Makita DCS 7900 manual Safety precautions for chain saw operators, Additional safety precautions

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Safety precautions for chain saw operators

While operating the chain saw please observe the following rules:

a)Contact of the guide bar nose with any object should be avoided.

b)Tip contact may cause the guide bar to move suddenly upward and backward, which may cause serious or fatal injury.

c)Always operate the chain saw with both hands.

WARNlNGf

Readandfollow allsafety precautions inthe owner‘s manual. Failure to follow instructions could result in serious injury. It is recommended to lend the chain saw only to people who are experienced in working with chain saws. Always hand over the Owner’s and Safety Manual.

WARNING!

This chain saw is capable of severe kickback that could resultinserious injuryto the operator. Do not operate this chain saw unless you have extraordinarycutting needs and experience in and special training for dealing with kickback. Chain saws with significantly reduced kickback potential are available.

WARNING!

Kickback may occur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinchesthe saw chain inthe cut. This contact may abruptly stop the saw chain and in some cases may cause a lightning fast reverse reaction, kickingthe guide bar up andbacktowards the user, or push the guide bar back towards the operator. Kickbackmay cause you to lose control of the saw.

As a chain saw user, you can take several steps to reduce the risk of a kickback and potential injury.

A.With a basic understanding of kickback, you canreduceor eliminatethe elementof surprise. It is a sudden surprise that contributes to accidents.

B.Keep a good firm grip on the saw with both hands, your right hand on the rear grip and your left hand on the tubular handle, when the engine is running. Use a firm grip with thumbs and fingers encircling the chain saw handles. A firm grip can neutralize kickback and help you maintain control of the saw. Don’t let go!

C.Make sure that the area in which you are cutting isfree from obstructions. Do not letthe nose of the guide bar contact the log, branch, or any other obstructions which could be hit while you are operating the saw.

D.Do notoverreachor cut aboveshoulder height.

E.Follow manufacturer’s sharpening and main- tenance instructions for the saw chain.

F.Only use replacement bars and chains speci- fied by the manufacturer or the equivalent.

Additional safety precautions

The following additional safety precautions should be observed by all users of chain saws:

1.Do not operate a chain saw when you are fatigued.

2.Use safety footwear; snug-fitting clothing; protective gloves; and eye, hearing, and head protection devices.

3.Use caution when handling fuel. Move the chain saw at least 10 feet (3 m) from the fueling point before starting the engine.

4.Do not allow other persons to be near the chain saw when starting or cutting with the chain saw. Keep bystanders and animals out of the work area.

5.Do not start cutting until you have a clear work area, secure footing, and a planned retreat path from the falling tree.

6.Keep all parts of your body away from the saw chain when the engine is running.

7.Before you start the engine, make sure that the saw chain is not contacting anything.

8.Carry the chain saw with the engine stopped, the guide bar and saw chain to the rear, and the muffler away from your body.

9.Do not operate a chain saw that is damaged, is improperly adjusted, or is not completely and securely assembled. Be sure that the saw chain stops moving when the throttle control trigger is released.

10.Shut off the engine before setting it down.

11.Use extreme caution when cutting small size brushand saplings because sleyder material may catch the saw chain and be whipped toward you or pull you off balance.

12.When cutting a limb that is under tension be alert for springback so that you will not be struck when the tension on the wood fibers is released.

13.Keep the handles dry, clean, and free of oil or fuel mixture.

14.Operate the chain saw only in well-ventilated areas.

15.Do not operate a chain saw in a tree unless you have been specifically trained to do sc.

16.All chain sawservice, otherthan the items listed in the owner’s manual maintenance instructions, should be performed by MAKlTA . (For example, if improper tools are used to remove the flywheel or if an improper tool is used to hold the flywheel in order to remove the clutch structural damage to the flywheel could occur and could subsequently cause the flywheel to burst.)

17.When transporting your chain saw, use the chain protection cover.

18.Low kickback bars and low kickback chains are designed to reduce the risk of kickback injury.Ask your MAKITA dealer about these devices.

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Contents Manuel d’emploi et de securite DCS 6400,6401,7300,7301,7900,7901 Contents Page Additional safety precautions Safety precautions for chain saw operatorsWARNlNGf Ansi B175.1-2000Compliance with Ansi -Standards Physical ConditionUse of the saw Transporting the chain sawChain saw operating instructions Working conditions Cutting instructionsReactiveforces duringthe cut, includingkickback KickbackMost common reactive forces are Kickback Pushback Pull-in Saw chain cutter sharpness To avoid kickbackSpeed of contact at which the cutter contacts ObjectPushback To avoid pushbackTo avoid pull-in FellingThen, determine the placement of the felling notch Felling instructionsNoise of your engine may drown any warning call First CutSectioning Method Plunge-Cut MethodBegin the felling cut slighty higher than the felling Limbing BuckingMaintenance and Repair Attempt any maintenance or repair work not deCross cut By your Makita service shop only Maintaining and storing the sawDenomination of components Identification plate Muffler with spark arrester screenTechnical data Putting Into Operation Mounting the guide bar and saw chainTightening the saw chain Checking the chain tension Releasing the chain brakeFuel Gasoline 50l 40lGuide RefuellingEngine must be switched off Adjusting the chain lubricationChecking the chain lubrication Starting the engine Cold-startingWarm starting Stopping the engineAdjusting the carburetor Working in winter025 65 mm Min Sharpening the saw chainFiles and how to work with them FileCleaning the brake band and sprocket interior Replacing the saw chain Cleaning the guide barReplacing the suction head Cleaning the air filter Checking the ignition spark CAREFUL1Injury hazard! The return spring can pop out Replacing the starter cable Replacing the return springReplacing the return spring Mounting the fan housing Replacinglcleaning the spark arrester screenInstructions for periodic maintenance Service, spare parts and guaranteeGuarantee Spare partsMalfunction System Observation CauseDCS 7300,7301 Extract from the spare parts listDCS 7900,7901 Page DCS 6400,6401,7300,7301 , 7900,7901 Additionnels Mesures de securite supplementaires Condition physique Porter le casque, les lunettes et acoustiques de protection Utilisation de la tronGonneuseTransport de la tronqonneuse Demarrage Ravitaillementen carburantInstructionsde ravitaillement @ @ Instructions de coupe ’huile ou de graisseIA-A Choc de recul KickbackAffQtage des plaquettes de coupe de la Chalne Pour eviter le choc de reculLaforce de choc derecul est proportionnelleaI’impact Les limiteurs de profondeursLe recul Pour eviter le reculPour eviter la traction AbattageInstructions d’abattage Methode de sectionnement Methode de coupe en plongeeEbranchage DebitageEntretien et stockage de la tronqonneuse Entretien et reparationCouDe transversale Designation des pieces Silencieux avec pare-etincellesCaracteristiques techniques Mise EN Route Montage du guide et de la chaine de sciageTendre la chaine de sciage ContrBle de la tension de la chaine Frein de chaineEnclencher le frein de chaine bloquer Liberer le frein a mainMelange carburant CarburantsHuile de chaine de sciage Remplissage des reservoirs Remarque importante pour les huiles de chaine de sciage bioVerifier le graissage de la chaine Reglage du graissage de la chaine0Remarque Effectuer que si le moteur est arrete! StopDemarrer le moteur Verifier le frein de chaineReglage du carburateur Mincll. .ll~.,ral Affirtage de la chaine de sciageLime et guidage de la lime NettoyerIinterieurde labandedefrein dechaine Et de la roue a chaineNettoyer le guide de la chaine Remplacement de la crepine daspirationNouvelle chaine de sciage Nettoyage du filtre d’air Ne pas nettoyer le filtre a air a I’essenceRemplacement de bougie Verification de I’etincelle d’allumagePage Nettoyage de I’espace cylindre Montage du carter du ventilateurChangement I nettoyage du pare-etinceiles Indications de maintenance et d’entretien periodiques AockagePieces de rechange GarantieExtrait de la liste des pieces de rechange DCS 6400,6401 DCS 7300, 7301 DCS 7900Page Makita Canada Inc Dolmar Division Forbes Street Whitby, Ontario Canada, L I N