Control System
33
Service Manual – Scrubtec R 253 - RA40
Removal and Installation
Function Electronic Board (EB1) Removal/Replacement
1
Drive the machine on a level floor and remove the operator key.
2 Disconnect the red battery connector by pressing the emergency push-button
3 Lift the recovery tank assembly and the driver’s seat
4 Remove the 3 screws and remove the upper cover
5 Remove the 2 screws and remove the function electronic board front cover
6 Disconnect the following connections (Figure 9):
◦
(A) and (B) Electronic board power supply connection (B+) and (B-)
◦
(C) and D) Brush motor connection (BR+) and (BR-)
Figure 9
A
B
D
C
A
B
D
C
7 Disconnect the following connections (Figure 10):
◦
(E) and (F) Drive system motor connection (M1) and (M2)
◦
(G) and (H) Vacuum system motor connection (VA+) and (VA-)
Figure 10
E
F
G
H
G
E
F
H
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