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Operator’s Manual
YM320BV
2-Cycle Gas
Mulching
Blower/Vacuum
SAVE THESE INSTRUCTIONS DO NOT THROW AWAY
P/N 769-01400 (1/05)
PRINTED IN USA
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INTRODUCTION THANK YOU TABLE OF CONTENTS Thank you for buying this quality product. This modern Service Information . . . . . . . . . . . . . . . . . . . . . . . . .2 outdoor power tool will provide many hours of useful service. You will find it to be a great labor-saving device. Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . .3 This operator’s manual provides you with easy-to- Know Your Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 understand operating instruct
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RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your SYMBOL MEANING attention to possible dangers. The safety symbols, and their explanations, deserve your careful attention and understanding. The safety warnings do not by Failure to obey a DANGER: themselves eliminate any danger. The instructions or safety warning will warnings they give are not substitutes for proper result in serious injury to yourself or to accident prevention measures. others. Always follow the safety p
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RULES FOR SAFE OPERATION • Always hold the unit with a firm grip when operating. WHILE OPERATING • Never start or run the unit inside a closed room or • Keep hands, face, and feet at a distance from all moving parts. Do not touch or try to stop the impeller when it is building. Breathing exhaust fumes can kill. Operate this unit only in a well-ventilated outdoor area. rotating. Do not operate without guards in place. • Do not put any object into openings. Do not use with • To reduce the risk of
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RULES FOR SAFE OPERATION • The unit is designed to pickup dry material such as • Never douse or squirt the unit with water or any other leaves, grass, small twigs, and bits of paper. Do not liquid. Keep handles dry, clean, and free from debris. attempt to vacuum wet debris and/or standing water Clean after each use, see Cleaning and Storage as this may result in damage to the blower/ vacuum. instructions. To avoid severe damage to the impeller, do not • Keep these instructions. Refer to them oft
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RULES FOR SAFE OPERATION SAFETY AND INTERNATIONAL SYMBOLS This operator's manual describes safety and international symbols and pictographs that may appear on this product. Read the operator's manual for complete safety, assembly, operating and maintenance and repair information. SYMBOL MEANING SYMBOL MEANING •ON/OFF STOP CONTROL • SAFETY ALERT SYMBOL ON / START / RUN Indicates danger, warning, or caution. May be used in conjunction with other symbols or pictographs. •ON/OFF STOP CONTROL OFF OR
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RULES FOR SAFE OPERATION Throttle Control KNOW YOUR UNIT APPLICATION Starter Rope As a blower: Grip • Cleaning yards, garages, driveways, porches, patios, around walls, fences and more Fuel Cap As a vacuum: • Picking up leaves and other light debris Blower Tube On/Off Stop Control Blower Outlet Assembled as a Blower Spark Plug Blue Choke Control Rear Handle Assembled as a Vacuum Front Handle Vacuum Door Vacuum Primer Bag Hook Bulb Vacuum Muffler Tube Vacuum Bag Zipper Air filter/muffler cover
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ASSEMBLY INSTRUCTIONS ASSEMBLING UNIT AS A BLOWER ASSEMBLING UNIT AS A VACUUM Blower Tube Assembly To assemble the unit as a vacuum, begin by removing the blower tube. Refer to the previous section. To prevent serious Vacuum Tube Assembly WARNING: personal injury, stop the engine and allow the impeller to stop To prevent serious before attaching or removing tubes. WARNING: personal injury, stop the engine and allow the impeller to stop before attaching or removing tubes. To prevent serious WARN
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ASSEMBLY INSTRUCTIONS 4. Insert a flat head screwdriver into the slot at the Installing the Vacuum Bag lower end of the vacuum door. Make contact with 7. Install the vacuum bag tube over the blower outlet the vacuum door locking clip and push inward and and push it on until both tabs snap into place (Fig. 6). upwards (Fig. 4). Then pull the vacuum door and Position the bag so its interior elbow slants hold it open. downward. 8. Attach the vacuum bag to the vacuum bag hook Vacuum located at the u
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ASSEMBLY INSTRUCTIONS INSTALLING THE SHOULDER HARNESS Attach Here for To avoid serious Blowing WARNING: personal injury, Attach Here for never attempt to start the unit when Vacuuming standing with the unit clipped to the shoulder strap. Always follow the starting procedures as described in the Starting/ Stopping Instructions section. 1. Push the strap through the center of the buckle. 2. Pull the strap over the cross bar and down through the slot in the buckle (Fig. 7). Fig. 8 4. While standin
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OIL AND FUEL INFORMATION Thoroughly mix the proper ratio of 2-cycle engine oil OIL AND FUEL MIXING INSTRUCTIONS with unleaded gasoline in a separate fuel can. Use a 40:1 Old and/or improperly mixed fuel are the main reasons fuel/oil ratio. Do not mix them directly in the engine fuel for the unit not running properly. Be sure to use fresh, tank. See the table below for specific gas and oil mixing clean unleaded fuel. Follow the instructions carefully for ratios. the proper fuel/oil mixture. NOTE:
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STARTING/STOPPING INSTRUCTIONS Throttle Control Operate this unit only in a WARNING: Idle Fast well- ventilated outdoor area. Carbon monoxide exhaust fumes can be lethal in a confined area. Avoid accidental starting. WARNING: Make sure you are in the starting position when pulling the starter rope (Fig. 12 and 13). To avoid serious injury, the operator and unit must be in a stable position while starting. Do not set unit on any surface except a clean, hard On/Off Stop Control area while starting
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OPERATING INSTRUCTIONS •Watch out for children, pets, open windows or freshly HOLDING THE BLOWER/VACUUM washed cars, and blow debris safely away. Before operating the unit, stand in the operating position. Check for the following: • Use the full blower nozzle extension so the air stream • Operator is wearing proper clothing, such as boots, can work close to the ground. safety glasses or goggles, ear/hearing protection, • Clean up after using blowers and other equipment. gloves, long pants and lo
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OPERATING INSTRUCTIONS OPERATING AS A VACUUM When the upper and WARNING: lower vacuum tubes To prevent serious are removed, make sure the vacuum door is WARNING: personal injury or snapped closed and secured before using damage to the unit, always install vacuum the unit, to avoid injury from the impeller. tubes, vacuum bag and make sure the vacuum bag is completely zipped closed when operating this unit as a vacuum. Emptying the Vacuum Bag 1. Remove the bag from the vacuum bag hook. Check for t
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MAINTENANCE AND REPAIR INSTRUCTIONS MAINTENANCE SCHEDULE NOTE: Maintenance, replacement, or repair of the emission control devices and system may be Perform these required maintenance procedures at the performed by any non-road engine repair frequency stated in the table. These procedures should establishment, individual or authorized service also be a part of any seasonal tune-up. dealer. NOTE: Some maintenance procedures may require In order to assure peak performance of your engine, special t
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MAINTENANCE AND REPAIR INSTRUCTIONS 4. Clean the spark arrestor screen with a wire brush. Replace it if it is damaged, or if you are unable to clean it thoroughly. 5. Reinstall the spark arrestor screen by putting the “raised” portion of the screen inside the recessed hole of the muffler. Make sure that the spark arrestor screen fits flat against the muffler. 6. Place the spark arrestor plate on top of the spark arrestor with the “raised” side up and the opening facing towards the engine (Fig. 2
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MAINTENANCE AND REPAIR INSTRUCTIONS CARBURETOR ADJUSTMENT Idle Speed Screw The idle speed of the engine is adjustable through the air filter/muffler cover (Fig. 23). NOTE: Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments. Check Fuel Mixture Old and/or improperly mixed fuel is usually the reason for improper unit performance. Drain and refill the tank with fresh, properly-mixed fuel prior to making any adjustments. Refer to Oil a
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MAINTENANCE AND REPAIR INSTRUCTIONS CLEANING THE UNIT 3. Remove the blower/vacuum tube and the vacuum bag. 4. Carefully remove material blocking the tube or To avoid serious impeller. Inspect the blades to assure no damage has WARNING: personal injury, occurred. Rotate the impeller blades by hand to always turn your unit off and allow it to cool assure the blockage is completely cleared. before you clean or service it. 5. Reinstall the vacuum bag and blower/vacuum tube. Use a small brush to clea
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TROUBLESHOOTING ENGINE WILL NOT START CAUSE ACTION Choke control is in the incorrect position Refer to the Starting/Stopping instructions Throttle lever is in the incorrect position Refer to the Starting/Stopping instructions Empty fuel tank Fill fuel tank with properly mixed fuel Primer bulb wasn't pressed enough Press primer bulb fully and slowly 10 times Engine flooded Use starting procedure with the choke lever in Position 3 Old or improperly mixed fuel Drain gas tank / Add fresh fuel mixt
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SPECIFICATIONS ENGINE* Engine Type.......................................................................................................................................... Air-Cooled, 2-Cycle Displacement............................................................................................................................................. 31 cc (1.9 cu. in) Vacuum Operating RPM..................................................................................................................
