![background image](http://html1.mh-extra.com/html/karcher/1-246-101/1-246-101_new-unit-information_655687025.webp)
BR/BD 75/140 R, BR/BD 90/140 R
Unit Functions
Page 25 / 71
New Unit Information 03.2004
Steering
Steering column
The steering column (4) with internal steering rod
(9) is fixed to the base frame (5) by four retaining
bolts (1).
The steering movement of the steering wheel is
transferred via the steering rod (9) to the steering
head (7) via the ring gear (9).
1
2
3
4
5
Steering column with steering bearing
Steering head and wheel-hub motor
The steering head (7) is mounted to the steering
rod bearing (2) by a fastening nut (3).
Drive wheel
Drive whell with electromagnetic brake
1
Retaining bolts, steering column
2
Steering rod bearing
3
Fastening nut, steering head, wrench size
36 mm
4
Steering column
5
Base frame
6
Ring gear
7
Steering head
8
Front wheel
9
Steering rod with toothed wheel
10
Electromagnetic brake (Y1)
11
Wheel-hub motor M1)
12
Free-roll lever for manual release of the
electromagnetic brake
6
7
8
9
5
10
11
12
Note:
Regularly grease the ring gear (6) in order to
minimise wear.
Grease type 6.288-000
REVISED