PB-755S H/T
MAINTENANCE
X7531125705
35
© 11/19 ECHO Incorporated
Exhaust System
Spark Arrestor Screen
Level 2.
Carbon deposits in muffler will cause a drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1.
Remove spark plug lead from
spark plug, and remove engine
cover.
2.
Remove spark arrestor covers
(A), gaskets (B), and spark
arrestor screen (C) from muffler.
Replace screen if plugged with
carbon deposits.
Note: When cleaning carbon
deposits, be careful not to
damage the catalytic
element inside muffler.
3.
Install spark arrestor screen and
cover.
4.
Install engine cover and attach
spark plug lead.
Exhaust Port Cleaning
Level 2.
1.
Remove spark plug lead from
spark plug, and remove engine
cover.
2.
Place piston at top dead center.
Remove muffler (A) and heat
shield (B).
3.
Use a wood or plastic scraping
tool to clean deposits from
cylinder exhaust port.
Parts Required:
Spark Arrestor Screen, Gasket
Parts Required:
As needed: heat shield
A
A
B
B
C
A
B
