Ryobi RY10520 Manuel de l'opérateur

Your chain saw has been engineered and manufactured to Ryobi’s high standard for dependability, ease of operation, and operator safety. When properly

Page 10 — EnglishKNOW YOUR CHAIN SAWSee Figures 1a - 1b.The safe use of this product requires an understanding of the information on the product and i

Page 11 — EnglishWARNING:Do not allow familiarity with this product to make you careless. Remember that a careless fraction of a second is sufficient

Page 12 — EnglishWARNING:Always shut off engine before fueling. Never add fuel to a machine with a running or hot engine. Move at least 30 ft. from re

Page 13 — EnglishFILLING THE FUEL TANKSee Figure 2.Clean the surface around the fuel cap to prevent contamination.Loosen the fuel cap slowly.Car

Page 14 — EnglishOPERATING THE CHAIN BRAKESee Figures 4 - 5.Check the operating condition of the chain brake prior to each use.Engage the chain brak

Page 15 — Englishbelow 50°F, pull the starter grip until the engine attempts to start, but no more than 5 times.Push choke lever to RUN position.P

Page 16 — EnglishSTOPPING THE ENGINESee Figures 12 - 13.Release the throttle trigger and let the engine return to idle. To stop the engine, move the i

Page 17 — EnglishWARNING:THE SAW CHAIN SHOULD NEVER TURN AT IDLE. Turn the idle speed screw “T” counter-clockwise to reduce the idle RPM and stop the

Page 18 — EnglishKICKBACK PRECAUTIONSSee Figures 16 - 17.Rotational kickback occurs when the moving chain contactsanobjectattheKickbackDangerZo

Page 19 — EnglishFig. 19Fig. 20PROPER CUTTING STANCESee Figure 19.WARNING:Alway use the proper cutting stance described in this section. Never kneel w

Page 2  Introduction ...

Page 20 — Englishthe saw at full throttle without a cutting load can result in unnecessary wear to the chain, bar, and engine.Do not put pressure on

Page 21 — EnglishWEDGEFig. 24HORIZONTAL CUTVERTICAL CUTLOOSE SECTIONFig. 25Cut a notch about 1/3 the diameter of the trunk in the side of the tree.

Page 22 — Englishwork area. Follow the correct tree felling procedure as stated in Proper Procedure For Tree Felling after you have removed the large

Page 23 — EnglishLOADFINISHING CUT1ST CUT 1/3 DIALOG SUPPORTED AT ONE ENDLOG SUPPORTED AT BOTH ENDS FINISHING CUT1ST CUT 1/3 DIALOADFig. 28OVERBUCKING

Page 24 — EnglishLIMBING AND PRUNINGSee Figures 31 - 32.Work slowly, keeping both hands on the saw with a firm grip. Maintain secure footing and bal

Page 25 — EnglishWARNING:When servicing, use only identical replacement parts. Use of any other parts may create a haz-ard or cause product damage.WAR

Page 26 — EnglishBAR GROOVECHAIN DRIVE LINKSFig. 38CUTTERSCHAIN ROTATIONCHAIN DRIVE LINKSFig. 37Always place the switch in the STOP “ O ” posi-tion

Page 27 — EnglishReplace the clutch cover and bar mounting nuts.Fingertighten the bar mounting nuts. The bar must be free to move for tension adju

Page 28 — EnglishMAINTENANCEFLATS ON DRIVE LINKSADJUSTING THE CHAIN TENSIONSee Figures 44 - 46.WARNING:Never touch or adjust the chain while the engin

Page 29 — EnglishCHAIN MAINTENANCESee Figures 47 - 48.CAUTION:Check that the switch is in the STOP “ O ” posi-tion before you work on the saw.Use only

Page 3 — EnglishWARNING:Read and understand all instructions. Failure to follow all instructions listed below, may result in electric shock, fire and/

Page 30 — EnglishCUTTING CORNERSIDE PLATEDEPTH GAUGETOEGULLETHEELRIVET HOLETOP PLATEFig. 49Fig. 50Fig. 51LEFT HAND CUTTERSRIGHT HAND CUTTERSFig. 52MAI

Page 31 — EnglishTOP PLATE FILING ANGLESee Figure 53.CORRECT30°–fileholdersaremarkedwithguide marks to align file properly to produce correc

Page 32 — EnglishMAINTAINING THE SAFE-T-TIP® NOSE GUARDSee Figures 59 - 60.CAUTION:Make sure the chain has stopped before you do any work on the saw.W

Page 33 — EnglishUse the following instructions to tighten the mount-ing screw of the nose guard. These are specially hardened screws. If you cannot i

Page 34 — EnglishClean the pre-filter every 5 hours of use or sooner, if required. Remove the cylinder cover, starter assembly, and the fan housing

Page 35 — EnglishFig. 69Fig. 70Fig. 67CLEAN CYLINDER FINSCLEAN FLYWHEEL FINSFUEL FILTERMAINTENANCECLEANING THE ENGINESee Figures 67 - 68.Clean the cy

Page 36 — EnglishFig. 72Fig. 71BRAKE BANDCLEAN THE CHAIN BRAKELUBRICATE THE CHAIN BRAKE LINKAGECHAIN CATCHERCLUTCH COVERMAINTENANCESPARK ARRESTORThe s

Page 37 — EnglishEMISSIONS MAINTENANCE SCHEDULEEmissions Parts Inspect Clean Replace Clean Every Replace Before Every Every 25 Hours 25

Page 38 — EnglishProblem Possible Cause SolutionEngine will not start. [Make sure ignition switch is in the RUN ( l ) posi-tion.]No spark. Engine is

Page 39 — EnglishProblem Possible Cause SolutionEngine starts, runs, and accelerates but will not idle.Chain turns at idle.Carburetor requires adjust

Page 4 — EnglishWARNING:The warnings, labels, and instructions found in this section of the operator’s manual are for your safety. Failure to follow a

Page 40 — EnglishWARRANTYLIMITED WARRANTY STATEMENTTechtronic Industries North America, Inc., warrants to the original retail purchaser that this RYOB

Page 41 — EnglishWARRANTYTHE FOLLOWING CALIFORNIA AIR RESOURCES BOARD (CARB) STATEMENT ONLY APPLIES TO MODEL NUMBERS REQUIRED TO MEET THE CARB REQUIRE

Page 5 — EnglishRefer to Adjusting the Carburetor in the Maintenance section of this manual. If the saw chain still moves at idle speed after adjustme

Page 6 — EnglishSome of the following symbols may be used on this product. Please study them and learn their mean-ing. Proper interpretation of these

Page 7 — EnglishSERVICEServicing requires extreme care and knowledge and should be performed only by a qualified service technician. For service we su

Page 8 — EnglishBuckingThe process of cross cutting a felled tree or log into lengths.Chain BrakeA device used to stop the saw chain.Chain Saw Power H

Page 9 — EnglishPRODUCT SPECIFICATIONSBar length: RY10520 ............ 20 in. RY10518 .......