Assembly description 13/16
RE 66133-10-R/05.2013, SB23, SB33, EHR23, EHR33, Bosch Rexroth AG
5.5 Shuttle valve repair
Fig. 10: Version for EHR23, SB23 Fig. 11: Version for EHR33, SB33
1. Disassemble the sealing elements of port Y.
2. Remove the shuttle valve from port Y.
3. Insert the shuttle valve in port Y and push it in to the stop without tilting it.
4. Assemble new sealing elements in port Y.
5. Check the distance of 0.5 mm from the flange surface of the control block
segment to the upper edge of the inserted shuttle valve.
Table 5: Shuttle valve disassembly/assembly
Control block segment Disassembly Assembly
EHR23-EM2
SB23-M
SB23-EHS
EHR33
SB33
Disassembly/assembly
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