Husqvarna Maintenance Schedule and Repair Manual for Your Chainsaw

Page 36

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 0.6 mm

Clean the outside of the machine.

converter, check the cooling system

(0,024 inch) 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 lock 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 0.5 mm.

necessary.

 

 

 

 

 

The bar should be turned daily for more

 

 

even wear. Check the lubrication hole in

 

 

the bar, to be sure it is not clogged. Clean

Lubricate the clutch drum bearing.

Clean the outside of the carburettor.

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 the fuel filter and the fuel hose.

sufficient oil.

bar.

Replace if necessary.

 

 

 

Check the saw chain with regard to visible

 

 

cracks in the rivets and links, whether the

Clean or replace the spark arrestor mesh

 

saw chain is stiff or whether the rivets and

Empty the fuel tank and clean the inside.

links are abnormally worn. Replace if

on the muffler.

 

 

 

necessary.

 

 

 

 

 

Sharpen the chain and check its tension

 

 

and condition. Check the drive sprocket

Clean the carburettor 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.

 

 

 

 

 

36 – English

Image 36
Contents Rancher KEY to Symbols Symbols on the machineSymbols in the operator’s manual Contents Introduction Dear CustomerWhat is WHAT? 20 19 What is what on the chain saw?General Safety Precautions Before using a new chain sawAlways use common sense Machine′s safety equipment Personal protective equipmentChain brake and front hand guard General Safety Precautions Throttle lock Chain catcherRight hand guard Vibration damping systemStop switch Cutting equipmentMuffler General rulesCutting equipment designed to reduce kickback BarChain Some terms that describe the bar and chainSharpening your chain and adjusting depth gauge setting General advice on adjusting depth gauge settingGeneral information on sharpening cutting teeth Sharpening cutting teethAdjustment of depth gauge setting Tensioning the chainLubricating cutting equipment Chain oilChecking chain lubrication Chain drive sprocketNeedle bearing lubrication Checking wear on cutting equipmentBar Assembly Fitting the bar and chainFitting a spike bumper Working with the chainFuel Handling FuelFuel safety FuellingTransport and storage Long-term storageStarting and Stopping Starting and stoppingCold engine Warm engineStopping Basic safety rules Working TechniquesBefore use General working instructionsAlways use a fast cutting speed, i.e. full throttle Basic cutting technique GeneralTerms Limbing CuttingLog is supported at one end. There is a high risk that it Tree felling technique Safe distanceFelling direction Clearing the trunk and preparing your retreatFelling Directional cutsFelling cut General advice Freeing a tree that has fallen badlyFreeing a trapped tree Cutting trees and branches that are in tensionHow to avoid kickback What is kickback?Cutting the trunk into logs Maintenance Carburettor adjustmentGeneral Correctly adjusted carburettor High speed jet HThrottle lock Muffler StarterChanging a broken or worn starter cord Air filter Spark plugTensioning the recoil spring Changing a broken recoil springAdjustment of the oil pump When making adjustmentsLubricating the bar tip sprocket Needle bearing lubricationAir Injection centrifugal cleaning Temperature 0C or colderTemperature -5C or colder Winter useMaintenance schedule Daily maintenance Weekly maintenance Monthly maintenanceTechnical Data Technical data´z+H8h¶6S¨ 38 English´z+H8h¶6S¨ Bar and chain combinationsEC-declaration of conformity Applies to Europe onlyEN ISO 12100-22003, Cispr 122001, EN ISO 1140247-26 ´z+H8h¶6S¨ ´z+H8h¶6S¨
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455 RANCHER specifications

The Husqvarna 455 Rancher is a powerful chainsaw designed for both professional users and avid homeowners. Renowned for its robust construction and unparalleled performance, this chainsaw is an excellent choice for those who demand reliability and accuracy in their outdoor tasks.

At the heart of the 455 Rancher is its 55.5 cc X-Torq engine, which offers a perfect blend of power and fuel efficiency. This advanced engine technology reduces fuel consumption by up to 20% while simultaneously minimizing exhaust emissions, making it an environmentally conscious choice. The system also provides higher torque over a wider RPM range, ensuring that users have the power they need when cutting through larger logs or tough wood.

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The chainsaw boasts an adjustable oil pump that allows users to control the amount of oil delivered to the chain, ensuring optimal lubrication and extending the life of the chain and bar. Combined with an easy-to-access fuel and oil tank, the Husqvarna 455 Rancher is engineered for user convenience.

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