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OPERATOR’S MANUAL
18 VOLT cHAIN SAW
P540
P540A
P540B
AccEPTS ALL ONE+
BATTERY PAcKS
BATTERIES ANd cHARGERS
SOLd SEPARATELY
Your chain saw has been engineered and manufactured to our high standard for dependability, ease of operation, and
operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.
WARNING: To reduce the risk of injury, the user must read and understand the operator's manual before using
this product.
Thank you for your purchase.
SA
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TABLE OF cONTENTS Introduction ....................................................................................................................................................................... General Safety Rules ..................................................................................................................................................... 3-5 Specific Safety Rules ................................................................................................
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GENERAL SAFETY RULES Keep handles dry, clean, and free of oil and grease. WARNING: Do not operate a chain saw that is damaged, improperly adjusted, or not completely and securely assembled. Chain Do not attempt to operate this unit until you have read should stop turning when the trigger is released. If the thoroughly and understand completely all instructions, chain turns after the trigger has been released, have the safety information, etc. contained in this manual. Failure unit se
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GENERAL SAFETY RULES KIcKBAcK ROTATIONAL See Figures 1 - 2. KICKBACK WARNING: 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 opera
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GENERAL SAFETY RULES UNdERSTANdING YOUR cHAIN SAW SAFETY IN THE cUTTING/WORK AREA dEVIcES Do not operate a chain saw in a tree, on a ladder, or scaf- See Figure 4. fold; this is extremely dangerous. ® Keep ALL children, bystanders, visitors, and animals out SAFE-T-TIP Anti-Kickback Nose Guard ® of the work area while starting or cutting with the chain The SAFE-T-TIP prevents kickback from happening, be- saw. cause it covers the tip of the bar where kickback is gener- NOTE: The size of the
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SPEcIFIc SAFETY RULES explosion. Properly dispose of a dropped or damaged BATTERY SAFETY battery immediately. Battery operated units do not have to be plugged into an Batteries can explode in the presence of a source of ig- electrical outlet; therefore, they are always in operating nition, such as a pilot light. To reduce the risk of serious condition. Be aware of possible hazards even when unit personal injury, never use any cordless product in the is not operating. presence of open
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SYMBOLS Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the product better and safer. SYMBOL NAME dESIGNATION/EXPLANATION V Volts Voltage A Amperes Current Hz Hertz Frequency (cycles per second) W Watt Power min Minutes Time Alternating Current Type of current Direct Current Type or a characteristic of current n No Load Speed Rotational speed, at no load o Class II Construction
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SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL MEANING dANGER: Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury. cAUTION: Indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury.
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FEATURES PROdUcT SPEcIFIcATIONS Motor ......................................................................................................................................................................18 Volt DC Bar Length ......................................................................................................................................................................10 in. Replacement Bar Part Number .........................................................................
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ASSEMBLY UNPAcKING WARNING: This product has been shipped completely assembled. If any parts are damaged or missing do not operate this Carefully remove the product and any accessories from product until the parts are replaced. Failure to heed this the box. Make sure that all items listed in the packing list warning could result in serious personal injury. are included. Inspect the product carefully to make sure no breakage or damage occurred during shipping. WARNING: Do not discard
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OPERATION This product will accept Ryobi One+ 18 V lithium-ion cHAIN OIL SYSTEM battery packs and Ryobi One+ 18 V nickel-cadmium battery See Figure 7. packs. Use Ryobi Bar and Chain Lubricant. It is formulated to perform over a wide temperature range with no dilution For complete charging instructions, refer to the Operator’s required. Manual for the battery packs and chargers listed in the General Safety Rules. NOTE: Do not use dirty, used or otherwise contaminated oils. Damage may o
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OPERATION STARTING ANd STOPPING THE cHAIN SAW See Figure 8. WARNING: Keep body to the left of the chain line. Never straddle the saw or chain, or lean over past the chain line. Starting the chain saw: Place the chain saw on a flat bare surface and make sure no objects or obstructions are in immediate vicinity which could come in contact with the bar and chain. TRIGGER RELEAsE BuTTON Press and hold the trigger release button. This makes the trigger operational. Press and hold the tri
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OPERATION WARNING: Never use a left-handed (cross-handed) grip, or any stance which would place your body or arm across the chain line. Maintain a proper grip on the saw whenever the unit is running. The fingers should encircle the handle and the thumb is wrapped under the handlebar. This grip is least likely to be broken (by a kickback or other sudden reaction of the saw). Any grip in which the thumb and fingers are on the same side of the handle, is dangerous because a slight kick of
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OPERATION PROPER cUTTING STANcE See Figure 12. Weight should be balanced with both feet on solid ChAIN LINE ground. Keep left arm with elbow locked in a "straight arm" posi- sTRAIGhT ARM pOsITION tion to withstand any kickback force. Your body should always be to the left of the chain line. Thumb should be on underside of handlebar. BASIc cUTTING PROcEdURE Practice cutting a few small logs using the following tech- nique to get the "feel" of using the saw before you begin a major saw
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OPERATION pLANNED LINE Of f ALL WARNING: Periodically glance at the top of the tree during the backcut to assure the tree is going to fall in the desired direction. WARNING: If the tree starts to fall in the wrong direction, or if the saw gets caught or hung up during the fall, leave the saw and save yourself! Felling a tree - When bucking and felling operations are 90° being performed by two or more persons, at the same sAfE time, the felling operation should be separated from the RE
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OPERATION Felling Backcut. The backcut is always made level and Sometimes it is impossible to avoid pinching (with just horizontal, and at a minimum of in. above the horizontal standard cutting techniques) or difficult to predict which cut of the notch. See Figures 14 - 15. way a log will settle when cut. To avoid pinching while cutting, rotate or move the log so that the pinch is elimi- Never cut through to the notch. Always leave a band of nated. wood between the notch and backcu
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OPERATION BUcKING LOGS UNdER STRESS LOG suppORTED AT ONE END: See Figures 19 - 20. When the log is supported along its entire length, it should LOAD be cut from the top or overbucking. fINIshING CuT When the log is supported on one end, cut 1/3 the diameter from the underside or underbucking. Then make the finishing cut by overbucking to meet the first cut. As the log is being cut, it will tend to bend. The saw can become pinched or hung in the log if you make the first cut 1sT CuT 1/3 DIA
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OPERATION LIMBING See Figure 21. 3 2 Limbing is removing branches from a fallen tree. 1 Work slowly, keeping both hands on the chain saw with a firm grip. Always make sure your footing is secure and your weight is distributed evenly on both feet. Leave the larger support limbs under the tree to keep the tree off the ground while cutting. 4 Limbs should be cut one at a time. Remove the cut limbs CuT LIMBs ONE AT A TIME AND LEA vE suppORT LIMBs from the work area often to help keep t
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MAINTENANcE GENERAL MAINTENANcE WARNING: Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of When servicing, use only identical replacement parts. commercial solvents and may be damaged by their use. Use Use of any other parts may create a hazard or cause clean cloths to remove dirt, dust, oil, grease, etc. product damage. WARNING: WARNING: Do not at any time let brake fluids, gasoline, petroleum- Always wear safety goggles or safe
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MAINTENANcE REPLAcING BAR ANd cHAIN See Figures 24 - 28. ADjusTING spROCKET pIN WARNING: Remove the battery pack from the chain saw and make sure the chain has stopped before you do any work on BAR the saw. Failure to do so may result in accidental starting and possible serious injury WARNING: w AshER The safety instructions in this section are to protect the user from serious personal injury. cAUTION: ChAIN Always wear gloves when handling the bar and chain; ChAIN TENsION ChAIN these c
