Difficulty

Easy

Steps

5

Time Required

                          10 - 20 minutes

Sections

1

  • Carburetor Adjustment
  • 5 steps

Flags

0

  • BackEcho Power Pruner, 25.4 cc PPT-2620 (2019)

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Introduction

This procedure requires running the motor for several minutes. Only run the motor outside or in a large, well-ventilated room. Do not run the motor in an enclosed space.

Wear ear protection while the motor is running.

What you need

Step 1

              Install the inductive pickup lead
  • Feed the inductive pickup lead wire through one of the two holes in the lower-left corner of the tachometer.
  • Bend the wire around and feed it through the second hole, then pull it tight.

Feed the inductive pickup lead wire through one of the two holes in the lower-left corner of the tachometer.

Bend the wire around and feed it through the second hole, then pull it tight.

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Step 2

              Attach the tachometer to the spark plug wire
  • Clamp the inductive pickup lead alligator clip onto the spark plug wire.
  • Make sure the inductive pickup lead wire is not touching anything except the tachometer.

Clamp the inductive pickup lead alligator clip onto the spark plug wire.

Make sure the inductive pickup lead wire is not touching anything except the tachometer.

Step 3

              Start the motor
  • Wear ear protection for the remainder of the procedure.
  • Start the motor and let it run for two minutes to ensure it reaches operating temperature.

Wear ear protection for the remainder of the procedure.

Start the motor and let it run for two minutes to ensure it reaches operating temperature.

Step 4

              Open the choke
  • Make sure the choke is fully in the open position.

Make sure the choke is fully in the open position.

Step 5

  • Use a Phillips screwdriver to adjust the carburetor idle screw until the tachometer reads as close to 3100 RPM as possible:
  • Turn the idle screw clockwise to increase RPM
  • Turn the idle screw counterclockwise to decrease RPM
  • Once the idle has been set, shut off the motor and disconnect the tachometer.

Use a Phillips screwdriver to adjust the carburetor idle screw until the tachometer reads as close to 3100 RPM as possible:

Turn the idle screw clockwise to increase RPM

Turn the idle screw counterclockwise to decrease RPM

Once the idle has been set, shut off the motor and disconnect the tachometer.

The procedure is complete, no further action is required.

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Author

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                    Sam Omiotek

Member since: 02/25/2019

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