Description - Echo PB-7700 Operator's Manual

1. Spark plug Provides spark to ignite fuel mixture.
2. Spark arrester - Catalytic silencer / Silencer The si-
lencer or catalytic silencer controls exhaust noise and
emission. The spark arrester screen prevents hot, glow-
ing particles of carbon from leaving the silencer. Keep
exhaust area clear of flammable debris.
3. Serial number label Lists model number and serial
number of unit.
4. 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.
5. Air cleaner Contains replaceable air filter element.
6. Choke Choke is located on the side of the air cleaner.
Move choke lever to
starting. Move choke lever to
choke.
7. Purge bulb Pumping purge bulb before starting engine
draws fresh fuel from the fuel tank, purging air from the
carburettor. Pump purge bulb until fuel is visible. Pump
purge bulb an additional 4 or 5 times.
8. Fuel tank Contains fuel and fuel filter.
9. Fuel tank cap Covers and seals fuel tank.
position to close choke for cold
position to open

Description

10. Shoulder harness Used to support unit on operator's
back. The straps are adjustable.
11. Handle Used by operator to direct and control air flow.
12. Combination Throttle Position / Stop Switch Button
Controls engine speed and turns ignition on or off. For-
ward position - STOP. First detent position - IDLE. Move
button back to increase speed, forward to decrease
speed. Use throttle position button to set and hold blow-
er speed for continuous operation.
13. Throttle trigger Spring-loaded throttle trigger controls
engine speed. Releasing trigger returns engine to
speed set by Throttle Position / Stop Switch Button. Al-
ways release trigger and allow engine to return to idle
before shutting off with Throttle Position / Stop Switch
Button. Use throttle trigger to vary blower speed settings
for intermittent operation.
14. Locking knob Allows operator to adjust handle position
for optimum comfort and control.
15. Blower pipes Exclusive positive locking system.
16. Flexible pipe Allows for full range of movement.
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Description