Manual Al-ko AL-KO 137 SB (page 29 of 124) (English, German, Dutch, French, Italian, Spanish)

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Preparing the equipment for use

ENGLISH 9

4.2 Cutter installation

Always switch off the engine, pull the spark plug cap

and wear protective gloves when fitting or replacing

the cutter!

Depending on your particular model, one of the

following cutting tools will already be provided as

standard equipment with your brushcutter. The

cutting tools described below are available as

genuine SOLO replacement parts which can be

obtained from specialist retailers and should be

installed as described below. Please refer to the

overview of approved accessories in chapter 9 for

more information.

A) Assembly of the 3-tooth brush cutting blade

and the 4-tooth grass cutting blade

• Position the brushcutter with the output shaft

facing upwards.

• Place the brush cutting blade on the pressure

piece (25). In order to centre the cutting blade, the

shoulder of the pressure piece must be located

exactly in the bore of the cutting blade.

• Fix the pressure washer (26).

• Place the nut protector (27) and turn safety nut

(28) onto the shaft.

Caution! Left hand thread - tighten counter

clockwise.

Take care that all parts are centered.

• Block the shaft with the stop pin (4) and tighten

nut.

It is imperative that the safety nut (28) is

replaced, if it has become loose due to

frequent rem oval and tightening.

Afterwards check that the cutting blade is securely

seated and that it is properly centred.

Transport protection for metal cutting blades

When you first purchase an approved metal cutting

blade which is not supplied together with the

brushcutter (see chapter 9 "Accessories"), you will

also need to purchase a corresponding transport

protector.

When the metal cutting blades are attached (4-tooth

grass cutting blade or 3-tooth brush cutting blade,

provided either as standard equipment with the

different models or purchased as accessories), the

transport protector must always be attached to cover

the blades when the device is being stored or

transported, or during work breaks during which the

engine is switched off.

• Position the transport protector with the

corresponding recess at one of the tips of the

metal cutting blade.

• Press the two tabs (a) on the transport protector

together to increase the internal diameter of the

transport protector.

• Lay the transport protector right over the cutting

tool. Position the inner shoulder (b) between the

metal cutting blade and the running disc.

• Open the two tabs again, and in doing so also

position the inner shoulder between the metal

cutting tool and the running disc at tab (c).

When restarting work, take the transport protector

back off by pressing the two tabs (a) together before

starting the engine.

Fig. 5

Fig. 6

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Al-ko AL-KO 137 SB Manual

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