Homelite UT10942D manual Cleaning the Starter Unit, Checking the Fuel Filter, Cleaning the Engine

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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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Contents Save this Manual for Future Reference Operators ManualIntroduction Table of ContentsRead ALL Instructions General Safety RulesRefueling do not Smoke Specific Safety RulesGeneral Precautions Safety ApparelSee Figure Maintenance PrecautionsPush and Pull KickbackSymbol Name Explanation SymbolsUT10946D SpecificationsFeatures See Figures 4 Understanding Your Chain SAW Safety DevicesOperation Chain BrakeHandling the Fuel Safely Kickback PrecautionsFuel and Refueling See Figures 6See Figures 10, 11 Adding OILOperating the Chain Brake See Figures 9RUN Position Primer Bulb Choke Lever Starter Grip Ignition Switch RUN PositionStarting the Engine See Figures 13 throughSee Figures 20 Ignition Switch Stop Position Brake PositionStopping the Engine Trigger Release Throttle TriggerProper Grip Chain Line Preparing for CuttingProper Grip on Handles SeeSee Figures 26 Basic OPERATING/CUTTING ProceduresWork Area Precautions Adjusting the CarburetorFelling Trees Adjusting Idle SpeedSee Figures 30, 31, 32, Proper Procedure for Tree FellingHinge Back CUT Wedge Vertical CUT Loose Section Horizontal Kickback Wedge Removing Buttress RootsBucking Bucking with a WedgeLOG Supported AT ONE END Finishing CUT Bucking Logs Under StressCutting Springpoles Limbing and PruningAssembling the BAR and Chain MaintenanceSee Figures 41 through Sprocket Chain Drive Links BAR Groove BAR Studs Adjusting PINCutters Guide BAR PlateChain Tensioning Screw Flats on Drive Links Adjusting the Chain TensionChain Maintenance See Figures 52, 53,See Figures 57, 58, 59, 60, Sharpening the CuttersLeft Hand Cutters Right Hand See , 65, Maintaining Depth Gauge ClearanceTOP Plate Filing Angle Side Plate AngleMaintaining the SAFE-T-TIPNOSE Guard Maintaining the Guide BARSee Figures 68 See Figures 70, 71, Cleaning the AIR FilterMounting the SAFE-T-TIP Nose Guard Tighten 3/4 TurnReplacing the Spark Plug Cleaning the Starter UnitCleaning the Engine Checking the Fuel FilterSpark Arrestor Screen Nuts Muffler Cleaning the Spark Arresting MufflerChain Catcher Clutch Cover Brake Band Clean the Chain Brake Storing the Chain SAW 1 Month or LongerProblem Possible Cause Solution TroubleshootingBAR and Chain Combinations Troubleshooting Limited Warranty Statement WarrantyHomelite Consumer PRODUCTS, INC

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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