Echo PB-755S H Operator's Manual page 10

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1. SPARK PLUG - Provides spark to ignite fuel mixture.
2. SAFETY DECAL - Lists important safety precautions.
3. SPARK ARRESTOR MUFFLER OR SPARK ARRESTOR MUFFLER WITH CATALYST - The muffler or
catalytic muffler controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of
carbon from leaving the muffler. Keep exhaust area clear of flammable debris.
4. CHOKE - Move lever up to "Cold Start" (
Run position (
5. 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.
6. RECOIL STARTER HANDLE - Pull recoil handle slowly until 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. FUEL TANK - Contains fuel and fuel filter.
8. FUEL TANK CAP - Covers and seals fuel tank.
9. AIR CLEANER - Contains replaceable air filter element.
10. THROTTLE POSITION LEVER - Pull back to increase engine speed. Friction washers maintain throttle lever
setting.
11. STOP SWITCH - Slide switch mounted on top of handle. Move forward to run, back to stop.
12. HANDLE - Used by operator to direct and control air flow.
13. SHOULDER HARNESS - Used to support unit on operator's back. The straps are adjustable.
14. THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration, press trigger gradu-
ally for best operating technique.
15. LOCKING KNOB - Allows operator to adjust handle position for optimum comfort and control.
16. BLOWER PIPES - Exclusive positive locking system.
17. FLEXIBLE PIPE - Allows for full range of movement.
).
) starting position and for emergency stopping. Move lever down to