MAINTENANCE

CLEANING THE STARTER UNIT

See Figure 73.

Use a brush or compressed air to keep the cooling vents of the starter assembly free and clean of debris.

Fig. 73

CLEAN FLYWHEEL

FINS

Fig. 75

CHECKING THE FUEL FILTER

See Figure 76.

Check the fuel filter periodically. Replace it if contaminated or damaged.

CLEANING THE ENGINE

See Figures 74 and 75.

Clean the cylinder fins and flywheel fins with compressed air or a brush periodically. Dangerous overheating of the engine may occur due to impurities on the cylinder.

WARNING

Never run the saw without all the parts, including the drivecase cover and starter housing, securely in place.

Because parts can fracture and pose a danger of thrown objects, leave repairs of the flywheel and clutch to trained Homelite Service Center personnel.

CLEAN

CYLINDER FINS

Fig. 74

Note: Depending on the type of fuel used, the type and amount of oil 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.

FUEL FILTER

Fig. 76

REPLACING THE SPARK PLUG

See Figure 77.

This engine uses a Champion RCJ-4 with .025 in. (0.63

mm)electrode gap. Use an exact replacement and replace every six months or more frequently, if necessary.

1.Loosen the spark plug by turning it counterclockwise with a wrench.

2.Remove the spark plug.

3.Hand thread the new spark plug, turning it clockwise.

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

Fig. 77

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Homelite UT10942D manual Cleaning the Starter Unit, Checking the Fuel Filter, Cleaning the Engine, Replacing the Spark Plug
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UT10942D specifications

The Homelite UT10942D is a powerful and versatile string trimmer designed for both residential and commercial landscaping needs. With its lightweight construction and user-friendly features, it provides an ideal solution for maintaining a pristine garden or lawn. One of the standout qualities of the UT10942D is its robust 25cc, 2-cycle engine that delivers ample power while remaining efficient. This engine enables users to tackle thick weeds and overgrown grass with ease.

One of the primary features of the UT10942D is its easy-start technology, which significantly reduces the effort needed to fire up the machine. This function is especially valuable for those who may struggle with traditional starting methods, ensuring a smooth and hassle-free user experience. The bike handle configuration enhances control and maneuverability, allowing users to navigate various terrains effortlessly.

Equipped with a dual-line feeding system, the trimmer allows for faster cutting, helping users to complete their tasks in less time. The 18-inch cutting swath provides an extensive coverage area, making it well-suited for both small and large properties. Additionally, the bump feed mechanism simplifies line advancement, enabling users to focus on their work without interruptions.

The Homelite UT10942D also boasts a durable construction, designed to withstand the rigors of frequent use. Its heavy-duty parts are built to last while still being lightweight, reducing fatigue during extended sessions. Furthermore, the inclusion of an adjustable cutting head enhances versatility, allowing users to switch between trimming and edging functions easily.

For added convenience, the trimmer comes with an anti-vibration feature that decreases hand fatigue, making it comfortable to operate for prolonged periods. Safety features, including a guard to protect the user from debris and a secure grip handle, are also part of the design, ensuring a safer cutting experience.

In summary, the Homelite UT10942D is a reliable and efficient string trimmer that combines power and ease of use. Its innovative technologies and thoughtful features make it a popular choice among homeowners and professionals alike, providing a truly effective tool for lawn care and maintenance. Whether for maintaining a small garden or taking care of larger landscapes, the UT10942D is equipped to handle the challenge, delivering precise results every time.
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