Wheels, Drive System
118
Service Manual – Scrubtec R 253 - RA40
Wiring Diagram
Dashboard power
Dashboard
Dashboard serial -
Dashboard power supply -
Return from key J1.5
J1.6
J1.7
J1.8
J1.9
J1.12
J3.5
J3.2
J8.3
J8.8
M2
B+
B -
Electronic board power
Electronic board power supply -
M1
J1.10
J1.11
Display electronic board power
Enabling input from display electronic board
Display electronic board
Display electronic board serial -
Return from steering microswitch
Pedal power
Return from pedal
J1.1
J1.2
J1.3
Return from driver’s seat microswitch
Driver’s seat microswitch power supply
Electromagnetic brake output -
Electromagnetic brake
Drive system motor -
Drive system motor +
J1.4
J1.3
J1.2
J1.1
Microprocessor
FUNCTION
ELECTRONIC
BOARD (EB1)
DISPLAY ELECTRONIC BOARD (EB2)
ELECTROMAGNETIC
BRAKE (BRK)
DRIVE SYSTEM
MOTOR (M3)
DRIVER’S SEAT
MICROSWITCH (SW3)
ANTI-SKID
CONTROL
SENSOR (SW4)
DRIVE PEDAL
POTENTIOMETER (RV1)
Figure 1
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