4 – 12 Repair Manual RRE140/160/180/200/250 © BT
Functions and parameters
Brake system 3100
T-code Valid from serial number Date Publication No.
815, 816 6051502 2008-08-21 261828-040
4.4.4 Disc brake on the drive motor (parking
brake)
General
The brake is a single stage electromechanical spring-loaded brake that
is released when the magnetic coil is energised. Polarity does not affect
its operation. The brake acts as a parking brake, as well as an emer
-
gency and secondary travel brake at the end (final 10 %) of brake pedal
travel.
Design
Item Component
a Magnet housing
b Brake disc
c Friction disc
d Hub
c
a
b
d
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