Husqvarna 268K, 272K manual Kickback, Water cooling

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SAFETY INSTRUCTIONS

!Over exposure to vibrations can result in blood-vessel or nerve injury to persons suffering with blood circulation problems. Seek medical attention if you experience physical symptoms that can be related to over exposure to vibrations. Examples of such symptoms are numbness, lack of feeling, “tickling“, “pricking“, pain lack of or a reduction in normal strength, changes in the colour of the skin or its surfaces. These symptoms normally appear in the fingers, hands or wrists.

Cutting technique

The technique described below is of a general character. Check information for each disc regarding individual cutting characte- ristics. (For example, a diamond disc requires less feeding pressure than a abrasive disc).

1.Support the work piece in such away that you can

predict what will happen and so it will not pinch.

2. Always cut at full throttle.

3. Start cutting gently, do not force or squeeze the disc in.

4. Use a high disc speed.

5. Move the disc slowly backwards and forwards.

6.Use a small part of the disc’s cutting edge.

7. Only use the disc’s cutting edge when cutting.

8. Cut with the disc fully vertical – at right angles to the work piece.

!WARNING!

Under all circumstances avoid cutting using the side of the disc; it will almost certainly be damaged, break and can cause immense damage. Only use the cutting section.

!WARNING!

Do not lean the disc to the side, this can cause the disc to jam or break with personal injury as a consequence.

Water cooling

!WARNING! Water cooling, which is only used for petrol-driven power cutters and when cutting concrete, cools the cutting disc and increases its service life as well as reduce dust formation (see the section ” Abrasive discs”). Among the disadvantages are difficulties at very low temperatures and the risk of damaging the floor and other sections of the building.

Sharpening discs

Discs can become dull when the wrong feeding pressure is used or when cutting some materials such as heavily reinforced concrete. To force a dull disc results in overheating and finally the loss of segments (part of the disc).

Sharpen against a soft material such as sandstone, silica or haydite brick.

Disc vibration

The disc can become out of shape (not round) and vibrate if a too high feeding pressure is used or if the disc is pressed into the work piece.

A lower feeding pressure ought to stop the vibration. Otherwise replace the cutting disc.

Kickback

Kickback can occur very suddenly and with great force. If the following directives are not followed, it can result in serious or even fatal injury.

If the sector of the disc illustrated below is used for cutting the disc can start to climbing and kickback the power cutter upwards and backwards towards the user with immense force.

How to avoid kickback

1.Never cut with the segment illustrated in the

diagram.

2. Keep a good balance and a firm foothold.

3. Use both hands and take a firm grip with the thumb and fingers around the handle.

4. Keep the work piece at a comfortable distance.

5. Use the cutter at full throttle.

6. Take care when inserting the disc in an existing cut.

7. Never cut above shoulder height.

8.Be alert to movement of the work piece or anything else that can occur, which could cause the cut to close and pinch the disc.

8 – English

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Contents 268K/272K 101 87 70-27Symbols in the Operators Manual Symbol ExplanationSymbols on the power cutter Contents Safety Instructions Personal Safety EquipmentPower CUTTER’S Safety Equipment Stop switchSilencer Disc guard for the cutting discGeneral Safety Instructions Transport and storageFuel safety Basic safety precautionsGeneral Working Instructions CuttingKickback Water coolingCare and storage GeneralCutting Discs and Blades Abrasive discsHigh speed portable tools Special discsUsing diamond discs Cutting discsDiamond discs Dry diamond discsWhat is WHAT? What is what on a power cutter?Assembly Fitting the cutting head Fitting the cutting discChecking the drive shaft and flanges Disc guardFuelling Fuel HandlingFuel mixture Start and Stop Start and stopChanging the drive belt MaintenanceAdjusting the drive belt Carburettor Correctly adjusted carburettor Fuel filterAir filter High speed needle HStarter Replacing a broken or worn starter cordTensioning the recoil spring Replacing a broken recoil springSilencer Spark plugCooling system Monthly maintenance Daily maintenanceWeekly maintenance Cutting equipment Technical Data268K 272K English «*2m7§¬ 1998W17

268K, 272K specifications

The Husqvarna 268K and 272K are exemplary models in the realm of professional-grade brushcutters, celebrated for their power, versatility, and user-focused design. These machines are ideal for both demanding commercial applications and extensive gardening tasks, combining advanced technology with robust performance.

At the heart of the Husqvarna 268K and 272K is a powerful two-stroke engine that ensures high torque and performance. These engines are designed with efficiency in mind, delivering optimal power while minimizing fuel consumption and emissions. The X-Torq technology employed in these models reduces harmful exhaust emissions and increases fuel efficiency, making them an environmentally friendly option without compromising on performance. This innovative engine design allows users to maintain productivity during long hours of operation while being conscious of their ecological footprint.

Both models are equipped with an ergonomic design that enhances comfort during use. The handlebar system features soft-grip grips and adjustable components, allowing operators to customize their setup for maximum comfort and control. This attention to ergonomic detail significantly reduces fatigue during prolonged use, making the 268K and 272K ideal for professional landscapers and groundskeepers who tackle large areas on a daily basis.

In addition to the engine and ergonomic design, the cutting capabilities of these brushcutters are noteworthy. They come with a variety of cutting heads, including both trimmers and brushcutting blades, allowing users to tackle different types of vegetation effectively. The inclusion of a lightweight yet durable cutting head reduces overall weight without compromising on strength, which is crucial for efficiency and ease of use in tough conditions.

Convenience features are another highlight of the Husqvarna 268K and 272K. The easy starting system ensures users can get to work quickly, while the simple fuel and oil filling designs minimize downtime between uses. Maintenance is straightforward, with accessible air filters and other components that allow for quick servicing, ensuring the longevity and efficiency of the machines.

Overall, the Husqvarna 268K and 272K showcase a harmonious blend of power, comfort, and cutting efficiency, making them indispensable tools for professionals and DIY enthusiasts alike. Whether it's clearing dense underbrush or trimming grass in hard-to-reach areas, these brushcutters are engineered to deliver outstanding performance and reliability in every task.