BR/BD 75/140 R, BR/BD 90/140 R
Troubleshooting
Page 69 / 71
New Unit Information 03.2004
Working time needed to replace important parts
Components
Modules
Working time
(Min.)
Note
Dirty water tank float switch 15
Dirty water tank
Seat switch
15
Seat
Suction bar lifting motor
30
Micro switches are adjustable
Drive motor carbon
brushes
30
Drive motor
Roller brush drive motor
60
Extend the piston of the lifting motor to approx.
75 mm (2.95 in). In this position the brush head
is resting on the floor. Open the terminal strip box
on the brush head and disconnect the wires.
Disconnect the brush head from the brackets and
pull it out to the side. Remove the brush motor.
Roller brush drive belt
30
Remove side drive belt cover.
Loosen motor retaining screws.
Replace drive belt and tighten.
Disc brush drive motor
60
Extend the piston of the lifting motor to approx.
75 mm (2.95 in). In this position the brush head
is resting on the floor. Open the terminal strip box
on the brush head and disconnect the wires.
Disconnect the brush head from the brackets and
pull it out to the side. Remove the disc brushes
from the brush head. Remove the brush motor.
