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Operator’s Manual
2-Cycle Gasoline
Trimmer
Model MT705
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
P/N 769-02204 (1/06)
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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- understand operating instructions. Read the whole Know Your Unit . . . . . . . . . . . . . . . . . .
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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 safety DANGER: themselves eliminate any danger. The instructions or warning will result in warnings they give are not substitutes for proper serious injury to yourself or to others. Always accident prevention measures. follow the safety p
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RULES FOR SAFE OPERATION • Add fuel in a clean, well-ventilated outdoor area where • Do not touch the engine, gear housing or muffler. there are no sparks or flames. Remove the fuel cap These parts get extremely hot from operation, even slowly, and only after the engine stops. Do not smoke after the unit is turned off. while fueling or mixing fuel. Wipe up any spilled fuel • Do not operate the engine faster than the speed from the unit immediately. needed to cut, trim or edge. Do not run the en
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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 • THROWN OBJECTS AND • SAFETY ALERT SYMBOL ROTATING CUTTER CAN CAUSE Indicates danger, warning, or SEVERE INJURY caution. May be used in conjunction with other symbols or pictographs. WARN
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RULES FOR SAFE OPERATION KNOW YOUR UNIT APPLICATIONS As a trimmer: Blue Choke • Cutting grass and light weeds Lever • Edging • Decorative trimming around trees, fences, etc. Fuel Cap Primer Bulb Starter Rope Grip Muffler Air Filter/Muffler Cover Shaft Grip Throttle Control D-Handle On/Off Stop Shaft Control Tube Cutting Attachment Shield Line Cutting Blade Cutting Attachment 6
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ASSEMBLY INSTRUCTIONS INSTALL AND ADJUST THE D-HANDLE INSTALL THE CUTTING ATTACHMENT SHIELD 1. Push the D-handle down onto the shaft housing so Use the following instructions if the cutting attachment that the handle slants towards the shaft grip (Fig. 1). shield on your unit is not installed. The squared bolt hole in the handle is to the right. 1. Place the cutting attachment shield onto the shaft 2. Insert the shoulder bolt into the squared hole in the housing above the clamp assembly (Fig. 3)
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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 Operate this unit only in a Stop/Off (O) WARNING: 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. 8). To avoid serious injury, the operator and unit must be Start/On (I) in a stable position while starting. Fig. 6 STARTING INSTRUCTIONS 1. Mix gas with oil. Fill fuel tank with fuel/oil mixture. See Oil and
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OPERATING INSTRUCTIONS NOTE: Do not rest the Bump Head™ on the ground HOLDING THE TRIMMER while the unit is running. Always wear eye, Some line breakage will occur from: WARNING: hearing, foot and • Entanglement with foreign matter body protection to reduce the risk of injury when operating this unit. • Normal line fatigue Before operating the unit, stand in the operating position • Attempting to cut thick, stalky weeds (Fig. 9). Check for the following: • Forcing the line into objects such as w
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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 3. Pull old line out of the line loading and line locking 7. Repeat procedures 4-6 with the second piece of line. holes (Fig. 13 and 14). 8. Hold the outer spool. Wind the inner reel 4. Insert a piece of trimming line straight into one of the counterclockwise until approximately four (4) inches two eyelets in the outer spool. Push it up through the (102 mm) of line remain (Fig. 16). line loading hole in the inner reel (Fig. 13). Do not NOTE: Do not wind the i
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MAINTENANCE AND REPAIR INSTRUCTIONS 2. Pull the old inner reel with existing line from the outer 4. Remove any existing line from the inner reel before spool. cleaning. Remove any debris or grass from the knob, spring, inner reel and foam seal. Wash the inner reel 3. Insert the ends of the prewound inner reel line into with warm soapy water (Fig. 21). the outer spool eyelets (Fig. 19). Push the new inner reel, arrow side up, into the outer spool. Inner Reel Fig. 21 5. Clean the shaft and the inn
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MAINTENANCE AND REPAIR INSTRUCTIONS AIR FILTER MAINTENANCE Removing the Air Filter/Muffler Cover To avoid serious WARNING: personal injury, always turn your unit off and allow it to cool before you clean or service it. 1. Place the blue choke lever in Position 2 (Fig. 23). Air Filter NOTE: The blue choke lever must be in Position 2 to remove the air filter/ muffler cover. 2. Remove the four (4) screws securing the air Inside Muffler filter/muffler cover (Fig. 23). Use a T-20 Torx bit Cover screw
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MAINTENANCE AND REPAIR INSTRUCTIONS CARBURETOR ADJUSTMENT SPARK ARRESTOR MAINTENANCE The idle speed of the engine is adjustable through the air 1. Remove air filter/muffler cover. Refer to Removing filter/muffler cover (Fig. 29). the Air Filter/Muffler Cover. NOTE: Careless adjustments can seriously damage your 2. Locate the muffler, but do not remove it. Find the unit. An authorized service dealer should make screw on the bottom of the muffler (Fig. 28). Remove carburetor adjustments. the screw
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MAINTENANCE AND REPAIR INSTRUCTIONS 2. Release the throttle trigger and let the engine idle. If TRANSPORTING the engine stops, insert a small phillips screwdriver • Allow the engine to cool before transporting. into the hole in the air filter/muffler cover (Fig. 29). Turn the idle speed screw in, clockwise, 1/8 of a turn • Drain fuel from unit. at a time (as needed) until the engine idles smoothly. • Tighten fuel cap before transporting. NOTE: The cutting attachment should not rotate when • Sec
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TROUBLESHOOTING ENGINE WILL NOT START CAUSE ACTION 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 Squeeze the trigger and pull the starter rope Old or improperly mixed fuel Drain gas tank and add fresh fuel mixture Fouled spark plug Replace or clean the spark plug Plugged spark arrestor Clean or replace spark arrestor ENGINE WILL NOT IDLE CAUSE ACTION Air filter is plugged Replace or clean th
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SPECIFICATIONS ENGINE* Engine Type.......................................................................................................................................... Air-Cooled, 2-Cycle Stroke................................................................................................................................................... 1.25 in. (31.75 mm.) Displacement........................................................................................................................
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California / EPA Emission Control Warranty Statement Your Warranty Rights and Obligations The California Air Resources Board, the Environmental Protection Agency and MTD LLC (MTD) are pleased to explain the emission control system warranty on your 2005 and later small off-road engine. New small off-road engines must be designed, built and equipped to meet stringent anti-smog standards. MTD must warrant the emission control system on your small off-road engine for the periods of time listed belo
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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
