Homelite UT08550, UT08951 manual Troubleshooting, Problem Possible Cause Solution

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troubleshooting

Problem

Possible Cause

Solution

Engine will not start.

No spark.

Check spark. Remove spark plug.

 

 

Reattach 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 product so

 

 

spark plug hole is aimed at the ground.

 

 

Rotate the choke dial to “RUN” position

 

 

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.

 

Spark arrestor screen is dirty.

Contact a servicing dealer.

 

 

 

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Contents UT08550/UT08951 OPERATOR’S ManualIntroduction Table of contentsGeneral safety rules Specific safety rules Symbol Name Explanation SymbolsSymbol Signal Meaning ServiceStarter FeaturesProduct Specifications Assembly Installing the vacuum bag Installing the Blower TubeInstalLING the handle To install the vacuum tubes Installing the vacuum tubesSee Figures 5 Vacuum Tubes Screwscrew Hinge Threaded Hole Door UpperApplications OperationFueling and Refueling the trimmer Fuel MixtureTo Stop the Engine Starting and StoppingIf assistance is required Starting this product See Figures 7Proper Operating Position Operating the blowerProper Operating­ Position Vacuum OperationGeneral Maintenance MaintenanceCleaning the AIR Filter Screen LubricationSpark Plug Cleaning the Exhaust Port and MufflerSpark Arrestor Fuel CAPProblem Possible Cause Solution TroubleshootingLimited Warranty Statement WarrantyYour Warranty Rights and Obligations This product was manufactured with a catalyst muffler Emissions Maintenance Schedule and Warranted Parts ListAIR Filter Assy Fuel Tank AssyPage California Proposition Parts and Service

UT08550, UT08951 specifications

The Homelite UT08951 and UT08550 are two robust string trimmers designed to make yard maintenance more efficient and user-friendly. These tools are part of Homelite's commitment to providing reliable and innovative outdoor power equipment that caters to both homeowners and landscaping professionals.

One of the most prominent features of the UT08951 and UT08550 is their lightweight design. Weighing in at just over 10 pounds, these trimmers are easy to maneuver, allowing users to trim grass, weeds, and overgrown vegetation with minimal fatigue. The ergonomic design ensures that users can maintain a comfortable grip during prolonged use, making it an excellent choice for larger landscaping tasks.

Both models are equipped with powerful motors that deliver high RPMs for cutting efficiency. The UT08951 features a 2-cycle engine, whereas the UT08550 utilizes a 4-cycle engine. The 2-cycle engine is lighter and often easier to start, making it suitable for quick yard maintenance tasks. In contrast, the 4-cycle engine provides increased torque and fuel efficiency, making it ideal for more extensive trimming jobs.

Another standout characteristic is their Quick Load Spool technology. This innovative design simplifies the process of reloading the cutting line, allowing users to spend less time on maintenance and more time getting the job done. The automatic line advancement feature ensures that the cutting line is consistently fed, enhancing productivity and cutting performance.

The adjustable cutting width on both models provides versatility, allowing users to choose between a wider or narrower cut depending on the task at hand, whether it’s edging along flower beds or tackling thick grass. The trimmers also feature a variety of cutting accessories, including different spool sizes and line types, to accommodate different needs and preferences.

For added convenience, the UT08951 and UT08550 are designed with easy-start technology. This feature reduces the effort required to start the engine, allowing users to spend less time preparing the tool and more time working in the yard. The models also come equipped with safety features, including a protective guard to shield users from debris and a safety switch that prevents accidental starts.

In summary, the Homelite UT08951 and UT08550 string trimmers combine power, efficiency, and user-friendly design, making them ideal choices for anyone looking to maintain their yard effectively. Whether you’re a weekend warrior or a professional landscaper, these models offer the features and technologies needed to tackle a variety of trimming tasks with ease.