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Echo PB-755S H User Manual

Page 24

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24

A

Level 2.

Tools required: Screwdriver, tachometer (Echo P/N 99051130017)

Parts required: None.

NOTE
Do not adjust carburetor unless necessary. If you have difficulty,
see your ECHO dealer.

Before Adjustment

Check that:

• Air filter is clean and properly installed.

• Spark arrestor screen is free of carbon.

• Blower pipes are installed.

1. Start engine, run at idle for one minute.

2. Complete warm up by running at full throttle for 5 minutes,

operating choke twice to clear air from carburetor chambers.

3. Check idle speed and reset if necessary. If a tachometer is

available, idle speed screw (A) should be set to the specifications
found on Page 27 "Specifications" of this manual. Turn idle
screw (A) clockwise to increase idle speed; counter clockwise
to decrease idle speed.

4. Use a tachometer to adjust idle speed to specifications found on

page 27.

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