12 Servicing
12.2 Replacing seals and ball bearings
4
2
4
3
3
A
A
6
5
1
9.
Carefully slide the screw set into the measuring housing
1
.
10. Slide the distance sleeve
6
into the hole of the measuring screw small
18
.
11. Insert the support ring
4
and O-ring
3
via the hole in the middle of the bearing cover
2
in the pick
up hole. In the process observe the correct position of the supporting ring and O-ring.
12. Insert the O-ring
5
into the bearing cover
2
.
13. Place the bearing cover
2
onto the measuring housing
1
. Please ensure that the tapered dowel
pins
A
in the measuring housing match the fitting holes in the bearing cover.
12.2.5
Removing seals and ball bearings OMH-052/OMH-068
Personnel qualification:
o
Fitter
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
Aids:
o
Plastic hammer
o
Extractor
Requirement:
ü
Flowmeter removed from system
ü
Completion consisting of socket screws, flanges and seals removed
ü
Pick up inserts removed
1.
On the floating bearing end remove the socket screws, take off the bearing cover and remove the
O-ring (without figure).
3
5
6 7 8
9
10
11
12
3
2
1
13
14
4
3
19
26
19
3
2.
Remove the socket screws
4
, take off the bearing cover
3
and O-ring
2
.
3.
Drive the screw set together with the bearing cover
3
out of the measuring housing
1
using light
blows of a plastic hammer and pull out.
4.
Unscrew the socket screw
5
, remove the wedge lock washers
12
and supporting ring
11
.
5.
Unscrew the socket screw
6
, remove the wedge lock washers
7
and supporting ring
8
.
6.
Use the extractor to pull the pole wheel
10
and distance ring
9
from the measuring screw
large
19
.
7.
Use the extractor to pull out the screw set from the bearing cover
3
.
8.
Screw the threaded rings
13
and
14
out of the bearing cover
3
.
34
OIO 08en-GB Edition 2020-01
Operating instructions