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POWER BLOWER
OPERATOR’S MANUAL
Cleaning Cylinder Fins
• Check periodically.
- Clogged fins result in poor engine cooling.
- Clean the passage of air between the cylinder fins to let cooling air
pass easily.
Cylinder fins
Spark arrestor cover
Gaskets
Spark arrestor screen
EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
IMPORTANT
Carbon deposits in muffler will cause a drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1. Remove spark arrestor cover, gaskets and spark arrestor screen
from muffler. Replace screen if plugged with carbon deposits.
NOTE
When cleaning carbon deposit, be careful not to damage the
catalytic body.
2. Install spark arrestor screen, gaskets, and cover.
3. Tighten all screws securely.
• In the event that the engine should lose power and overheat, the
muffler should be removed and checked for excessive deposits.
• Carbon build up in the exhaust port should be removed with a piece
of wood, ensuring that particles of carbon are not allowed to enter the
cylinder.
• Remove all carbon deposits from the muffler flange area and wash
the complete unit in a suitable solvent.
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.