Homelite UT08951 Spark Plug, Cleaning the Exhaust Port and Muffler, Spark Arrestor, Fuel CAP

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maintenance

SPARK PLUG

This engine uses a Champion RCJ6Y or equivalent spark plug with .025 in. electrode gap. Use an exact replacement and replace annually, or more frequently if necessary.

WARNING:

Be careful not to cross-thread the spark plug. Cross- threading will seriously damage the product.

CLEANING THE EXHAUST PORT AND MUFFLER

Depending on the type of fuel used, the type and amount of lubricant used, and/or your operating conditions, the exhaust port and muffler may become blocked with carbon deposits. If you notice a power loss with your gas powered tool, you may need to remove these deposits to restore performance. We highly recommended that only qualified service technicians perform this service.

VACUUM BAG

A dirty bag will reduce performance. To clean the bag, turn it inside out and shake. Wash the bag in soapy water at least once a year. To obtain a replacement bag, see How to Obtain Replacement Parts on the back page of this manual.

SPARK ARRESTOR

The spark arrestor must be replaced every 25 hours or yearly to ensure proper performance of the product. Spark arrestors may be in different locations depending on the model purchased. Please contact the nearest service dealer for servicing your spark arrestor.

WARNING:

Never run the blower without the spark arrestor in place. Failure to do so could result in a fire that could cause serious personal injury.

FUEL CAP

WARNING:

A leaking fuel cap is a fire hazard and must be replaced immediately. Failure to do so could result in a fire that could cause serious personal injury.

The fuel cap contains a non-serviceable filter and a check valve. A clogged fuel filter will cause poor engine performance. If performance improves when the fuel cap is loosened, the check valve may be faulty or filter clogged. Replace the fuel cap if required.

STORING THE PRODUCT

■Clean all foreign material from the product. Store it in a well-ventilated place that is inaccessible to children. Keep away from corrosive agents such as garden chemicals and de-icing salts.

■Abide by all Federal and local regulations for the safe storage and handling of gasoline.

When storing 1 month or longer:

■Drain all fuel from tank into a container approved for gasoline. Run engine until it stops.

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Contents OPERATOR’S Manual UT08550/UT08951Table of contents IntroductionGeneral safety rules Specific safety rules Symbols Symbol Name ExplanationService Symbol Signal MeaningProduct Specifications FeaturesStarter Assembly InstalLING the handle Installing the Blower TubeInstalling the vacuum bag Installing the vacuum tubes To install the vacuum tubesSee Figures 5 Vacuum Tubes Screwscrew Hinge Threaded Hole Door UpperOperation ApplicationsFueling and Refueling the trimmer Fuel MixtureStarting and Stopping To Stop the EngineIf assistance is required Starting this product See Figures 7Operating the blower Proper Operating PositionVacuum Operation Proper Operating­ PositionMaintenance General MaintenanceCleaning the AIR Filter Screen LubricationCleaning the Exhaust Port and Muffler Spark PlugSpark Arrestor Fuel CAPTroubleshooting Problem Possible Cause SolutionWarranty 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

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.
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