16
EXHAUST
SYSTEM
Spark Arrestor Screen
Level 2.
Tools required: Cross Head Screwdriver
Parts Required: Spark arrestor screen P/N A310000000
WARNING
DANGER
Do not perform maintenance on engine or muffler until engine and
muffler are completely cool, otherwise serious personal injury may
result.
IMPORTANT
Carbon deposits in muffler will cause a drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1.
Remove spark plug and engine cover (four screws).
2.
Remove spark arrestor cover (A) and spark arrestor screen (B)
from muffler. Replace screen if plugged with carbon deposits.
3.
Install spark arrestor screen, gaskets, and cover.
4.
Install spark plug and engine cover.
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.
A
B
Summary of Contents for PB-403
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