Homelite UT50500, UT50901 manual Troubleshooting, Air Filter Screen earlier in this

Page 16

TROUBLESHOOTING

Problem

Possible Cause

Solution

Engine will not start.

No spark.

Check spark. Remove spark plug. Re-

 

 

attach the spark plug cap and lay spark

 

 

plug on metal cylinder. Pull the starter

 

 

rope and watch for spark at spark plug

 

 

tip. If there is no spark, repeat test with

 

 

a new spark plug.

 

No fuel.

Push primer bulb until bulb is full of

 

 

fuel. If bulb does not fill, primary fuel

 

 

delivery system is blocked. Contact

 

 

a servicing dealer. If primer bulb fills,

 

 

engine may be flooded, proceed to

 

 

next item.

 

Engine is flooded.

Remove spark plug, turn trimmer so

 

 

spark plug hole is aimed at the ground.

 

 

Rotate the choke dial to “RUN” posi-

 

 

tion and pull starter cord 10 to 15

 

 

times. This will clear excess fuel from

 

 

engine. Clean and reinstall spark plug.

 

 

Pull starter three times with choke dial

 

 

at “RUN”. If engine does not start,

 

 

rotate choke dial to “FULL CHOKE”

 

 

position and repeat normal starting

 

 

procedure. If engine still fails to start,

 

 

repeat procedure with a new spark

 

 

plug.

 

Starter rope pulls harder now than

Contact a servicing dealer.

 

when new.

 

 

 

 

Engine starts but will not accelerate.

Engine requires approximately three

Allow engine to completely warm up. If

 

minutes to warm up.

engine does not accelerate after three

 

 

minutes, contact a servicing dealer.

 

 

 

Engine starts but will only run at high

Carburetor requires adjustment.

Contact a servicing dealer.

speed at half choke.

 

 

 

 

 

Engine does not reach full speed and

Check lubricant fuel mixture.

Use fresh fuel and the correct 2-cycle

emits excessive smoke.

 

lubricant mix.

 

Air filter is dirty.

Clean air filter. Refer to Cleaning

 

 

the Air Filter Screen earlier in this

 

 

manual.

 

Carburetor out of adjustment.

Contact a servicing dealer.

 

 

 

Engine starts, runs, and accelerates

Idle speed screw on carburetor needs

Turn idle speed screw clockwise to

but will not idle.

adjustment.

increase idle speed. See figure 16.

 

 

 

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Contents Save this Manual for Future Reference ALL VersionsTable of Contents IntroductionRead all instructions  Danger Rotating Cutting MemberSpecific Safety Rules Symbols Symbol Name ExplanationService Symbol Signal MeaningFeatures Product SpecificationsAssembly TOP-MOUNTED MotorUnpacking Packing ListRemoving the attachment from the power head Attaching the Front handleFront Handle BoltOperation ApplicationsFuel Mixture Filling TankUsing the Edger To Stop the EngineIf assistance is required Starting this product Operating TipsSee Figures 7 Adjusting Depth of CUTBlade Depth Maintenance General MaintenanceReplacing the blade See Figures 9Cleaning the Exhaust Port Replacing the Debris FlapAttaching the Storage Hanger Spark ArrestorCleaning the AIR Filter Screen Fuel CAPSpark Plug STORing the productTroubleshooting Air Filter Screen earlier in thisScrew Warranty Limited Warranty StatementYour Warranty Rights and Obligations Emissions Maintenance Schedule and Warranted Parts List This product was manufactured with a catalyst mufflerAIR Filter Assy Fuel Tank AssyPage Parts and Service California Proposition

UT50901, UT50500 specifications

The Homelite UT50500 and UT50901 are two powerful electric string trimmers designed to meet the varied needs of both residential and light commercial users. Known for their reliability and efficiency, these models incorporate innovative technologies and user-friendly features that make yard maintenance a breeze.

At the heart of the Homelite UT50500 is its robust 5.0 Amp motor, providing ample power to tackle tough weeds and overgrown grass. The UT50901, on the other hand, boasts a slightly more powerful 6.5 Amp motor, allowing it to handle heavier vegetation with ease. Both models feature a lightweight design, ensuring that users can maneuver the trimmers comfortably without causing undue strain during extended use.

One of the standout features of the UT50500 and UT50901 is their automatic line feed system. This technology ensures that the trimming line is fed smoothly and efficiently, reducing downtime and enhancing productivity. Users can switch between different cutting widths, with the ability to adjust the cutting path to either 12 inches or 15 inches, catering to various tasks, from edging to trimming.

The trimmers are equipped with a telescopic shaft that can be easily adjusted to accommodate users of varying heights. This feature is critical for user comfort and ensures that anyone can use the trimmer without difficulty. Additionally, the ergonomic handle is designed to provide a comfortable grip and reduce vibration, allowing for extended use without fatigue.

Another notable characteristic of the Homelite UT50500 and UT50901 is their dual-line capability, allowing for more efficient cutting. This feature not only enhances cutting performance but also reduces the amount of time needed to complete trimming tasks. Furthermore, both models are designed for easy string replacement, making maintenance straightforward and quick.

Safety is also a priority, with both trimmers featuring a protective guard that shields users from debris while they work. The lightweight build, combined with the safety features, makes these trimmers suitable for homeowners and professionals alike.

In conclusion, the Homelite UT50500 and UT50901 offer an impressive combination of power, functionality, and ease of use. With their effective motor performance, adjustable features, and user-centric design, these electric string trimmers are excellent choices for anyone looking to maintain a neat and tidy outdoor space. Whether tackling stubborn weeds or simply maintaining the edges of your lawn, these trimmers make yard work an efficient and manageable task.