Husqvarna 445, 445e, 450e manual Assembly, Fitting a spike bumper

Page 18

Fitting a spike bumper

ASSEMBLY

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.

Tension the chain by turning the wheel down (+). 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 knob by turning the knob clockwise.

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.

18 – English

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

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Contents Operator′s manual 445 445e 450eKEY TO SYMBOLS Symbols on the machineSymbols in the operator’s manual 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 General rulesCutting equipment designed to reduce kickback 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 WORKING TECHNIQUES Before useGeneral working instructions 24 – English Basic cutting technique 12 3 Tree felling techniqueFelling Felling directionClearing the trunk and preparing your retreat Directional cutsFelling cut How to avoid kickback What is kickback?Freeing a tree that has fallen badly Limbing WARNING! A majority of kickback MAINTENANCE Carburettor adjustmentGeneral Checking the inertia brake release Checking the brake triggerimmediately Mufﬂer Starter Replacing the starter cordTensioning the recoil spring Air ﬁlter Replacing the return and drive springsFitting the starter Needle bearing lubrication Spark plugLubricating the bar tip sprocket Cooling system”Air Injection” centrifugal cleaning Winter useTemperature -5Cor colder 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¨