18
EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
Tools required: 3 mm Hex wrench, Cross Head Screwdriver, Soft
metal brush
Parts Required: Screen, Gasket
1. Disconnect spark plug lead.
2. Remove muffler cover.
3. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from
entering cylinder.
4. Remove spark arrestor screen cover (A), gasket (B), and screen (C)
from muffler body.
5. Clean carbon deposits from muffler components.
NOTE
When cleaning carbon deposits, be careful not to damage the
catalytic element inside muffler.
6. Replace screen if it is cracked, plugged or has holes burned
through.
7. Assemble components in reverse order.
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
C
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