. 4. Blade control handle disengaged. Spark plug wire disconnected. Fuel tank empty or stale fuel. Blocked fuel line. 1. 2. 3. 4. Engage blade control handle. Connect wire to spark plug. Fill tank with clean, fresh gasoline. Clean fuel line. 5. 6. Faulty spark plug. Engine flooded 5. 6. Clean, adjust gap, or replace. Wait a few minutes to start engine. 1. 2. Spark plug wire loose.
Model999 2.
Model999 Ref. No. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. Part No.
Model999 2 17 16 / / \ / 11 \ 5 2_ \ \ / 20 60 \ \ 20
Model999 Ref. No. Part No. Ref. No. Part Description Part No. Part Description 1. 720-0223 Grip 33. 712-0896 Hex Jam Nut 1/4-28 2. 732-0803A Spring Lever 34. 782-7598 Belt Keeper 3. 738-0529 Shoulder Nut .825 x .165 Lg. 35. 741-0600 Bearing 4. 710-0751 732-0849A Extension Spring 736-0270 Cap Screw 1/4-20 x .620 Bell Washer .285 ID x .75 OD 36. 5. 37. 750-1050 Flange Spacer 6. 748-0318 Wheel Rachet 38. 682-0027A Idler Bracket Assembly 7. 736-0369 Flat Washer .
ModelE999 28 24 12 ^ 3\ j._" 40 53... \ 4" 26 \ \\ \ \ \ \ \ \ 25 \ \. / / 36 / / 3 / / J / / / x35 / / / / \ \ \ \ b "2 22 \ i
ModelE999 Ref. No. 1. Part No. Ref. No. Part Description Part No. 710-1174 Carriage Bolt 5/16-18 x 2.0 31. 631-0071 714-0104 Cotter Pin .072 x 1.12 Lg. 32. 747-0939 3. 4. 720-0241 726-0240 Knob Assembly 5/16-18 5. 6. , 736-0451 720-0270 7. 736-0451 Saddle Washer 11. 712-0324 12. 14. 646-0875 746-0912 16. 17. Part Description . Grass Bag Cover Pivot Rod i 33. 726-0106 Cap Nut Grassbag Frame 35. 747-0940A 36. 664-0121 Grassbag 37.
MANUFACTURER'S LIMITED WARRANTY FOR: YaRD-MaN )/./ The limited warranty set forth below is given by MTD LLC d. 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.
