Related Manuals for Bosch Rexroth 70 Series
Summary of Contents for Bosch Rexroth 70 Series
- Page 1 Axial piston fixed motor A2FM/A2FE/ A2FMT Series 70 Instruction manual Replaces: 03.2015 RE 91071-01-B/06.2018 English...
- Page 2 © Bosch Rexroth AG 2018. All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights. The data specified within only serves to describe the product. No statements...
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Page 3: Table Of Contents
Installing the axial piston unit 7.4.1 Preparation 7.4.2 Dimensions 7.4.3 General instructions 7.4.4 Installation with a clutch 7.4.5 Installation on a gearbox 7.4.6 Completing installation 7.4.7 Hydraulically connecting the axial piston unit Performing flushing cycle RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... - Page 4 11.1 Required tools 11.2 Preparing for removal 11.3 Removal 11.4 Preparing the components for storage or further use Disposal Extension and conversion Troubleshooting 14.1 How to troubleshoot 14.2 Malfunction table Technical data Alphabetical index Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018...
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Page 5: About This Manual
Manual Contains additional information on the use of Rexroth axial piston units at low temperatures. Storage and preservation of axial piston units 90312 Data sheet Contains additional information on storage and preservation. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 6: Representation Of Information
If this information is disregarded, the product cannot be used and/or operated to its full extent. ▶ Single, independent action Numbered instruction: The numbers indicate that the actions must be completed in order. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... -
Page 7: Designations
Japan Industrial Standard Rexroth document in the English language VDI 2230 Standard for systematically calculating heavy-duty threaded connections and cylindrical screwed connections from the VDI (Verein Deutscher Ingenieure – Association of German Engineers) RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 8: Safety Instructions
2.3 Improper use Any use other than that described as intended use is considered improper. Bosch Rexroth AG is not liable for damages resulting from improper use. The user is solely responsible for any risks arising from improper use. The following foreseeable misuses are also considered improper (this list is not exhaustive): •... -
Page 9: Personnel Qualifications
• In particular, fully understanding the relationships with regard to safety devices • Understanding how hydraulic components work and are put together Bosch Rexroth offers training support for specialized fields. An overview of the training contents can be found online at: www.boschrexroth.com/training. -
Page 10: General Safety Instructions
• There is a risk of entanglement when operating the axial piston unit with a bare shaft end. Check whether or not your machine requires additional safety measures for your application. If necessary, make sure that these are properly implemented. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... -
Page 11: Product-Specific Safety Instructions
Operating the unit above the maximum permissible pressure can cause components to burst and hydraulic fluid to escape under high pressure. ▶ Changes to the factory settings should only be made by Bosch Rexroth specialists. ▶ In addition, a pressure relief valve is required in the hydraulic system as a back- up. - Page 12 Always lay cables and lines in such a way that no one can trip over them, that they do not become kinked or twisted, do not rub on edges and do not run without adequate protection through sharp-edged ducts. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018...
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Page 13: Personal Protective Equipment
2.7 Personal protective equipment Personal protective equipment is the responsibility of the user of the axial piston unit. Observe the safety regulations in your country. All pieces of personal protective equipment should be intact. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 14: General Notices Regarding Property And Product Damage
Before installation, remove all fluids from the axial piston unit to prevent mixing with the hydraulic fluid used in the machine/system. ▶ Never mix hydraulic fluids from different manufacturers or different types from the same manufacturer. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... - Page 15 Hydraulic fluid can escape if leaks occur. ▶ Take appropriate steps to protect the axial piston unit from chemical or corrosive environmental conditions. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG...
- Page 16 The warranty only applies to the machine as delivered. The warranty will be voided if the product is incorrectly installed, commissioned or operated, or if it is used or handled improperly. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018...
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Page 17: Scope Of Delivery
Fig. 1: Axial piston unit The scope of delivery includes the following: • Axial piston unit as per order confirmation The following parts come assembled on the unit: • Protective covers (1) • Protective/threaded plugs (2) RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 18: About This Product
5.2.1 Axial piston unit layout Fig. 2: Series 70 A2FM layout 1 Drive shaft 3 Cylinder 5 Working ports 2 Piston 4 Control plate 6 Drive shaft flange Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... -
Page 19: Functional Description
4 Designated area for inspection stamp 10 Material number of the axial piston unit 5 Direction of rotation (viewed on drive 11 Type code shaft) – here: bi-directional 12 Customer material number 6 Weight (optional) RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 20: Transport And Storage
Size Weight Width Dimensions vary by equipment. The values applicable for your axial piston unit can be found in the installation drawing (request if necessary). Height Depth Weight may vary by equipment. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... -
Page 21: Transporting By Hand
Make sure that the eye bolt can bear the total weight of the axial piston unit plus 20%. You can lift the axial piston unit as shown in Fig. 4 with the eye bolt screwed into the drive shaft. Fig. 4: Installing the eye bolt RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 22: Storing The Axial Piston Unit
• Do not store the axial piston unit on the drive shaft or on assembled parts, e.g. sensors or valves. • For further storage conditions, see Table 10. ▶ Check the axial piston unit monthly to ensure proper storage. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... - Page 23 Once the max. storage time has elapsed, we recommend that you have the axial piston unit inspected by your Bosch Rexroth service partner. For questions regarding repair and spare parts, contact your proper Bosch Rexroth service partner or the service department of the factory that manufactured the axial piston unit, see chapter 10.5 “Spare parts”...
- Page 24 Package the axial piston unit with desiccant in corrosion protection film so it is airtight. Store the axial piston unit in a shock-proof manner; see “Requirements” on page 22 in this chapter. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018...
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Page 25: Installation
▶ Direct the leakage in the housing area to the reservoir through the highest drain port. Use a line size appropriate for the port. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 26: Installation Position
Fig. 6: A2FM below-reservoir installation with installation positions 1–4 Highest drain port Min. required distance to reservoir bottom (100 mm) Min. required immersion depth (200 mm) t min Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... -
Page 27: Above-Reservoir Installation
(100 mm) Table 12: Above-reservoir installation Installation position Air bleed Filling 5 (drive shaft horizontal) – 6 (drive shaft horizontal) – 7 (drive shaft down) – 8 (drive shaft up) RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 28: Installing The Axial Piston Unit
The installation drawing contains the dimensions for all connections and ports on the axial piston unit. Also observe the manuals provided by the manufacturers of the other hydraulic components when selecting the required tools. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... -
Page 29: General Instructions
Fasten the axial piston unit at the installation location. Align the drive shaft of the axial piston unit and the drive shaft of the machine so that there is no angular deviation. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 30: Installation On A Gearbox
They are not pressure-resistant and have to be removed prior to connection. Use a suitable tool for this to prevent damage to the sealing and functional surfaces. If sealing or functional surfaces are damaged, contact your Bosch Rexroth service partner or the service department of the factory that manufactured the axial piston unit. -
Page 31: Hydraulically Connecting The Axial Piston Unit
(pressure, flow, hydraulic fluid, temperature) with the necessary safety factors. Connect only hydraulic lines that are appropriate for the axial piston unit port (pressure level, size, system of units). RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... - Page 32 Make sure the right fittings, mounting bolts and threaded plugs are installed. ▶ For all female threads, use a stud end from the same system of units and of the correct size. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018...
- Page 33 (see table Table 13). Table 13: Mounting bolt tightening torques Thread Property class Tightening torque M6 x 1 (tacking screw) 10.9 15.5 Nm M10 x 1.5 10.9 75 Nm M12 x 1.75 10.9 130 Nm RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG...
- Page 34 DIN 13 fastening thread For DIN 13 mounting bolts, we recommend checking the tightening torque on a case-by-case basis according to VDI 2230 Edition 2003. Min. required thread reach 1 x Ø of thread Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018...
- Page 35 Port overview Fig. 12: A2FM port overview, lateral SAE working ports Fig. 13: A2FE port overview, lateral SAE working ports Fig. 14: A2FM port overview, bottom SAE working ports and pressure relief valve RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG...
- Page 36 For mounting bolts with metric ISO threads as defined in DIN 13 or threads defined in ASME B1.1, we recommend checking the tightening torque on a case-by-case basis in accordance with VDI 2230. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018...
- Page 37 The tightening torques for the threaded plugs apply when the plugs are dry – when lightly oiled, the tightening torques for M10 × 1 are reduced to 10 Nm and to 17 Nm for M12 × 1.5. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG...
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Page 38: Performing Flushing Cycle
B to A 7.5 Performing flushing cycle In order to remove foreign particles from the system, Bosch Rexroth recommends a flushing cycle for the entire system before initial commissioning. To avoid internal contamination, do not include the axial piston unit in the flushing cycle. -
Page 39: Commissioning
▶ During commissioning, monitor the temperature of the hydraulic fluid in the reservoir to ensure that it lies within permissible viscosity limits. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 40: Filling The Axial Piston Unit
Use only a hydraulic fluid that conforms to the following requirements: You can find details of the min. requirements on hydraulic fluids in Bosch Rexroth data sheets 90220 and 90221. The titles of the data sheets can be found in Table 1 “Required and supplementary documentation”... -
Page 41: Testing The Hydraulic Fluid Supply
▶ Perform a leak test without and with load prior to normal operation. ▶ If necessary, disconnect the pressure gauge and plug the ports with the specified threaded plugs. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 42: Running-In Phase
To ensure that contamination in the hydraulic system does not damage the axial piston unit, Bosch Rexroth recommends the following after the running-in phase: ▶ After the running-in phase, have a hydraulic fluid sample analyzed for the required cleanliness level. -
Page 43: Operation
Use the product only within the performance range specified in the technical data. The machine/system manufacturer is responsible for the proper planning of the hydraulic system and its control system. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 44: Maintenance And Repair
Use only water and, if necessary, a mild cleaning agent to clean the axial piston unit. Never use solvents or corrosive cleaning agents. ▶ Remove major external contamination and keep clean sensitive and important components, such as solenoids, valves, displays and sensors. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... -
Page 45: Inspection
Maintenance and repair 45/56 10.2 Inspection In order for the axial piston unit to be reliable and long-lasting, Bosch Rexroth recommends inspecting the hydraulic system and axial piston unit on a regular basis, and documenting and archiving the following operating conditions:... -
Page 46: Repair
46/56 Maintenance and repair 10.4 Repair Bosch Rexroth offers a comprehensive range of services for the repair of Rexroth axial piston units. Repairs on the axial piston unit and its assembled parts should only be performed by service centers certified by Bosch Rexroth. -
Page 47: Removal And Replacement
Remove the axial piston unit. Use a suitable lifting device. Completely drain the axial piston unit. 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 22. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 48: Disposal
13 Extension and conversion Do not modify the axial piston unit or its assembled parts. The warranty from Bosch Rexroth only applies to the delivered product configuration. The warranty will be voided if the unit is modified or extended. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... -
Page 49: Troubleshooting
Try to get a clear idea of the cause of the fault. Directly ask the (machine) operator. ▶ Document the work carried out. ▶ If you cannot rectify the fault, get in touch with one of the contact addresses found at: www.boschrexroth.com/addresses. RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG... -
Page 50: Malfunction Table
Replace hydraulic pump pump Contact Bosch Rexroth Service Wrong direction of rotation Check function of the hydraulic pump Machine/system manufacturer: check correct direction of rotation; see chapter 7.4.1 “Preparation” on page 28 Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... - Page 51 Contact Bosch Rexroth Service Contact machine/system manufacturer Axial piston unit worn Replace axial piston unit, contact Bosch Rexroth Service RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG...
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Page 52: Technical Data
The data sheet can be found online at www.boschrexroth.com/mediadirectory You can find further information in the Mobile Hydraulics online product catalog: www.boschrexroth.com/axial-piston-motors Order-related technical data for your axial piston unit can be found in the order confirmation. Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... - Page 53 53/56 RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG...
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Page 54: Alphabetical Index
– General ▶ E Eye bolt ▶ O Operation ▶ F Filling ▶ P Flushing cycle Performance description Functional description Piston – Motor function Port overview Functional test Product description Property damage Bosch Rexroth AG, A2FM/A2FE/A2FMT Series 70, RE 91071-01-B/06.2018... - Page 55 Technical data Tightening torques Tool Transportation – By hand – With eye bolt – With lifting strap Transporting Transport protection Troubleshooting ▶ U Unpacking ▶ w Warranty 16, 31, 48 Weight Working port RE 91071-01-B/06.2018, A2FM/A2FE/A2FMT Series 70, Bosch Rexroth AG...
- Page 56 Bosch Rexroth AG Glockeraustraße 4 89275 Elchingen Germany Phone: +49 7308 82-0 info.ma@boschrexroth.de www.boschrexroth.com Your local contact person can be found at: www.boschrexroth.com/addresses Subject to change Printed in Germany RE 91071-01-B/06.2018...