Bosch Rexroth SB24/34 - 8.4 Recommissioning after Standstill

66/78 Commissioning
Bosch Rexroth AG, Control block SB24/34, RE 66170-B/2019-05-15
8.3.4 Air bleeding at EHR control valves
The hydraulic fluid flow via portsP and R must be applied.
1. Close working portA1.
2. Connect control valves with external return flow portR1 to the tank.
3. Apply a hydraulic fluid flow through the directional valve for at least 20seconds
and alternatively actuate lifting solenoid
at 50% (approx. 1.4A) and the
lowering solenoid
at 100% (max. 3.3A).
8.4 Recommissioning after standstill
Recommissioning is necessary if the control block/control block segments
• have been decommissioned for more than 12months
• have been disassembled
• have been repaired
• have been drained from hydraulic fluid or if hydraulic fluid was changed.
▶ For recommissioning, proceed as described in chapter8.2 "Initial commissioning"
on page63.