Husqvarna 385XP manual Chain drive sprocket, Needle bearing lubrication

Page 15

GENERAL SAFETY PRECAUTIONS

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.

Needle bearing lubrication

Both versions of sprockets 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.

Replace the saw chain if it exhibits any of the points above.

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.

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.

WARNING! Most chain saw accidents

!happen when the chain touches the operator.

Wear personal protective equipment. See instructions under the heading Personal protective equipment.

Do not tackle any job that you feel you are not adequately trained for. See instructions under the headings Personal protective equipment, How to avoid kickback, Cutting equipment and General working instructions.

Avoid situations where there is a risk of kickback. See instructions under the heading Machine′s safety equipment.

Use the recommended protective equipment and check its condition. See instructions under the heading General working instructions.

Check that all the chain saw safety features are working. See instructions under the headings General working instructions and General safety precautions.

English – 15

Image 15

Contents 385XP 390XP KEY to Symbols Symbols on the machineSymbols in the operator’s manual Contents Dear Customer IntroductionWhat is what on the chain saw? What is WHAT?General Safety Precautions Before using a new chain sawAlways use common sense Machine′s safety equipment Personal protective equipmentChain brake and front hand guard General Safety Precautions Throttle lock Chain catcherRight hand guard Mufﬂer Stop switchCutting equipment Vibration damping systemChain General rulesCutting equipment designed to reduce kickback Bar Sharpening your chain and adjusting depth gauge setting General information on sharpening cutting teeth Sharpening cutting teeth Tensioning the chain General advice on adjusting depth gauge settingAdjustment of depth gauge setting If the depth gauge setting is too largeChecking chain lubrication Lubricating cutting equipmentChain oil Filling with chain oilChain drive sprocket Needle bearing lubricationChecking wear on cutting equipment Working with the chain AssemblyFitting the bar and chain Fitting a spike bumperFuel Fuel HandlingLong-term storage Fuel safetyFuelling Transport and storageWarm engine Starting and StoppingStarting and stopping Cold engineStopping General working instructions Basic safety rulesWorking Techniques Before useAlways use a fast cutting speed, i.e. full throttle Basic cutting technique GeneralTerms Cutting LimbingClearing the trunk and preparing your retreat Tree felling techniqueSafe distance Felling directionFelling Directional cutsFelling cut Cutting trees and branches that are in tension General adviceFreeing a tree that has fallen badly Freeing a trapped treeHow to avoid kickback What is kickback?Cutting the trunk into logs Carburettor with movement limiters MaintenanceCarburettor adjustment GeneralLow speed jet L Fine adjustment of the idle speed TCorrectly adjusted carburettor Carburettor without movement limitersChecking brake band wear Checking the brake trigger When the bar hits the stump the brake should be appliedChecking the front hand guard Checking the inertia brake releaseMufﬂer Changing a broken recoil spring StarterChanging a broken or worn starter cord Tensioning the recoil springFitting the starter Air ﬁlterSpark plug Lubricating the bar tip sprocketCooling system Adjustment of the oil pumpAir Injection centrifugal cleaning Needle bearing lubrication385XPG, 390XPG Temperature 0C or colderHeated handles Electrical carburettor heatingDaily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataSaw chain ﬁling and ﬁle gauges Bar and chain combinationsEC-declaration of conformity Applies to Europe onlyEN ISO 12100-22003, Cispr 121997, ISO ´z+R16¶6a¨ Page 1150172-26 ´z+R16¶6a¨ ´z+R16¶6a¨