BR/BD 100/250 R BP / RI
Basic settings and service procedures
Page 107 / 171
Service Manual 08.2007
5.4.4 Brush head - maintenance work
Replace brush roller (BR version)
– Remove the wing nuts (1) and (5) and pull off
the mouting plate (4).
– Pull out the brush (2) and check for wear, re-
place if necessary.
– Insert the new brush onto the opposite drive
shaft and reinstall the mounting plate (4).
Check / replace the disc brushes (BD
version)
– Raise the brush head (7).
– Lift the disc brushes, rotate by 45 degrees and
remove from below.
– Check disc brushes for wear.
– Install the new disc brush in reverse order.
Replace drive belt (BR version)
– Remove the wing nuts (1) and (5).
– Remove mounting plate (4).
– Remove cover plate (6).
– Loosen the 4 retaining screws (12) of the mo-
tor.
– Remove drive belts (8).
– Install new drive belts, tauten and tighten the
retaining screws (12) of the motor. The V-belt
tension is determined by the position of the
motor shaft (11).
Replace brush roller (BR version)
1
Wing nut, front
2
Brush roller
3
Holding arbor
4
Mounting plate, brush roller
5
Wing nut, rear
6
Cover plate, drive belt
7
Brush head (BD version)
8
Drive belt
9
Driving gear, brush roller
10
Retaining screws, belt housing (5x)
11
Driving gear, motor shaft
12
Retaining screws, motor (4x)
Brush head, drive unit
Note:
The drive belt (8) must be tightened so that
it gives way by maximum 5 mm (0.19 in)
when pressed forcefully with a thumb.
11
Brush head (BD version)
6
1
2
3
4
5
7
12
8
9
10
