MAINTENANCE

SHARPENING THE CUTTERS

See Figures 38 - 41.

Be careful to file all cutters to the specified angles and to the same length, as fast cutting can only be obtained when all cutters are uniform.

WARNING:

Before performing any maintenance, make sure the tool is unplugged from the power supply. Failure to comply could result in accidental starting and possible serious personal injury.

CUTTING

 

CORNER

 

TOP PLATE

SIDE PLATE

RIVET

DEPTH GAUGE

HOLE

 

HEEL

TOE

GULLET

Fig. 38

 

WARNING:

The saw chain is very sharp. Always wear pro- tective gloves when performing maintenance to the chain to prevent serious personal injury.

nTension the chain prior to sharpening. Refer to Adjusting The Chain Tension.

nUse a 5/32 in. diameter round file and holder. Do all of your filing at the midpoint of the bar.

nKeep the file level with the top plate of the tooth. Do not let the file dip or rock.

nUsing light but firm pressure. Stroke towards the front corner of the tooth.

nLift the file away from the steel on each return stroke.

nPut a few firm strokes on every tooth. File all left hand cutters in one direction. Then move to the other side and file the right hand cutters in the opposite direction.

nRemove filings from the file with a wire brush.

CAUTION:

A dull or improperly sharpened chain can cause excessive motor speed during cutting, which may result in severe motor damage.

Fig. 39

Fig. 40

LEFT HAND

CUTTERS

RIGHT HAND

CUTTERS

Fig. 41

WARNING:

Improper chain sharpening increases the poten- tial of kickback, which could result in serious personal injury.

WARNING:

Failure to replace or repair a damaged chain could cause serious injury.

Page 25 — English

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Image 25
Homelite UT43102, UT43122 manuel dutilisation Sharpening the Cutters, See Figures 38

UT43102, UT43122 specifications

The Homelite UT43122 and UT43102 are two powerful and efficient string trimmers designed to meet the needs of both homeowners and landscaping professionals. Known for their reliability and performance, these trimmers come equipped with features that enhance user experience and job effectiveness.

At the heart of both models is a robust, high-performance electric motor that provides ample power for cutting through thick grass and weeds. The UT43122 features a 12 Amp motor, while the UT43102 has an equally impressive 10 Amp motor. These electric motors facilitate quick start-ups with minimal noise, offering a more environmentally friendly alternative to gas-powered trimmers. This makes them ideal for use in residential areas where noise restrictions may be in place.

One of the standout features of the Homelite UT43122 and UT43102 is their innovative Auto Feed String System. This technology ensures that the line is automatically advanced as needed, allowing for continuous cutting without the hassle of manual adjustments. As a result, users can focus on trimming rather than stopping to reload the line, which significantly increases productivity.

Both models are equipped with a 15-inch cutting path, enabling them to cover more ground in less time. This cutting width is augmented by a dual-line nylon string that offers superior cutting power. Additionally, the adjustable telescoping shaft allows users to customize the length of the trimmer to their preferred height, enhancing comfort during extended use.

Furthermore, the Homelite UT43122 and UT43102 boast a lightweight design, making them easy to maneuver around landscapes. The ergonomic handle features a comfortable grip, reducing fatigue during prolonged operation. These characteristics make them suitable for both professional landscapers tackling large areas and homeowners maintaining their yards.

In terms of durability, the construction of the Homelite trimmers is robust, ensuring they can withstand the rigors of outdoor use. The inclusion of a guard also protects the user from debris, promoting safety during operation.

In summary, the Homelite UT43122 and UT43102 string trimmers are equipped with powerful motors, an automatic feed system, and user-friendly features. Their lightweight design, adjustable shafts, and durable construction make them suitable for various trimming tasks, making them a valuable addition to any lawn care toolkit. Whether for professional use or home gardening, these trimmers deliver efficiency and effectiveness in tackling tough yard work.