12 Servicing
12.2 Replacing seals and ball bearings
9. Use an extractor to take out the distance ring16 and pull the angular-contact ball bearings15
and25 out of the bearing cover 3.
10. Remove the circlip20 and support ring19 from the measuring screw large17 and pull off the ball
bearing18 using an extractor.
11. Remove the circlip21 and support ring22 from the measuring screw small24 and pull off the ball
bearing23 using an extractor.
12. Remove the O-ring14 from the pick up hole in the bearing cover3.
12.2.6 Installing seals and ball bearings OMG-052/OMG-068
Personnel qualification: o Fitter
Personal protective equipment: o Work clothing
o Protective gloves
o Safety boots
Aids: o Torque wrench
1. Insert the O-ring2 and32 into the bearing cover3 and29 and insert the O-ring14 into the pick
up hole in the bearing cover.
15
16
13
17
18
19
20
4
5
6 7
8
14
21
22
23
24
12
25
26
28
27
3
2. Press in the angular-contact ball bearings15 and25 in X-layout via the outer ring of the ball bear-
ing in the bearing cover3.
3. Place the distance ring16 onto the angular-contact ball bearing15.
4. Press the ball bearing18 over the inner ring of the ball bearing onto the measuring screw
large17.
5. Press the ball bearing23 over the inner ring of the ball bearing onto the measuring screw
small24.
4
5
6 7
8
3
9
10
11
24
17
12
13
3
1312
3
6. First screw in the threaded ring small12, then the threaded ring large13 into the bearing cover3.
Tightening torques for threaded ringsÄ Appendix,Page54.
Operating instructions
OIO 14en-GB Edition 2020-01
37