Jonsered CS 2147 manual Lubricating the bar tip sprocket, Needle bearing lubrication

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SAFETY INSTRUCTIONS

•Check that the bar tip sprocket turns freely and that the lubricating hole in the tip sprocket is not blocked. Clean and lubricate if necessary.

If the chain lubrication system is still not working after carrying out the above checks and associated measures you should contact your service agent.

Lubricating the bar tip sprocket

Lubricate the bar tip sprocket each time you refuel. Use the special grease gun and a good quality bearing grease.

Needle bearing lubrication

The clutch drum is ﬁtted with one of the following drive sprockets:

ASpur sprocket (the chain sprocket is welded on the drum)

BRim sprocket (replaceable)

Both versions have a needle bearing on the drive shaft, which has to be greased regularly (once a week). CAUTION! Use a high-quality bearing grease or engine oil.

Checking wear on cutting equipment

Check the chain daily for:

•Visible cracks in rivets and links.

•Whether the chain is stiff.

•Whether rivets and links are badly worn.

We recommend you compare the existing chain with a new chain to decide how badly the existing chain is worn.

When the length of the cutting teeth has worn down to only 4 mm the chain must be replaced.

Chain drive sprocket

The clutch drum is ﬁtted with one of the following drive sprockets:

ASpur sprocket (the chain sprocket is welded on the drum)

BRim sprocket (replaceable)

Regularly check the degree of wear on the drive sprocket. Replace if wear is excessive. Replace the drive sprocket whenever you replace the chain.

Bar

Check regularly:

•Whether there are burrs on the edges of the bar. Remove these with a ﬁle if necessary.

•Whether the groove in the bar has become badly worn. Replace the bar if necessary.

•Whether the tip of the bar is uneven or badly worn. If a hollow forms on the underside of the bar tip this is due to running with a slack chain.

•To prolong the life of the bar you should turn it over daily.

14 – English

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Contents Operator′s manual KEY to Symbols Key to symbolsContents Personal protective equipment Safety InstructionsMachine′s safety equipment Chain brake and hand guard Chain catcher Stop switchThrottle lock Right hand guardChecking the hand guard MufﬂerChecking brake band wear Throttle lock Checking the inertia brake releaseChecking the brake trigger Chain catcherGeneral rules Stop switchCutting equipment Vibration damping systemChain Cutting equipment designed to minimise kickbackBar Some terms that describe the bar and chainWith a badly sharpened chain Sharpening your chain and adjusting raker clearanceGeneral information on sharpening cutting teeth Tensioning the chain General advice on setting raker clearanceSetting the raker clearance Sharpening cutting teethFilling with chain oil Lubricating cutting equipmentChain oil Checking chain lubricationChecking wear on cutting equipment Lubricating the bar tip sprocketNeedle bearing lubrication Chain drive sprocketDo not let go of the handles How to avoid kickbackWhat is kickback? General safety precautions Fuel safety StartingTransport and storage Basic safety rulesGeneral working instructions Terms Basic cutting techniqueGeneral CuttingSafe distance Tree felling techniqueLimbing Felling directionDirectional cuts Clearing the trunk and preparing your retreatFelling Felling cutCutting the trunk into logs Freeing a trapped tree General adviceFreeing a tree that has fallen badly Cutting trees and branches that are in tensionWhat is WHAT? What is what on the chain saw?Fitting a spike bumper AssemblyFitting the bar and chain Working with the chainFollowing applies to chain saws with catalytic converters Fuel HandlingFuel Chain oil FuellingCold engine Starting and StoppingStarting and stopping Warm engineStopping Maintenance CarburettorStarter Fine adjustment of the idle speed TCorrectly adjusted carburettor High speed jet HTensioning the recoil spring Air ﬁlterSpark plug Changing a broken recoil springMufﬂer Adjustment of the oil pumpWhen making adjustments Needle bearing lubricationElectrical carburettor heating CS 2147WH, CS 2152WH Centrifugal cleaning TurboHeated handles CS 2147W, CS 2152W Winter useMonthly maintenance Daily maintenanceWeekly maintenance Below you will ﬁnd some general maintenance instructionsTechnical Data Technical dataBar and chain combinations Cispr 121997, EN608 EC-declaration of conformityApplies to Europe only Page 1088890-26