Echo Srm 2010 Owners Manual

1. Echo Srm 2010 Owners Manual For Ford Fusion
2. Echo Srm 2100 Troubleshooting
3. Echo Srm 2100 Parts Manual

Special precautions are necessary for blade operation, see your Operator's and Safety Manuals. ONLY install ECHO approved blades on Brush Cutters (SRM) models equipped with proper blade shield, U-handles, harness, blade collar, nut and cotter pin. Blade/Cutting attachment does not stop immediately after releasing throttle.

• 4

  International Symbols
• 5

  Personal Condition and Safety Equipment
• 7

  Safe Operation
• 12

  Plastic Shield Installation
• 12

  Nylon Line Head Installation
• 13

  Blade Installation
• 15

  Throttle Linkage and Ignition Leads
• 15

  Front Handle Installation
• 18

  Operation With Blades
• 20

  Handling Fuel
• 21

  Starting Cold Engine
• 22

  Starting Warm Engine
• 22

  Stopping Engine
• 23

  Skill Levels
• 23

  Maintenance Intervals
• 24

  Air Filter
• 24

  Fuel Filter
• 25

  Spark Plug
• 26

  Exhaust System
• 26

  Spark Arrestor Screen
• 27

  Carburetor Adjustment
• 28

  Nylon Line Replacement
• 28

  Gear Housing
• 28

  Drive Shaft
• 30

  Sharpening Metal Blades
• 36

  Echo Consumer Product Support
• 36

  Warranty Registration
• 36

  Additional or Replacement Manuals

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The more you use your Echo string trimmer, the more likely it is that the carburetor will fall out of adjustment, even though it's factory-set for optimum performance. Combine this with natural wear on the spark plug and dirty filters, and your trimmer may be functioning at a fraction of its potential. Adjusting the carburetor is a job you can handle yourself, but don't try to do it by ear. You need a tachometer to measure engine speed; without it, you can adjust the speed too high and burn out the engine.

General Tune-up Procedures

1

Run the trimmer until all the fuel is gone, then stop it and replace the fuel filter. It's on the fuel line inside the gas tank, and you can retrieve the line with a piece of 14-gauge wire formed into a hook. Pull the old filter off the fuel line, push the new filter onto the line and drop the filter back into the gas tank, Fill the tank with the proper fuel/oil mixture for your model.

2

Replace the air filter by closing the choke, unscrewing the wing nut that holds the filter cover and pulling off the cover. Unscrew the spark plug with a spark plug wrench and replace it, but leave the wire disconnected from the plug until after you lubricate the string head.

3

Clean dirt from the cooling fins. First, remove the spark plug wire and throttle linkage from the carburetor swivel, then unscrew the four screws holding the engine cover, using a screwdriver. Brush dirt off the cooling fins with a stiff paintbrush, then replace the cover and the carburetor linkage.

4

Remove the spark arresting screen from behind the muffler by pulling it straight out. Clean the carbon deposits from the screen with a toothbrush; replace the screen if it's cracked or has holes in it.

5

Unscrew the deflector from the string head. Loosen the bearing screw connecting the trimmer housing to the shaft, then remove the mounting screw and pull the trimmer housing off the shaft. Lubricate the end of the flexible shaft with lithium-based grease, then reassemble the head, housing and deflector.

6

Adjust the trimmer string so that it's at its maximum extension. You can either manually extend the string by pulling it out of the head or you can start the trimmer and tap it on the ground to automatically advance the string. It should extend as far as the limiting blade on the deflector.

Carburetor Adjustment -- Trimmers with Limiting Caps

1

Connect the spark plug wire to the plug, start the trimmer and let it run for five minutes to warm it up. Stop the trimmer and turn the high-speed screw ('HI') counterclockwise as far as it will go, using a flat-head screwdriver. Turn the low-speed screw ('LO') all the way counterclockwise, then all the way clockwise and finally set it midway between these points. Restart the trimmer.

2

Set the idle speed by turning the idle screw clockwise until the trimmer head starts turning. Turn the screw counterclockwise until the head stops, then turn it an additional one-quarter turn. Clamp a tachometer onto the spark plug wire; the tachometer should read between 2,400 and 3,200 rpm.

3

Open the throttle and check for a smooth transition. If the engine stalls, adjust the 'LO' screw an additional one-eighth turn counterclockwise and try again. Continue until the transition is smooth.

4

Open the throttle all the way and adjust the 'HI' screw until the reading falls within the specifications listed in your owner's manual for your model trimmer. This is usually in the neighborhood of 6,800 to 7,500 rpm.

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5

Check the idle speed again and readjust the idle screw, if necessary.

Carburetor Adjustment -- Trimmer Without Limiting Caps

1

Start the trimmer and set the idle screw. Turn it clockwise until the head starts spinning, then turn it counterclockwise until the head stops and keep going for an additional one-quarter turn. Stop the trimmer.

2

Turn both the 'LO' and 'HI' screws clockwise until they are seated all the way. Turn the 'LO' screw one and one-quarter turns counterclockwise and the 'HI' screw two and three-quarters turns counterclockwise. Start the trimmer and let it warm up for two to three minutes.

3

Turn the 'LO' screw clockwise until the engine starts to race and sputter and note the position. Turn the screw counterclockwise until the engine again begins to cut out. Set the screw midway between these points, then give it a one-eighth turn in the counterclockwise direction to make the fuel mixture slightly richer.

4

Clamp a tachometer onto the spark plug wire and open the throttle all the way. Adjust the 'HI' screw until the the reading is within the limits specified in your owner's manual for your model, which are typically between 6,800 and 7,500 rpm.

5

Readjust the idle screw after making the high-speed adjustment.

Things You Will Need

• Spark plug wrench
• Screwdriver
• Stiff paintbrush
• 14-gauge wire
• Fuel filter
• Air filter
• Spark plug
• Paintbrush
• Toothbrush
• Flat-head screwdriver
• Tachometer

Tip

• If the trimmer has been sitting idle for an extended period with gas in the tank, you may have to clean the carburetor as part of the tune-up procedure.

Warning

Echo Srm 2010 Owners Manual For Ford Fusion

• Never adjust the 'HI' screw higher than the top speed specified in your manual or you can permanently damage the engine.

About the Author

Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. As a landscape builder, he helped establish two gardening companies.

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Echo Srm 2100 Troubleshooting

Echo Srm 2100 Parts Manual