Ryobi Outdoor P540 CUTTING/WORK Area, Understanding Your Chain SAW Safety Devices, Guide Bars

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GENERAL SAFETY RULES

IN THE CUTTING/WORK AREA

nDo not operate a chain saw in a tree, on a ladder, or scaf- fold; this is extremely dangerous.

nKeep ALL children, bystanders, visitors, and animals out of the work area while starting or cutting with the chain saw.

NOTE: The size of the work area depends on the job being performed as well as the size tree or work piece involved. For example, felling a tree requires a larger work area than making bucking cuts.

nNever start cutting until you have a clear work area, secure footing, and a planned retreat path from the falling tree. Cluttered area invite injuries.

nDo not expose the chain saw to rain.

nDo not use the chain saw in damp or wet locations.

nDo not use the chain saw near flammable liquids, gases, or in any type of explosive atmosphere.

nUse extreme caution when cutting small size brush and saplings, because slender material may catch the saw chain and be whipped toward you or pull you off bal- ance.

nWhen cutting a limb that is under tension, be alert for spring back so that you will not be struck when the ten- sion in the wood fibers is released.

nDo not force the chain saw. The job can be performed better and safer at the rate for which it was intended.

nAlways use the right product for your application. The chain saw should be used for cutting wood only. Never use the chain saw to cut plastic, masonry or non-wood building materials.

nDo not use the chain saw for purposes not intended.

nStore idle chain saw when not in use. Chain saw should be stored in a dry and high or locked area out of the reach of children. When storing chain saw, remove battery and place the scabbard on the bar and chain or store the chain saw in a carry case.

nRemove the battery pack from the chain saw before cleaning, servicing, storing, removing material from the unit, changing accessories such as the bar and chain, or when not in use.

UNDERSTANDING YOUR CHAIN SAW SAFETY DEVICES

See Figure 4.

SAFE-T-TIP®Anti-Kickback Nose Guard

The SAFE-T-TIP®prevents kickback from happening, be- cause it covers the tip of the bar where kickback is gener- ated. Never attempt any kind of cutting where the SAFE-T- TIP® would have to be removed from the bar tip.

LOW KICKBACK SAW CHAIN

The rakers (depth gauges) ahead of each cutter can minimize the force of a kickback reaction by preventing the cutters from digging in too deeply at the kickback zone. Only use replacement chain that is equivalent to original chain or has been certified as low kickback chain per ANSI B175.1.

Low kickback saw chain is chain that has met the kickback performance requirements of ANSI B175.1 - 1991 (Amer- ican National Standard for Power Tools - Gasoline-Powered Chain Saws-Safety Requirements) when tested on the rep- resentative sample of chain saws below 3.8 c.i.d. specified in ANSI B175.1 - 1991.

As saw chains are sharpened during their useful life, they lose some of the low kickback qualities and extra caution should be used.

GUIDE BARS

Generally, guide bars with small radius tips have somewhat lower kickback potentials.

When making a replacement, be sure to order one of the Ryobi bars listed for the saw in this operator's manual. The proper size SAFE-T-TIP®nose guard comes installed on the bar. Use only guide bars that have a provision for mounting the SAFE-T-TIP®.

SAFE-T-TIP®

Fig. 4

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Contents Save this Manual for Future Reference Operators ManualIntroduction Table of ContentsSafety Apparel General Safety RulesRead ALL Instructions Basic Safety Precautions See Figures 1 KickbackCUTTING/WORK Area Understanding Your Chain SAW Safety DevicesLOW Kickback SAW Chain Guide BarsBattery Safety Safety Rules for ChargerCharger Safety ModelSymbol Name Explanation SymbolsSymbol Meaning Battery Pack Not Included HEX KEY Product SpecificationsScabbard BAR SAFE-T-TIP Chain Hand Guard Front HandleOperation AssemblyUnpacking Packing ListBattery Pack Charger Charging the Battery PackCharging a Cool Battery Pack To Install Battery Pack Charging a HOT Battery PackTo Remove Battery Pack Battery Port Pack LatchesSee Figures 10 Starting and Stopping the Chain SAWPreparation for Cutting Chain Line Work Area Precautions Basic Cutting ProcedureProper Cutting Stance Tree FellingRetreat Zone Planned Line of FallFall HingeNotch Back CUT Hinge Wedge Kickback BuckingSee Figures 18 See Figures 20 Bucking Logs Under StressTypes of Cutting Used Pruning LimbingSpringpoles SpringpoleGeneral Maintenance MaintenanceBattery Pack Removal Preparation for Recycling BatteriesSee Figures 25 Replacing BAR and ChainRecommended BAR and Chain Combinations Lift the TIP Guide BAR UP to Check for SAG HEX KEY Chain TensionSee Figures 30 HOW to Sharpen the Cutters Chain MaintenanceSee Figures 32 See Figures 34Depth Gauge Clearance TOP Plate Filing AngleSide Plate Angle Reversing the Guide BAR Guide BAR MaintenanceSee Figures 39 See Figures 41Mounting SAFE-T-TIPNOSE Guard SAFE-T-TIPNOSE Guard MaintenanceTransporting and Storing See Figures 42Problem Cause Solution TroubleshootingService Model NO. and Serial no

P540 specifications

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