24/40 Bosch Rexroth AG A4VG Series 40 | RE 92004-01-S031/08.2015
Valves
7.3 Seal/replace pressure cut-off
The section describes how you seal/replace the pressure cut-off.
Fig. 13: Pressure cut-off
1 Pump case
2 O-ring
3 Pressure cut-off
4 Sleeve
5 Control piston
6 Spring disc
7 Pressure spring
8 Threaded plug
9 SEAL LOCK sealing nut
10 Adjusting screw
11 Protective caps
To replace the valve seal and pressure cut-off:
When replacing the SEAL LOCK sealing nut on the valve, re-insert the yellow
protective cap.
1. Loosen the pressure cut-off (3) and screw the pressure cut-off (3) out of the
pump case (1).
2. Check the O-ring and O-ring groove for damage, wear or contaminants.
3. Exchange the O-Ring (2) for a new one.
4. Check the pressure cut-off for damage, wear and contaminants.
5. Exchange the pressure cut-off (3) for a new one.
6. Screw the pressure cut-off (3) into the pump case (1).
7. Tighten the pressure cut-off with 60 Nm.
Procedure
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