Mondolfo Ferro MT 2450, Техническое и сервисное руководство

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18 Technical service manual
Fig.3
REPLACING THE WHEEL SPIN MOTOR
AND/OR ROLLER
- Open the weight-holder lid, first undoing the fixing screws.
- Disconnect the motor cables from the PEAC circuit board connector.
- Undo the lock-nut which fixes the adjuster washer.
- Completely tighten the adjuster check-nut (D, fig. 3). This eliminates the preload of
the spring (B, fig 3).
- Undo the screws which fix the motor support (C, fig. 3) to the beam underneath and
remove the motor-support assembly.
- Check the state of the drive roller and reuse it on the new motor only if it is in perfect
condition.
- Remove the roller by undoing the screw on the top.
- Apply medium thread glue to the locking screw and fit the roller on the new motor.
- Undo the screws which fix the motor to the support and replace it with the new one.
- Replace the motor-support unit on the supporting beam and adjust the wheel spin/
braking device as described in “Adjusting the wheel spin device”.
- Reconnect the motor power supply cables.
- Perform a wheel spin to check that the motor is operating correctly. Take any correc-
tive measures necessary.
- Close the weight-holder lid again.