Ryobi RY43006 manuel d'utilisation

SA VE THIS MANUAL FOR FUTURE REFERENCE Y our chain saw has been engineered and manufactured to Ryobi’ s high standar d for dependability , ease of operation, and operator safety . When properly car ed for , it will give you years of rugged, trouble-fr ee performance. WARNING: T o r educe the risk of injury , the user must read and understand the [...]

2 n Introduction ..................................................................................................................................................................... 2 � n General Safety Rules ..........................................................................................................................................[...]

3 GENERAL SAFETY RULES READ ALL INSTRUCTIONS BASIC SAFETY PRECAUTIONS n Do not start cutting until you have a clear work area, se- cure footing, and a planned retreat path from the falling tree. Cluttered areas invite accidents. n Keep ALL children, bystanders, visitors, and animals out of the work area while starting or cutting with the chain saw [...]

4 GENERAL SAFETY RULES n Avo id body con tac t with gro und ed surf ace s such as meta l pip es and wire fenc es. Ther e is an incr ease d risk of elec tric shock if your body is ground ed. n Do not operate a chain saw that is damaged, improperly adjusted, or not completely and securely assembled. Chain should slow to a stop when the switch trigger[...]

5 GENERAL SAFETY RULES KICKBACK See Figures 1 - 2. 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 cha[...]

6 GENERAL SAFETY RULES UNDERST ANDING YOUR CHAIN SAW SAFETY DEVICES See Figure 4. SAFE-T -TIP ® ANTI-KICKBACK NOSE GUARD The SAFE-T -TIP ® pr events rotational kickback fr om hap- pening, because it covers the tip of the bar wher e kickback is generated. Never attempt any kind of cutting where the SAFE-T -TIP ® would have to be removed fr om the[...]

7 V V olts V oltage A Amper es Current Hz Hertz Frequency (cycles per second) W W att Power min Minutes Time Alternating Current T ype or a characteristic of current Direct Curr ent T ype or a characteristic of current n 0 No Load Speed Rotational speed, at no load Class II Construction Designates Double Insulated Construction tools .../min Revolut[...]

8 SYMBOLS SERVICE Servicing r equires extr eme care and knowledge and should be performed only by a qualified service technician. For service we suggest you r etur n the product to your nearest AUTHORIZED SERVICE CENTER for r epair . When servic- ing, use only identical replacement parts. WARNING: SA VE THESE INSTRUCTIONS The following signal words[...]

9 EXTENSION CORDS When using a power tool at a considerable distance from a power source, be sure to use an extension cord that has the capacity to handle the current the tool will draw . An undersized cord will cause a dr op in line voltage, resulting in overheating and loss of power . Use the chart to determine the minimum wire size required in a[...]

10 Bar Tip Guard An attachment that may be provided on the end of the guide bar to prevent the chain at the end of the guide bar from contacting the wood. Bucking The pr ocess of cr oss cutting a felled tree or log into lengths. Chain Brake A device used to stop the chain saw . Chain Saw Powerhead A chain saw without the saw chain and guide bar . C[...]

11 FEA TURES Fig. 5 PRODUCT SPECIFICA TIONS Bar Length ................................................................. 18 in. Chain Type ................................ Skip Tooth/Low Kickback Motor ....................................................................... 3.5 hp. Bar and Chain Oil Capacity ..................................... 7.1[...]

12 ASSEMBL Y UNP ACKING This product has been shipped completely assembled. n Carefully remove the tool and any accessories from the box. Make sure that all items listed in the packing list are included. n Inspect the tool carefully to make sure no breakage or damage occurred during shipping. n Do not discar d the packing material until you have ca[...]

13 OPERA TION AUTOMA TIC CHAIN OIL SYSTEM See Figure 6. 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 requir ed. n Remove oil cap. n Carefully pour the bar and chain oil into the tank. n Wipe off excess oil. n Che[...]

14 Fig. 8 SWITCH LOCK SWITCH TRIGGER WARNING: Keep body to the left of the chain line. Never straddle the saw or chain, or lean over past the chain line. ST ARTING THE CHAIN SA W 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 switc[...]

15 n 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 r eaction of the saw). Any grip in which the thumb and fingers are on the same side of the handle, is danger ous because a sl[...]

16 Fig. 12 PROPER CUTTING ST ANCE See Figure 12. n W eight should be bal anced w ith both feet on solid ground. n Keep left arm with elbow locked in a "straight arm" posi- tion to withstand any kickback force. n Y our body should always be to the left of the chain line. n Thumb should be on underside of handlebar . BASIC CUTTING PROCEDURE[...]

17 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 being performed by two or more persons, at the same time, the felling operation should be separated fr om the bucking operation by a distance[...]

18 n Felling Backcut. The backcut is always made level and horizontal, and at a minimum of 2 in. above the horizontal cut of the notch. See Figures 14 - 15. n Never cut through to the notch. Always leave a band of wood between the notch and backcut (appr oximately 2 in. or 1/10 the diameter of the tree). This is called "hinge" or “hinge[...]

19 BUCKING LOGS UNDER STRESS See Figures 19 - 20. When the log is supported along its entire length, it should be cut from the top or overbucking. When the log is supported on one end, cut 1/3 the diameter fr om the under side or und erbu cking . The n make the finis hing cut by overbucking to meet the first cut. As the log is being cut, it will te[...]

20 LIMBING See Figure 21. Limbing is removing branches fr om a fallen tree. n W ork slowly , keeping both hands on the chain saw with a firm grip. Always make sur e your footing is secure and your weight is distributed evenly on both feet. n Leave the lar ger support limbs under the tree to keep the tree of f the ground while cutting. n Limbs shoul[...]

21 ADJUSTMENTS WARNING: Before performing any adjustment, make sur e the tool is unplugged from the power supply . Failure to heed this warning could result in serious personal injury . ADJUSTING CHAIN TENSION See Figures 24 - 26. n Unplug the chain saw and remove power cor d. n Loosen the guide bar nut to finger tight, tur n the chain tensioner kn[...]

22 REPLACING BAR AND CHAIN See Figures 27 - 31. WARNING: Before performing any maintenance, make sur e the tool is unplugged from the power supply . Failur e to heed this warning could result in serious personal injury . CAUTION: Always wear gloves when handling the bar and chain; these components are sharp and may contain burrs. n Unplug the chain[...]

23 n Reinstall the chain cover assembly , bushing and guide bar nut. Tighten the guide bar nut finger tight only . The bar must be free to move for tension adjustment. NOTE: When replacing the chain cover assembly assure that the adjusting pin is in the chain tension pin hole and that the chain cover assembly fits flush to the housing. NOTE: Chain [...]

24 CHAIN MAINTENANCE See Figures 32 - 33. Fig. 34 Fig. 33 CHECK FOR WEAR OR DAMAGE U s e o n l y 3 / 8 i n . p i t c h s k i p t o o t h / l o w - k i c k b a c k (62 drivelink) chain on this saw . This fast-cutting chain will provide kickback r eduction when properly maintained. For smooth and fast cutting, chain needs to be maintained pr op er ly[...]

25 TOP PLA TE FILING ANGLE See Figure 36. n CORRECT 30° - File holders are marked with guide marks to align file properly to pr oduce correct top plate angle. n LESS THAN 30° - For Cross Cutting. n MORE THAN 30° - Feathered Edge Dulls Quickly . SIDE PLA TE ANGLE See Figure 37. n CORRECT - 80 o Produced automatically if correct diam- eter file is[...]

26 Use a Flat File and a Dept h Gauge Jointe r to lowe r all gauges un ifo rml y . Dep th ga uge jo int ers are avai lab le in .020 in . to .03 5 in . U se a .0 25 in . d ept h g aug e join ter . A fte r lowe rin g each de pt h ga uge , r est or e or igi nal shap e by r oun di ng the fro nt . Be car ef ul not to damage adjoining drive links with th[...]

27 SAFE-T -TIP ® NOSE GUARD MAINTENANCE See Figures 42 - 43. Tighten the mounting scr ew of the nose guard as instructed below . These are specially hardened screws. If the screw cannot be installed tightly , replace both the scr ew and the SAFE-T -TIP ® before further operation. Do not replace with an ordinary scr ew . In addition to pr eventing[...]

28 PROBLEM CAUSE SOLUTION IF THESE SOLUTIONS DO NOT SOL VE THE PROBLEM CONT ACT YOUR AUTHORIZED SERVICE DEALER. Bar and chain running hot and smoking. Motor runs, but chain is not rotating. 1. Check chain tension for over tight condition 2. Chain oil tank empty . 1. Chain tension too tight. 2. Check guide bar and chain assembly . 3. Check guide bar[...]

29 NOTES[...]

30 R YOBI TECHNOLOGIES, INC. 1428 Pearman Dairy Road, Anderson, SC 29625 Post Office Box 1207, Anderson, SC 29622-1207 Phone 1-800-860-4050 www .ryobitools.com 983000-640 2-05 • SER VICE Now that you have purchased your tool, should a need ever exist for repair parts or service, simply contact your near est Ryobi Authorized Service Center . Be su[...]