Air Bleeding At Ehr Control Valves; Recommissioning After Standstill - Bosch Rexroth SB24/34 Instruction Manual

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
lowering solenoid

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.
at 50% (approx. 1.4 A) and the
at 100% (max. 3.3 A).