3
PAGE
Repair Instructions No.521.09/00
BBS(E)1100
Detaching the
driving roll
1
Remove the pulley (8) with a spanner
wrench. Steady the driving roll (1) with an-
other wrench.
☞
The pulley (8) has a right handed
thread!
2
Loosen the two screws (5).
Remove the gear box cover (7) and the
gasket (6).
3
Remove the locking ring (4) with special
pliers.
4
Remove the driving roll (1) with the
spring (2) and the washer (3).
Detaching the
pinion
1
Expel the pinion (7) with ball bearing (8)
and sleeve (6) by hitting the edge of the
housing lightly with a plastic hammer. This
will also bring out the gear (4).
2
Pull the sleeve (6) from the pinion (7).
3
Press off the ball bearing (8) from the pin-
ion (7).
4
Remove the ring (9), the disc (5) and the
washer (3).
5
Extract the bearing sleeves (1) and (2)
with a suitable interior extractor.
Removing the
T-screw
1
Unscrew the nut (7) with a socket spanner
(SW7). Remove the sealing washer (6).
2
Unscrew the T-screw (1).
3
Remove the sealing washer (4), the back-
ing flange (3) and the spring (2). Remove
the ring (5).
4
Loosen the screw (D) and remove the ten-
sion lever (C) as well as the distance
sleeve (B).
5
Remove the steering roller (E) with the
spring (A).
☞
The steering roller is under spring
pressure!
6
Loosen both screws (8) and remove the
cover (9).
8
1
7
6
5
4
3
2
5
1
2 3 4
6
8
5
7
9
6
7
6
5
4
1
2
3
8
9
D
C
B
A
E
7
