Echo SRM-400U - Manual (Page 17)

17
MAINTENANCE AND CARE
- ALWAYS KEEP THE UNIT CLEAN -
FUEL STRAINER
•Check periodically.
- Do not allow dust to enter into fuel tank.
- Clogged strainer will cause difficulty in starting
engine or abnormalities in engine performances.
- Pick up fuel strainer through fuel inlet port with a
piece of steel wire or the like.
- When strainer is dirty, wash it in suitable
cleaning fluid or replace it.
Fuel strainer
Muffler cover
Lid
Screen
AIR FILTER
•Clean before using the unit.
- Close choke. Loosen screws and remove air
cleaner cover.
- Remove air filter (air filter is located inside air
cleaner cover).
- Brush dirt from filter or clean with compressed
air. Do not wash the air filter.
- Reinstall air filter with cover, after installing air
filter to cover.
- Tighten screws.
CYLINDER FINS
•Check periodically.
•Clogged fins will result in poor engine cooling.
•Remove dirt and dust from between fins to let
cooling air pass easily.
Cylinder fins
Air intake
MUFFLER AND EXHAUST PORT (SAM)
•Clean as necessary.
•Carbon deposits in cylinder exhaust port and
muffler will reduce engine output.
- Muffler can be removed by taking off muffler
cover.
- Remove spark arrestor screen from muffler.
- Clean carbon deposits from screen and muffler
components.
- Be careful not to scratch cylinder or piston when
cleaning cylinder exhaust port.
Use non-ferrous plastic or wood.
- Replace screen if it is cracked, plugged or has
holes burned through.
- Inspect gaskets, replace if damaged.
- Assemble components in reverse order.
Air filter
Air cleaner cover