Carburetor Adjustment; Engine Break-In - Echo PB-200 Manuel De L'opérateur

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18
Cylinder Exhaust Port
Level 3.
IMPORTANT
The cylinder exhaust port must be inspected and cleaned of excess
carbon every 3 months or 90 hours of operation in order to maintain
this engine within the emissions durability period. ECHO strongly
recommends that you return your unit to your ECHO dealer for this
important maintenance service.

CARBURETOR ADJUSTMENT

Engine Break-In

New engines must be operated a minimum duration of two tanks of fuel
break-in before carburetor adjustments can be made. During the break-in
period your engine performance will increase and exhaust emissions will
stabilize. Idle speed can be adjusted as required.
High Altitude Adjustment
High altitude adjustment is not required for proper operation of this
engine.
Level 2.
Tools required: Screwdriver, tachometer (Echo P/N 99051130017)
Parts required: None.
NOTE
Every unit is run at the factory and the carburetor is set in compli-
ance with emission regulations. This carburetor does not have
acceleration and high speed adjustment needles.
1. Before adjusting the carburetor, clean or replace the air filter and
spark arrestor screen and blower pipes are installed.
2. Start engine and run for several minutes to reach operating
temperature.
3. Stop engine. Turn red HI speed needle (A) CCW (counter
clockwise) to stop.
4. Idle Speed Adjustment with tachometer.
•Start engine and turn "idle" speed adjustment screw (B) to idle
RPM found on page 21 in the "Specifications" section of this
manual.
5. Accelerate to full throttle for 2-3 seconds to clear excess fuel from
engine then return to idle. Accelerate to full throttle to check for
smooth transition from idle to full throttle. If engine stops or stalls
after full warm up return the unit to your authorized ECHO dealer
for repair.
6. Check HI speed RPM at W.O.T. (Wide Open Throttle). HI speed
RPM should be set to specifications found on page 21 "Specifica-
tions" of this manual.
7. Check idle speed and reset if necessary.
All manuals and user guides at all-guides.com
A
B

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