Echo SRM-400U 用户手册

16

- ALWAYS KEEP THE UNIT CLEAN -

Clean before using the unit.

- Close choke. Disengage latch and remove air

cleaner cover.

- Remove air filters (felt and sponge).
- Air filter (flet): Brush off dust lightly or clean with

compressed air.

- Air filter (sponge): Brush off dust lightly or wash

it in  a non-inflammable solvent if necessary.

- Soak air filter (sponge) into 2 stroke oil and

squeeze it firmly not to allow remaining oil to
trickle.

- Install the air filter (sponge) into air cleaner cover.
- Install the air filter (felt) into cleaner case.
- Install assembled air clearner cover on cleaner

case with air filter (felt) and engaged latch.

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.

•

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

•

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 spark arrestor screen if it is cracked,

plugged or has holes burned through.

- Inspect gaskets, replace if damaged.
- Assemble components in reverse order.

Latch

Cleaner case

Air filter (felt)

Air cleaner cover

Air filter (sponge)

Fuel strainer

Muffler cover

Lid

Spark arrestor screen

Air intake