Husqvarna 445 EPA II, 445e EPA II, 450e EPA II manual Maintenance schedule

Page 35

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 than 0.024

Clean the outside of the machine.

converter, check the cooling system

inch (0.6 mm) remains at the most worn

 

weekly.

 

point.

 

 

 

 

 

Check that the components of the throttle

Check the starter, starter cord and return

Check the clutch centre, clutch drum and

control work safely. (Throttle lockout and

spring.

clutch spring for wear.

throttle control.)

 

 

 

 

 

Clean the chain brake and check that it

 

 

operates safely. Make sure that the chain

Check that the vibration damping

Clean the spark plug. Check that the

catcher is undamaged, and replace it if

elements are not damaged.

electrode gap is 0.020 inch (0.5 mm).

necessary.

 

 

 

 

 

The bar should be turned regularly for

 

 

more even wear. Check the lubrication

 

 

hole in the bar, to be sure it is not clogged.

Lubricate the clutch drum bearing.

Clean the outside of the carburetor.

Clean the bar groove. If the bar has a

 

 

sprocket tip, this should be lubricated.

 

 

 

 

 

Check that the bar and chain are getting

File off any burrs from the edges of the

Check fuel hose for cracks or other

sufficient oil.

bar.

damage. Change if necessary.

 

 

 

Check the saw chain with regard to visible

 

 

cracks in the rivets and links, whether the

Clean or replace the spark arrestor

 

saw chain is stiff or whether the rivets and

Empty the fuel tank and clean the inside.

links are abnormally worn. Replace if

screen on the muffler.

 

 

 

necessary.

 

 

 

 

 

Sharpen the chain and check its tension

 

 

and condition. Check the drive sprocket

Clean the carburetor compartment.

Empty the oil tank and clean the inside.

for excessive wear and replace if

 

 

necessary.

 

 

 

 

 

Clean the starter units air intake.

Clean the air filter. Replace if necessary.

Check all cables and connections.

 

 

 

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.

 

 

 

 

 

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Contents English EPA II 445e EPA 450e EPASymbols in the operator’s manual KEY to SymbolsSymbols on the machine Contents Dear customer IntroductionWhat is what on the chain saw? What is WHAT?Always use common sense General Safety PrecautionsBefore using a new chain saw Chain brake and front hand guard Machine′s safety equipmentPersonal protective equipment General Safety Precautions Vibration damping system Throttle lockoutChain catcher Right hand guardGeneral rules Stop switchCutting equipment MufflerCutting equipment designed to reduce kickback Sharpening your chain and adjusting depth gauge settingSharpening cutting teeth General advice on adjusting depth gauge setting445e, 450e Adjustment of depth gauge settingTensioning the chain 445Checking chain lubrication Lubricating cutting equipmentChain oil Filling with chain oilChecking wear on cutting equipment Chain drive sprocketNeedle bearing lubrication 445e, 450e AssemblyFitting the bar and chain 445Assembly Fuel Fuel HandlingLong-term storage Fuel safetyFueling Transport and storageWarm engine Starting and StoppingStarting and stopping Cold engineStopping General working instructions Basic safety rulesWorking Techniques Before useGeneral rules Limbing Basic cutting techniqueGeneral TermsClearing the trunk and preparing your retreat Tree felling techniqueSafe distance Felling directionDirectional cuts FellingFreeing a tree that has fallen badly How to avoid kickbackWhat is kickback? Cutting the trunk into logs General MaintenanceCarburetor adjustment Checking the brake trigger Checking the inertia brake releaseMuffler Replacing the return and drive springs StarterReplacing the starter cord Tensioning the recoil springNeedle bearing lubrication Air filterSpark plug Lubricating the bar tip sprocketWinter use Air Injection centrifugal cleaningTemperature -5C 23F or colder Cooling systemDaily maintenance Weekly maintenance Monthly maintenance Maintenance scheduleTechnical data Technical DataSaw chain filing and file gauges Bar and chain combinationsYour Warranty Rights and Obligations Federal Emission Control Warranty StatementOther safety precautions American Standard Safety PrecautionsSafety precautions for chain saw users Kickback safety precautions1150341-95 ´z+RB3¶55¨ ´z+RB3¶55¨

445 EPA II, 445e EPA II, 450e EPA II specifications

Husqvarna is a name synonymous with power and durability, especially when it comes to its line of chainsaws like the Husqvarna 445 EPA II, 445e EPA II, and 450e EPA II. These models combine advanced technology and ergonomic design to fulfill the needs of both professional users and homeowners.

The Husqvarna 445 EPA II chainsaw is designed for versatility and ease of use. It boasts a 45.7cc engine, providing a balance of power and weight ideal for various cutting tasks. The chainsaw features Husqvarna’s X-Torq engine technology, which reduces emissions and improves fuel efficiency. This means less downtime for refueling and a smaller ecological footprint, making it environmentally friendly. Additionally, the LowVib system minimizes vibration, which translates to reduced user fatigue over long periods of use.

The 445e EPA II takes similar principles and enhances them with increased efficiency and usability. This model includes the Air Injection system, which helps filter out larger dust and debris particles before reaching the air filter, ensuring consistent performance and a longer lifespan for the machine. Its lightweight design makes it easier to maneuver while the front handle is ergonomically shaped for a secure grip. The easy-start feature allows users to get going quickly with minimal effort.

Moving up the line, the Husqvarna 450e EPA II offers more power, featuring a slightly larger engine and an improved cutting capacity. This model is perfect for heavy-duty tasks, from felling trees to cutting firewood. Like its predecessors, it employs X-Torq engine technology and also includes the Quick Release Air Filter, making maintenance easier and faster. The robust design and advanced security features—such as the inertia-activated chain brake—ensure safe operation even under challenging conditions.

Overall, the Husqvarna 445 EPA II, 445e EPA II, and 450e EPA II chainsaws represent a commitment to safety, efficiency, and user comfort. The integration of modern technological features, coupled with Husqvarna's reputation for quality workmanship, makes these chainsaws ideal choices for anyone looking to tackle a range of outdoor cutting applications with confidence.
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