Troubleshooting - Echo PB-2520 Operator's Manual

PB-2520
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
"Specifications" Page of this
manual. Turn idle screw (A)
clockwise to increase idle
speed; counter clockwise to
decrease idle speed.

TROUBLESHOOTING

Fuel vapors are extremely flammable and may cause fire and/or
explosion. Never test for ignition spark by grounding spark plug
near cylinder plug hole, otherwise serious personal injury may
result.
X7501190100
© 8/2017 ECHO Inc.
TROUBLESHOOTING
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