Echo PB-410 - Manual (Page 19)

19
P
OWER
B
LOWER
O
PERATOR
’
S
M
ANUAL
Exhaust Port Cleaning
Level 2.
Tools required:
Wood or plastic scraper, Cross Head Screwdriver,
5 mm Hex Wrench
Parts Required: As needed: Muffler gasket
1. Remove muffler cover.
2. Place piston at top dead center. Remove muffler and muffler
gasket.
3. Use a wood or plastic scraping tool to clean deposits from
cylinder exhaust port.
IMPORTANT
Never use a metal tool to scrape carbon from the exhaust port.
Do not scratch the cylinder or piston when cleaning the exhaust
port. Do not allow carbon particles to enter the cylinder.
4. Inspect muffler gasket, and replace if damaged.
5. Install muffler gasket and muffler.
6. Tighten muffler mounting bolts to 90 - 110 kgf
•
cm (80 - 95 in
•
lbf ).
7. Start engine, and warm to operating temperature.
8. Stop engine, and re-tighten mounting bolts to specifications.
9. Install muffler cover.