KRAL OMG Series User Manual

12 Servicing
12.2 Replacing seals and ball bearings
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12
14
13
15
16
17
18
19
20
21
22
23
24
25
26
4. Remove the circlip19 from the measuring screw large17 and remove the circlip20 from the
measuring screw small22.
5. Unscrew the socket screw26, remove the wedge lock washers25 and supporting ring24.
6. Unscrew the socket screw11, remove the wedge lock washers12 and supporting ring13.
7. Screw the socket screw11 completely back in, in order to pull the pole wheel14 from the meas-
uring screw large17 by using an extractor.
8. Remove the distance ring15 and remove the socket screw11 again.
9. Use the extractor to pull off the ball bearings16 and18 from measuring screw large17.
10. Use the extractor to pull the ball bearings23 and21 from the measuring screw small22.
12.2.4 Installing seals and ball bearings OMG-020/OMG-032
Personnel qualification: o Fitter
Personal protective equipment: o Work clothing
o Protective gloves
o Safety boots
Aids: o Torque wrench
1
2
3
4
5
6
7
8
2
1. Insert the O-ring7 into the end cover2 and insert the O-ring8 into the pick up hole in the end
cover.
2. Insert the O-ring6 into the end cover4.
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12
14
13
15
16
17
18
19
20
21
22
23
24
25
26
3. Press on the ball bearings16 and18 over the inner rings on the measuring screw large17.
4. Press on the ball bearings23 and21 over the inner ring of the ball bearing on the measuring
screw small22.
5. Slide the distance ring15 on the measuring screw large17 and press on the pole wheel14.
6. Pull the wedge lock washers12 and supporting ring13 onto the socket screw11. Ensure the cor-
rect positioning of the wedge lock washers (wedge on wedge).
7. Apply Loctite 242 to the socket screw11 and install on the measuring screw large17.
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OIO 14en-GB Edition 2020-01
Operating instructions

KRAL OMG Series Specifications

General

Brand	KRAL
Model	OMG Series
Category	Measuring Instruments
Language	English