26
X7502314001
© 04/2015 ECHO Inc.
MAINTENANCE
BRD-280
Exhaust System
Spark Arrestor Screen
Level 2.
1. Remove spark plug lead.
2. Remove muffler cover (A).
3. Place piston at Top Dead Center (TDC) to prevent
carbon/dirt from entering cylinder.
4. Remove spark arrestor screen cover (B), gaskets (C), and
screen (D), from muffler body.
5. Clean carbon deposits from muffler components.
Note: When cleaning carbon deposits, be careful not to damage the catalytic element inside muffler.
6. Replace screen if it is cracked, plugged, or has holes burned through.
7. Assemble components in reverse order.
Exhaust Port Cleaning
Level 2.
1. Remove spark plug lead from spark plug, and remove
muffler cover.
2. Place piston at top dead center. Remove muffler (A), heat
shield (B), and eye plate (C).
3. Use a wood or plastic scraping tool to clean deposits from
cylinder exhaust port.
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 heat shield, and replace if damaged.
5. Install heat shield, muffler, and eye plate.
6. Tighten muffler mounting bolts (or nuts) to 60-80 kgf•cm
(53-70 in•lbf).
7. Install muffler cover and attach spark plug lead.
8. Start engine, and warm to operating temperature.
9. Stop engine, and re-tighten mounting bolts (or nuts) to
specifications.
Parts Required:
Spark Arrestor Screen, Gasket
Parts Required:
As needed: Heat Shield
C
B
D
A
A
B
C
Содержание BRD-280
Страница 36: ...36 X7502314001 04 2015 ECHO Inc NOTES BRD 280 NOTES...
Страница 37: ...BRD 280 NOTES 04 2015 ECHO Inc X7502314001 37...
Страница 38: ...38 X7502314001 04 2015 ECHO Inc NOTES BRD 280...
Страница 39: ...BRD 280 NOTES 04 2015 ECHO Inc X7502314001 39...
Страница 40: ...ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 www echo usa com 40 T69914001001 T69914999999...