11
Disassembly and Replacement
11.1
Disassembly
11.1.1
Preparing for Disassembly
Decommission the machinery as described in
●
Do not work on running or unsecured systems.
●
Before starting to work, secure the machine against unforeseeable
movements and against operation by unauthorized persons.
●
Allow the DRn system to cool down before starting to work.
●
Do not work on hot surfaces.
11.1.2
Disassembling the Hydraulic Product
1. Before you start working, ensure that the system is depressurized.
2. Wait until the discharge time of the electric components has expired
(discharge time: see the warning at the component; Rexroth IndraDrive
drive controllers: discharge time = 30 minutes).
3. Disconnect all electrical connections.
4. Shut off the suction port of the motor-pump unit. In doing so, observe
the instructions regarding the entire system.
5. Secure the system components and supply lines against falling or
movements, before unfastening the mechanical connections.
6. Disconnect the piping on the pressure side.
7. If any residual oil escapes, catch it immediately using a suitable contain‐
er, e.g. an oil tray.
8. Disassemble the system component as described in the documentation
of the component.
11.2
Drive Controller
See documentation of the component:
Title
Material number
Documentation type
Rexroth Frequency Converter EFC 3610 / EFC 5610 Series
R912005856
Quick Start Guide
Rexroth Frequency Converter EFC 3610 / EFC 5610 Series
R912005854
Operating Instructions
Tab. 11-1:
Documentation, EFC 5610
Bosch Rexroth AG
DOK-SYTROX-DRN5020****-IT05-EN-P
120/143
Frequency-Controlled Pump Drive System Sytronix DRn 5020
Disassembly and Replacement