User manual MTD CADET 80

[. . . ] Owner Your new I nternational@ Cade~ 80 Lawn Tractor is designed to meet today's exacting operating requirements. It is built for efficient, economical performance, ease of operation, and with the ability to adjust to various conditions. These features lighten your work and shorten your hours on the job. You are urged to consult your I nternational Harvester dealer concerning unusual conditions or special applications. Let the experience of your dealer and the organization associated with him serve you. Be sure to read the instructions for Adjusting and Operating in this manual. [. . . ] STATIC FINAL DRIVE BELTS Leveling the Mower From Side to Side AND HYDRO- left lift link is adjustable should the mower require side to side adjustment. Turn the adjusting bolt up or down depending on which side measures too high. MOWER DRIVE V-BELT The drive belts are set at the factory and require no adjustment. When the belts have worn or stretched to a point where slippage occurs in forward or reverse, new belts should be installed. Set the mower clutch lever in the "OFF" position, set the speed control lever in "NEUTRAL", and lock the parking brake. Disconnect high tension wire to the spark plug. To avoid an accident or possible injury, always stop the engine, disconnect the high tension wire to the spark plug, and lock the brake before doing any work on the machine. The mower drive belt requires no adjusting, as proper belt tension is maintained by the spring loaded mower drive belt idler. When the belt has worn or stretched to a point where slippage occurs, a new belt should be installed. Refer to Attaching taching instructions. and De- Disconnect the spring loaded mower drive belt idler from the mower clutch arm in order to reach the crankshaft drive belt idler and also in order to remove the hydrostatic final drive belt. To disconnect the spring, pull the mower drive idler to the right of the tractor and insert a coin (a Quarter is recommended) between two coils of the spring. See page 13. 11 The Turn ADJUSTINGAND OPERATING CRANKSHAFT STATIC FINAL IVIAIN DRIVE AND HYDRODRIVE BELTS -Continued After removing the hydrostatic crankshaft main drive belt. belt, remove the Push up on the hydrostatic final drive belt idler pulley in order to remove the hydrostatic belt. Belt must be removed from the intermediate pulley first. It may also be necessary to turn the engine crankshaft by hand in order to slip the belt over the intermediate pulley. When installing cedure. new belts reverse the above pro- 4 Front ', ' 'O F ' / 1 (9) i I i I I ! i i I II I I 'I (9' DLjp , ~ I I, 1 @ I I I -- \ \ Rear MA. 5921 B l-Mower 2-Mower 3-Mower blade spindles drive belt drive pulley 4-Mover drive belt pulley idler 5-Belt guides 6-Belt guide 12 '-~~ ~ . CARBURETOR ADJUSTMENTS Start the engine and allow it to warm up at 3000 RPM. Turn needle valve in until engine misses (lean mixture) then turn it out past smooth operating point until engine runs unevenly (rich mixture). Turn needle valve to the mid-point between rich and lean so engine runs smoothly. Hold throttle at idle position and set idle speed, adjusting screw until engine idle speed is 1800 RPM. Hold throttle at idle position and turn idle valve in (lean) and out (rich) until engine idles smoothly. Release the throttle -engine should accelerate without hesitation or sputtering. If engine does not accelerate properly, the carburetor should be readjusted, usually to a slightly richer mixture of needle valve. Recommended Fuel 1-Needle valve 2-ldle valve 3-ldle A CAUTION!the speed adjusting screw During in operation confined areas do not such run as This engine is designed to operate on leaded gasoline with a 93 minimum octane rating or on unleaded or low lead gasoline with a 91 minimum octane rating (Research Method). use of unleaded gasoline will lengthen spark plug and valve life, maintain engine performance longer, and reduce rust and corrosion of enginewhile stored. [. . . ] If any oil is visible in the clear tube of the gauge, the oil level is "OK". NOTE: The gauge does not have to fill completely. 18 The Check Store NOTE: At least once a year or before storage lubricate the threaded shafts in the hub of the mower pulleys as follows: 1. Pry off the spring cap retainer and cap using a screw driver. 4. Lubricate the entire length of the threaded shaft, the threads in the hub of the pulleys, the outer surface of the hub and the brake insert with I H 251 H EP grease or equivalent No. 2 multipurpose lithium grease. 2. nut, place a large wood block between the wing of the blade and the deck to keep the blade from rotating. [. . . ]