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PB-770 H/T
MAINTENANCE
X7531125807
37
© 01/2020 ECHO Incorporated
1.
Disconnect spark plug lead from
spark plug
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,
gaskets, and cover.
4.
Connect spark plug lead.
A
A
B
B
C