Echo X750010904, X7503196704 instruction manual Chain Brake Operation, Testing the Brake

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Kickback motion

Kickback

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.

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 throt- tle 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 acceler- ate the engine to a fast idle.

Slowly operate the chain brake lever while hold- ing 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 emer- gencies.

When using throttle latch at starting, keep the chain brake locked.

IMPORTANT

Do not allow the saw to tip forward in order to avoid damage to the chain.

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CS-450

 

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Contents Chain Saw Rules for Safe Operation Kickback Safety Precautions for Chain Saw UsersOther Safety Precautions Symbols and Signs ContentsDecals Symbol FormEmission Data emission control exhaust & evaporative Packing ListNomenclature of Parts Front handle for the left hand Support han Operator SafetyRepetitive Stress Injury Vibration and ColdEYE and Hearing Protection Wear Proper ClothingSpark Arrestor Muffler Correct USE of Chain BrakePreparation for USE Kick Guard to BAR INSTRUC- TionsGuide BAR and SAW Chain IN- STALLATION/REMOVAL Adjusting Chain Tension Handling Fuel Mixing Instructions Chain LubricantOperation When the Engine is Warm When the Engine is ColdStopping RunningChecking Chain Tension Chain Lubrication TestGeneral Cutting InstructionFelling the Tree Limbing Chain Brake Operation Testing the BrakeWinter Operation Automatic Chain BrakeCS-450 Chain and Guide BAR CombinationMaintenance Intervals Maintenance and CareEngine Break-In Carburetor AdjustmentOIL Filter AIR FilterCheck Fuel System Spark PlugSprocket Guide BARCylinder Fins Muffler Spark ArrestorExhaust Port Cleaning Setting SAW Chain Setting the SAW Chain64 mm 0.025 Troubleshooting Storage After USE Technical DataExceptions 99922201032 11/18/2011 99922201033 ECHO, Incorporated

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