12 Servicing
12.2 Replacing seals and ball bearings
3
4
2
1
2
2
12
21
2.
Drive the screw set together with the bearing cover
2
out of the measuring housing
1
using light
blows of a plastic hammer and pull out.
3.
Remove the O-ring
3
from the bearing cover
2
.
4.
Loosen the circlips
12
and
21
out of grooves in the bearing cover
2
.
5 6
7
8
9
4
15
2
10 11
12
13
14
16
17
19 18
20
21
22
23
25 24
26
5.
Unscrew the socket screw
5
and take off the wedge lock washers
6
and supporting ring
7
.
6.
Screw the socket screw
5
completely back in, in order to pull the pole wheel
8
and bearing
cover
2
from the measuring screws by using an extractor. Remove the distance ring
9
. Remove
the socket screw
5
again.
7.
Remove the measuring screws from the bearing cover
2
.
8.
Unscrew the socket screw
26
, remove the wedge lock washers
25
and supporting ring
24
.
9.
Remove the circlip
16
and support ring
15
from the measuring screw large
13
.
10. Remove the circlip
17
and support ring
18
from the measuring screw small
20
.
11. Use the extractor to pull the ball bearings
14
and
10
from the measuring screw large
13
.
12. Use the extractor to pull the ball bearings
19
and
23
from the measuring screw small
20
.
13. Remove the support rings
11
and
22
from the measuring screws.
14. Remove the O-ring
4
via the hole in the middle of the bearing cover
2
.
12.2.8
Installing seals and ball bearings OMH-100
Personnel qualification:
o
Fitter
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
Aids:
o
Torque wrench
5 6
7
8
9
4
15
2
10 11
12
13
14
16
17
19 18
20
21
22
23
25 24
26
1.
Insert the O-ring
4
via the hole in the middle of the bearing cover
2
in the pick up hole.
2.
Slide the circlip
12
and support ring
11
onto the measuring screw large
13
.
3.
Slide the circlip
21
and support ring
22
onto the measuring screw small
20
.
Operating instructions
OIO 08en-GB Edition 2020-01
37
