Husqvarna 51 manual Weekly maintenance Daily maintenance, Monthly maintenance

Page 33

MAINTENANCE

Below you will find some general maintenance instructions. If you have more questions, contact your servicing dealer.

Weekly maintenance

Daily maintenance

1. Check the throttle trigger

for smooth operation. If

any binding occurs, or if

engine fails to return to

idle, the saw should be

taken to your dealer,

before it is used again.

Also, be sure that the

trigger cannot be pulled

until the throttle trigger

lockout is depressed.

2. Clean the chain brake

and check its function

according to the

instructions. Make sure

that the chain catcher is

undamaged. Otherwise

replace it immediately.

3. Clean or replace the air

filter as necessary. Check

for damage or holes.

4. 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 the

bar groove, if the bar has

a sprocket tip, this should

be lubricated.

5. Check the function of the

1

2

3

4

5

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

 

oiler to be sure the bar

and chain receive proper

6

Monthly maintenance

 

lubrication.

6.

Sharpen the chain and

 

check its tension and

 

condition. Check the drive

 

sprocket for wear.

 

Replace if necessary.

7.

Check the starter and

 

starter cord for wear or

 

damage. Clean the air

 

intake slots on the starter

 

housing.

8.

Check for any loose nuts

 

and screws and retighten

 

if necessary.

9.

Test the stop switch to be

 

sure it shuts off the

 

engine.

7

8

9

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.Clean the inside of the fuel tank.

6.Clean the inside of the oil tank.

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

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Contents 101 91 51/55Symbols 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 inertia brake release 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 Start Start and StopStop Cold engineCarburetor MaintenanceStarter device Starter device assemblyChanging a broken or worn starter cord Tensioning the recoil springAir filter Needle bearing maintenanceMuffler Spark plugTemperature 0C or colder Centrifugal cleaning Air InjectionTemperature -5C or colder Cooling systemMonthly maintenance Weekly maintenance Daily maintenanceTechnical Data Your Warranty Rights Obligations Emission Control Warranty Statement2001W07

51 specifications

The Husqvarna 51 is a well-regarded chainsaw that has made its mark in the world of outdoor power equipment. Renowned for its balance of performance and usability, the Husqvarna 51 is often favored by both amateur woodcutters and professionals alike. This versatile chainsaw is designed for a range of tasks, from light-duty pruning to more demanding woodcutting jobs.

One of the standout features of the Husqvarna 51 is its powerful 2.3 horsepower engine. This robust engine allows the saw to tackle larger cuts with ease, making it a reliable tool for any woodcutting needs. Coupled with a lightweight design, the chainsaw ensures reduced fatigue during prolonged use, enhancing user comfort and efficiency.

The Husqvarna 51 utilizes a simple yet effective starting system known as the Smart Start technology. This feature minimizes resistance in the starter cord, allowing for easier and quicker engine starts. Consequently, even less experienced users can confidently get the saw up and running without unnecessary frustration.

Another important characteristic of this model is its air injection system. This technology works by using centrifugal force to remove larger debris from the air filter before it reaches the engine. As a result, the filter stays cleaner for longer, reducing the frequency of maintenance and ensuring optimal engine performance. This system significantly prolongs the life of the chainsaw while maintaining high power levels.

The Husqvarna 51 also features an adjustable oil pump that allows operators to control oil flow as needed. This ensures proper lubrication of the chain and bar, which is critical for maintaining performance and extending the lifespan of the cutting components. The saw’s chrome-plated cylinder further contributes to durability by providing an added layer of resistance against wear and tear.

Safety is a priority with the Husqvarna 51, which comes equipped with an inertia-activated chain brake. This feature automatically stops the chain in the event of kickback, providing additional peace of mind to the user. The front hand guard and ergonomic handle design also enhance user control, contributing to a safer and more comfortable cutting experience.

Overall, the Husqvarna 51 stands out as a reliable, sturdy, and user-friendly chainsaw. Its blend of power, technology, and safety features makes it an ideal choice for a variety of cutting tasks, making it popular among both casual users and seasoned professionals. Whether you are trimming branches or cutting firewood, this chainsaw offers the performance you need for effective woodcutting.
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