MAINTENANCE

ADJUSTING THE CHAIN TENSION

See Figures 52, 53, and 54.

WARNING:

Never touch or adjust the chain while the motor is running. The saw chain is very sharp. Always wear protective gloves when performing maintenance on the chain.

1.Stop the engine before setting the chain tension.

2.Make sure the guide bar mounting nuts are loosened to finger tight, turn the chain tensioner clockwise to tension the chain.

Note: A cold chain is correctly tensioned when there is no slack on the underside of the guide bar, the chain is snug and it can be turned by hand without binding.

3.Retension the chain whenever the flats on the drive links hang out of the bar groove.

Note: During normal saw operation, the temperature of the chain increases. The drive links of a correctly tensioned warm chain will hang approximately .050 in. (1.25 mm) out of the bar groove. To help determine the correct warm chain tension, use the tip of the combina- tion wrench as a guide.

Note: New chain tends to stretch, check the chain tension frequently and tension as required.

CAUTION:

A chain tensioned while warm may be too tight upon cooling. Check the “cold tension” before next use.

FLATS ON DRIVE LINKS

Fig. 52

.050 in. (1.25 mm)

Fig. 53

.050 (1.25 mm)

Fig. 54

CHAIN MAINTENANCE

See Figures 55 and 56.

CAUTION:

Check that the Ignition Switch is in the OFF “O” position before you work on the saw.

Use only a low-kickback chain on this saw. This fast-cutting chain provides kickback reduction when properly main- tained.

For smooth and fast cutting, maintain the chain properly.

The chain requires sharpening when the wood chips are small and powdery, the chain must be forced through the wood during cutting, or the chain cuts to one side. During maintenance of the chain, consider the following:

Improper filing angle of the side plate can increase the risk of a severe kickback.

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Homelite UT10942D Adjusting the Chain Tension, Chain Maintenance, See Figures 52, 53, Flats on Drive Links, See Figures 55

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.