Husqvarna 291 SB, 953900445, 262 1 5 6 7 8 9, F. Starting and stopping the engine, 2 3 4, English

Models: 251 291 300D 290 291 SB 262 953900691 953900423 953900244 953900104 953900676 953900453 953900243 953900445

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E4. Assembly/disassembly of line cutter head

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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

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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

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CAUTION!

F. Starting and stopping the engine 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!

1 5 6 7 8 9 10 11 12 14 17 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 Manual backgroundManual backgroundManual background 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

Manual backgroundManual backgroundManual background ).

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 291 SB, 953900445, 953900243, 953900453, 953900676 1 5 6 7 8 9, F. Starting and stopping the engine, 2 3 4, English