Removal And Replacement; Required Tools; Preparing For Removal; Performing Removal - Bosch REXROTH A4 Series Instruction Manual

11 Removal and replacement

11.1 Required tools

Removal can be performed using standard tools. No special tools are necessary.

11.2 Preparing for removal

1.
Decommission the entire system as described in the instruction manual for the
machine or system.
– Relieve pressure in the hydraulic system according to the instructions of the
machine or system manufacturer.
– Make sure that the relevant system components are not under pressure or
voltage.
2. Secure the complete system against being re-energized.

11.3 Performing removal

Proceed as follows to remove the axial piston unit:
1.
Make sure you have the appropriate tools and wear personal protective
equipment.
2. Check whether the hydraulic system is depressurized.
3. Allow the axial piston unit to cool down until it can be removed without danger.
4. For below-reservoir installation, before removing the axial piston unit from the
complete system, seal the connection to the reservoir or drain the reservoir.
5. Place a drip tray under the axial piston unit to collect any hydraulic fluid that
may leak.
6.
Loosen the lines and collect the escaping hydraulic fluid in the drip tray.
7. Remove the axial piston unit. Use a suitable lifting device.
8. Completely drain the axial piston unit of hydraulic fluid.
9. Plug all openings.

11.4 Preparing the components for storage or further use

▶ Proceed as described in Chapter 6.2 "Storing the axial piston unit" on page 38.
RE 92076-01-B/10.2017, A4... with HS5E pilot control valve/Series 3x, Bosch Rexroth AG
Removal and replacement 85/104