Removal And Replacement; Common - Bosch Rexroth Hägglunds DOb Installation And Maintenance Manual

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Removal and replacement

Bosch Rexroth AB, Installation and maintenance manual, Hägglunds DOb, RE 15327-WA/05.2017
11 Removal and replacement

11.1 Common

Before removing any hydraulic/electric components, disconnect the drive unit. Make
sure that the electric motor power is disconnected and locked and that no energy is
accumulated in the system. Follow instructions in chapter 2: Safety instructions
Before disassembly:
• Clean all assemblies and components.
• Take all precautions necessary to prevent dirt entering the system.
• Disassembly shall only be done by professional service personnel.
Disassembly:
• Label the parts
• Protect easily damaged parts and machined surfaces.
• Inspect all parts during disassembly for wear or damage.
• If hydraulic fluid will be drained and reused, make sure that drain containers are
clean and covered when not in use.
• Clean all metal parts with a suitable solvent and set aside on a clean and lintfree
cloth to drain.
Reassembly:
• Replace all seals, gaskets and o-rings with new items of the correct size and
lubricate with system hydraulic fluid before assembly.
• Refill hydraulic fluid according to section 8.2: Filling up the system with hydraulic
fluid