Husqvarna 445, 445e, 450e manual Assembly, Fitting the bar and chain

Page 17

ASSEMBLY

ASSEMBLY

Fitting the bar and chain

	!	WARNING! Always wear gloves, when
	!	working with the chain.

445

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.

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.

445e, 450e

Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle.

Loosen the chain tensioner wheel and remove the clutch cover (chain brake). Remove the transport guard.

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

English – 17

Image 17

Contents 445 445e 450e Operator′s manualSymbols in the operator’s manual KEY TO SYMBOLSSymbols on the machine Contents CONTENTSDear 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 guard8 – English Throttle lockout Right hand guard Stop switchVibration damping system MufﬂerCutting equipment designed to reduce kickback Cutting equipmentGeneral rules WARNING! Departure from the General information on sharpening cutting teethsharpening instructions considerably increases the risk of kickbackincreased if the depth gauge setting is General advice on adjusting depth gauge settingAdjustment of depth gauge setting Tensioning the chain445e, 450e which could lead to serious, even fatal injuries Lubricating cutting equipmentChain oil Filling with chain oilChain drive sprocket Fitting the bar and chain ASSEMBLYFitting a spike bumper Fuel FUEL HANDLINGFuelling Fuel safetyTransport and storage Long-termstorageStarting and stopping STARTING AND STOPPINGStopping General working instructions WORKING TECHNIQUESBefore use 24 – English Basic cutting technique Tree felling technique 12 3Clearing the trunk and preparing your retreat Felling directionFelling 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 Lubricating the bar tip sprocket Spark plugNeedle bearing lubrication Cooling systemTemperature -5Cor colder ”Air Injection” centrifugal cleaningWinter use Daily maintenance Maintenance scheduleWeekly maintenance Monthly maintenanceTechnical data TECHNICAL DATASaw chain ﬁling and ﬁle gauges Bar and chain combinationsLength, inch Pitch, inchApplies to Europe only EC-declarationof conformity´z+S,¶6c¨ ´z+S,¶6c¨ Page 1151081-26 ´z+S,¶6c¨ ´z+S,¶6c¨