Resumen del contenido incluido en la página 1
OPERATOR’S MANUAL
18 in. ELECTRIC CHAIN SAW
DOUBLE INSULATED
RY43006
Your chain saw has been engineered and manufactured to Ryobi’s 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 buying a Ryobi product.
SAVE THIS MANUAL FOR FUTURE REFERENCE
Resumen del contenido incluido en la página 2
TABLE OF CONTENTS n Introduction ..................................................................................................................................................................... 2 �n General Safety Rules.................................................................................................................................................... 3-6 n � Symbols................................................................................................................
Resumen del contenido incluido en la página 3
GENERAL SAFETY RULES short pants, sandals, or go barefoot. Do not wear loose fitting clothing, which could be drawn into the motor or WARNING: catch the chain or underbrush. Secure hair so it is above Do not attempt to operate this unit until you have read shoulder level. thoroughly and understand completely all instructions, n Wear eye protection which is marked to comply with ANSI safety information, etc. contained in this manual. Failure Z87.1 as well as hearing and head protection whe
Resumen del contenido incluido en la página 4
GENERAL SAFETY RULES n Avoid body contact with grounded surfaces such as metal n Do not cut vines and/or small underbrush. pipes and wire fences. There is an increased risk of electric n Do not operate a chain saw in a tree, on a ladder, or scaf- shock if your body is grounded. fold; this is extremely dangerous. n Do not operate a chain saw that is damaged, improperly NOTE: The size of the work area depends on the job adjusted, or not completely and securely assembled. being performed as
Resumen del contenido incluido en la página 5
GENERAL SAFETY RULES KICKBACK See Figures 1 - 2. ROTATIONAL 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 operato
Resumen del contenido incluido en la página 6
GENERAL SAFETY RULES As saw chains are sharpened during their useful life, they UNDERSTANDING YOUR CHAIN SAW SAFETY lose some of the low kickback qualities and extra caution DEVICES should be used. See Figure 4. ® GUIDE BARS SAFE-T-TIP ANTI-KICKBACK NOSE GUARD ® Generally, guide bars with small radius tips have somewhat The SAFE-T-TIP prevents rotational kickback from hap- lower kickback potentials. pening, because it covers the tip of the bar where kickback When making a replacement, be
Resumen del contenido incluido en la página 7
SYMBOLS Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer. SYMBOL NAME EXPLANATION V Volts Voltage A Amperes Current Hz Hertz Frequency (cycles per second) W Watt Power min Minute
Resumen del contenido incluido en la página 8
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.
Resumen del contenido incluido en la página 9
ELECTRICAL DOUBLE INSULATION EXTENSION CORDS Double insulation is a concept in safety in electric power When using a power tool at a considerable distance from tools, which eliminates the need for the usual three- a power source, be sure to use an extension cord that has wire grounded power cord. All exposed metal parts are the capacity to handle the current the tool will draw. An isolated from the internal metal motor components with undersized cord will cause a drop in line voltage, resulti
Resumen del contenido incluido en la página 10
GLOSSARY OF TERMS Bar Tip Guard Kickback, Rotational An attachment that may be provided on the end of the The rapid upward and backward motion of the saw which guide bar to prevent the chain at the end of the guide bar can occur when the moving saw chain near the upper from contacting the wood. portion of the tip of the guide bar contacts an object, such as a log or branch. Bucking The process of cross cutting a felled tree or log into Low-Kickback Chain lengths. A chain that complies with th
Resumen del contenido incluido en la página 11
FEATURES PRODUCT SPECIFICATIONS Bar Length................................................................. 18 in. No Load Speed (Sprocket).................................6200/min. Chain Type ................................Skip Tooth/Low Kickback Input .............................120 V, 60 Hz, AC only, 13.0 Amps Motor.......................................................................3.5 hp. Net Weight............................................................ 10.7 lbs. Bar and Chain Oil
Resumen del contenido incluido en la página 12
ASSEMBLY UNPACKING WARNING: This product has been shipped completely assembled. If any parts are missing do not operate this tool until the n Carefully remove the tool and any accessories from the missing parts are replaced. Failure to do so could result box. Make sure that all items listed in the packing list are in possible serious personal injury. included. n Inspect the tool carefully to make sure no breakage or damage occurred during shipping. WARNING: n Do not discard the packing ma
Resumen del contenido incluido en la página 13
OPERATION AUTOMATIC CHAIN OIL SYSTEM OIL RESERVOIR See Figure 6. CAP NOTE: Chain saw comes from the factory with no bar and chain oil added. n Use Power Care Bar and Chain Oil. It is formulated to perform over a wide temperature range with no dilution required. n Remove oil cap. n Carefully pour the bar and chain oil into the tank. n Wipe off excess oil. n Check and fill the oil tank when quick view oil indicator is below the second to last indicator line. n Repeat as needed. QUICK VIEW
Resumen del contenido incluido en la página 14
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 n Make sure no objects or obstructions are in immediate vicinity which could come in contact with the bar and chain. n Press and hold the switch lock. This makes the switch SWITCH LOCK trigger operational. n Press and hold the switch trigger, release the switch lock and continue to squeeze th
Resumen del contenido incluido en la página 15
OPERATION PREPARATION FOR CUTTING FRONT PROPER GRIP ON HANDLES HANDLE See Figures 9 - 11. Refer to “General Safety Rules” earlier in this manual for appropriate safety equipment. n Wear non-slip gloves for maximum grip and protection. n Hold the saw firmly with both hands. Always keep your left hand on the front handle and your right hand on the rear handle so that your body is to the left of the chain line. WARNING: REAR HANDLE Fig. 9 Never use a left-handed (cross-handed) grip, or any s
Resumen del contenido incluido en la página 16
OPERATION PROPER CUTTING STANCE See Figure 12. n Weight should be balanced with both feet on solid CHAIN LINE ground. n Keep left arm with elbow locked in a "straight arm" posi- STRAIGHT ARM POSITION tion to withstand any kickback force. n Your body should always be to the left of the chain line. n 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
Resumen del contenido incluido en la página 17
OPERATION PLANNED LINE OF FALL 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! n Felling a tree - When bucking and felling operations are 90° SAFE being performed by two or more persons, at the same RETREAT time, the felling operation should be separated from
Resumen del contenido incluido en la página 18
OPERATION n Felling Backcut. The backcut is always made level and n Sometimes it is impossible to avoid pinching (with just horizontal, and at a minimum of 2 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- n Never cut through to the notch. Always leave a band of nated. wood between the notch and back
Resumen del contenido incluido en la página 19
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
Resumen del contenido incluido en la página 20
OPERATION LIMBING See Figure 21. 3 2 Limbing is removing branches from a fallen tree. 1 n 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. n Leave the larger support limbs under the tree to keep the tree off the ground while cutting. 4 n Limbs should be cut one at a time. Remove the cut limbs CUT LIMBS ONE AT A TIME AND LEAVE SUPPORT LIMBS from the work area often to help keep th
