Husqvarna How to Tighten the Chain on a Chainsaw: A Comprehensive Guide
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ASSEMBLY

Mounting guide bar and chain

!Always wear gloves, when working with the chain, in order to protect your hands from injury.

Hold up the tip of the bar and tighten the chain. The chain is correctly tensioned when

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

Take off the bar nuts and remove the clutch cover. Take off the transportation ring (A).

A

there is no slack on the underside of the bar, but it can still be turned easily by hand. Hold up the bar tip and tighten the bar nuts with the combination wrench.

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 gives good cutting performance and long lifetime.

Fitting a spike bumper

To fit a spike bumper – contact your service agent.

Fit the bar over the bar bolts. 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. Make sure that the edges on the cutting links are facing forward on the top side of the bar.

Fit the clutch cover and locate the chain adjuster pin in the hole on the bar. Check that the drive links of the chain fit correctly on the drive sprocket and that the chain is in the groove on the bar. Tighten the bar nuts finger tight.

Tension the chain by using the combination wrench. Turn the chain adjuster screw clockwise. The chain should be tensioned until it fits snugly on the underside of the bar.

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Contents 101 88 254XP/257/262XPSymbols on the chain saw KEY to SymbolsSymbols in the operator’s manual Contents Chain SAW Safety Equipment Safety InstructionsPersonal Protective Equipment Chain brake and front hand guard Chain catcher Throttle lockRight hand guard Vibration damping system Stop switchMuffler Checking the front hand guard Checking brake band wearChecking the automatic brake Checking the brake triggerThrottle lock 5 basic rules Cutting EquipmentBar Cutting equipment designed to minimise kickbackSaw chain Some terms that describe the bar and chainGeneral information on sharpening cutting teeth Sharpening your chain and adjusting raker clearanceSharpening cutting teeth Setting the raker clearance General advice on setting raker clearanceTensioning the chain Chain oil Lubricating cutting equipmentFilling with chain oil Never use waste oilLubricating the clutch drum bearing Checking chain lubricationChecking wear on cutting equipment Lubricating the bar tip sprocketWhat is kickback? HOW to Avoid KickbackDo not let go of the handles General rulesNever use the saw one- handed Min m General Safety Precautions10 ft General Working Instructions Basic safety rulesGeneral Basic cutting techniqueTerms CuttingSafe distance Tree felling techniqueLimbing Felling directionFelling Clearing the trunk and preparing your retreatFreeing a tree that has fallen badly = high accident risk General adviceCutting the trunk into logs Freeing a Trapped treeWhat is WHAT? Mounting guide bar and chain AssemblyFitting a spike bumper Fuelmix Fuel HandlingMin 3 m Fuelling10ft Start Start and StopCold engine Warm engineCarburettor MaintenanceStarter device Starter device assemblyChanging a broken or worn starter cord Tensioning the recoil springNeedle bearing maintenance Adjustment of the oil pumpAir filter Spark plugCooling system Centrifugal cleaning Air InjectionWinter use Heated handlesMonthly maintenance Weekly maintenance Daily maintenance254XP 257 Technical DataBar and chain combinations Fuel and lubrication 262XP

254XP, 257, 262XP, 354XP, 257, 262XP specifications

Husqvarna is a well-respected name in the world of outdoor power equipment, especially when it comes to chainsaws. Among its lineup, the models 254XP, 257, 262XP, and 354XP stand out for their robust performance and innovative technologies, catering to both professional and amateur users.

The Husqvarna 254XP is known for its high power-to-weight ratio, making it a favorite among professionals who require portability without sacrificing performance. It features a 2.3 kW engine, providing ample power for a variety of cutting tasks. The chainsaw is equipped with a robust air injection system that removes larger debris before it reaches the air filter, helping to maintain engine performance and extend service intervals.

Similar to the 254XP, the Husqvarna 257 offers strong performance, but with enhancements tailored for even greater efficiency. It boasts an efficient combustion system, ensuring lower fuel consumption and reduced emissions, making it environmentally friendly. Another standout feature is the LowVib technology, which minimizes vibrations, making it easier for operators to work for extended periods without fatigue.

The Husqvarna 262XP takes a step further in terms of power and efficiency, featuring a 3.2 kW engine. This model is designed for heavy-duty tasks and is appreciated in the logging industry. Its advanced ignition system ensures quick starts and stable operation, even in challenging conditions. The X-Torq engine technology reduces fuel consumption and emissions, making it a green choice for professionals.

The 354XP is engineered for those who require a balance of power and weight. With a cutting capacity that satisfies both casual users and professionals, it delivers 2.9 kW of power. The chainsaw’s design incorporates features like the automatic chain lubrication system, ensuring optimal oil flow to the bar and chain, which prolongs their lifespan.

In terms of ergonomics, all these models come with comfort-grip handles and adjustable oil pumps, allowing for ease of use and control during operation. Their starting mechanisms are user-friendly, often featuring a decompression valve for easier pull starts.

These Husqvarna models exemplify the brand's commitment to merging power, efficiency, and user comfort. Whether tackling small projects or heavy-duty logging, the 254XP, 257, 262XP, and 354XP offer dependable solutions that meet the demands of today’s users.
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