Sperimentale Equilibratrici
- 1 -
May 2005
TECHNICAL SERVICE MANUAL EM 8540
Version with roller-driven wheel spin
CONTENTS
ELECTRICAL CONNECTION................................................................................................................................... 2
SERVICE PROGRAMS ...............................................................................................................................................2
87 Working environments:............................................................................................................................................ 2
88 Sensitivity calibration (2 spins):.............................................................................................................................. 2
90 Automatic position search (RPA):........................................................................................................................... 3
91 Cancel/reset:.............................................................................................................................................................. 3
93 Display current software version............................................................................................................................. 4
95 Display phase calibration coefficient......................................................................................................................4
96 Display pickup signal and phase. ............................................................................................................................ 4
97 Display search circuit board operation (encoder)................................................................................................... 5
98 Display sensor operation.......................................................................................................................................... 5
99 Preset speed wheel spin setting: .............................................................................................................................. 6
100 Electrical actuator control function:...................................................................................................................... 6
101 Counters:................................................................................................................................................................. 6
MBE161 MOTHERBOARD SWITCH CONFIGURATION....................................................................................6
DIAGNOSTICS PROGRAMS..................................................................................................................................... 7
REMOVING THE WEIGHT-HOLDER LID ............................................................................................................. 7
MBE161 MOTHERBOARD UPDATES .................................................................................................................... 7
REPLACING THE INSIDE SENSOR (DISTANCE AND DIAMETER) REED MICROSWITCH AND
ENCODERS...................................................................................................................................................................7
Replacing and adjusting the reed microswitch ............................................................................................................ 7
Checking the operation of the diameter encoder [di] ..................................................................................................8
Checking the operation of the distance sensor [d]....................................................................................................... 8
Replacing the diameter encoder.................................................................................................................................... 8
Replacing the distance encoder.....................................................................................................................................9
REPLACING AND ADJUSTING THE OUTSIDE SENSOR POTENTIOMETER (WIDTH
POTENTIOMETER).....................................................................................................................................................9
Sensor errors: ...............................................................................................................................................................10
REPLACING AND ADJUSTING THE PICKUPS..................................................................................................10
REPLACING THE BRAKE PEDAL SWITCH .......................................................................................................11
REPLACING THE ENTIRE CENTRAL UNIT.......................................................................................................11
REPLACING THE QUICK LOCK CENTRAL UNIT PNEUMATIC CYLINDER GASKETS.........................11
SPIN UNIT...................................................................................................................................................................12
Replacing the electrical actuator.................................................................................................................................12
Replacing the friction roller ........................................................................................................................................12
Replacing the brake shoe.............................................................................................................................................13
Replacing the motor.....................................................................................................................................................14
TROUBLE SHOOTING............................................................................................................................................. 15
TROUBLE SHOOTING............................................................................................................................................. 15
ERROR MESSAGES.................................................................................................................................................. 19
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