Demounting And Replacement; Required Tools; Preparing Demounting; Demounting - Bosch Rexroth 4WRPD Operating Instructions Manual

11 Demounting and replacement

11.1 Required tools

No special tools are required for demounting.

11.2 Preparing demounting

Risk of injury by demounting parts under pressure and electric voltage!
If you do not de-pressurize and de-energize the system before starting
demounting, you may get injured and the product or system parts may be
damaged!
▶ Decommission the entire system as described in the general instructions for
the system.
▶ The system and all connected components must be brought to a safe state. In
addition, the components must be switched off, de-pressurized, de-energized
and secured against restarting.
Incompletely mounted valve parts falling down!
Incompletely demounted valve components may fall down and cause injuries.
▶ During disassembly, secure the valve against falling.

11.3 Demounting

Have sufficiently dimensioned collecting containers, non-linting cloth and
medium-binding materials ready in order to collect or bind leaking hydraulic
fluid.
1. Disconnect your system from the power supply and depressurize it.
2. Unload hydraulic accumulators, if provided.
Before carrying out any demounting work, switch your system off, disconnect it
3.
from the power supply and secure the system against restarting.
4. Make sure that the surroundings are clean for demounting.
5. Prepare a container or a pan for collecting the leaking hydraulic fluid.
6. Only use suitable tools to loosen the mounting screws of the valve.
Remove the mounting screws and remove the valve from the valve contact
7.
surface.
8. Collect the escaping hydraulic fluid in the provided container and dispose of it
properly.
9. Lift the valve from the installation position.
10. If the valve is to be returned to the manufacturer for repair, close the valve
connection surface using the protective plate supplied or protect it using
equivalent packaging in order to avoid contamination and damage.
11. Plug the subplate in order to avoid contamination of your system.
RE 29391-B/05.2021; 4WRPD(H), 4WRPQ(H), 4WRPF(H), 4WRLD, 4WRLF, 4WRLQ, 5WRPF10, 5WRPQ10, Bosch Rexroth AG
Demounting and replacement
WARNING
CAUTION
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