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Resumen del manual
Next, place shoulder spacer (V) and hex bo!t (U) through tow bar and frame. Secure with hex nut (W). See figure 15. Repeat for other side. 3. Secure the two tow bar ends together with truss machine screw (X), lock washer (Y) and hex nut (Z). See figure 15. To attach the tow bar to a hitch, place the shouldf bolt (AA) up through the tow bar. Place one bellevi^ washer (AB) on the shoulder bolt, then the hitch plate and the other belleville washer. Cupped side of the washers must be against the hitch plate. Secure with hex jam lock nut (AC). See figure 15. 8 OPERATION BEFORE STARTING ENGINE "Service engine with gas and oil. See engine manual acked with vacuum for complete instructions for care and maintenance of engine. READ DIRECTIONS CAREFULLY. A CAUTION REVOLVING BLADES-KEEP HANDS AWAY FROM ALL OPENINGS TO START ENGINE After the engine has been properly fueled and oiled (refer to engine operating and maintenance instructions), start engine following the instructions below. 1. Move choke lever on engine to CHOKE position. NOTE A warm engine may not require choking. -<2. Move throttle control lever on engine to FAST position. 3. Crank engine by pulling recoil starter with a quick, firm stroke. Do not pull out so far the rope stops with a jerk. Do not allow rope and handle to snap back into place. 4. After two or three full firm pulls on recoil (or as soon as engine fires), move choke control to RUN position. 5. Self-Propelled Models Only - To engage the drive mechanism, squeeze the clutch grip against the upper handle. Release the clutch grip to stop the forward motion. TO STOP ENGINE 1. To stop engine, move throttle control lever to OFF position.. 2. Disconnect spark plug wire and ground to prevent accidental starting while equipment is unattended. Operate a new engine at intermediate speeds and light load for the first few hours as you would a new automotive engine. IMPORTANT The vacuum bag may have an air escape located on the upper right hand side. See figure 16. The air escape can be opened if the vacuum is operated in wet, sandy or muddy conditions. ADJUSTMENTS A CAUTION Do not at any time make any adjustment to the unit without first stopping engine and disconnecting spark plug wire. HEIGHT ADJUSTMENT The height adjustment crank is located on the right hand side of the vacuum. See figure 17. Turn the crank clockwise to raise the nozzle. Turn the crank counterclockwise to lower. FIGURE 17 9 I CARBURETOR ADJUSTMENT If any adjustments are made to the engine while the engine is running (e.g. carburetor), disengage all clutches. Keep clear of all moving parts. Be careful of heated surfaces and muffler. If carburetor needs adjustment to start or for operation, see "Carburetor Adjustment" section of engine manual. CLUTCH ROD ADJUSTMENT (Self-Propelled Models Only) To adjust the clutch rod, refer to step numbers £ and 9 under assembly instructions. LUBRICATION Wheels - Rear wheels are provided with oil lite bearings. Place a few drops of SAE 30 oil on each bearing once a season. Gear Box (Self-Propelled Models Only). The gear box is lubricated with 2 ounces of High Temp. (450° F.) grease. Order part number 737-0133. Periodically check lubricant level by removing the two selftapping screws on the gear box cover and lifting off the cover. Do not change grease; simply acid if necessary. MAINTENANCE A (*warnTng*J Disconnect spark plug wire and ground it against the engine before performing any repairs or maintenance. BELT REPLACEMENT (Self-Propelled Models Only) 1. Remove the nozzle or impeller guard from front of blower housing. 2. Remove hex bolt and lock washer from cen :er of impeller. See figure 18. A 9/16" socket wench with extension is needed. 3. Remove hand knob and belleville washer from top of housing. 4. Remove two self-tapping screws which hoi J the belt guard. See figure 19. A 3/8" wrench is required. Lift off belt guard. FIGURE 19 5. Slide belt off the impeller pulley. Slide housing and impeller off engine crankshaft. Be careful to not lose square key. See figure 20. FIGURE 20 10 6. Slide impeller and blower housing assemblies off crankshaft. \7. Remove belt from P.T.O. pulley and install new belt. See figure 20. ■¡^ NOTE When reassembling the new belt, the aid of another...
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