Husqvarna 1153181-95, 576 XPG manual Correctly adjusted carburetor, Checking brake band wear

Page 31

MAINTENANCE

When test run at the factory, the high speed jet is set so that the engine satisfies the applicable legal requirements at the same time as achieving maximum performance.

The carburetor’s high speed jet is then locked using a limiter cap in the fully screwed out position.The limiter cap limits the potential to adjust the high speed jet to at most half a turn.

CAUTION! There is an integrated speed governor in the ignition system that limits the maximum speed to 13300 rpm. The maximum speed will not exceed 13300 rpm when the high speed jet is adjusted (screwed in). When the speed governor is activated, you will get the same sound experience as when the chain saw 4-cycles.

To adjust the carburetor correctly you should contact a mechanic with access to a rev counter.

CAUTION! As the spark is cut off, the rev counter does not show speeds higher than 13300 rpm.

Correctly adjusted carburetor

When the carburetor is correctly adjusted the machine accelerates without hesitation and the machine 4-cycles a little at max. speed. It is also important that the chain does not rotate at idle. If the L-jet is set too lean it may cause starting difficulties and poor acceleration. If the H- jet is set too lean the machine will have less power, poor acceleration and could suffer damage to the engine.

Checking, maintaining and servicing chain saw safety equipment

Note! All servicing and repair work on the machine requires special training. This is especially true of the machine′s safety equipment. If your machine fails any of the checks described below we recommend you to contact our servicing dealer.

Chain brake and front hand guard

Checking brake band wear

Brush off any wood dust, resin and dirt from the chain brake and clutch drum. Dirt and wear can impair operation of the brake.

Regularly check that the brake band is at least 0.024 inch (0.6 mm) thick at its thinnest point.

Checking the front hand guard

Make sure the front hand guard is not damaged and that there are no visible defects such as cracks.

Move the front hand guard forwards and back to make sure it moves freely and that it is securely anchored to the clutch cover.

Checking the inertia brake release

With the engine turned off, hold the chain saw over a stump or other firm object. Let go of the front handle so that the bar drops towards the stump as the chain saw rotates around the rear handle.

When the bar hits the stump the brake should be applied.

English – 31

Page 30 Page 32
Image 31
Page 30 Page 32
Contents 570 576 XP 576 XPG Symbols on the machine KEY to SymbolsSymbols in the operator’s manual EPA Contents Dear customer IntroductionWhat is what on the chain saw? What is WHAT?Before using a new chain saw General Safety PrecautionsChain brake and front hand guard Machine′s safety equipmentAlways use common sense Personal protective equipmentGeneral Safety Precautions Chain catcher Throttle lockoutRight hand guard Muffler Stop switchCutting equipment Vibration damping systemBar Cutting equipment designed to reduce kickbackChain General information on sharpening cutting teeth Sharpening your chain and adjusting depth gauge settingTensioning the chain Filling with chain oil Lubricating cutting equipmentChecking chain lubrication Needle bearing lubrication Chain drive sprocketChecking wear on cutting equipment Fitting the bar and chain AssemblyWorking with the chain Fuel Fuel HandlingLong-term storage Fuel safetyFueling Transport and storageWarm engine Starting and StoppingStarting and stopping Cold engineStopping General working instructions Basic safety rulesWorking Techniques Before useGeneral rules Terms Basic cutting techniqueSafe distance Tree felling techniqueLimbing Log is supported at one end. There is a high riskClearing the trunk and preparing your retreat Felling directionDirectional cuts Felling cut What is kickback? How to avoid kickbackFreeing a tree that has fallen badly Cutting the trunk into logs Carburetor adjustment MaintenanceGeneral Checking the front hand guard Correctly adjusted carburetorWhen the bar hits the stump the brake should be applied Checking brake band wearImmediately Checking the brake triggerStarter MufflerChanging a broken or worn starter cord Fitting the starter Air filterTensioning the recoil spring Changing a broken recoil springMust always be replaced Spark plugLubricating the bar tip sprocket Needle bearing lubricationCooling system Adjustment of the oil pumpAir Injection centrifugal cleaning When making adjustmentsFitting the winterising kit Temperature 0C 32F or colderTemperature -5C 23F or colder Heated handlesDaily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataSaw chain filing and file gauges Your Warranty Rights and Obligations Federal Emission Control Warranty StatementMAINTENANCE, Replacement Repair of EMISSION-RELATED Parts Other safety precautions American Standard Safety PrecautionsSafety precautions for chain saw users Kickback safety precautionsOriginal instructions 1153181-95
Top Page Image Contents