STORAGE AFTER USE

Inspect and adjust every part of the chain saw.

-Completely clean every part and repair if necessary.

-Apply thin coating of oil on metal parts to prevent rust.

Remove chain and guide bar.

Drain fuel tank, pull starter slowly a few times to drain fuel from carburetor.

Pour a small amount of clean motor oil into spark plug hole, pull starter and crank the engine until piston reaches: TOP DEAD CENTER.

Store in a dry area, free from dust.

WARNING

Do not store in an enclosure where fuel fumes may accumlate or reach an open flame or spark.

CAUTION

Do not lend or rent your chain saw without the Instruction manual and Safety manual.

NOTE

For future reference, you should keep this Instruction manual and the Safety manual.

If this Instruction manual or the Safety manual has become illegible or is lost, please purchase a new one from your ECHO dealer.

TECHNICAL DATA

 

MODEL

 

CS-550P

Dimension

L × W × H

mm

448 × 253 × 284 (17.6 in. × 9.96 in. × 11.18 in.)

 

 

 

 

Mass

Power head, dry

kg

6.0 (13.3 lb.) Without chain and guide bar

 

 

 

 

Engine

Type

 

Air-cooled two-stroke single cylinder

 

Displacement

mL (cm³)

54.1 (3.30 cu. in.)

 

 

 

 

 

Carburetor

 

Diaphragm type

 

Magneto

 

Flywheel magneto: CDI system

 

Spark plug

 

NGK BPMR8Y

 

Starter

 

Recoil starter

 

Power transmission

 

Automatic centrifugal clutch

Fuel

Mixture ratio

 

50 : 1 ratio with ECHO Power Blend X™, ISO-L-

 

 

 

EGD (ISO/CD 13738) and JASO M345-FC/FD two-

 

 

 

stroke, air-cooled engine oil.

 

 

 

 

 

Gasoline

 

Use 89 octane unleaded.

 

 

 

Do not use fuel containing methyl alcohol, more than

 

 

 

10 % ethyl alcohol or 15 % MTBE.

 

 

 

Do not use alternative fuels such as E-20 or E-85.

 

 

 

 

 

Tank capacity

L

0.530 (17.9 US. fl. oz.)

 

 

 

 

Oil

Bar and chain

 

ECHO bar and chain oil (or motor oil)

 

Tank capacity

L

0.300 (10.13 US. fl. oz.)

 

 

 

 

Guide bar and

 

 

See page 22 for Chain and Guide Bar Combination

saw chain

 

 

 

 

 

 

Lubrication

 

Adjustable automatic oil pump

 

 

 

 

Engine speed

Idle

r/min

2700 - 2900

 

Clutch engagement

r/min

3750 - 4250

 

Wide open throttle

r/min

13200 - 13800

Standard

 

 

Front hand guard, Rear hand guard,

features

 

 

Anti-vibration device, Spiked bumper,

 

 

 

Throttle control lockout, Chain brake,

 

 

 

Chain catcher, Spark arrestor muffler

* Technical data subject to change without notice.

CS-550P

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Echo CS-550P instruction manual Storage After USE, Technical Data