Husqvarna 545 Assembly, Fitting the bar and chain, Fitting a spike bumper, Working with the chain

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ASSEMBLY

Fitting the bar and chain

	!	WARNING! Always wear gloves, when
	!	working with the chain.
		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. See instructions under the heading Tensioning the chain.

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.

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Contents Operator′s manual Decompression valve KEY to SymbolsSymbols on the machine Symbols in the operator’s manual Contents Dear Customer IntroductionWhat is what on the chain saw? What is WHAT?Before using a new chain saw General Safety PrecautionsAlways use common sense Machine′s safety equipmentPersonal protective equipment Chain brake and front hand guardGeneral Safety Precautions Chain catcher Throttle lockoutRight hand guard Vibration damping systemCutting equipment Stop switchMufﬂer General rulesCutting equipment designed to reduce kickback Sharpening your chain and adjusting depth gauge setting Tensioning the chain Adjustment of depth gauge settingLubricating cutting equipment Cause serious or even fatal injuryChecking chain lubrication Filling with chain oilChain drive sprocket Needle bearing lubricationChecking wear on cutting equipment Fitting the bar and chain AssemblyFitting a spike bumper Working with the chainFuel Fuel HandlingFueling Fuel safetyTransport and storage Long-term storageStarting and stopping Starting and StoppingStarting Cold engineStopping Working Techniques Basic safety rulesBefore use General working instructionsWorking Techniques Limbing Basic cutting techniqueTerms Felling direction Tree felling techniqueSafe distance Felling cut Clearing the trunk and preparing your retreatFelling Training we advise you not to fell trees Your sawFreeing a tree that has fallen badly General adviceFreeing a trapped tree Cutting trees and branches that are in tensionCutting the trunk into logs How to avoid kickbackWhat is kickback? General MaintenanceCarburettor adjustment Immediately Checking the inertia brake releaseChecking the brake trigger Mufﬂer Tensioning the recoil spring StarterChanging a broken or worn starter cord Spark plug Air ﬁlterChanging a broken recoil spring Fitting the starterRunning when making adjustments Adjustment of the oil pumpLubricating the bar tip sprocket Needle bearing lubricationTemperature 0C or colder Air Injection centrifugal cleaningWinter use Heated handlesDaily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical Data550XP TrioBrake 550XPG Saw chain ﬁling and ﬁle gauges Guide bar and chain combinationsEN ISO 12100-2/A12009, Cispr 122007, EN ISO EC-declaration of conformityApplies to Europe only Page Page