Jonsered CS 2171WH manual Assembly, Fitting the bar and chain, Fitting a spike bumper

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ASSEMBLY

Fitting the bar and chain

WARNING! Always wear gloves, when

!working with the chain.

Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle.

Remove the bar nuts and remove the clutch cover (chain brake). Take off the transportation ring (A).

Fit the bar over the bar bolts. Place the bar in its rearmost position. Place the chain over the drive sprocket locate it in the groove on the bar. Begin on the top edge of the bar.

Make sure that the edges of the cutting links are facing forward on the top edge of the bar.

Fit the clutch cover and locate the chain adjuster pin in the hole in the bar. Check that the drive links of the chain ﬁt correctly over the drive sprocket and that the chain is correctly located in the groove in the bar. Tighten the bar nuts ﬁnger tight.

Tension the chain by turning the chain tensioning screw clockwise using the combination spanner. The chain should be tensioned until it does not sag from the underside of the bar.

The chain is correctly tensioned when it does not sag from the underside of the bar, but can still be turned easily by hand. Hold up the bar tip and tighten the bar nuts with the combination spanner.

When ﬁtting a new chain, the chain tension has to be checked frequently until the chain is run-in. Check the chain tension regularly. A correctly tensioned chain ensures good cutting performance and long life.

Fitting a spike bumper

To ﬁt a spike bumper – contact your service agent.

24 – English

Image 24

Contents Operator´s manual KEY to Symbols Key to symbolsContents 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 releaseStop switch Throttle lockChain catcher Right hand guardCutting equipment General rulesCutting equipment designed to minimise kickback MufﬂerSharpening your chain and adjusting raker clearance ChainSome terms that describe the bar and chain General information on sharpening cutting teethSharpening cutting teeth General advice on setting raker clearance Setting the raker clearanceTensioning the chain If the raker clearance is too largeLubricating cutting equipment How to avoid kickback What is kickback?Checking wear on cutting equipment Chain drive sprocketDo 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 retreatCutting the trunk into logs Felling cutGeneral advice Freeing a tree that has fallen badlyFreeing a trapped tree Cutting trees and branches that are in tensionWhat is WHAT? What is what on the chain saw?Assembly Fitting the bar and chainFitting a spike bumper Working with the chainFuel Handling FuelPetrol Two-stroke oilChain oil FuellingMin 3 m 10ft Starting and Stopping Starting and stoppingCold engine Warm engineStopping Maintenance Carburettor adjustmentCarburettor with movement limiters Fine adjustment of the idle speed T Correctly adjusted carburettorCarburettor without movement limiters Low speed jet LRecommended engine speeds are as follows Idle speed, rpmStarter Air ﬁlterAdjustment of the oil pump When making adjustmentsSpark plug MufﬂerCentrifugal cleaning Turbo Cooling systemHeated handles Electrical carburettor heatingDaily maintenance Weekly maintenance Monthly maintenanceBelow you will ﬁnd some general maintenance instructions Technical Data Technical dataBar and chain combinations Bar ChainLength, inches Pitch, inch Max. number of teeth on EC-declaration of conformity Applies to Europe onlyEN292-2, Cispr 121997, EN608 Page 1088935-26 ´z*xT¶6U¨ ´z*xT¶6U¨