KRAL OMG Series User Manual

12 Servicing
12.2 Replacing seals and ball bearings
2
1
3
3
2
4
21 12
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. Loosen the circlips12 and21 out of grooves in the bearing cover.
5
6
7
8
9
4
10
11
12
13
14
15
16
26
24
23
22
21
20
19
18
25
17
2
4. Unscrew the socket screw5, take off the wedge lock washers6 and supporting ring7.
5. Screw the socket screw5 completely back in, in order to pull the pole wheel8 and bearing
cover2 from the screw set by using an extractor. Remove the distance ring or sleeve 9. Remove
the socket screw5 again.
6. Remove the measuring screws from the bearing cover2.
7. Remove the O-ring4 via the hole in the middle of 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.
12.2.8 Installing seals and ball bearings OMG-100/OMG-140
Personnel qualification: o Fitter
Personal protective equipment: o Work clothing
o Protective gloves
o Safety boots
Aids: o Torque wrench
30
29
28
3
2
27
1
4
1. Insert the O-ring3 into the bearing cover2 and insert the O-ring28 into the bearing cover29.
Operating instructions
OIO 14en-GB Edition 2020-01
39

KRAL OMG Series Specifications

General

Brand	KRAL
Model	OMG Series
Category	Measuring Instruments
Language	English