Ryobi Outdoor P540 manual Kickback, See Figures 1

Page 4

GENERAL SAFETY RULES

KICKBACK

See Figures 1 - 2.

nWARNING: Kickback may occur when the moving chain contacts an object at the upper portion of the tip of the guide bar or when the wood closes in and pinches the saw chain in the cut. Contact at the upper portion of the tip of the guide bar can cause the chain to dig into the object and stop the chain for an instant. The result is a lightning fast, reverse reaction which kicks the guide bar up and back toward the operator. If the saw chain is pinched along the top of the guide bar, the guide bar can be driven rapidly back toward the operator. Either of these reactions can cause loss of saw control which can result in serious injury. Do not rely exclusively upon the safety devices built into the saw. As a chain saw user, you should take several steps to keep your cutting jobs free from accident or injury.

nThe following precautions should be followed to mini- mize kickback:

1.Always grip the saw firmly with both hands. Hold the saw firmly with both hands when the unit is running. Place your right hand on the rear handle and your left hand on the front handle with your thumbs and fingers encircling the chain saw handles. A firm grip together with a stiff left arm will help you maintain control of the saw if kickback occurs.

2.Make sure that the area in which you are cutting is free from obstructions. Do not let the nose of the guide bar contact a log, branch, fence, or any other obstruction that could be hit while you are operating the saw.

3.Always cut with the unit running at full speed. Fully squeeze the throttle trigger and maintain a steady cutting speed.

4.Use replacement parts such as low kickback chain, SAFE-T-TIP®anti-kickback nose guards, chain brakes and special guide bars that reduce the risks associated with rotational kickback.

Use only the replacement guide bars and low kickback chains specified by the manufacturer for the saw.

nWith a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden surprise contributes to accidents.

nKeep proper footing and balance at all times.

nDo not cut above shoulder height or overreach when cutting.

nKeep the SAFE-T-TIP®anti-kickback nose guard properly mounted on the guide bar to prevent rotational kickback.

nFollow the sharpening and maintenance instructions for the saw chain.

nPush and Pull - This reaction force is always opposite to the direction the chain is moving where wood contact is made. Thus, the operator must be ready to control the PULL when cutting on the bottom edge of the bar, and PUSH when cutting along the top edge. See Figure 3.

ROTATIONAL

KICKBACK

BAR SHOWN WITHOUT SAFE-T-TIP®NOSE GUARD FOR

ILLUSTRATION PURPOSES ONLY.

Fig. 1

KICKBACK

DANGER ZONE

Fig. 2

PULL

PUSH

Fig. 3

4

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Contents Operators Manual Save this Manual for Future ReferenceTable of Contents IntroductionRead ALL Instructions Basic Safety Precautions General Safety RulesSafety Apparel Kickback See Figures 1Understanding Your Chain SAW Safety Devices CUTTING/WORK AreaLOW Kickback SAW Chain Guide BarsSafety Rules for Charger Battery SafetyCharger Safety ModelSymbols Symbol Name ExplanationSymbol Meaning Product Specifications Battery Pack Not Included HEX KEYScabbard BAR SAFE-T-TIP Chain Hand Guard Front HandleAssembly OperationUnpacking Packing ListCharging a Cool Battery Pack Charging the Battery PackBattery Pack Charger Charging a HOT Battery Pack To Install Battery PackTo Remove Battery Pack Battery Port Pack LatchesPreparation for Cutting Starting and Stopping the Chain SAWSee Figures 10 Chain Line Basic Cutting Procedure Work Area PrecautionsProper Cutting Stance Tree FellingPlanned Line of Fall Retreat ZoneFall HingeSee Figures 18 BuckingNotch Back CUT Hinge Wedge Kickback Types of Cutting Used Bucking Logs Under StressSee Figures 20 Limbing PruningSpringpoles SpringpoleMaintenance General MaintenanceBattery Pack Removal Preparation for Recycling BatteriesRecommended BAR and Chain Combinations Replacing BAR and ChainSee Figures 25 See Figures 30 Chain TensionLift the TIP Guide BAR UP to Check for SAG HEX KEY Chain Maintenance HOW to Sharpen the CuttersSee Figures 32 See Figures 34Side Plate Angle TOP Plate Filing AngleDepth Gauge Clearance Guide BAR Maintenance Reversing the Guide BARSee Figures 39 See Figures 41SAFE-T-TIPNOSE Guard Maintenance Mounting SAFE-T-TIPNOSE GuardTransporting and Storing See Figures 42Troubleshooting Problem Cause SolutionService Model NO. and Serial no

P540 specifications

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