Husqvarna 49 manual Weekly maintenance Monthly maintenance

Page 33

MAINTENANCE

Weekly maintenance

Monthly maintenance

1.Check that the AV elements are not soft or torn.

2.Lubricate the clutch drum bearing.

3.File off burrs, if any, on the sides of the bar.

4.Clean the spark plug and check the gap.

The correct gap is 0,5 mm (0,020 inch).

5.Check the starter and the recoil spring. Clean the fins on the flywheel.

6.Clean the cooling fins on the cylinder.

7.Clean or change the screen in the muffler.

8.Clean the carburetor body and air box.

1

 

2

 

3

 

4

0,5 mm

 

5

 

6

 

7

 

8

 

1.Check the brake band on the chain brake for wear.

2.Check the clutch centre, clutch drum and clutch spring for wear.

3.Clean the outside of the carburetor.

4.Change the fuel filter.

5.Flush the inside off the fuel tank with gasoline.

6.Flush the inside of the oil tank with gasoline.

7.Check all cables and connections.

8.Change the spark plug.

9.Change the air filter.

1

2

3

4

5

6

7

8 0,5 mm

9

English – 33

Image 33
Contents 101 90 45/49Symbols KEY to SymbolsContents Safety Instructions Chain SAW Safety EquipmentPersonal Protective Equipment Chain brake and front hand guard Throttle lock Chain catcherRight hand guard Stop switch Vibration damping systemMuffler 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 chainSharpening your chain and adjusting raker clearance General information on sharpening cutting teethSharpening cutting teeth General advice on setting raker clearance Setting the raker clearanceTensioning the chain Lubricating cutting equipment Chain oilFilling with chain oil Lubricating 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 rulesGeneral Safety Precautions Min m10 ft General Working Instructions Basic safety rulesGeneral Basic cutting techniqueTerms CuttingSafe distance Tree felling techniqueLimbing Felling directionFelling Clearing the trunk and preparing your retreatCutting the trunk into logs Freeing a tree that has fallen badly = high accident riskFreeing a Trapped tree Cutting trees and branches that are in tension PreparationsWhat is WHAT? Mounting guide bar and chain AssemblyFuelmix Fuel HandlingFuelling Min 3 m10ft Cold engine Start and StopWarm engine StartCarburetor MaintenanceStarter device Starter device assemblyChanging a broken or worn starter cord Tensioning the recoil springAir filter Needle bearing maintenanceMuffler Spark plugDaily maintenance Centrifugal cleaning Air InjectionCooling system Weekly maintenance Monthly maintenance Technical Data Your Warranty Rights Obligations Federal Emission Control Warranty Statement1998W48