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Ultra Electronics Ltd
Pronto Maintenance Manual
- 42 -
Card Drive System.
1.
Remove the spring washer holding the large Pulley in place then
slide the Pulley off the roller Shaft. Drive belt can also be
removed.
Refitting is the reverse procedure ensuring a new spring washer
is used.
2.
Remove the spring washer holding the small Pulley in place then
slide the small Pulley from the main Stepper Motor shaft.
Refitting is the reverse procedure ensuring a new spring washer
and Pulley are used.
3.
Idle Tension Roller pressure can be released then the large
Drive Belt removed. Note how the Belt is fitted.
Refitting is the reverse procedure then release the Idle Roller to
tension the Belt.
4.
The individual Roller Drive Pulleys can now be removed by
either depressing the retaining Tabs on the shafts or releasing
the spring washers. Slide the Pulleys outwards.
Refitting is the reverse procedure ensuring new spring washers
are used.
SECTION 11.9
REMOVAL AND REFITTING OF RIGHT SIDE COMPONENTS
CAUTION
The Plastic Drive Pulleys attached to any of the Motors are designed to be push-fit and used only once.
Magicard highly recommend new Pulleys are fitted if they are disturbed. Once pushed onto the Motor
shaft, the plastic deforms to produce a tight fit.
The following procedures involve contact with Electrostatic Sensitive Devices. All precautions for
handling Electrostatic Sensitive Devices should be followed at all times, including the use of a grounded
wrist strap.
RFID PCB & Top Cover Sensor
1.
Sensor can be removed by unclipping
the outer plastic housing and sliding
the Sensor outwards.
Refitting is the reverse procedure.
2.
Remove the RFID PCB plastic cover
and slide PCB outwards.
Refitting is the reverse procedure.