BT REFLEX RR B7-8C - 13.3 Replacing the drive motor;drive transmission; 13.3.1 Dismantling the drive motor; 13.3.2 Dismantling the gear wheel

Valid from serial number T-code
713962- 403-414, 669-671, 716-718
Order number Date
218920-040 2005-06-01
© BT Europe AB Service Manual REFLEX RR B/E, RR B/E CC 13- 5
Mechanical drive gear unit – 2550
Replacing the drive motor/drive transmission
13.3 Replacing the drive motor/drive
transmission
To open and close the motor compartment, see section P1 in this man-
ual.
13.3.1 Dismantling the drive motor
• Cut the power by turning off the key and removing the battery plug.
• Remove the temperature, braking and speed measurement con-
tacts (14, 31, 63) and power cables (60) from the motor (61).
• Fasten a lifting eye in the motor axle.
• Dismantle the motor’s mounting bolts (62).
• Lift out the motor using an overhead crane and place it on a clean
surface.
NOTE!
Risk of damage to the gear wheel (A).
The gear wheel on the end of the motor is easily damaged.
Carefully lift out the motor.
• Cover the hole in the transmission when the motor has been removed
to prevent anything from falling inside the transmission housing.
13.3.2 Dismantling the gear wheel
• Tap out the nut (54) lock and unscrew the nut using tool 10-
1515639.
• Pull off the gear wheel (51) using a puller.
• Remove the key (7) holding the gear wheel (51) in place.
• Remove the circlip (27) holding the bearing bracket (29) in place.
• Pull off the bearing cage (29) using a puller.
14
31
60
61
6
3
54
62
7
51
29
27
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