Echo PB-460LN Operator's Manual page 19

EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
Parts Required: Spark arrestor screen, Gaskets (3)
IMPORTANT
Carbon deposits in muffl er will cause a drop in engine output
and overheating. Spark arrestor screen must be checked periodi-
cally.
1. Remove spark plug and engine cover.
IMPORTANT
Exact placement of exhaust gaskets on muffl er is critical. Care-
fully note orientation of each gasket when removing and install-
ing.
2. Remove spark arrestor cover (A), gaskets (B), (C), (D), and spark
arrestor screen (E) from muffl er.
NOTE
When cleaning carbon deposits, be careful not to damage the cata-
lytic element inside muffl er.
3. Clean carbon deposits from muffl er components.
NOTE
The exhaust gasket outlets should be partially restricted. The gas-
kets will be properly assembled when all six (6) small round holes
are in alignment.
4. Replace screen if it is cracked, plugged, or has holes burned
through.
5. Assemble components in reverse order.
P B
OWER LOWER
O ' M
PERATOR S
E
D
C
B
19
ANUAL
A