23 CS-450PCHAIN AND GUIDE BAR COMBINATIONThe following combinations are recommended for model CS-450P.WARNINGUse of replacement saw chain and/or guide bar other than that specified, or operation without the “tip guard” in place,may cause severe kickback resulting in serious injury.Only use replacement guide bar and saw chain that has been designated as meeting the ANSI B175.1 - 2000and/or CSA Z62.3 requirements. All of the guide bar and chain combinations listed above meet the ANSIB175.1-200 and/or CSA Z62.3 requirements.IMPORTANTChain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table above.IMPORTANTIf your kick guard is damaged or lost, contact your Echo dealer for a replacement. For the name of theEcho dealer nearest you, Call: 1-800-432-ECHO (3246) or on the web at www.echo-usa.com.GUIDE BARECHO P/N ECHO PARTNO. LINKS PITCHin (mm) GAUGE16F0AD3366 20BPX66CQ16F0AD3366 33SL66CQ16F0MD3366 95VP66CQ16F0LD3366 *20LPX66CQ18F0AD3372 20BPX72CQ18F0AD3372 33SL72CQ18F0MD3372 95VP72CQ18F0LD3372 *20LPX72CQ20BPX78CQ33SL78CQ20F0LD3378 *20LPX78CQMODELBARLENGTHin (mm)SAW CHAIN66CS-450P20FOAD337816 (406)18 (457)0.324(8.26) 0.05020 (508) 780.324(8.26) 0.05072 0.324(8.26) 0.050WARNING* 20LPX Chain is a high-performance chain intended for professional or experienced chain saw operators, andincreases risk of kickback.