Jonsered CS 2156 Sharpening your chain and adjusting raker clearance, Sharpening cutting teeth

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SAFETY INSTRUCTIONS

•Level of kickback reduction. The level of kickback reduction offered by a chain is only indicated by its model number. See the Technical data section to ﬁnd the model numbers of chains that are recommended for use with your model of chain saw.

Sharpening your chain and adjusting raker clearance

WARNING! The risk of kickback is increased

!with a badly sharpened chain!

General information on sharpening cutting teeth

•Never use a blunt chain. When the chain is blunt you have to exert more pressure to force the bar through the wood and the cuttings will be very small. If the chain is very blunt it will not produce any cuttings at all. Wood powder would be the only result.

•A sharp chain eats its way through the wood and produces long, thick cuttings.

•The cutting part of the chain is called the cutting link and this consists of a cutting tooth (A) and the raker lip (B).The cutting depth is determined by the difference in height between the two.

When you sharpen a cutting tooth there are ﬁve important factors to remember.

1 Filing angle

2Cutting angle

3File position

4Round ﬁle diameter

5File depth

It is very difﬁcult to sharpen a chain correctly without the right equipment. We recommend that you use our ﬁle gauge. This will help you obtain the maximum kickback reduction and cutting performance from your chain.

See the Technical data section for information about sharpening your chain.

WARNING! The following faults will increase

!the risk of kickback considerably: File angle too large

Cutting angle too small

File diameter too small

Sharpening cutting teeth

To sharpen cutting teeth you will need a round ﬁle and a ﬁle gauge. See the Technical data section for information on the size of ﬁle and gauge that are recommended for the chain ﬁtted to your chain saw.

•Check that the chain is correctly tensioned. A slack chain will move sideways, making it more difﬁcult to sharpen correctly.

12 – English

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Contents EPA KEY to Symbols Key to symbolsContents EPA Safety Instructions Machine′s safety equipmentPersonal protective equipment Chain brake and front hand guard Stop switch Throttle lockChain catcher Right hand guardMufﬂer Checking brake band wearChecking the front hand guard Checking the inertia brake release Checking the brake triggerThrottle lock Chain catcherStop switch Cutting equipmentGeneral rules Vibration damping systemCutting equipment designed to minimise kickback BarChain Some terms that describe the bar and chainSharpening your chain and adjusting raker clearance General information on sharpening cutting teethSharpening cutting teeth With a badly sharpened chainGeneral advice on setting raker clearance Setting the raker clearanceTensioning the chain If the raker clearance is too largeLubricating cutting equipment Chain oilFilling with chain oil Checking chain lubricationNeedle bearing lubrication Checking wear on cutting equipmentChain drive sprocket How to avoid kickback What is kickback?Do not let go of the handles General safety precautions StartingFuel safety Basic safety rulesGeneral working instructions Transport and storageBasic cutting technique GeneralTerms Cutting LimbingTree felling technique Safe distanceFelling direction Clearing the trunk and preparing your retreatFelling cut General advice Freeing a tree that has fallen badlyCutting the trunk into logs Freeing a trapped treeWhat is WHAT? What is what on the chain saw?Assembly Fitting the bar and chainFuel Handling FuelFollowing applies to chain saws with catalytic converters Chain oil FuellingStarting and Stopping Starting and stoppingCold engine Warm engineStopping Maintenance CarburettorCorrectly adjusted carburettor StarterChanging a broken or worn starter cord Tensioning the recoil springAir ﬁlter Spark plugMufﬂer Fitting the starterAdjustment of the oil pump Centrifugal cleaning TurboWhen making adjustments Needle bearing lubricationTemperature 0 C 32 F or colder Temperature -5C 23 F or colderHeated handles CS 2156W, CS 2159W Electrical carburettor heating CS 2156WH, CS 2159WHDaily maintenance Weekly maintenance Monthly maintenanceBelow you will ﬁnd some general maintenance instructions Technical Data Technical dataBar Length Pitch, inch Max nose Chain Inches Radius 050/1,3 mm 20BP063/1,6 mm 22BP Federal Emission Control Warranty Statement Your Warranty Rights and Obligations1088891-95