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C) BRAKE ADJUSTMENT
To adjust the brake cables place the machine on a flat surface, switch off the engine and
disconnect the spark plug wire.
WARNING
ANY COMPLEX JOB AND ANY WORK AFFECTING THE SAFETY OF THE
OPERATOR AND/OR OTHER PERSONS MAY ONLY BE CARRIED OUT AT AN
AUTHORISED SERVICE CENTRE
C1) ROTOR BRAKE
After removing the setting screw for the brake (Fig 6 Ref C) by unscrewing it (Fig 6 Ref G),
adjust it as follows:
Make sure the setting screw on the rotor brake cable is set at zero, so it is totally screwed
down (Fig 5 Ref E).
Make sure the rotor brake intermediate transmission (Fig 6 Ref A) is at rest, so it is resting
on the roller rotation tension rod (Fig 6 Ref B).
Put the rotor brake control (Fig 6 Ref C), already preassembled with the threaded pin (Fig
6 Ref D), in position so that the threaded pin enters the seat of the rotor brake intermediate
transmission (Fig 6 Ref A) without moving away from its position at rest and the brake
control pin (Fig 6 Ref E) touches the front of the slot on the pulley transmission without the
need to force it (Fig 6 Ref F).
Secure the rotor brake control with the screw (Fig 6 Ref G), making sure it moves
smoothly: the washer (Fig 6 Ref H) should be able to move freely after the counter nut has
been secured tightly.
When you lock the counter nut on the threaded pin (Fig 6 Ref I), make sure the pin remains
loose inside its seat for the movement of the brake control (Fig 6 Ref A) and do not force it
to go inside.
Adjust the setting screw for the rotor brake cable (Fig 5 Ref E) so the brake disengages
when the lever (Fig. 7 Ref A) passes the step for releasing the rotor engagement (Fig 7 Ref
B). The outside edge of the rotor engagement lever must be along the edge of the step for
the release of the rotor engagement (Fig 7 Ref B).
When the rotor engagement lever is in this position, test the brake pulley with your hand
(Fig 6 Ref L) to check it is able to turn. If it does not turn, adjust the setting screw for the
rotor brake cable accordingly (Fig 5 Ref E).
Содержание IB 642 HD
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