Brake and wheel 3000
Support arm wheel (3550)
Publication No. Date Valid from serial number T-code
261828-040 2008-08-21 6051502 815, 816
© BT  Repair Manual  RRE140/160/180/200/250  11 –   11
11.5  Support arm wheel (3550)
11.5.1 Removing the support arm wheel from 
the truck
1. Raise the truck and support it using blocks so that the support arm 
wheel is free of the floor.
2. Remove any guard (a) on top of the support arm wheel.
3. Remove the protective cover (b) on top of the cable to the braked 
support arm wheel and pull out the cable until the connector unit in 
the support arm can be accessed. Undo the connector unit.
4. Unscrew the screw (e) 1 cm and tap it in so that the axle (c) is eject-
ed from the support arm.
5. Remove the screw (e) and screw an M16 screw into the axle (d) 
and extract this from the support arm.
6. Remove the support arm wheel. 
a
b
c
d
e