Echo GT-251E Operator's Manual
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Echo GT-251E Operator's Manual

Echo grass trimmer operator's manual
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Grass Trimmer
Operator's Manual
MODELS
Read rules for safe operation and instructions carefully. ECHO provides an
Operator's Manual and a Safety Manual. Both must be read and understood for
proper and safe operation.
X7502021703
GT-251E
WARNING
DANGER
X750007973
11/05

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Summary of Contents for Echo GT-251E

  • Page 1 Grass Trimmer Operator's Manual MODELS Read rules for safe operation and instructions carefully. ECHO provides an Operator's Manual and a Safety Manual. Both must be read and understood for proper and safe operation. X7502021703 GT-251E WARNING DANGER X750007973 11/05...

  • Page 2: Table Of Contents

    NTRODUCTION Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-job dependability. Read and understand this manual and the SAFETY MANUAL you found in the same package. You will find both easy to use and full of helpful operations tips and SAFETY messages.

  • Page 3: Safety

    PERSONAL CONDITION AND SAFETY EQUIPMENT WARNING Trimmer/Brush Cutter users risk injury to themselves and others if the trimmer/brush cutter is used improperly and or safety precautions are not followed. Proper clothing and safety gear must be worn when operating a trimmer.
  • Page 4 Wear no-slip, heavy-duty work gloves to improve your grip on the handles. Gloves also reduce the transmission of machine vibration to your hands. Hearing Protection ECHO recommends wearing hearing protection whenever unit is used. Proper Clothing Wear snug fitting, durable clothing;...
  • Page 5 Repetitive Stress Injuries -- It is believed that overusing the muscles and tendons of the fingers, hands, arms, and shoulders may cause soreness, swelling, numbness, weakness, and extreme pain in those areas. Certain repetitive hand activities may put you at a high risk for developing a Repetitive Stress Injury (RSI).

  • Page 6: Equipment

    Use only ECHO approved attachments. Serious injury may result from the use of a non approved attachment combi- nation. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO. Read and comply with all safety instructions listed in this manual and safety manual.

  • Page 7: Description

    Locate these safety decals on your unit. Make sure the decals are legible and that you understand and follow the instructions on them. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDER- ING instructions for specific information.
  • Page 8 HEAD - Contains replaceable nylon trimming lines. 7. CUT-OFF KNIFE - Trims line to the correct length (5 in.). If trimmer is operated without a cut-off knife the line will become too long - more than (5 in.) - the operating speed will slow, the engine overheat and performance will suffer.

  • Page 9: Contents

    After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing parts. Use the contents list to check for missing parts.

  • Page 10: Assembly

    SSEMBLY Tools Required: Locking Tools (2), Wrench 17 x 14.5 (9/16 in.) Parts Required: Rapid Loader Head, Large washer, Small washer, 3/8-24 Locknut, (2) Pre-cut Nylon Line 8 in. x .080 in., Plastic Shield Assembly WARNING Cut-off knife on debris shield has sharp edges. Avoid contact when installing or removing line head.

  • Page 11: Nylon Line Installation

    NYLON LINE INSTALLATION 1. Shut engine off. Lay unit on the ground with head assembly up. 2. Remove old nylon line through center recess of head. 3. Thread new lines through outside holes (A) in housing until ends meet in center of recess. NOTE Insert cutting line ends to center of head recess to insure easy removal of used lines.

  • Page 12: Operation

    Emission Defect Warranty Explanation.) IMPORTANT Echo premium Power Blend Universal 2-Stroke Oil may be mixed at 50:1 ratio for application in all Echo engines sold in the past regardless of ratio specified in those manuals. Handling Fuel WARNING Fuel is VERY flammable.

  • Page 13: Starting Cold Engine

    STARTING COLD ENGINE WARNING The attachment will operate immediately when the engine starts and could result in loss of control and possible serious injury. Keep movable parts of the attachment off the ground and away from objects that could become entangled or thrown. 1.

  • Page 14: Starting Warm Engine

    The attachment should not move at idle, otherwise serious personal injury may result. NOTE If attachment moves, readjust carburetor according to “Carburetor Adjustment” instructions in this manual or see your ECHO Dealer. 1. Stop Switch Move stop switch button (A) away from the STOP position. 2. Purge Bulb Pump purge bulb (C) until fuel is visible and flows freely in the clear fuel tank return line.

  • Page 15: Maintenance

    ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the ECHO Dealer do it, each maintenance task has been graded. If the task is not listed see your Echo dealer for repairs.

  • Page 16: Air Filter

    AIR FILTER Level 1. Tools required: 25 or 50 mm (1 or 2 in.) Cleaning brush Parts required: 90008 REPOWER Close choke (Cold Start Position ( entering the carburetor throat when the air filter is removed. Brush accumulated dirt from the air filter area. Remove the air filter cover.

  • Page 17: Spark Plug

    SPARK PLUG Level 2. Tools Required: T-Wrench, feeler gauge, soft metal brush Parts Required: REPOWER Tune-Up Kit P/N 90074C IMPORTANT Use only NGK BPM-8Y spark plug (BPMR-8Y in Canada) other- wise severe engine damage may occur. Remove spark plug and check for fouling, worn and rounded center electrode.

  • Page 18: Exhaust System

    Remove spark plug lead (A). Remove air filter cover (B). Remove one (1) muffler cover screw and muffler cover (C). Remove two (2) screw and engine cover (D). IMPORTANT DO NOT use a metal scraper to remove dirt from the cylinder fins. Use brush to remove dirt from the cylinder fins.

  • Page 19: Carburetor Adjustment

    The cylinder exhaust port must be inspected and cleaned of excess carbon every 3 months or 90 hours of operation in order to maintain this engine within the emissions durability period. ECHO strongly recommends that you return your unit to your ECHO dealer for this important maintenance service. CARBURETOR ADJUSTMENT...
  • Page 20 Before Adjustment Check that: • Air filter is clean and properly installed. • Spark arrestor screen and muffler are free of carbon. • Rapid Loader head with (2) new .080 x 8 in. lines is installed. Initial Adjustment With engine off, turn HI speed screw (C) counterclockwise to stop. Turn LO speed screw (B) midway between stops.

  • Page 21: Lubrication

    LUBRICATION Level 1. Tools Required: 8 mm Open-end wrench, screwdriver, clean rag Parts Required: ECHO LUBE 8 oz. (P/N 91014) or Lithium Base ® Grease Remove plastic shield. Loosen bearing housing locating screw (A), at the top of the housing, remove mounting screw (B).

  • Page 22: Troubleshooting

    ROUBLESHOOTING i l y s t r t ' n t l i f t l i f y l r i l o Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by ground- ing spark plug near cylinder plug hole, otherwise serious personal injury may result.

  • Page 23: Storage

    TORAGE Long Term Storage (over 30 days) During operation the muffler or catalytic muffler and surrounding cover become hot. Always keep exhaust area clear of flammable debris during transportation or when storing, otherwise serious property damage or personal injury may result.

  • Page 24: Specifications

    Bore ---------------------------------------------------------- 34.0 mm (1.34 in.) Stroke -------------------------------------------------------- 28.0 mm (1.10 in.) Displacement ----------------------------------------------- 25.4 cc (1.55 cu. in.) Exhaust (GT-251E) ----------------------------------------- Spark Arrestor Muffler Carburetor -------------------------------------------------- Zama diaphragm w/purge Ignition System -------------------------------------------- Flywheel magneto, capacitor discharge ignition Spark Plug -------------------------------------------------- NGK BPMR-8Y 0.65 mm (0.026 in.)
  • Page 25 RASS RIMMER PERATOR ANUAL NOTES...
  • Page 26 NOTES...
  • Page 27 RASS RIMMER PERATOR ANUAL NOTES...

  • Page 28: Servicing Information

    • Purchasing from your Echo Dealer. • Manuals are available by sending a written request stating the model number and serial number of your Echo unit, part number of the manual, your name and address, and mail to the address below.

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