Husqvarna 1153136-26 Assembly, Fitting the bar and chain, 445e, 450e, Fitting a spike bumper

Page 17

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.

(39)

Unscrew the bar nut and remove the clutch cover (chain brake). Take off the transportation ring (A). (40)

Fit the bar over the bar bolt. Place the bar in its rearmost position. Place the chain over the drive sprocket and in the groove on the bar. Begin on the top side of the bar.

(41)

Make sure that the edges of the cutting links are facing forward on the top edge of the bar.

Mount the clutch cover and remember to fit 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 nut with your fingers.

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. (42)

The chain is correctly tensioned when there is no slack on the underside of the bar, and it can still be turned easily by hand.Tighten the bar nut with the combination spanner while holding up the tip of the bar. (43)

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. (44)

445e, 450e

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

(45)

Loosen the chain tensioner wheel and remove the clutch cover (chain brake). Remove the transport guard. (A) (46)

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.

(41)

Make sure that the edges of the cutting links are facing forward on the top edge of the bar.

Mount the clutch cover and remember to fit 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. (32)

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. (33)

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. (44)

Fitting a spike bumper

To fit a spike bumper – contact your service agent. (47)

1153136-26 Rev.1 2009-12-29

English 17

Image 17
Contents 445 445e 450e English 1153136-26 Rev.1 3839 4243 1153136-26 Rev.1 English 102 Symbols on the machine KEY to SymbolsSymbols in the operator’s manual Decompression valve The valveContents Dear Customer What is what on the chain saw?Introduction Before using a new chain saw General Safety PrecautionsAlways use common sense Machine′s safety equipmentPersonal protective equipment Chain brake and front hand guardThrottle lockout Stop switchChain catcher Vibration damping systemCutting equipment Sharpening your chain and adjusting depth gauge settingGeneral rules Cutting equipment designed to reduce kickbackTensioning the chain Lubricating cutting equipment Bar Fitting the bar and chain Assembly445 445e, 450eFuel Fuel HandlingFuelling Fuel safetyTransport and storage Long-term storageStarting and stopping Starting and StoppingStarting Cold engineStopping Working Techniques Basic safety rulesBefore use General working instructionsLimbing Basic cutting techniqueTerms Tree felling technique Freeing a tree that has fallen badly How to avoid kickbackWhat is kickback? General MaintenanceCarburettor adjustment Starter MufflerRight hand guard Replacing the starter cordSpark plug Air filterLubricating the bar tip sprocket Needle bearing lubricationTemperature -5C or colder Air Injection centrifugal cleaningCooling system Winter useDaily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataSaw chain filing and file gauges Bar and chain combinationsEN ISO 12100-22003, Cispr 122005, EN ISO EC-declaration of conformity Applies to Europe onlyEnglish 1153136-26 Rev.1 1153136-26 Rev.1 English Original instructions 1153136-26