CS-310 SAFETY© 08/2013 ECHO Inc.X7503270007 5Correct Use Of Chain BrakeChain Brake Operation• Set the lever in the unlocked position before starting to cut.• If the brake is tripped by kickback reaction, the chain will stopimmediately. Release the throttle to avoid possible damage tothe 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 idleuntil warm.• Hold the saw firmly by the handles and accelerate the engineto a fast idle.• Slowly operate the chain brake lever while holding the sawfirmly on the ground. When the brake lever trips, the chainshould stop. Immediately release the throttle trigger.Do not allow the saw to tip forward in order to avoid damage to the chain.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 thedevice clean.• Do not increase engine RPM's while the chain brake is locked.The installation of a chain brake may be mandatory by law or as stipulated by insurance regulations in yourarea of operation. You should inquire through local government offices, your employer or your local dealer toensure that your chain saw conforms to the required safety standard.ECHO chain brakes have been designed and tested to comply with international safety standards as follows.USA: ANSI Standard B175.1 Safety Requirement for chain sawsANSI Standard B175.1 stipulates that the brake shall stop the chain 0.12 seconds at an engine speedof 13,500 r/min. It is the responsibility of the owner/operator to ensure that the brake is serviced,adjusted and tested strictly in accordance with the instructions as detailed here in order to ensurethat the brake performance is maintained in compliance with the Standard B175.1.LockedUnlocked