Bosch Rexroth 4WRLE 4 Series, Руководство по эксплуатации

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Disassembly and replacement 35/44
RE 29118-B/09.2021; 4WRPEH6_3X, 4WRPEH10_3X, 4WRPE6_3X, 4WRPE10_3X, 4WRLE_4X; Bosch Rexroth AG
Correcting leakage at the mounting surface
▶ Remove the safety valve, see chapter 11 "Disassembly and replacement".
▶ Check the seal ring recesses on the connection surface for cleanliness and
intactness.
▶ Dry the component connection surface and the component contact surface using
suitable cleaning materials.
▶ Install new seals.
▶ Re-assemble the valve at the contact surface, see chapter 7 "Assembly".
11 Disassembly and replacement
11.1 Required tools
No special tools are required for disassembly.
11.2 Preparing disassembly
WARNING
Risk of injury when disassembling under pressure and with electrical voltage
applied!
If you do not de-pressurize and de-energize the system prior to the start of
disassembly, you may get injured and the product or system parts may be damaged!
▶ Decommission the overall system as described in the overall system instructions.
▶ The system and all connected components must be brought into a safe state.
In addition, the components must be switched off, depressurized, de-energized
and secured against restarting.
CAUTION
Incompletely mounted valve components falling down!
Incompletely disassembled valve components may fall down and cause injuries.
▶ During disassembly, secure the valve against falling.
11.3 Disassembly process
Have sufficiently dimensioned collecting containers, non-linting cloth and
medium-binding materials ready in order to collect or bind leaking hydraulic fluid.
1. De-energize and depressurize your system.
2. Unload the hydraulic accumulators, if applicable.