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Produttore : Yard-Man
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File Nome : b0b0f34c-127d-1914-8133-728bfeb726b0.pdf
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Facilità d'uso
Nozzle Height Adjustment The nozzle can be adjusted to any five positions, ranging from 5/8” to 4 1/8” ground clearance. The nozzle height has to be adjusted according to the conditions. Move the height adjustment levers forward or backward to adjust the nozzle upwards or downwards. See Figure 8. NOTE: In general, raise the nozzle height to vacuum a thick layer of leaves or to operate with the blower chute and lower the nozzle height for smoother surfaces. Figure 8 SECTION 5: MAINTAINING YOUR CHIPPER SHREDDER VACUUM Chipper Chute Nozzle Nozzle Height Adjustment Nozzle Lever Customer Responsibilities MAINTENANCE SCHEDULE PRODUCT ENGINE SERVICE DATES Before each use Every 25 hours Every 50 hours Before storage Every 100 hours Once a season Lubricate Wheels Lubricate Locking Rod Check Chipper Blade Change Oil Clean Engine Check Air Filter Check Spark Plug Lubricate Nozzle Levers 10 WARNING: Always stop engine and disconnect spark plug wire before cleaning, lubricating or doing any kind of maintenance on your machine. Lubrication Wheels: Lubricate each wheel shoulder screw once a season with light oil. Refer to Figure 5. Nozzle height adjustment levers: Lubricate the pivot points of the nozzle height adjustment levers once a season with light oil. Refer to Figure 5. Engine: Follow the separate engine manual packed with your unit for lubrication instructions. Maintenance Engine Refer to the separate engine manual for all engine maintenance instructions. • Check engine oil level before each use as instructed in the separate engine manual packed with your unit. Read and follow instructions carefully. • Clean air cleaner every 25 hours under normal conditions or once a season. Clean every few hours under extremely dusty conditions. To service the air cleaner, refer to the separate engine manual packed with your unit. • The spark plug should be cleaned and the gap reset once a season. Check engine manual for correct plug type and gap specifications. Removing The Flail Screen If the discharge area becomes clogged, remove the flail screen and clean area as follows: • Stop the engine and make certain the chipper shredder vacuum has come to a complete stop. • Disconnect spark plug wire from spark plug and ground against the engine. Figure 9 • Remove the bag or blower chute from the unit as instructed in the OPERATION section to obtain access to flail screen. See Figure 9. • Remove hex screw on right side of unit that attaches to the fail screen. See Figure 10. • Remove hex screw and flat washer on top of rear housing mounting bracket and the lock nut that secures flail screen. See Figure 9. • Remove and clean the screen by scraping or washing with water. Reinstall the flail screen. Figure 10 Sharpening Or Replacing Chipper Blade Because the engine on this unit has a tapered crankshaft, a special impeller tool (part number 753- 0900) is required to remove the impeller assembly. For further assistance, contact your local service dealer. NOTE: When tipping the unit, empty the fuel tank and keep spark plug side up. • Disconnect the spark plug wire and ground it away from the spark plug. • Remove the lock nuts, front wheels, and wave washers that attach to the pivot arm assemblies. See Figure 11. Figure 11 Hex Screw & Flat Washer Lock Nut Flail Screen Remove Hex Screw Wave Washer Bell Washer Pivot Arm Assembly Lock Nut Shoulder Screw Height Adjustment Bracket 11 • Remove the shoulder screws and bell washers that go through the pivot arms and height bracket adjusters to the front support brace. • Remove the three screws on the upper housing that secure the nozzle cover and the nine screws that secure the lower housing to the upper housing. See Figure 12. Figure 12 • Remove lock nut that secures flail screen to the lower housing. The flail screen does not have to be removed. • Remove the hex bolt, lock washer, and flat washer that secure the impeller assembly to the crankshaft. See Figure 13. Figure 13 • Apply lubricant to the threads of impeller removal tool and then thread the tool into the crankshaft. Stop when the impeller assembly can move on the crankshaft. • Remove the impeller assembly from the crankshaft. Unthread the impeller removal tool from the impeller assembly. • Remove the blade using a 3/16” allen wrench on the outside of the blade and 1/2” wrench on the impeller assembly. • Replace or sharpen chipper blade. • When sharpening blade, protect hands by using gloves and follow the original angle of grind. • Reassemble by performing the previous steps in reverse order. • Tighten blade screws to 210-250 in-lbs. Tighten impeller bolt to 375-425 in-lbs. NOTE: Make certain chipper blade is reassembled with the sharp edge facing upward. See Figure 14. Figure 14 Storing Your Chipper Shredder Vacuum • Clean the equipment thoroughly. • Wipe equipment with a oiled rag to prevent rust. • Refer to engine manual for correct engine storage instructions • Store unit in a clean, dry area. Do not store next to corrosive materials ...