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Instruções de Operação Bolens, Modelo 721

Fabricante : Bolens
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WARNING: Use extreme care when handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Never fuel the machine indoors or while the engine is hot or running. Extinguish cigarettes, cigars, pipes and other sources of ignition. WARNING: The electric starter must be used with a properly grounded three-prong receptacle at all times to avoid the possibility of electric shock. Follow all instructions carefully prior to operating the electric starter. Press auger control handle to engage auger Recoil Starter Electric Starter Key Spark Plug Access Primer Choke Lever 8 To Stop Engine • To stop engine, turn ignition key counter-clockwise. Disconnect the spark plug wire from the spark plug to prevent accidental starting while equipment is unattended. To help prevent possible freeze-up of starter, proceed as follows: • Run engine for a few minutes before stopping to help dry off any moisture on the engine. • Electric Starter: Connect power cord to switch box on engine, then to 120 volt AC receptacle. With the engine running, push starter button and spin the starter for several seconds. The unusual sound made by spinning the starter will not harm engine or starter. Disconnect the power cord from receptacle first, and then from switch box. Recoil Starter: With engine running, pull starter rope with a rapid, continuous full arm stroke three or four times. Pulling the starter rope will produce a loud clattering sound, which is not harmful to the engine or starter. • Wipe all snow and moisture from the carburetor cover in the area of the control levers. Also, move control levers back and forth several times. Leave throttle control lever in the STOP or OFF position. Leave choke control in the FULL choke position. • Remove ignition key and disconnect spark plug wire to prevent accidental starting. Operating the Snow Thrower The pitch of the discharge chute controls the angle at which the snow is thrown. • Loosen the wing knob found on the left side of the discharge chute and pivot the upper chute upward or downward to the desired pitch. Retighten the wing knob before operating the snow thrower. • Position the discharge chute opening by using the Chute Handle to throw the snow in the desired direction. See Figure 5. Figure 5 Operating Tips • Discharge snow downwind whenever possible. Slightly overlap each previously cleared path. • Lifting up on the handle will allow the rubber on the augers to propel the snow thrower forward. Pushing downward on the handle will raise the augers off the ground and stop forward motion. NOTE: Excessive upward pressure on the handle will result in premature wear on the rubber auger blades which would not be covered by warranty. • Run the engine for a few minutes before stopping to help dry any moisture on the engine. • Clean the snow thrower thoroughly after each use. SECTION 5: MAKING ADJUSTMENTS Shave Plate • To check the adjustment of the shave plate, place the unit on a level surface. See Figure 6. The wheels, shave plate and augers should all contact level surface. Note that if the shave plate is adjusted too high, snow may blow under the housing. If the shave plate wears out excessively, or the unit does not self-propel, the shave plate may be too low and needs to be adjusted. NOTE: On new units or units with a new shave plate installed, the augers may be slightly off the ground. Figure 6 WARNING: Muffler, engine and surrounding areas become hot and can cause a burn. Do not touch. Wing Knob Chute Handle Upper Chute WARNING: NEVER attempt to make any adjustments while the engine is running, except where specified in the operator’s manual. Augers Shave Plate 9 • To adjust, tip the snow thrower back so that it rests on the handle. Loosen the four lock nuts and bolts which secure the shave plate to the housing. See Figure 7. Move the shave plate to desired position and retighten the nuts and bolts securely. Figure 7 Control Cable As a result of both the control cable and the drive belt stretching due to wear, periodic adjustments may be necessary. If the auger seems to hesitate when rotating while the engine maintains a constant speed, an adjustment is necessary. Proceed as follows: The upper hole in the control handle provides for an adjustment in cable tension. To adjust, disconnect the end of control cable from the bottom hole in the control handle and reinsert it in the upper hole. Test the snow thrower to see if there is a noticeable difference. Carburetor • Refer to the separate engine manual, packed with your unit, for carburetor adjustment information. SECTION 6: MAINTAINING YOUR SNOW THROWER Replacing Belt • Remove the belt cover by removing five hex screws. See Figure 8. Figure 8 • Pull up on the idler pulley and slip the belt off the engine pulley. See Figure 9. Figure 9 • Reassemble new belt. Reinstall the belt cover. Replacing Shave Plate The shave plate is attached to the bottom of the auger housing and is subject to wear. It should be checked periodically....