Homelite UT10942D Maintaining the Guide BAR, Maintaining the SAFE-T-TIPNOSE Guard, See Figures 68

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MAINTENANCE

RESTORE ORIGINAL

SHAPE BY ROUNDING

THE FRONT

Fig. 66

MAINTAINING THE GUIDE BAR

See Figure 67.

CAUTION:

Make sure the chain has stopped before you do any work on the saw.

Every week of use, reverse the guide bar on the saw to distribute the wear for maximum bar life.

The bar should be cleaned every day of use and checked for wear and damage.

Feathering or burring of the bar rails is a normal process of bar wear. Such faults should be smoothed with a file as soon as they occur.

A bar with any of the following faults should be replaced:

■Wear inside the bar rails that permits the chain to lay over sideways

■Bent guide bar

■Cracked or broken rails

■Spread rails

In addition, lubricate guide bars (with a sprocket at their tip) weekly. Using a grease syringe, lubricate weekly in the lubricating hole.

Turn the guide bar and check that the lubrication holes and chain groove are free from impurities.

LUBRICATING HOLE

Fig. 67

MAINTAINING THE SAFE-T-TIP®NOSE GUARD

See Figures 68 and 69.

CAUTION:

Make sure the chain has stopped before you do any work on the saw.

WARNING:

Although the guide bar comes with a SAFE-T-TIP®anti-kickback device already installed, you need to check the tightness of the mounting screw before each use.

Tighten the mounting screw of the nose guard as in- structed below. These are specially hardened screws. If you cannot install the screw tightly, replace both the screw and the SAFE-T-TIP®, before further operation.

Note: Do not replace the screw with an ordinary screw; manufacturer's replacement parts should be used when replacing parts.

In addition to preventing chain contact with solid objects at the nose of the bar, the SAFE-T-TIP®also helps keep the chain away from abrasive surfaces, such as the ground. Keep it on the right hand side of the bar where it will be between the chain and the ground during flush with ground cutting.

The mounting screw requires a 5/16 in. wrench (or adjustable wrench) to achieve the recommended tight- ness of 35 to 45 in. lb. (4-5 Nm). A tightness within this range can be achieved by using the following method.

1.Tighten the screw to a finger tight position.

2.Tighten the screw an additional 3/4 of a turn using a wrench.

MOUNTING

SCREW

SAFE-T-TIP®

Fig. 68

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Contents Save this Manual for Future Reference Operators ManualIntroduction Table of ContentsRead ALL Instructions General Safety RulesGeneral Precautions Specific Safety RulesSafety Apparel Refueling do not SmokePush and Pull Maintenance PrecautionsKickback See FigureSymbol Name Explanation SymbolsUT10946D SpecificationsFeatures Operation Understanding Your Chain SAW Safety DevicesChain Brake See Figures 4Fuel and Refueling Kickback PrecautionsSee Figures 6 Handling the Fuel SafelyOperating the Chain Brake Adding OILSee Figures 9 See Figures 10, 11Starting the Engine Starter Grip Ignition Switch RUN PositionSee Figures 13 through RUN Position Primer Bulb Choke LeverStopping the Engine Ignition Switch Stop Position Brake PositionTrigger Release Throttle Trigger See Figures 20Proper Grip on Handles Preparing for CuttingSee Proper Grip Chain LineWork Area Precautions Basic OPERATING/CUTTING ProceduresAdjusting the Carburetor See Figures 26Felling Trees Adjusting Idle SpeedSee Figures 30, 31, 32, Proper Procedure for Tree FellingHinge Back CUT Wedge Bucking Removing Buttress RootsBucking with a Wedge Vertical CUT Loose Section Horizontal Kickback WedgeLOG Supported AT ONE END Finishing CUT Bucking Logs Under StressCutting Springpoles Limbing and PruningSee Figures 41 through MaintenanceAssembling the BAR and Chain Cutters Chain Drive Links BAR Groove BAR Studs Adjusting PINGuide BAR Plate SprocketChain Tensioning Screw Chain Maintenance Adjusting the Chain TensionSee Figures 52, 53, Flats on Drive LinksSee Figures 57, 58, 59, 60, Sharpening the CuttersLeft Hand Cutters Right Hand TOP Plate Filing Angle Maintaining Depth Gauge ClearanceSide Plate Angle See , 65,See Figures 68 Maintaining the Guide BARMaintaining the SAFE-T-TIPNOSE Guard Mounting the SAFE-T-TIP Nose Guard Cleaning the AIR FilterTighten 3/4 Turn See Figures 70, 71,Cleaning the Engine Cleaning the Starter UnitChecking the Fuel Filter Replacing the Spark PlugChain Catcher Clutch Cover Brake Band Clean the Chain Brake Cleaning the Spark Arresting MufflerStoring the Chain SAW 1 Month or Longer Spark Arrestor Screen Nuts MufflerBAR and Chain Combinations TroubleshootingProblem Possible Cause Solution 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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