Echo PB-265ESL Operator's Manual page 24

Maintenance and care
1. Spark arrestor screen
3. Spark arrestor cover
Check spark plug
a: 0.6 - 0.7 mm
2. Gasket
4. Exhaust deflector
IMPORTANT
Carbon deposits in silencer will cause a drop in engine output
and overheating. Spark arrestor screen must be checked peri-
odically.
1. Disconnect spark plug lead from spark plug.
2. Remove engine cover - 7 screws.
3. Remove exhaust deflector , spark arrestor cover , gasket ,
and spark arrestor screen from silencer. Replace screen if
plugged with carbon deposits.
4. Install spark arrestor screen, gaskets, and covers.
5. Install engine cover.
NOTE
When cleaning carbon deposits, be careful not to damage the
catalytic element inside silencer.
Cylinder Exhaust Port
IMPORTANT
The cylinder exhaust port must be inspected and cleaned of ex-
cess 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.
Tools required: T-Wrench, Feeler gauge
Parts required: Spark plug
IMPORTANT
Use only NGK BPMR8Y spark plug otherwise severe engine
damage may occur.
1. Check plug gap. Correct gap is 0.6 mm to 0.7 mm.
2. Inspect electrode for wear.
3. Inspect insulator for oil or other deposits.
4. Replace plug if needed and tighten to 15 N·m - 17 N·m (150
kgf·cm to 170 kgf·cm).
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