Exhaust System - Echo PB-2520 Bedienungsanleitung

Maintenance and care
1. Intake grill

Exhaust system

1. Spark arrestor screen
3. Silencer
2. Discharge grill
2. Bolt
Cleaning Cylinder Fins
1. Blow compressed air through crankcase intake grill and dis-
charge grill.
Spark Arrestor Screen
Tools required: Torx L-wrench T27, Cleaning brush
Parts required: Spark arrestor screen
IMPORTANT
Carbon deposits in silencer will cause a drop in engine output
and overheating. Spark arrestor screen must be checked peri-
odically.
1. Remove a bolt.
2. Remove spark arrestor screen from silencer. Replace
screen if plugged with carbon deposits.
3. Install spark arrestor screen.
4. Tighten a bolt and screws securely.
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.
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