and fasten it with the screw (E) (Make sure the screws are tightened all the way (E) and are not loosened by the vibrations. If necessary, tighten them again).

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) 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

Assemble blade as illustrated: a) Flange guard -

b)Upper cap with blade centering - c) Blade with text and directional arrow facing upwards - d)

Lower washer - e) Fixed mower gauge - f) Blade locking screw (length mm 16).

If you want to assemble the rotating mower gauge, proceed as illustrated: a) Flange guard - b) Upper cap with blade centering - c) Blade with text and directional arrow facing upwards - d) Lower washer - e) Spacer - f) Rotating mower gauge - g) Blade locking screw (length mm 34,5).

Assembly of sawtooth blade and blade guard

2 3 4 10

When using the sawtooth blade, remove the guard for the line cutter head and grass cut-

ting blade and replace the flange guard (A) with the sawtooth blade guard (H).

Saw tooth blades (24 - 80 tooth) have a central base diametre of 20mm and there-

fore require the use of the appropriate size top flange to ensure a correct fit. The part number is detailed in the cutting attachment summary chart.

For assembly see figures (E7, E8).

F. Starting and stopping the engine

1 5 6 7 8 9 10 11 12 14

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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McCulloch 467, 497 L, 497 B, 953900755, 953900750, 953900751, 437, 953900754 6 7 8 9 10 11 12, Starting and stopping the engine