TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

 

 

Engine starts, runs, and

Carburetor requires adjustment.

accelerates but will not

 

idle.

 

Chain turns at idle.

Carburetor requires adjustment.

Turn idle speed screw “T” clockwise to increase idle speed. See Figure 73.

Turn idle speed screw “T” counterclockwise to decrease speed. See Figure 73.

 

1.

Chain oil tank empty.

Bar and chain running

 

 

hot and smoking.

2.

Chain tension is too tight.

 

3.

Oiler is not functioning.

1.Oil tank should be filled every time that fuel tank is filled.

2.Tension chain per instructions in “Maintenance – Adjusting the Chain Tension” earlier in this manual.

3.Run at half throttle 30 to 45 seconds. Stop saw and check for oil dripping from SAFE-T-TIP and guide bar. If oil is present the chain may be dull or bar may be damaged. If no oil is on the SAFE-T- TIP, contact a Homelite Service Center.

 

1.

Chain brake is engaged.

Engine starts and runs,

 

 

but chain is not rotating.

2. Chain tension is too tight.

 

3.

Guide bar and chain as-

 

 

sembled incorrectly.

 

4.

Guide bar and/or chain are

 

 

damaged.

1.Release chain brake, refer to “Operation – Operat- ing Chain Brake” earlier in this manual.

2.Tension chain per instructions in “Maintenance – Adjusting the Chain Tension” earlier in this manual.

3.Refer to “Maintenance – Assembling the Bar and Chain” earlier in this manual.

4.Inspect guide bar and chain for damage.

Note: The carburetor adjustment needle(s) are equipped with plastic cap(s) that prevent counterclockwise rotation from the original factory adjustment. If your product exhibits specific performance problem(s) where the Troubleshooting Section recommends a counterclockwise needle adjustment and you have made no adjustments since the original purchase, take the product to a factory authorized service center for repair. In most cases, the needed adjustment is a simple task for the factory trained service representative.

Fig. 73

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Homelite UT10510 manual Troubleshooting
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UT10510 specifications

The Homelite UT10510 chainsaw is a versatile and efficient tool designed for both novice and experienced users who require a dependable saw for various tasks, from trimming and pruning to heavier cutting jobs. Known for its power and ease of use, the UT10510 is a reliable addition to any toolbox.

One of the main features of the Homelite UT10510 is its 10-inch cutting bar, which provides a perfect balance between maneuverability and cutting capacity. This size makes it ideal for tackling small to medium-sized branches, allowing users to handle tasks quickly and efficiently. It is also lightweight, reducing user fatigue during extended use, a benefit that is particularly important for those who may need to work for prolonged periods.

The UT10510 is powered by a gas engine, providing a robust 25cc of power. This engine allows for strong performance, enabling the saw to cut through tougher materials with relative ease. Additionally, the gas-powered design offers the advantage of being more portable than electric models, as it does not require a power source or long extension cords.

Another noteworthy technology incorporated into the Homelite UT10510 is its automatic chain lubrication system. This feature ensures that the chain remains well-lubricated during operation, which not only prolongs the life of the chain but also enhances cutting efficiency. A well-lubricated chain reduces friction, allowing for smoother cuts and reducing the risk of overheating.

Additionally, the UT10510 includes a tool-free chain tensioning system, which makes it easy for users to quickly adjust the chain tension without the need for additional tools. This feature is particularly useful for those who may not have extensive experience with chainsaw maintenance, as it simplifies what can be an otherwise complicated process.

Safety is also a significant consideration in the design of the Homelite UT10510. It features a chain brake that stops the chain immediately in case of kickback. This safety feature is critical for reducing the risk of accidents while operating the saw.

In summary, the Homelite UT10510 is a compact, powerful chainsaw designed for versatility and ease of use. With its effective 10-inch cutting bar, reliable gas engine, automatic chain lubrication, tool-free chain tensioning, and built-in safety features, it stands out as a practical choice for both casual users and those looking to handle more demanding cutting tasks. Whether you need to trim branches in your yard or cut firewood, the UT10510 is designed to meet your needs efficiently.
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