Ryobi PCN3840-RY74005D, PCN4545-RY74007D manuale d’uso

OPERA T OR’S MANU AL PCN3840 - R Y74005D - 406 mm (16 in.) 38cc Chainsaw PCN4545 - R Y74007D - 457 mm (18 in.) 45cc Chainsaw Y our new chainsa w has been engineered and manuf actured to Ryobi’ s high standard f or dependability , ease of operation, and operator saf ety . Properly cared for , it will give y ou years of rugged, trouble-free perf [...]

2 UK ■ ■ ■ ■ ■ Introduction .......................................................................................................................................................................................... 2 ■ ■ ■ ■ ■ General Safety Rules ..................................................................................[...]

3 UK W ARNING: The warnings, labels, and instructions found in this section of the operator’s manual are for your safety. Failure to follow all instructions may result in serious personal injury. Safe operation of this tool requires that you read and understand this operator’s manual and all labels affixed to the tool. Safety is a combination o[...]

4 UK ■ KEEP ALL P ARTS OF Y OUR BOD Y a wa y from the saw chain when the engine is running. ■ ■ ■ ■ ■ AL W A YS CARR Y THE CHAINSA W WITH THE ENGINE ST OPPED AND THE BRAKE ENGA GED, the guide bar and saw chain to the rear , and the silencer awa y from your body . When transpor ting the chainsaw , use the appropriate guide bar scabbard. [...]

5 UK PROPER CLOTHING FOR SAFETY ■ ■ ■ ■ ■ Wear close-fitting clothing. Always wear heavy, long trousers, boots, and gloves. Do not wear jewellery, shorts, sandals, or go barefoot. Do not wear loose-fitting clothing, which could be drawn into the engine or catch the chain or undergrowth. Wear overalls, jeans, or leggings made of cut-resist[...]

6 UK 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 more safely. SYMBOL NAME EXPLANATION Indicates danger, warning or caution. It means attention!!! Your safety is involved. Your manual contains special[...]

7 UK Petrol Use unleaded petrol intended for motor vehicle use with an octane rating of 87 ([R + M] / 2) or higher. Oil Use 2-cycle oil for air cooled engines. Mix Petrol and Oil Mix the fuel mix thoroughly and also each time before refuelling. SA VE THESE INSTR UCTIONS SYMBOLS SPECIFICA TIONS Weight - No bar, chain, fuel or oil ...................[...]

8 UK F or your saf ety , study this entire manual bef ore operating the saw . P a y par ticular attention to the precautions and instructions listed in the operator’ s manual. W ARNING: The warnings and instructions in this section of the operator’s manual are for your safety and to prevent serious personal injury. UNDERSTANDING YOUR CHAINSAW S[...]

9 UK KICK-BACK PRECAUTIONS See Figures 4 and 5. Rotational kick-back ( A ) occurs when the moving chain contacts an object at the Kick-bac k Danger Zone ( B ) of the guide bar . The result is a lightning-fast, reverse reaction which kicks the guide bar up and back to wards the operator . This reaction ma y cause loss of control which can result in [...]

10 UK NOTE: Do not use dirty, used or otherwise contaminated oils. Damage may occur to the oil pump, bar, or chain. 1. Carefully pour the bar and chain oil into the tank. 2. Fill the oil tank every time you fuel the engine. STARTING THE ENGINE See Figure 8. W ARNING: Keep your body to the left of the chain line. Never straddle the saw or chain, or [...]

11 UK ■ ■ ■ ■ ■ Maintain a proper grip on the saw whenever the engine is running. The fingers should encircle the handle and the thumb be wrapped under the handlebar . This gr ip is least likely to be broken (by a kick-back or other sudden reaction of the saw). Any grip in which the thumb and fingers are on the same side of the handle is [...]

12 UK ADJUSTING IDLING SPEED See Figure 24. ■ ■ ■ ■ ■ If the engine starts, runs, and accelerates but will not idle, turn the idling speed screw “ T ” clockwise to increase idling speed. ■ ■ ■ ■ ■ If the chain turns at idle, turn the idling speed screw “ T ” anticlockwise to reduce the idle RPM and stop the chain movemen[...]

On large diameter trees, stop the back cut before it is deep enough for the tree to either fall or settle back on the stump. Then insert soft wooden or plastic wedges ( F ) into the cut so they do not touch the chain. Drive wedges in, little by little, to help jack the tree over. When bucking or felling with a wedge, it may be necessary to remove t[...]

14 UK CUTTING SPRING POLES See Figure 37. A spring pole ( A ) is any log, branch, rooted stump, or sapling which is bent under tension by other wood so that it springs back if the wood holding it is cut or removed. On a fallen tree, a rooted stump has a high potential of springing back to the upright position during the bucking cut to separate the [...]

15 UK CHAIN MAINTENANCE See Figures 51 and 52. CA UTION: Check that the switch is in the STOP “ ” position before you w ork on the saw . Use only a low-kic k-back chain on this sa w . This fast-cutting chain provides kick-back reduction when properly maintained. F or smooth and fast cutting, maintain the chain properly . The chain requires shar[...]

16 UK MAINTAINING DEPTH GAUGE CLEARANCE See Figures 51, 59, and 60. ■ Maintain the depth gauge ( A ) at a clearance of 0.6 mm (0.025”). Use a depth gauge tool for checking the depth gauge clearances. ■ Every time the chain is filed, check the depth gauge clearance. ■ Use a flat file ( B ) (not provided) and a depth gauge jointer ( C ) (not [...]

17 UK Choose one of the following cleaning options: 9. T o lightly clean, tap the filter against a smooth, flat surf ace to dislodge most saw dust and dirt particles. 10. For a more thorough cleaning, clean in w ar m soap y water , rinse, and let dr y completely . NOTE: An alternative method is to clean the filter with compressed air (always wear e[...]

18 UK RECOMMENDED BAR AND CHAIN COMBINATIONS FOR .325 LOW PROFILE .050 GAUGE Length of Bar Guide Bar Part Number Chain Part Number 406 mm (16 in.) 984316001 PS06136 457 mm (18 in.) 984319001 PS06135 PROBLEM POSSIBLE CA USE SOLUTION Engine will not start. (Make sure ignition switch is in start position “I”.) Engine starts but will not accelerate[...]

19 UK PROBLEM POSSIBLE CA USE SOLUTION Engine starts, runs, and accelerates but will not idle. Engine starts and runs, but chain is not rotating. Bar and chain running hot and smoking. Carburettor requires adjustment. 1. Chain oil tank empty. 2. Check chain tension for overtight condition. 3. Check for oiler function. 1. Chain brake engaged. 2. Cha[...]

20 UK SAFETY DIRECTIVE EC DECLARATION OF CONFORMITY According to machiner y directiv e 98/37/EC and EMC directive 89/336/EEC - We , Ryobi T echnologies Inc., 1428 P ear man Dair y Road, Anderson, SC 29625 Declare in sole responsibility that the product: PCN3840 (R Y74005D) and PCN45 45 (R Y74007D) - to which this cer tificate applies, conforms to t[...]