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
