Adjustments; Maintenance And Checks - Fimap MXR Workshop Manual

6.3

Adjustments

6.3.1 Fixing
plate
The brush deck must be free to move
pivoted to its support so that the brush
acts parallel to the floor. This allows the
brush to evenly lean to the ground and
perform its function properly.
Requirements: Mounted brush, switched
off machine.
Procedure:
Hook the brush to the base.
Loosen the adjustment nuts.
Lower the brush deck to the ground
so that the brush lies uniformly and
parallel to the floor.
Tighten the adjustment nuts.
6.3.1-82 Loosen the nuts 6.3.1-83 brush deck to the
6.3.1-84 Tighten the nuts
6.3.2 Brush deck lifting cable
Adjust the lifting cable using the ap-
propriate register on the sheath so that
when the base is in the raised position
and adjustment
ground
the brush has a chance to pass under
the base in an easy manner. In any case,
the lowest part of the deck, must have a
height from the ground of at least 7 cm.
6.4 Maintenance
checks
6.4.1 Motor
Check
(to perform every 150h)
The motor should rotate evenly and
smoothly. It's important that the reduc-
tion case is not noisy and that the motor
current consumption is not higher than
the declared on the plate, regardless of
the load which it is subjected. It is nec-
essary that the motor carbon brushes
are always in good condition and show
no signs of abnormal wear.
Maintenance
(to perform every 600h)
Motor carbon brushes replacement:
Procedure:
Put the machine in safe conditions.
Remove the brush deck from the ma-
chine.
Loosen the screws that secure the
collar brush guard.
Disconnect the
from the input power line to the mo-
tor.
Replace the carbon brushes being
careful not to ruin them during as-
sembly.
Proceed to the reverse operations to
reassemble it all.
6.4.2 Brass bushings
Check
(to perform every 150h)
The brass bushings allow a fluid and
little tiring rotational movement of the
and
Carbon brushes
6-53