Echo cs-520 Instruction Manual - Chain Brake Operation

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CS-520

Chain brake function

When the lever is pushed forward, chain brake

instantly stops the chain.

Chain brake unlock

When the lever is fully pulled, toward the

operator, brake is unlocked.

Kickback

Kickback motion

CHAIN BRAKE OPERATION

• Set the lever in the unlocked position before

starting to cut.

• If the brake is tripped by kickback reaction, the

chain will stop immediately. Release the throttle

to avoid possible damage to the engine or clutch.

• Do not attempt to operate the engine with the

brake locked.

TESTING THE  BRAKE

• Start the engine on a solid level surface and run

at a fast idle until warm.

• Hold the saw firmly by the handles and

accelerate the engine to a fast idle.

• Slowly operate the chain brake lever while

holding the saw firmly on the ground.

When the brake lever trips, the chain should

stop.

Immediately release the throttle trigger.

   WARNING

If the chain does not stop immediately, return

the saw to your authorized ECHO dealer for

repair.

NOTE

• For practice, while cutting a small tree, push

the lever forward to lock the brake.

• Confirm that the brake works properly before

each use.

• If the chain brake is clogged with wood chips,

function of the brake may deteriorate. Always

keep the device clean.

• Do not increase engine revolution while the

chain brake is locked.

• Use the chain brake only in starting or in

emergencies.

• When using throttle latch at starting, keep the

chain brake locked.

And after starting the engine, unlock the brake

immediately.

IMPORTANT

Do not allow the saw to tip forward in order to

avoid damage to the chain.