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English
Operator’s Manual
Curved Shaft,
2-Cycle Trimmer
Model
Y28
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
PRINTED IN U.S.A.
PART NO. 769-00541 (12/02)
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TABLE OF CONTENTS Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Know Your Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SPARK ARRESTOR CALIFORNIA PROPOSITION 65 WARNING NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Washington. All U.S. Forest Land and the state of California (Public Resources WARNING Codes 4442 and 4443), Oregon and Washington require, by law that certain internal combustion engines operated on forest brush and/or grass-covered areas be equipped with THE ENGINE EXHAUST FROM THIS a spark arrestor, maintained in effective working order, or the engine be cons
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• Be aware of risk of injury to the head, hands and feet. • Be sure the cutting attachment is not in contact with anything before starting the unit. • Clear the area to be cut before each use. Remove rocks, broken glass, nails, wire, string and other • Use the unit only in daylight or good artificial light. objects which may be thrown or become entangled in • Avoid accidental starting. Remain in the starting the cutting attachment. Clear the area of children, position whenever pulling the starte
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SECTION 1b:SAFETY & 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 • THROWN OBJECTS AND • SAFETY ALERT SYMBOL ROTATING CUTTER CAN Indicates danger, warning or caution. CAUSE SEVERE INJURY May be used in conjunction with other WARNING: Do not operate without symbols or p
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SECTION 2: KNOW YOUR UNIT Applications As a trimmer: • Cutting grass and light weeds Fuel Cap • Edging • Decorative trimming around trees, fences, etc. Starter Rope Grip ON/OFF Control Switch D-Handle Shaft Choke Grip OFF/STOP Control (O) Throttle ON/START Control (I) Primer Bulb Shaft Housing Air Filter/ Muffler Spark Cover Plug Muffler Line Cutting Blade Cutting Attachment Shield Cutting Attachment 6
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SECTION 3: ASSEMBLY INSTRUCTIONS Installing and Adjusting the D-Handle Installing the Cutting Attachment Shield Use the following instructions if the cutting attachment NOTE: The D-handle is already mounted in position on shield on your unit is not installed. the backside of the shaft. Very little, if any, repositioning should be necessary. WARNING: To prevent serious personal injury, never operate the trimmer without 1. Locate the wing nut on the D-Handle. Untighten the the cutting attachment s
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SECTION 4: OIL AND FUEL INFORMATION Thoroughly mix the proper ratio of 2-cycle engine oil with Oil and Fuel Mixing Instructions unleaded gasoline in a separate fuel can. Use a 40:1 fuel/oil Old and/or improperly mixed fuel is the main reason for ratio. Do not mix them directly in the engine fuel tank. See improper unit performance. Be sure to use fresh, clean the table below for specific gas and oil mixing ratios. unleaded fuel. Follow the instructions carefully for the NOTE: One gallon (3.8 lit
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SECTION 5: STARTING/STOPPING INSTRUCTIONS Starting Instructions WARNING: Operate this unit only in a well- ventilated outdoor area. Carbon monoxide OFF/STOP (O) exhaust fumes can be lethal in a confined area. WARNING: Avoid accidental starting. Make ON/OFF sure you are in the starting position when Control pulling the starter rope. See Figure 8. To Switch avoid serious injury, the operator and unit must be in a stable position while starting. ON/START (I) 1. Mix gas with oil. Fill fuel tank with
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SECTION 6: OPERATING INSTRUCTIONS NOTE: Do not rest the bump knob on the ground while Holding the Trimmer the unit is running. WARNING: Always wear eye, hearing, foot CAUTION: Do not remove or alter the line and body protection to reduce the risk of cutting blade assembly. Excessive line injury when operating this unit. length may make the unit overheat. Before operating the unit, stand in the operating Some line breakage will occur from: position. See Figure 9. Check for the following: • Entang
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SECTION 7: 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
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SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS 7. Wind the lines in tight even layers onto the reel. See 5. Check the indexing teeth on the inner reel and outer spool for wear. If necessary, remove burrs or replace Figure 17. Wind the line in the direction indicated on the reel and spool. See Figure 14. the inner reel. Place your index finger between the two lines to stop the lines from overlapping. Do not Indexing Teeth overlap the ends of the line. Proceed to step 11. Figure 14 NOTE: SplitLine
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SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS Air Filter Maintenance Removing the Air Filter/Muffler Cover WARNING: To avoid serious personal injury, always turn your trimmer off and allow it to cool before you clean or service it. 1. Place the choke lever in the PARTIAL choke position (B). NOTE: The choke lever must be in the PARTIAL choke Holding Slots position (B) to remove the air filter/ muffler cover. Figure 19 See Figure 21. 2. Remove the four (4) screws securing the air filter/ NOTE: Th
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SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS 4. Using a small flatblade screwdriver, carefully pry up the spark arrestor from the recessed hole. See Figure 27. Remove the spark arrestor from the muffler. 5. Clean the spark arrestor with a wire brush. Replace it if it is damaged or if it is impossible to clean thoroughly. See Figure 27. 6. Reinstall the spark arrestor by pressing it into the recessed hole on the muffler's back side. Make sure Air Filter it fits tightly against the muffler and i
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SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS 2. Release the throttle trigger and let the engine idle. If Carburetor Adjustment the engine stops, insert a small Phillips or flat blade The idle speed of the engine is adjustable through the air screwdriver into the hole in the air filter/muffler cover. filter/muffler cover. See Figure 28. See Figure 28. Turn the idle speed screw in, NOTE: Careless adjustments can seriously damage your clockwise, 1/8 of a turn at a time (as needed) until the unit.
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SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS Replacing the Spark Plug Long Term Storage Use a Champion RDJ7Y spark plug (or equivalent). The If the unit will be stored for an extended time, use the correct air gap is 0.020 inch (0.5 mm). Remove the plug following storage procedure: after every 25 hours of operation and check its condition. 1. Drain all fuel from the fuel tank into a container with 1. Stop the engine and allow it to cool. Grasp the plug the same 2-cycle fuel mixture. Do not use
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SECTION 8: TROUBLESHOOTING GUIDE Trouble Possible Cause(s) Corrective Action ENGINE WILL • On/Off control in the STOP position • Turn On/Off control to ON NOT START • 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 is flooded • Use starting procedure with choke lever in the RUN position • Drain gas tank and add fresh fuel mixture • Old or improperly mixed fuel • Fouled spark plug • Replace or cle
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SECTION 9: SPECIFICATIONS Engine* Engine Type.......................................................................................................................................... Air-Cooled, 2-Cycle Stroke................................................................................................................................................... 1.25 in. (31.75 mm.) Displacement.............................................................................................................
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EPA Emission Control Warranty Statement Your Warranty Rights and Obligations The Environmental Protection Agency and MTD LLC (MTD) are pleased to explain the emission control system warranty on your 2002 and later small off-road engine. New small off-road engines must be designed, built and equipped to meet stringent anti-smog standards. Yard Machines must warrant the emission control system on your small off-road engine for the periods of time listed below provided there has been no abuse, negl
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MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD No implied warranty, including any implied warranty of LLC (“MTD”) with respect to new merchandise purchased and merchantability or fitness for a particular purpose, used in the United States, its possessions and territories. applies after the applicable period of express written warranty above as to the parts as identified. No other MTD warrants this product against defects in material and express warrant
