Bosch Rexroth MCR 31 Series User manual

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Instruction manual
RE 15215-01-B/11.2015
Replaces: 08.09
English
Radial piston motor
MCR
Series 30, 31, 32, 33 and 41

The data specified below serves to describe
the product. Where information refers to
use this refers to an example application
only. Information from the catalog are not
guaranteed properties. The information given
does not absolve the user from the obligation
of own judgment and verification. Our products
are subject to a natural wear and aging
process.
© This document, as well as the data,
specifications and other information set forth in
it, are the exclusive property of Bosch Rexroth
AG. It may not be reproduced or given to third
parties without its consent.
The cover shows an example application. The
product delivered may differ from the image on
the cover.
The original instruction manual was created in
the English language.

RE 15215-01-B/11.2015, MCR Series 30, 31, 32, 33 and 41, Bosch Rexroth AG
3/56Contents
1 About this manual 5
1.1 Validity of the documentation 5
1.2 Required and supplementary documentation 5
1.3 Display of information 6
1.3.1 Safety instructions 6
1.3.2 Symbols 6
1.3.3 Designations 7
1.3.4 Abbreviations 7
2 Safety instructions 8
2.1 About this chapter 8
2.2 Intended use 8
2.3 Improper use 8
2.4 Personnel qualifications 9
2.5 General safety instructions 9
2.6 Product-specific safety instructions 10
2.7 Personal protective equipment 12
3 General instructions on damage to equipment and the product 13
4 Delivery contents 15
5 About this product 16
5.1 Performance description 16
5.2 Product description 16
5.2.1 Section of the radial piston motor 16
5.2.2 Functional description 17
5.3 Product identification 22
5.4 Product variants 23
6 Transport and storage 24
6.1 Transporting the radial piston motor 24
6.1.1 Transporting by hand 25
6.1.2 Transporting with lifting device 25
6.2 Storing the radial piston motor 27
7 Installation 28
7.1 Unpacking 28
7.2 Installation conditions 28
7.3 Installation position 29
7.3.1 Below-reservoir installation (standard) 29
7.3.2 Above-reservoir installation 30
7.4 Installing the radial piston motor 31
7.4.1 Preparation 31
7.4.2 Dimensions 31
7.4.3 General instructions 31
7.4.4 Connection to the output shaft 32
7.4.5 Assembly of the speed sensor 33
7.4.6 Completing installation 34
7.4.7 Hydraulically connecting the radial piston motor 35
7.5 Peforming flushing cycle 37
Contents

4/56
Bosch Rexroth AG, MCR Series 30, 31, 32, 33 and 41, RE 15215-01-B/11.2015
Contents
8 Commissioning 38
8.1 First commissioning 38
8.1.1 Filling the radial piston motor 39
8.1.2 Testing the hydraulic fluid supply 40
8.1.3 Performing functional test 40
8.2 Running-in phase 41
8.3 Recommissioning after standstill 41
8.4 Final checks 42
9 Operation 43
9.1 Manual brake release in case of emergency 44
10 Maintenance and repair 45
10.1 Cleaning and care 45
10.2 Inspection 45
10.3 Maintenance 46
10.4 Repair 47
10.5 Spare parts 47
11 Removal and replacement 48
11.1 Required tools 48
11.2 Preparing for removal 48
11.3 Removing the radial piston motor 48
11.4 Preparing the components for storage or further use 48
12 Disposal 49
13 Modification and adjustments 49
14 Troubleshooting 50
14.1 How to proceed for troubleshooting 50
14.2 Malfunction table 51
15 Technical data 55

About this manual 5/56
RE 15215-01-B/11.2015, MCR Series 30, 31, 32, 33 and 41, Bosch Rexroth AG
1 About this manual
1.1 Validity of the documentation
This documentation applies to the following products:
•Radial piston motor MCR Series 30, 31, 32, 33 and 41
This documentation is intended for machine/system manufacturers, fitters and
service technicians.
This documentation contains important information on the safe and appropriate
transport, installation, commissioning, operation, maintenance, removal and simple
troubleshooting of the radial piston motor.
▶ Read this documentation completely and in particular the chapter2 "Safety
instructions" on page8 and chapter3 "General instructions on damage to
equipment and the product" on page13 before you start work with the radial
piston motor.
1.2 Required and supplementary documentation
▶ Only commission the radial piston motor if the documentation marked with the
book symbol is available to you and you have understood and observed it.
Table 1: Required and supplementary documentation
Title Document number Document type
Installation drawing
Contains the outer dimensions, all connections and the hydraulic schematic for
the MCR radial piston motor.
Please request the
installation drawing
via your contact
person at Bosch
Rexroth.
Installation drawing
Radial piston motor for wheel drives MCR-F
Radial piston motor for heavy duty wheel drives MCR-W
Radial piston motor for frame integrated drives MCR-A
Radial piston motor for integrated drives MCR-H
Radial piston motor for track drives MCR-T
Radial piston motor for hydraulic drive assist MCR-R, series 32
Radial piston motor for hydraulic drive assist MCR-R, series 41
Radial piston motor for compact drives MCR-C
Radial piston motor for industrial applications MCR-D / MCR-E
Contain the permissible technical data.
15198
15200
15195
15199
15221
15222
15223
15197
15196
Data sheets
Mineral-oil based hydraulic fluid and related hydrocarbons
Describes the requirements on a mineral-oil based hydraulic fluid and related
hydrocarbons for the operation with Rexroth hydraulic components, and assists
you in selecting a hydraulic fluid for your hydraulic system.
90220 Data sheet
Environmentally acceptable hydraulic fluids
Describes the requirements on an environmentally acceptable hydraulic fluid
for operation with Rexroth hydraulic components and assists you in selecting
a hydraulic fluid for your hydraulic system.
90221 Data sheet
Instructions on the Use of Radial Piston Motors at Low Temperatures
Contains additional information on the use of Rexroth radial piston motors at low
temperatures.
90321 Data sheet