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OPERATOR’S MANUAL
MANUEL D’UTILISATION
MANUAL DEL OPERADOR
RY10520 / 20 in. 46cc Chain Saw
Scie à chaîne de 46 cc de 508 mm (20 po)
Motosierra de 508 mm (20 pulg.), 46 cc
RY10518 / 18 in. 46cc Chain Saw
Scie à chaîne de 46 cc de 457 mm (18 po)
Motosierra de 457 mm (18 pulg.), 46 cc
(ALL VERSIONS)
(TOUTES LES VERSIONS)
(TODAS LAS VERSIONES)
ENGINE/EVAP. FAMILY: *HCPS.0464AC
FAMILLE DE MOTEUR/ÉVAPORATEUR : *HCPS.0464AC
FAMILIA DE MOTOR/EVAPORADOR: *HCPS.0464AC
Your chain saw has been engineered
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TABLE OF CONTENTS TABLE DES MATIÈRES / ÍNDICE DE CONTENIDO Introduction .......................................................................................................................................2 Introduction / Introducción General Safety Rules ..................................................................................................................... 3-4 Règles de sécurité générales / Reglas de seguridad generales Specific Safety Rules ..........................
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GENERAL SAFETY RULES squeeze the throttle trigger and maintain a WARNING: steady cutting speed. Read and understand all instructions. Failure • Do not overreach or cut above chest height. to follow all instructions listed below, may result • Follow the manufacturer’s sharpening and in electric shock, fire and/or serious personal maintenance instructions for the saw chain. injury. • O nly use rep lacement b ars and chains specified by the manufacturer or the READ
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GENERAL SAFETY RULES guide bar and saw chain to the rear, and the All chain saw service, other than the items listed muffler away from your body. When transporting in the instruction manual and all maintenance, the chain saw, use the appropriate guide bar should be performed by competent chain saw scabbard. service personnel. (For example, if improper tools are used to remove the flywheel or if an Do not operate a chain saw that is damaged, improper tool is used to hold the flywheel
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SPECIFIC SAFETY RULES Before you start the engine, make sure the Refer to Adjusting the Carburetor in the saw chain is not contacting any object. Maintenance section of this manual. If the saw chain still moves at idle speed after adjustment Wear snug-fitting clothing. Always wear has been made, contact an authorized service heavy, long pants, boots, and gloves. Do not center for adjustment and discontinue use until wear jewelry, short pants, sandals, or go bare- the repair is mad
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SYMBOLS Some of the following symbols may be used on this product. Please study them and learn their mean- ing. Proper interpretation of these symbols will allow you to operate the product better and safer. SYMBOL NAME DESIGNATION/EXPLANATION Safety Alert Indicates a potential personal injury hazard. To reduce the risk of injury, user must read and understand Read Operator’s Manual operator’s manual before using this product. Wear eye protection with side shields marked to comply Wear Eye, Hea
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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 Indicates an imminently hazardous situation, which, if not DANGER: avoided, will result in death or serious injury. Indicates a potentially hazardous situation, which, if not avoided, WARNING: could result in death or serious injury. Indicates a potentially hazardous situation, which, if not avoided, CAUTION: may result in minor or moderate injury. (W
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GLOSSARY OF TERMS Bucking Kickback (Rotational) The process of cross cutting a felled tree or log The rapid upward and backward motion of the into lengths. saw which can occur when the moving saw chain near the upper portion of the tip of the guide bar Chain Brake contacts an object, such as a log or branch. A device used to stop the saw chain. Low-Kickback Chain Chain Saw Power Head A chain that complies with the kickback perfor- A chain saw without the saw chain and guide mance requirement
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FEATURES PRODUCT SPECIFICATIONS Bar length: Engine displacement ................................... 46cc RY10520 ................................................. 20 in. Engine power ................................... 2.5 HP min. RY10518 ................................................. 18 in. Idle engine speed ........2,600-3,400 r/min. (RPM) Chain pitch ............................................. .325 in. Fuel tank capacity .................................. 19.4 oz. Chain gauge .........
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FEATURES STARTER GRIP REAR HANDLE STARTER/FAN HOUSING IGNITION THROTTLE FUEL CAP SWITCH TRIGGER Fig. 1b KNOW YOUR CHAIN SAW LOW KICKBACK SAW CHAIN See Figures 1a - 1b. The low kickback saw chain helps minimize the The safe use of this product requires an force of a kickback reaction by preventing the understanding of the information on the product cutters from digging in too deeply at the kickback and in this operator’s manual as well as a zone. knowledge of the project you are attempti
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ASSEMBLY UNPACKING PACKING LIST This product has been shipped completely as- Chain Saw sembled. Scabbard Carefully remove the product and any acces- Combination Wrench sories from the box. Make sure that all items 2-Cycle Engine Lubricant listed in the packing list are included. Case Operator’s Manual WARNING: Do not use this product if it is not completely WARNING: assembled or if any parts appear to be missing If any parts are damaged or missing do not or damaged. Use of a product tha
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OPERATION Do not use any type of pre-mixed gasoline/lubri- WARNING: cant from fuel service stations, this includes the pre-mixed gasoline/lubricant intended for use Always shut off engine before fueling. Never add in mopeds, motorcycles, etc. fuel to a machine with a running or hot engine. Use a high quality 2-cycle self-mixing lubricant Move at least 30 ft. from refueling site before for air-cooled engines. Do not use automotive starting the eng ine. DO NOT SMOKE! Stay
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OPERATION FILLING THE FUEL TANK ADDING BAR AND CHAIN LUBRICANT See Figure 2. See Figure 3. Use RYOBI Bar and Chain Lubricant. It is designed Clean the surface around the fuel cap to prevent for chains and chain oilers, and is formulated to contamination. perform over a wide temperature range with no dilu- Loosen the fuel cap slowly. tion required. Chain saw should use approximately Carefully pour the fuel mixture into the tank. one tank of lubricant per tank of fuel. Avoid spillage
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OPERATION OPERATING THE CHAIN BRAKE BRAKE See Figures 4 - 5. POSITION Check the operating condition of the chain brake prior to each use. Engage the chain brake by rotating your left hand around the front handle, allowing the back of your hand to push the chain brake lever/hand guard toward the bar while the chain is rotating rapidly. Be sure to maintain both hands on the Fig. 4 saw handles at all times. RUN Reset the chain brake back into the RUN posi- POSITION tion by grasping t
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OPERATION below 50°F, pull the starter grip until the engine attempts to start, but no more than 5 times. RUN Push choke lever to RUN position. POSITION Pull starter grip until engine runs. NOTE: Allow the saw to run in this position 15-30 seconds, depending upon the tempera- ture. Depress the trigger release and squeeze and release the throttle trigger to return the engine Fig. 8 to idle after a total run time of at least 30 sec- onds. PRIMER BULB CAUTION: Failure to release pa
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OPERATION STOPPING THE ENGINE IGNITION See Figures 12 - 13. SWITCH IN THE STOP POSITION Release the throttle trigger and let the engine return to idle. To stop the engine, move the ignition switch to the STOP ( O ) position. Do not put the chain saw on the ground when the chain is still moving. For additional safety, set the chain brake when the saw is not in use. In the event that the ignition switch will not stop the saw, pull the choke lever out to the fully extended position (FULL C
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OPERATION WARNING: THE SAW CHAIN SHOULD NEVER TURN AT IDLE. Turn the idle speed screw “T” counter- clockwise to reduce the idle RPM and stop the chain, or contact an authorized service center for adjustment and discontinue use until the repair is made. Serious personal injury may result from the saw chain turning at idle. PULL PULL AND PUSH See Figure 15. The reaction force of the saw is always opposite to the direction the chain is moving. Thus, the operator must be ready to control the
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OPERATION KICKBACK PRECAUTIONS KICKBACK See Figures 16 - 17. DANGER ZONE Rotational kickback occurs when the moving chain contacts an object at the Kickback Danger Zone of the guide bar. The result is a lightning-fast reverse reaction, which kicks the guide bar up and back Fig. 16 towards the operator. This reaction can cause loss of control, which can result in serious injury. ROTATIONAL KICKBACK PREPARING FOR CUTTING PROPER GRIP ON HANDLES See Figure 18. See General Safety Rules
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OPERATION PROPER CUTTING STANCE STRAIGHT See Figure 19. THUMB ON CHAIN LINE ARM UNDERSIDE OF HANDLE BAR WARNING: Alway use the proper cutting stance described in this section. Never kneel when using the chain saw except when felling a tree as shown in figur e 24. Kneeling could r esult in loss of sta- bility and control of the saw resulting in serious personal injury. Balance your weight with both feet on solid ground. Keep left arm with elbow locked in a “straig
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OPERATION the saw at full throttle without a cutting load can result in unnecessary wear to the chain, bar, and PLANNED LINE engine. OF FALL Do not put pressure on the saw at the end of the cut. FELLING TREES HAZARDOUS CONDITIONS WARNING: 90° Do not fell trees during periods of high wind or heavy precipitation. Wait until the hazardous 135° FROM weather has ended. PLANNED LINE OF FALL PATH OF When felling a tree, it is important that you heed SAFE RETREAT the following warnings t
