E4. Assembly/disassembly of line cutter head

2 3 4 10

Apply the nylon string head as shown in the illus- tration: 1) Upper plate 2) Protection (not supplied with all models) 3)Nylon string head. Tighten by turning counterclockwise. As you tighten, hold the nylon string head and plate still and insert the wrench or screwdriver supplied in the holes in the plate and gearbox; first turn the plate until the two holes match.

E5. Assembly/disassembly of grass cutter blade

2 3 4 10

Apply the blade as shown in the illustration: a) Upper plate with blade centering b) Protection (not supplied with all models) c) Blade with word- ing and direction arrow facing upward d) Lower plate e) Fixed cup f) Blade fastening nut.

CAUTION! Do not use the nylon string head guard extension with metal blades.

E6. Attachments fitting/removal (for split shaft models only)

1)Loosen the joint knob first, then insert attach- ment’s shaft into the shaft/attachment joint and make sure that the locking pin (A) is secured in one of its housings, finally lock firmly the joint knob (B).

2)To remove the attachment from the power unit: loosen the joint knob(1), push the locking pin

(2) and, keeping it pressed, remove attach- ment’s shaft from the joint(3).

3)Every attachment manual explains through a picture in which ways each attachment can be assembled on the power unit: a configuration is forbidden if crossed, if marked with “NO”

and/or the symbol ✗, or if it isn’t shown at all. A configuration is allowed if marked with “OK” and/or the symbol .

The figure shows assembling configurations allowed for the string head/grass blade attach- ment (with the rules defined in the previous para- graph, it is forbidden to assemble the string head/grass blade attachment with the locking pin in both left and right housings, allowing its assembling in the upper housing only).

F. Starting and stopping the engine

1 5 6 7 8 9 10 11 12 14 17

CAUTION!

Start the brush cutter in a flat place. During startup stand in a stable position. Make sure the blade or nylon string head do not touch the ground or any obstacles.

CAUTION!

Grip the knob of the starter with one hand and hold the machine in a stable position with the other. (Take care not to wind the starter string around your hand) and pull slowly until you encounter some resistance, then pull the cord sharply and forcefully (to start the engine when Do not pull the starter cord all the way and do not release it abruptly against the machine as this could damage it.

COLD ENGINE STARTING

1)Move stop switch to the “ON” position.

2)Depress the safety lever (S), squeeze the accelerator trigger (A) and push the throttle advance forwards (B). Now release the accelera- tor trigger (A) and then the throttle advance (B). WARNING: when the throttle advance is engaged, the head or blade rotates.

3)Move choke lever (E) to the closed

position

.

4)Press the primer bulb (C) several times until

you see fuel going back to carburetor through pipe (D). Pull starter rope until engine fires once.

5)Move choke lever (E) to the open position then pull starter rope until engine fires. Let engine run for a few seconds holding the trimmer. Now disengage throttle advance by pulling trigger completely. Engine will now keep on running at idle speed.

HOT ENGINE STARTING

STOP switch on START position I. Trigger on idle position (released). Choke towards (open position

).

Press the primer bulb (C) several times until you see fuel going back to carburetor through pipe

(D). Pull starter rope.

WARNING: when the throttle (B) advance is engaged, the head or blade rotates.

6) ENGINE STOPPING

Press the stop switch moving it to STOP position 0.

WARNING: when the engine is switched off rotat- ing parts, blade or nylon string head, will keep on rotating for a few seconds. Hold the machine until all parts come to a standstill.

N.B. In an emergency the above mentioned delay in stopping may be shortened by

touching blade parallel on the ground.

ENGLISH - 6

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Husqvarna 953900790, 953900740 6 7 8 9 10 11 12 14, Starting and stopping the engine, Move stop switch to the on position
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249953, 257 B, 297 L, 257 L, 953900790 specifications

Husqvarna is a renowned brand in the outdoor power equipment sector, known for its high-quality chainsaws, trimmers, and blowers. The Husqvarna 249953, 953900790, 257 L, 953900739, and 297 L are powerful models designed to cater to various landscaping and gardening needs.

The Husqvarna 249953 is equipped with a robust engine, providing reliable power and performance. Its lightweight design allows for ease of handling, making it suitable for residential users and professionals alike. The model features ease of starting, thanks to its innovative starting system that minimizes effort and maximizes convenience.

Another important model is the Husqvarna 953900790, which is designed for heavy-duty tasks. It features advanced anti-vibration technology that reduces strain on the operator, allowing for longer periods of use without discomfort. The ergonomic handle design makes it comfortable to grip, while the well-balanced construction ensures optimal control during operation.

Husqvarna's 257 L model is tailored for efficiency and effectiveness. It boasts a powerful, fuel-efficient engine that is designed to deliver high performance while reducing environmental impact. The model's unique cutting system allows for precise trimming, and its adjustable speed settings provide the flexibility needed for various tasks. Additionally, the 257 L comes with a dual line feed that optimizes cutting performance.

The 953900739 is another standout option, featuring a high-capacity fuel tank that allows extended use without frequent refilling. Its durable construction and materials ensure longevity, making it an ideal choice for both commercial and residential users. The model is engineered for easy maintenance, with accessible components that simplify routine checks and repairs.

Finally, the Husqvarna 297 L is a powerful tool designed for demanding landscaping tasks. It features a robust engine that delivers exceptional torque and cutting power. The ergonomic design reduces operator fatigue and enhances maneuverability. This model also incorporates advanced filtration systems that improve engine life and performance.

In summary, Husqvarna's range of models, including the 249953, 953900790, 257 L, 953900739, and 297 L, exemplify the brand’s commitment to quality and innovation. Their main features such as powerful engines, ergonomic designs, and advanced technologies cater to both residential and professional landscaping needs, ensuring efficiency and reliability in every task.
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