BT REFLEX RR B7-8C - 12.3 Dismantling and assembling the drive motor; 12.3.1 Dismantling the drive motor; Removing the gear wheel; Removing the brakes

T-code Valid from serial number
403-414, 669-671, 716-718 713962-
Date Order number
2005-06-01 218920-040
12- 2 Service Manual REFLEX RR B/E, RR B/E CC © BT Europe AB
Electric drive motor – 1760
Dismantling and assembling the drive motor
12.3 Dismantling and assembling the
drive motor
To open and close the motor compartment, see section P1 in this manual.
12.3.1 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 to the motor axle.
• Loosen and remove the motor 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 (51).
The gear wheel on the end of the motor is easily damaged.
Lift out the motor with care.
• Cover the hole to the transmission when the motor is removed to
prevent anything from falling inside the transmission housing.
Removing the gear wheel
• Tap loose the nut (54) and unscrew it using tool 10-15639.
• Pull off the gear wheel (51) using a gear 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 bracket (29) using a gear puller.
Removing the brakes
• Loosen the screws (37) so that the brakes (33) can be removed.
• Remove the outer circlip (16) from the motor axle.
• Remove the brake hub, key (6), plate and inner circlip (16).
14
31
60
61
6
3
54
62
7
51
29
27
37633
16
55
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