Related Manuals for Ryobi RCS4640N
Summary of Contents for Ryobi RCS4640N
- Page 1 RCS4640N PETROL CHAINSAW Important! It is essential that you read the instructions in this manual before assembling, maintaining and operating this machine.
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Page 2: General Safety Rules
Be sure that the saw chain stops moving when the throttle control trigger is released. Your chainsaw has been engineered and manufactured to Ryobi’s high standard for dependability, ease of operation, GENERAL PRECAUTIONS and operator safety. Properly cared for, it will give you ■... -
Page 3: Maintenance Precautions
You must never modify falling tree. or remove parts from this product or use parts not recommended by Ryobi. This will increase the risk of ■ Do not cut from a ladder, this is extremely dangerous. injury. - Page 4 English (Original Instructions) KICK-BACK Hereditary factors, exposure to cold and dampness, diet, smoking and work practices are all thought to contribute to ■ Kick-back may occur when the nose of the guide bar the development of these symptoms. There are measures touches an object or when the wood closes in and that can be taken by the operator to possibly reduce the pinches the saw chain in the cut.
- Page 5 If you do not understand the warnings and instructions in the Pull starter until engine runs (6x Max). operator’s manual, do not use this product. Call Ryobi customer service for assistance. Chain brake ON. Depress the trigger release Mix the fuel mix thoroughly and also each time before refueling.
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Page 6: Specifications
160PXBK041 be used by another person. Color Black SPECIFICATIONS Chain Oregon part number 20BPX-66 Model name RCS4640N File size (to sharpen chain) 5/32" (4mm) 46cc 40cm(16") Description gasoline chainsaw Weight - no bar, chain, fuel 4.9 kg DESCRIPTION 575 cm 3 Fuel tank capacity 1. -
Page 7: Operation
English (Original Instructions) OPERATION WARNING For your safety, study this entire manual before operating Kick-back occurs when the moving chain contacts the saw. Pay particular attention to the precautions and an object at the upper portion of the tip of the guide instructions listed in the operator’s manual. -
Page 8: Starting The Engine
Premix unleaded petrol and 2-stroke engine lubricant See figure 7. in a clean container approved for petrol. Use Ryobi bar and chain lubricant. It is designed for ■ This engine is certified to operate on unleaded petrol chains and chain lubricating, and is formulated to perform intended for motor vehicle use with an octane rating of over a wide temperature range with no dilution required. -
Page 9: Starting A Cold Engine
English (Original Instructions) no objects or obstructions which could come in contact STOPPING THE ENGINE with the bar and chain are in the immediate vicinity. See figure 15. 2. Hold the front handle firmly with the left hand and put Release the throttle trigger and let the engine return to your right foot onto the base of the rear handle. -
Page 10: Work Area Precautions
English (Original Instructions) the thumb be wrapped under the handlebar. This grip bar, chain, or engine. is least likely to be broken (by a kick-back or other 6. Release the throttle trigger as soon as the cut is sudden reaction of the saw). Any grip in which the completed, allowing the engine to idle. -
Page 11: Adjusting Idling Speed
English (Original Instructions) ADJUSTING IDLING SPEED operating this equipment. ■ Do not cut down trees having an extreme lean or large See figure 24. trees with rotten or dead limbs, loose bark, or hollow ■ If the engine starts, runs, and accelerates but will trunks. - Page 12 English (Original Instructions) the weight of the wood off the saw, always make the BUCKING WITH A WEDGE lower cut of the notch before the upper cut. See figure 34. 4. Make the back-cut (D) level and horizontal, and at a If the wood diameter is large enough for you to insert a soft minimum of 2 inches (5 cm) above the horizontal cut bucking wedge (B) without touching the chain, you should...
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Page 13: Maintenance
English (Original Instructions) 1. Underbuck the branch 1/3 through for your first cut (A). 4. Remove the bar mounting nuts (B) using a combination 2. Overbuck the branch to drop it (B). wrench (C) or a 13mm socket wrench spanner. 3. -
Page 14: Chain Maintenance
English (Original Instructions) 1. Stop the engine before setting the chain tension. SHARPENING THE CUTTERS 2. Make sure the guide bar mounting nuts are loosened See figure 53 - 56. to finger tight and turn the chain tensioning screw (M) Parts of a cutter clockwise to tension the chain. -
Page 15: Maintaining The Guide Bar
English (Original Instructions) TOP PLATE FILING ANGLE A bar with any of the following faults should be replaced: ■ Wear inside the bar rails which permits the chain to lie See figure 57. over sideways; (A) Correct 30° – file holders are marked with guide marks ■... -
Page 16: Chain Brake
English (Original Instructions) WARNING WARNING Never run the engine without the air filter, serious Silencer surfaces are very hot during and after damage could result. Make sure the air filter is correctly operation of the chainsaw. Keep all body parts away placed in the air filter cover before reassembly. -
Page 17: Maintenance Schedule
English (Original Instructions) NOTE: Keep away from corrosive agents such as garden chemicals and de-icing salts. Abide by all government and local regulations for the safe storage and handling of petrol. Excess fuel should be used in other 2-cycle engine powered equipment. MAINTENANCE SCHEDULE Daily check before use Fuel mixture level . -
Page 18: Troubleshooting
English (Original Instructions) TROUBLESHOOTING Problem Possible cause Solution Engine will not start (Make No spark. The spark plug could be cracked or damaged. sure ignition switch is in Replace the old spark plug with a new one and start position “I”). try to start again. - Page 19 English (Original Instructions) Engine starts but will not Check for lubricating function. Run at half throttle 30 to 45 seconds. Stop saw accelerate properly. and check for lubricant dripping from guide bar. If lubricant is present, the chain may be dull or bar may be damaged.
- Page 20 Techtronic Industries (Australia) Pty. Ltd. Level 1, 660 Doncaster Road Doncaster, VIC 3108, Australia Techtronic Industries New Zealand Ltd. 18-26 Amelia Earhart Avenue Mangere, Auckland 2022, New Zealand 960994019-02...