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Bosch Rexroth AG, RE 91485-01-B/2021-11-18

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A10FZO, A10VZO, A10FZG and A10VZG series 10

| Troubleshooting

14 Troubleshooting

The Tabelle 31 is intended to support troubleshooting. This table is not exhaustive.
Issues may occur in practice that are not listed here.
Only authorized personnel may perform troubleshooting inside a safety area
designated by the machine manufacturer.

14�1 How to proceed for troubleshooting

▶ Perform troubleshooting if possible with reduced operating data

(e.g. slowly swinging in or out and slow pressure increase).

▶ Work systematically and in a targeted manner, even when pressed for time.

Random, indiscriminate removal and changing of settings could make it
impossible to determine the original cause of the fault.

▶ First get a general idea of how your product works in conjunction with the

entire system.

▶ Try to find out whether or not the product was working properly in conjunction

with the entire system before the fault occurred.

▶ Try to determine any changes to the entire system in which the product is

installed:

– Have there been any changes to the application conditions or operating range

of the product?

– Has maintenance work recently been carried out? Is there an inspection or

maintenance log?

– Have any changes (e.g. upgrades) or repairs been made to the overall system

(machine/system, electrics, control) or to the product? If yes: What changes?

– Has the hydraulic fluid been changed?

– Has the product or machine been used as intended?

– How does the malfunction appear?

▶ Try to get a clear idea of the cause of the fault. Directly ask the (machine)

operator.

▶ Document the work carried out.

▶ If the fault cannot be corrected, please refer to one of the contract addresses

at:

https://addresses.boschrexroth.com

.

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Содержание Rexroth 10 Series

Страница 1: ...Instruction manual RE 91485 01 B 2021 11 18 EN Axial piston units for variable speed drives A10FZO A10VZO A10FZG and A10VZG series 10 ...

Страница 2: ...ements concerning a certain condition or suitability for a certain application can be derived from our information The information given does not release the user from the obligation of own judgment and verification It must be remembered that our products are subject to a natural process of wear and aging The cover shows an example application The product delivered may differ from the image on the...

Страница 3: ...1 5 2 2 Functional description 22 5 3 Product identification 24 5 4 Direction of rotation and pin assignment A10FZO 24 5 5 Flow direction A10VZO 25 5 6 Flow direction A10FZG and A10VZG 25 6 Transport and storage 26 6 1 Transporting the axial piston unit 26 6 1 1 Transport by hand 27 6 1 2 Transport with lifting devices 27 6 2 Storing the axial piston unit 28 7 Installation 31 7 1 Unpacking 31 7 2 ...

Страница 4: ...ng a functional test 56 8 2 Running in phase 57 8 3 Recommissioning after standstill 57 9 Operation 58 10 Maintenance and repair 58 10 1 Cleaning and care 58 10 2 Inspection 58 10 3 Maintenance 59 10 4 Repair 59 10 5 Spare parts 60 11 Removal and replacement 61 11 1 Required tools 61 11 2 Preparing for removal 61 11 3 Performing the removal 61 11 4 Preparing the components for storage or further u...

Страница 5: ...d technical data for your axial piston unit A10FZO A10VZO A10FZG and A10VZG Order confirmation Installation drawing Contains the outer dimensions all connections and the hydraulic circuit diagram for your axial piston unit A10FZO A10VZO A10FZG and A10VZG Please request the installation drawing from your contact at Bosch Rexroth Installation drawing Axial piston units A10FZO A10VZO A10FZG and A10VZ...

Страница 6: ...nstructions are set out as follows SIGNAL WORD Type and source of danger Consequences of non compliance Danger prevention measures Warning sign draws attention to the danger Signal word identifies the degree of the danger Type and source of danger indicates the type and source of the danger Consequences describes the consequences of non compliance Precautions states how the danger can be avoided T...

Страница 7: ... only for transportation As a generic term for axial piston units for variable speed drives A10FZO A10VZO A10FZG and A10VZG the designation axial piston unit will be used hereinafter 1 3 4 Abbreviations This documentation uses the following abbreviations Tabelle 5 Abbreviations Abbreviation Meaning ANSI American National Standards Institute is an organization that coordinates the development of vo...

Страница 8: ... axial piston unit is only approved for hydrostatic variable speed drives in open and closed hydraulic circuits The A10VZG axial piston unit is only approved for hydrostatic variable speed drives in open and closed hydraulic circuits The A10FZO and A10VZO axial piston units are only approved for hydrostatic variable speed drives in open hydraulic circuits Observe the technical data the application...

Страница 9: ...ng of mechanics electricity and hydraulics as well as familiarity with associated technical terms For transporting and handling the product knowledge regarding the use of lifting devices and lifting accessories is required In order to ensure safe use these activities should only be performed by skilled personnel or an instructed person under the direction and supervision of skilled personnel Skill...

Страница 10: ...ntation e g in explosion protection areas or in safety related parts of a control system functional safety Only commission the product if it has been determined that the end product e g machinery system in which the Rexroth products are installed complies with the country specific provisions safety regulations and standards for the application Use tools appropriate for the work being performed and...

Страница 11: ...stem as back up If the axial piston unit is equipped with a pressure cut off and or pressure controller this is not an adequate safeguard against pressure overload Danger due to suspended loads Risk of death or injury or property damage Improper transportation may cause the axial piston unit to fall down and lead to injury e g crushing or fracture or damage to the product Make sure that the load b...

Страница 12: ...orm welding work when the machine system is depressurized Keep open flames and ignition sources away from the axial piston unit If axial piston units are located in the vicinity of ignition sources or powerful thermal radiators a shield must be erected to ensure any escaping hydraulic fluid cannot be ignited and to protect hose lines from premature aging Escaping hydraulic fluid due to leakage of ...

Страница 13: ...ton units depends on rotational speed working pressure and installation conditions among other factors The sound pressure level may rise above 70 dB A in certain application conditions Always wear hearing protection near a running axial piston unit Hot surfaces on axial piston unit Risk of getting burnt Allow the axial piston unit to cool down sufficiently before touching it Wear heat resistant pr...

Страница 14: ...ety goggles safety gloves suitable working clothes safety shoes Immediately seek medical attention however if hydraulic fluid gets into your eyes or blood circuit or if you swallow it accidentally Danger from improper handling Slip hazard Risk of slipping on wet surfaces when climbing on the axial piston unit Never grab or climb onto the axial piston unit Check how to safely get on top of the mach...

Страница 15: ...t can be damaged or destroyed Never operate the axial piston unit with insufficient hydraulic fluid Specifically make sure that the rotary group has sufficient lubrication When commissioning a machine system make sure that the housing area and the working lines of the axial piston unit are filled with hydraulic fluid and remain filled during operation Avoid air inclusions in the forward drive shaf...

Страница 16: ...t ingress Before commissioning ensure that all hydraulic connections are tight and that all seals and plugs of the plug in connection are correctly installed and undamaged to prevent fluids and foreign particles from entering the product Filter the hydraulic fluid when filling the system with a suitable filter system to minimize the solid particle contamination and water in the hydraulic system an...

Страница 17: ...and contamination of ground water Always place a drip tray under the axial piston unit when filling and draining hydraulic fluid Use a suitable binding agent to collect any leaked hydraulic fluid Observe the parameters in the safety data sheet for the hydraulic fluid and the specifications provided by the machine system manufacturer Danger from hot components Nearby products can be damaged Compone...

Страница 18: ... 01 B 2021 11 18 18 72 A10FZO A10VZO A10FZG and A10VZG series 10 Scope of delivery 4 Scope of delivery 2 3 4 1 1 Abb 1 Axial piston unit A10FZO 3 1 1 2 2 4 Abb 2 Axial piston unit A10VZO 2 3 4 1 1 Abb 3 Axial piston unit A10FZG ...

Страница 19: ...on unit A10VZG Included in the scope of delivery Axial piston unit as per order confirmation The following parts come assembled on the unit Protective covers 1 Protective plug threaded plugs 2 For version with through drive protective cover incl mounting bolts 3 Transport protection for the through drive 4 ...

Страница 20: ...iston rotary group in swashplate design for hydrostatic drives In axial piston units with swashplate design the pistons are arranged axially relative to the drive shaft The cylinder and drive shaft are interlocked The specific torque and flow can be changed by controlling the cradle In an open circuit the hydraulic fluid flows from the reservoir to the axial piston unit and from there it is fed to...

Страница 21: ...ributor plate 4 Pressure side 5 Suction side 6 Port plate 7 Cylinder 8 Piston 9 Slipper pad 10 Swashplate 11 Housing 2 3 5 6 7 8 9 10 12 11 13 14 4 1 Abb 6 Axial piston unit A10VZO 1 Drive shaft 2 Retaining plate 3 Opposed piston 4 Spring 5 High pressure side 6 Distributor plate 7 Pre compression volume optional 8 Suction side 9 Control valve 10 Cylinder 11 Stroking piston 12 Piston 13 Slipper pad...

Страница 22: ...8 9 10 12 11 13 14 4 Abb 8 Axial piston unit A10VZG 1 Drive shaft 2 Spring 3 Retaining plate 4 Stroking piston 5 Vg max limitation 6 High pressure side 7 Distributor plate 8 Port plate 9 Suction side 10 Cylinder 11 Piston 12 Vg min limitation 13 Slipper pad 14 Cradle 5 2 2 Functional description Torque and rotational speed are applied to the drive shaft by a drive motor The drive shaft is connecte...

Страница 23: ...isplacement The swivel angle is controlled hydraulically by means of the stroking piston The cradle is mounted in swivel bearings for smooth operation and it is kept in balance by the opposed piston Increasing the swivel angle increases the displacement reducing the angle reduces displacement accordingly The swivel angle of the cradle is infinitely variable Adjusting the swivel angle changes the p...

Страница 24: ...ower setting optional 7 Rotational speed 8 Flow setting optional 9 Pressure controller setting optional 10 Minimum displacement 11 Serial number 12 Material number of the axial piston unit 13 Type code 14 Customer material number 5 4 Direction of rotation and port assignment A10FZO Tabelle 6 Designation working port for the respective direction of rotation Direction of rotation viewed on drive sha...

Страница 25: ...otation viewed on drive shaft Direction of rotation Flow Type code R Clockwise S to B Counterclockwise1 B to S Type code L 3 Counterclockwise S to B Clockwise1 B to S 5 6 Flow direction A10FZG and A10VZG Tabelle 9 Flow direction Direction of rotation viewed on drive shaft Direction of rotation Flow Type code W Clockwise A to B Counterclockwise B to A ...

Страница 26: ...e found in the installation drawing request if necessary Height mm Depth mm Weight may vary by equipment Tabelle 11 Dimensions and weights A10VZO Size 3 to 10 18 28 45 71 100 140 180 Weight with port plate 14N00 12N00 kg 8 12 15 27 36 5 55 70 22U00 kg 47 69 73 78 07K 12K kg 10 5 14 18 28 22U kg 47 69 73 78 Width mm Dimensions vary by equipment The values applicable for your axial piston unit can b...

Страница 27: ...ues Use your personal protective equipment e g safety goggles safety gloves suitable working clothes safety shoes Do not transport the axial piston unit by sensitive assembled parts e g sensors or valves Carefully place the axial piston unit on the seating to prevent it from being damaged 6 1 2 Transport with lifting devices For transporting the axial piston unit can be connected to a lifting devi...

Страница 28: ...ing and to avoid swinging Never step or grip under suspended loads Place the lifting strap around the axial piston unit in such a way that it does not pass over assembled parts e g valves piping and that the axial piston unit is not suspended from assembled parts see Abb 11 Abb 11 Transport with lifting strap example A10VZO 6 2 Storing the axial piston unit Storage areas should be free of corrosiv...

Страница 29: ...ng term corrosion protection optional Closed dry room uniform temperature between 5 C and 20 C Undamaged and closed corrosion protection film Maximum 12 months Maximum 24 months The warranty will be voided if the requirements and storage conditions are not observed or after expiration of the max storage time see Tabelle 14 How to proceed once the max storage time elapses 1 Check the entire axial p...

Страница 30: ...xial piston unit 3 For storage times up to 12 months Moisten the inside of the axial piston unit with mineral oil and fill with approx 100 ml mineral oil For storage times up to 24 months Fill the axial piston unit with VCI 329 corrosion protection 20 ml Filling is carried out via drain port L L1 or L2 see chapters 7 5 Installing the axial piston unit Abb 27 to Abb 30 starting on page 48 4 Plug al...

Страница 31: ...ging on a level underground with sufficient load bearing capacity Only open the packaging from the top Remove the packaging from the axial piston unit Check the axial piston unit for transport damage and completeness see chapter 4 Scope of delivery on page 18 Dispose of the packaging in accordance with the regulations in your country 7 2 Installation conditions The installation position and locati...

Страница 32: ... the suction line The suction port must be supplied with air free calmed and cooled hydraulic fluid Make sure that a minimum suction pressure of 0 8 bar absolute is present at port S A or B during operation for all installation positions and installation locations of the axial piston unit see Abb 12 See data sheet for other pressure values 0 2 0 8 abs 1 2 3 0 0 1 2 1 2 1 S Abb 12 Suction pressure ...

Страница 33: ...eavy contamination Do not allow cleaning agents to enter into the hydraulic system 7 3 Installation position A10FZO A10VZO The following installation positions are permissible The pipeline routing shown illustrates the basic layout Port F is part of the external piping and must be provided on the customer side to make filling and air bleeding easier 7 3 1 Below reservoir installation standard Belo...

Страница 34: ...h 200 mm hmin Minimum required distance to reservoir bottom 100 mm SB Baffle baffle plate 7 3 2 Inside reservoir installation NOTICE Risk of damage with inside reservoir installation To prevent damage to the axial piston unit all plastic parts e g protective plugs covers except for the tamper proof caps must be removed prior to installation in the reservoir Remove all plastic parts except for the ...

Страница 35: ...ng and filling is not possible in installation positions 5 the pump must be air bled and filled in a horizontal position prior to installation With small tank sizes or unfavorable suction conditions we recommend fitting a suction pipe to suction port S A B and fitting a pipe to drain port L or L1 In this case the other drain port must be plugged The housing of the axial piston unit must be filled ...

Страница 36: ...servoir installation Installation position Air bleed Filling 4 drive shaft horizontal Via the highest available port L Automatically via the open port L or L1 due to the position under the hydraulic fluid level 5 drive shaft vertically up Via the highest available port L1 Automatically via the open port L or L1 due to the position under the hydraulic fluid level L L1 Drain port F Filling air bleed...

Страница 37: ...illed in a horizontal position prior to installation 6 7 8 L L1 F SB hs max ht min h min hES min A B SB F L L1 hs max ht min h min hES min A B SB F L L1 hs max ht min h min hES min A B 6 7 8 L F SB h s max ht min h min hES min A B SB F L hs max ht min h min hES min A B SB F L hs max ht min h min hES min A B NG3 18 NG21 63 Abb 17 Above reservoir installation A10FZO with installation position 6 8 Ta...

Страница 38: ... depth 200 mm hmin Minimum required distance to reservoir bottom 100 mm hES min Minimum height required to prevent axial piston unit from draining 25 mm hS max Maximum permissible suction height 800 mm SB Baffle baffle plate 7 4 Installation position A10FZG A10VZG The following installation positions are permissible The pipeline routing shown illustrates the basic layout 7 4 1 Below reservoir inst...

Страница 39: ...Tabelle 21 Below reservoir installation Installation position Air bleed Filling NG03 18 NG21 63 1 drive shaft horizontal F L L 2 drive shaft vertically up F L L1 3 drive shaft vertically down F L L 1 2 3 L L1 L L1 ht min SB F h min SB F ht min h min SB F L L1 ht min h min A B A B A B Abb 20 Below reservoir installation A10VZG with installation position 1 3 Tabelle 22 Below reservoir installation I...

Страница 40: ...Consult us for approval Recommended installation position 4 Because complete air bleeding and filling is not possible in installation positions 5 and 6 the pump must be air bled and filled in a horizontal position prior to installation 4 5 6 L L1 F SB hs max ht min h min hES min A B SB F L L1 hs max ht min h min hES min A B SB F L L1 hs max ht min h min hES min A B 4 5 6 L F SB h s max ht min h mi...

Страница 41: ...piston unit from draining 25 mm SB Baffle baffle plate 7 5 Installing the axial piston unit 7 5 1 Preparation 1 Check the specifications on the name plate to see you have the correct axial piston unit 2 Compare the material number and designation type code with the parameters in the order confirmation If the material number for the axial piston unit does not match the one in the order confirmation...

Страница 42: ... 5 3 General instructions Follow these general notices when installing the axial piston unit Note that certain installation positions will affect the control system Gravity dead weight and case pressure can cause minor characteristic shifts and changes in response time Torsional vibrations and speed variations may cause increased rotary angular acceleration of the rotary group of the axial piston ...

Страница 43: ...nts the formation of frictional corrosion and the associated wear 4 Transport the axial piston unit to the installation location 5 Install the coupling on the output shaft of the drive motor in accordance with the specifications provided by the coupling manufacturer Do not fasten down the axial piston unit until the coupling has been correctly installed 6 Fasten the axial piston unit at the instal...

Страница 44: ...manufactured the axial piston unit 7 5 6 Completion of assembly 1 Remove any installed transport screws CAUTION Operation with protective plugs Operating the axial piston unit with protective plugs may result in injury or damage to the axial piston unit Before commissioning remove all protective plugs and replace them with suitable pressure resistant metal threaded plugs or connect the appropriate...

Страница 45: ...t NOTICE Insufficient suction pressure Generally a minimum permissible suction pressure at port S A B is specified for axial piston pumps in all installation positions If the pressure at port S A B drops below the specified values damage may occur which may lead to the axial piston pump being damaged beyond repair Make sure the required suction pressure is maintained This is influenced by The pipi...

Страница 46: ...chine system Use suitable seals as sealing material Suction line pipe or hose The suction line should be as short and straight as possible Measure the line cross section of the suction line so the pressure at the suction port does not drop below the minimum permissible pressure Make sure the maximum suction pressure is not exceeded e g when prefilling Make sure the connections and connecting eleme...

Страница 47: ...lling them apart WARNING Leaky and bursting stud ends For fittings if a stud end that does not match the system of units kind of seal and size of the female thread is pressurized the stud end may loosen itself or even be ejected from the hole in a projectile like manner This can result in serious injury and property damage Hydraulic fluid can escape from this leakage point Use the drawings install...

Страница 48: ...0 O S Suction port standard pressure series 10 O L Drain port 2 O4 L1 Drain port 2 X4 X Pilot pressure 350 O X5 Pilot pressure 280 O MB 6 Measuring port pressure in B 350 X 1 The measuring system and thread size can be found in the installation drawing 2 Depending on the application momentary pressure peaks can occur Keep this in mind when selecting measuring devices and fittings 3 O Must be conne...

Страница 49: ...0VZG Ports1 pmax bar 2 State3 A B Working port high pressure series 350 O L Drain port 4 O4 L1 Drain port 4 X4 L2 Drain port only NG18 to 63 4 X4 X Pilot pressure 250 O 1 The measuring system and thread size can be found in the installation drawing 2 Depending on the application momentary pressure peaks can occur Keep this in mind when selecting measuring devices and fittings 3 O Must be connected...

Страница 50: ...d tightening torques of threaded plugs MV apply For values see Tabelle 29 Mounting bolts For mounting bolts with metric ISO threads according to DIN 13 and or ASME B1 1 threads we recommend checking the tightening torque in individual cases in accordance with VDI 2230 In addition to the ports specified in Tabelle 25 to Tabelle 28 Ports A10FZO A10VZO A10FZG and A10VZG on page 48 and 49 axial piston...

Страница 51: ...M12 1 5 50 Nm 25 Nm2 6 mm M14 1 5 80 Nm 35 Nm1 6 mm M16 1 5 100 Nm 50 Nm1 8 mm M18 1 5 140 Nm 60 Nm1 8 mm M22 1 5 210 Nm 80 Nm1 10 mm M26 1 5 230 Nm 120 Nm1 12 mm M27 2 330 Nm 135 Nm1 12 mm M33 2 540 Nm 225 Nm1 17 mm M42 2 720 Nm 360 Nm1 22 mm M48 2 900 Nm 400 Nm1 24 mm ISO 11926 5 16 24 UNF 2B 10 Nm 7 Nm 1 8 in 3 8 24 UNF 2B 20 Nm 10 Nm 5 32 in 7 16 20 UNF 2B 40 Nm 18 Nm 3 16 in 9 16 18 UNF 2B 80...

Страница 52: ...onnecting points with hoses or pipes to ensure they are in safe working condition For assignment between direction of rotation and flow direction see data sheet 91485 and Tabelle 7 to Tabelle 9 Flow direction starting on page 24 7 5 8 Electrically connecting the axial piston unit NOTICE Short circuit due to penetrating hydraulic fluid Fluid can penetrate the product and cause a short circuit Do no...

Страница 53: ...mounting nut 1 one turn counterclockwise 2 Turn the solenoid body 2 to the desired position 3 Re tighten the mounting nut Tightening torque of the mounting nut 5 1 Nm width across flats SW26 12kt DIN 3124 On axial piston units with a Hirschmann connector according to DIN EN 175 301 803 A ISO 4400 the following tightening torques apply when mounting plug in connectors Mounting bolt M3 3 0 5 Nm Unio...

Страница 54: ...ns and intended use detailed in chapter 2 Safety instructions on page 8 Connect the pressure gauge for the working pressure case pressure and suction pressure to the specified measuring points on the axial piston unit or in the hydraulic system to check the technical data at first operation During commissioning monitor the temperature of the hydraulic fluid in the reservoir to ensure that it lies ...

Страница 55: ... components Use a suitable filter system to filter hydraulic fluids during filling to minimize solid particle contamination and water in the hydraulic system 2 Fill and air bleed the axial piston unit via the appropriate ports see chapters 7 3 Installation position A10FZO A10VZO and Installation position A10FZG A10VZG starting on page 33 Also fill the hydraulic lines of the system NOTICE Risk of p...

Страница 56: ...S A B of the axial piston pump at nominal speed Refer to data sheet 91485 for the permissible value for A10FZO and A10FZG 6 Check the suction pressure at port S A B of the axial piston pump at nominal speed and max swivel angle Refer to data sheet 91485 for the permissible value for A10VZO and A10VZG 7 At maximum working pressure check the case pressure at the port L L1 or L2 Refer to data sheet 9...

Страница 57: ...rs The mechanical hydraulic efficiency is also greater until the running in phase of about 10 operating hours is concluded To ensure that contamination in the hydraulic system does not damage the axial piston unit Bosch Rexroth recommends the following procedure after the running in phase After the running in phase have a hydraulic fluid sample analyzed for the required cleanliness level Change th...

Страница 58: ...cal effects The jet of a high pressure cleaner may damage the seals and electrical system of the axial piston unit Do not point a high pressure cleaner at sensitive components e g shaft seal electrical connections and components For cleaning and care of the axial piston unit observe the following Check whether all seals and plug in connections are securely seated to ensure no moisture can penetrat...

Страница 59: ...The axial piston unit is low maintenance when used as intended The service life of the axial piston unit is heavily dependent on the quality of the hydraulic fluid This is why we recommend changing the hydraulic fluid at least once per year or every 2000 operating hours whichever occurs first or having it analyzed by the hydraulic fluid manufacturer or a laboratory to determine its suitability for...

Страница 60: ...ial piston unit cannot be guaranteed and the warranty will be voided The spare parts lists for axial piston units are order specific When ordering spare parts specify the material and serial number of the axial piston unit as well as the material numbers of the spare parts Address all questions regarding spare parts to your proper Bosch Rexroth Service partner or the service department of the manu...

Страница 61: ...rforming the removal Proceed as follows to remove the axial piston unit 1 Make sure you have the appropriate tools and wear personal protective equipment 2 Allow the axial piston unit to cool down until it can be removed without danger 3 For below reservoir installation before removing the axial piston unit seal the connection to the reservoir and or drain the reservoir 4 Place a drip tray under t...

Страница 62: ...t 1 Completely drain the axial piston unit 2 Dispose of the axial piston unit and packaging material in accordance with the regulations in your country 3 Dispose of the hydraulic fluid in accordance with the regulations of your country Also observe the applicable safety data sheet for the hydraulic fluid 4 Disassemble the axial piston unit into its constituent parts for proper recycling 5 For exam...

Страница 63: ...settings on the customer side should only be made using the product specific setting instructions The warranty from Bosch Rexroth only applies to the configuration as delivered The warranty will be voided if the unit is modified or extended Adjusting the setting screws will render the warranty void If you need to change the settings please contact your local contact person you can find their conta...

Страница 64: ...l idea of how your product works in conjunction with the entire system Try to find out whether or not the product was working properly in conjunction with the entire system before the fault occurred Try to determine any changes to the entire system in which the product is installed Have there been any changes to the application conditions or operating range of the product Has maintenance work rece...

Страница 65: ...ion line Drive speed too high Machine system manufacturer Reduce drive speed Wrong direction of rotation Machine system manufacturer Check correct direction of rotation see chapter 7 5 1 Preparation on page 41 Improper mounting of the axial piston unit Check the mounting of the axial piston unit according to the specifications of the machine system manufacturer observe tightening torques Improper ...

Страница 66: ...he suction line Closed circuit Insufficient suction conditions e g insufficient dimensioning of the suction line viscosity of the hydraulic fluid too high suction height too high suction pressure too low foreign particles in the suction line suction filter too small or blocked etc Machine system manufacturer Check the system e g optimize inlet conditions use suitable hydraulic fluid Fill the sucti...

Страница 67: ... conditions e g insufficient dimensioning of the suction line viscosity of the hydraulic fluid too high suction height too high suction pressure too low foreign particles in the suction line suction filter too small or blocked etc Machine system manufacturer Check the system e g optimize inlet conditions use suitable hydraulic fluid Fill the suction line with hydraulic fluid Remove foreign particl...

Страница 68: ...n filter too small or blocked etc Machine system manufacturer Check the system e g optimize inlet conditions use suitable hydraulic fluid Fill the suction line with hydraulic fluid Remove foreign particles from the suction line Check the filter system and change the filter as necessary Valve and controller vibrate Optimize the adjustment of the controller of the axial piston unit and the pressure ...

Страница 69: ...can be found in the Bosch Rexroth media directory at www boschrexroth com mediadirectory Additional information can be found in the online product catalog at A10FZO www boschrexroth com p A10FZO 1x A10VZO www boschrexroth com p A10VZO 1x A10FZG www boschrexroth com p A10FZG 1x A10VZG www boschrexroth com p A10VZG 1x Order related technical data for your axial piston unit can be found in the order ...

Страница 70: ...haft 21 22 E Eye bolt 27 F Filling 54 Flushing cycle 53 Functional description Control 23 Functional test 56 H High pressure side 21 I Identification 24 Inside reservoir installation 34 Inspection 58 Installation 31 41 Completion 44 General instructions 42 Preparation 41 With coupling 42 Installation conditions 31 Installation position Above reservoir installation 36 40 Below reservoir installatio...

Страница 71: ...ning plate 21 22 Running in phase 57 S Safety instructions 8 General 10 Product specific 11 Signal word 6 Scope of delivery 18 Slipper pad 21 22 Solenoid position Changing 53 Spare parts 60 Spring 21 Storage 26 28 Storage time 29 Stroking piston 21 22 Suction side 21 22 Symbols 6 T Technical data 69 Tightening torques 50 Tools 61 Transport 26 By hand 27 with eye bolt 27 with lifting strap 28 Trans...

Страница 72: ... den Kelterwiesen 14 72160 Horb a N Germany Tel 49 7451 92 0 info ma boschrexroth de www boschrexroth com Subject to change RE 91485 01 B 2021 11 18 Your local contact person can be found at www boschrexroth com addresses ...

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