12 Servicing
12.6 Replacing the ball bearing and screw set (inner bearing)
13
12
2
12
2
1.
Size 15 – 660, 880:
Press the balancing cylinder
12
onto the shaft of the main screw
2
.
2.
Press on the ball bearing
13
.
12
14
13
15
2
2
5
3.
Slide the supporting ring
14
onto the main screw and mount the circlip
15
.
4.
Unclamp the main screw, rotate it by 180° and clamp again.
5.
Mount the flange cover
5
onto the main screw.
3
2
5
6
11
8
9
1
4
6.
Clean the fitting surfaces carefully, position the flat gasket
11
in the flange cover.
7.
Size 15 – 660, 880, 2250 – 3550:
Position the edge sealing rings
8
in the flange cover. Take the
recesses for the edge sealing rings into account.
8.
Mount the bearing bush set
9
, consisting of the bearing bush and segment washer (segment
washer only for
Size 15 – 660, 880
), on the shafts of the idle screws
3
.
40
OIC 18en-GB Edition 2020-01
Operating instructions
