Echo PB-500H - Manual (Page 22)

22
exhausT sysTem
Spark Arrestor Screen
Level 2.
Parts Required: Spark arrestor screen, Gasket
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 (five screws).
2. Remove spark arrestor cover (A), gasket (B) and spark arrestor
screen (C) from muffler. Replace screen if plugged with carbon
deposits.
3. Install spark arrestor screen, gaskets, and cover.
4. Install spark plug and engine cover.
Cleaning Cylinder Fins
1. Disconnect spark plug lead from spark plug.
2. Remove engine cover (five screws), pull cover away from engine.
3. Clean cylinder fins (A) to allow cooling air to pass freely.
4. Replace cover and tighten screws.
5. Connect spark plug lead.
a
B
C
a