MAINTENANCE
PB-2620
32
X7501190602
© 10/2017 ECHO Inc.
Cleaning Grill
1.
Brush accumulated debris from
crankcase intake grill (A) and
discharge grill (B).
Cleaning Cylinder Fins
Blow compressed air through
crankcase intake grill and discharge
grill at area shown.
Exhaust System
See your dealer for maintenance.
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 Operation
This engine has been factory adjusted to maintain satisfactory starting and
durability performance up to 335 m (1100 ft.) above sea level (ASL) (96.0
kPa). To maintain proper engine operation above 335 m (1100 ft.) ASL the
carburetor may need to be adjusted by an authorized ECHO service dealer.
A
B
