Description - Echo PB-251 Operator's Manual

1. Stop switch "SLIDE SWITCH" mounted on top of handle.
Push forward to start and run. Slide back to stop.
2. Spark plug Provides spark to ignite fuel mixture.
3. Air cleaner Contains replaceable air filter element.
4. Fuel tank Contains fuel and fuel filter.
5. Fuel tank cap Covers and seals fuel tank.
6. Starter handle Pull recoil handle slowly until recoil starter
engages, then quickly and firmly. When engine starts,
return handle slowly. DO NOT let handle snap back or
damage to unit will occur.
7. Spark arrestor - Catalytic muffler / Muffler The muffler
or catalytic muffler controls exhaust noise and emission.
The spark arrestor screen prevents hot, glowing parti-
cles of carbon from leaving the muffler. Keep exhaust
area clear of flammable debris.
8. Choke Choke is located on top of the air cleaner. Move
choke lever to position to close choke for cold start-
ing. Move choke lever to position to open choke.

Description

9. Purge bulb Pumping purge bulb before starting engine
draws fresh fuel from the fuel tank, purging air from the
carburetor. Pump purge bulb until fuel is visible and
flows freely in the clear fuel tank return line. Pump
purge bulb an additional 4 or 5 times.
10. Blower pipes Exclusive positive locking system.
11. Throttle position lever Pull back to increase engine
speed. Friction washers maintain throttle lever setting.
12. Throttle trigger Spring loaded to return to idle when re-
leased. During acceleration, press trigger gradually for
best operating technique.
13. Serial number label Lists model number and serial
number of unit.
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Description