FLENDER RUPER RBS, Assembly And Operating Instructions Manual, Page: 51 / 78

Servicing
8.4 Removing coupling part 1 (1) or 3 (3)
M3602-01en Edition 09/2022 51
2. Remove the buffers (5). For further information, refer to section Replacing wearing parts
(Page 44).
3. Use a suitable pulling fixture.
4. Secure the coupling part 1 (1) or 3 (3) and the pulling fixture in position to prevent them
from falling.
5. Remove the screw plugs (101) or (301) from the oil channels.
6. Deaerate an oil pump and connect it to the oil channel in the centre.
7. Pressurise the oil pump to the pressure specified in the dimension drawing until oil starts
to escape from the adjacent connections or the front faces. Keep the pressure constant.
8. Deaerate the next oil pump and connect it to the adjacent oil channel.
9. Repeat steps 7 and 8 on the remaining oil channels.
10.If so much oil escapes when pressure is applied that the pump cannot maintain the pres-
sure, use a higher-viscosity oil.
11.Pressurise the hydraulic cylinder if oil escapes from both front faces as a closed oil ring.
Make sure that the coupling part 1 (1) or 3 (3) is pulled immediately off the shaft in a
swift, smooth movement.
NOTICE
Removal in several strokes
If several strokes of the hydraulic cylinder are required to remove the part, make sure that
the shaft end is positioned between two oil channels at the end of the stroke.
12.Dismantle the oil pumps and the pulling fixture from the coupling part 1 (1) or 3 (3).
13.Check the hub bore and the shaft for damage and protect them against corrosion.
14.Replace damaged parts.
When reinstalling the coupling parts please observe the information in chapters Assembly
(Page 25) and Commissioning (Page 35).