Inspecting Muffl Er And Exhaust Port - Echo shindaiwa PB-8010 Service Manual

PB-8010, EB810
7-2 Cleaning cooling air passages (continued)
7-3 Inspecting muffl er and exhaust port
A
A
C
B
D
d
C
ENGINE
2. Remove engine cover if cylinder fins (C) are
hard to clean. Clean the clearance of cylinder fi ns
using wooden stick, plastic stick or compressed
air.
NOTE: To prevent debris from entering cylinder,
reinstall spark plug, carburetor, and air fi lter before
cleaning cylinder fi ns.
1. Loosen three bolts and remove muffl er.
NOTE: One (A) of bolts is on back of muffl er.
A
View A
2. Inspect cylinder exhaust port (B) and clean the
port (B) using wooden or plastic stick if carbon is
found.
NOTE: When cleaning exhaust port, always posi-
tion piston at Top Dead Center (TDC) to prevent
carbon from entering cylinder. Do not use metal
tool, and be careful not to scratch piston or cylin-
der.
NOTE: Replace muffl er gasket with new one when
removing muffl er.
3. Remove bolt (C) and spark arrestor screen (D)
from muffl er.
4. Remove carbon deposits from spark arrestor
screen (D). If screen has heavy deposits, replace
with new one.
5. Reassemble spark arrestor screen (D) and tight-
en bolt (C).
NOTE: Bent edge (d) of spark arrestor screen (D)
is outside.
6. Reinstall muffl er with new muffl er gasket.
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