Exhaust Port Cleaning - Echo CS-400F Instruction Manual

Adjusting screw
Decrease

EXHAUST PORT CLEANING

Level 2
Parts Required: As needed: Muffler gasket
1. Remove air filter cover and remove spark plug lead.
2. Remove engine cover.
3. Place piston at top dead center. Remove muffler (A) and muffler
gasket (B ).
4. 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.
5. Inspect muffler gasket, and replace if damaged.
6. Install muffler gasket and muffler.
7. Tighten muffler mounting bolts (or nuts) to 70-95 in • lbf (80-110
kgf • cm).
8. Install engine cover and attach spark plug lead.
9. Replace air filter cover.
10. Start engine, and warm to operating temperature.
11. Stop engine, and re-tighten mounting bolts (or nuts) to specifica-
tions.
CS-400F
Increase
28
AUTOMATIC OILER
• The discharge volume of the automatic oiler is adjusted
to 4 mL/min approximately at 7000 r/min, prior to ship-
ment from factory.
• To increase the delivery volume, turn the adjusting
screw counterclockwise. when the screw touches
stopper and stops, this position indicates maximum
discharge volume. (13 to 14 mL/min at 7000 r/min)
• Do not turn the adjusting screw beyond the maximum
or minimum limit of volume adjustment.
B
A