Husqvarna 445, 445e, 450e manual Maintenance schedule, Daily maintenance, Weekly maintenance

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Maintenance schedule

MAINTENANCE

Maintenance schedule

The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section.

Daily maintenance

Weekly maintenance

Monthly maintenance

 

 

 

 

On chain saws without a catalytic

Check the brake band on the chain

 

brake for wear. Replace when less

Clean the outside of the machine.

converter, check the cooling system

than 0.6 mm (0,024 inch) remains at

 

weekly.

 

the most worn point.

 

 

 

 

 

Check that the components of the

Check the starter, starter cord and

Check the clutch centre, clutch drum

throttle control work safely. (Throttle

return spring.

and clutch spring for wear.

lockout and throttle control.)

 

 

 

 

 

Clean the chain brake and check that

 

 

it operates safely. Make sure that the

Check that the vibration damping

Clean the spark plug. Check that the

chain catcher is undamaged, and

elements are not damaged.

electrode gap is 0.5 mm.

replace it if necessary.

 

 

 

 

 

The bar should be turned regularly for

 

 

more even wear. Check the lubrication

 

 

hole in the bar, to be sure it is not

Lubricate the clutch drum bearing.

Clean the outside of the carburettor.

clogged. Clean the bar groove. If the

 

 

bar has a sprocket tip, this should be

 

 

lubricated.

 

 

 

 

 

Check that the bar and chain are

File off any burrs from the edges of the

Check the fuel filter and the fuel hose.

getting sufficient oil.

bar.

Replace if necessary.

 

 

 

Check the saw chain with regard to

 

 

visible cracks in the rivets and links,

 

 

whether the saw chain is stiff or

Clean or replace the spark arrestor

Empty the fuel tank and clean the

whether the rivets and links are

mesh on the muffler.

inside.

abnormally worn. Replace if

 

 

necessary.

 

 

 

 

 

Sharpen the chain and check its

 

 

tension and condition. Check the drive

Clean the carburettor compartment.

Empty the oil tank and clean the

sprocket for excessive wear and

inside.

 

replace if necessary.

 

 

 

 

 

Clean the starter units air intake.

Clean the air filter. Replace if

Check all cables and connections.

necessary.

 

 

 

 

 

Check that nuts and screws are tight.

 

 

 

 

 

Check that the stop switch works

 

 

correctly.

 

 

 

 

 

Check that there are no fuel leaks from

 

 

the engine, tank or fuel lines.

 

 

 

 

 

On chain saws with a catalytic

 

 

converter, check the cooling system

 

 

daily.

 

 

 

 

 

38 – English

115 10 81-26 Rev.2 2008-01-11

Image 38
Contents Operator′s manual 445 445e 450eSymbols in the operator’s manual KEY TO SYMBOLSSymbols on the machine CONTENTS ContentsINTRODUCTION Dear CustomerWHAT IS WHAT? What is what on the chain saw?GENERAL SAFETY PRECAUTIONS Before using a new chain sawPersonal protective equipment Machine′s safety equipmentAlways use common sense Chain brake and front hand guard8 – English Throttle lockout Vibration damping system Stop switchRight hand guard MufflerCutting equipment designed to reduce kickback Cutting equipmentGeneral rules sharpening instructions considerably General information on sharpening cutting teethWARNING! Departure from the increases the risk of kickbackAdjustment of depth gauge setting General advice on adjusting depth gauge settingincreased if the depth gauge setting is Tensioning the chain445e, 450e Chain oil Lubricating cutting equipmentwhich could lead to serious, even fatal injuries Filling with chain oilChain drive sprocket ASSEMBLY Fitting the bar and chainFitting a spike bumper FUEL HANDLING FuelTransport and storage Fuel safetyFuelling Long-termstorageSTARTING AND STOPPING Starting and stoppingStopping General working instructions WORKING TECHNIQUESBefore use 24 – English Basic cutting technique 12 3 Tree felling techniqueFelling Felling directionClearing the trunk and preparing your retreat Directional cutsFelling cut Freeing a tree that has fallen badly How to avoid kickbackWhat is kickback? Limbing WARNING! A majority of kickback General MAINTENANCECarburettor adjustment immediately Checking the inertia brake releaseChecking the brake trigger Muffler Tensioning the recoil spring StarterReplacing the starter cord Fitting the starter Air filterReplacing the return and drive springs Needle bearing lubrication Spark plugLubricating the bar tip sprocket Cooling systemTemperature -5Cor colder ”Air Injection” centrifugal cleaningWinter use Weekly maintenance Maintenance scheduleDaily maintenance Monthly maintenanceTECHNICAL DATA Technical dataLength, inch Bar and chain combinationsSaw chain filing and file gauges Pitch, inchEC-declarationof conformity Applies to Europe only´z+S,¶6c¨ ´z+S,¶6c¨ Page 1151081-26 ´z+S,¶6c¨ ´z+S,¶6c¨