KRAL OMG Series - Page 40

12 Servicing
12.2 Replacing seals and ball bearings
2. Insert the O-ring4 via the hole in the middle of the bearing cover 2 in the pick up hole.
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3. Slide the circlip12 and support ring11 onto the measuring screw large13.
4. Slide the circlip21 and support ring22 onto the measuring screw small20.
5. Press on the ball bearings10, and14 over the inner ring of the ball bearing onto the measuring
screw large13.
6. Press on the ball bearings23 and19 over the inner ring of the ball bearing on the measuring
screw small20.
7. Pull the wedge lock washers25 and supporting ring24 onto the socket screw26. Observe the
layout of the wedge lock washer (wedge on wedge).
8. Apply Loctite 242 to the socket screw26 and install on the measuring screw small20. Tighten
with torque.
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1320
9. Insert the measuring screws into the bearing cover2 and install the circlips12 and21.
10. Slide the distance ring or sleeve9 on the measuring screw large13 and press on the pole
wheel8.
11. Pull the wedge lock washers6 and supporting ring7 onto the socket screw5. Ensure the correct
positioning of the wedge lock washers (wedge on wedge).
12. Apply Loctite 242 to the socket screw5 and install on the measuring screw large13. Tighten with
torque.
13. Install the support rings15 and18 as well as the circlips16 and17 on the floating bearing end.
14. Carefully insert the bearing cover2 with premounted measuring unit into the measuring hous-
ing1, tighten the socket screws27 with torque.
15. Place the bearing cover29 onto the measuring housing1 and tighten the socket screws30 with
torque.
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OIO 14en-GB Edition 2020-01
Operating instructions