Mts Hydraulic Power Unit Model 506-92 User Manual

Hydraulic Power Unit Product Information Manual011-770-700 FModel 506.82Model 506.92

Operation 2-2Table 2-1. Controls and IndicatorsControl/Indicator DescriptionPower On indicator* The Power On indicator lights to indicate th

Operation 2-32.2 Operation ProceduresThis section provides the local and remote operating procedures for the506.82/.92 Hydraulic Power Unit.W

Operation 2-4Remote Operationremote controlconnectorVW-G045A1. Turn the Source Remote/Local switch to Remote. Make sure thatthe remote contr

Service 3-1Section 3ServiceIntroductionThis section contains service information for the Model 506.82/.92Hydraulic Power Unit (HPU). It provi

3-2 ServiceTable 3-1. Maintenance ScheduleProcedure Interval SubsectionCheck output pressure on gage*dailyReplace high-pressure filter whenev

Service 3-33.1.1.1 High-Pressure Filter ReplacementCHANGEOKDIRT ALARMVW-GO46Replace the high-pressure filter elements whenever the DIRT ALARM

3-4 Service3.1.1.2 Low-Pressure Filter ReplacementThe low-pressure filter element requires replacement whenever hydraulicfluid in the HPU res

Service 3-53.1.2 Hydraulic FluidRegular maintenance of hydraulic fluid maximizes the service life of thesystem and its components.Daily fluid

3-6 ServiceReplacing hydraulicfluidPerform this procedure to replace the hydraulic fluid. You will need aModel 590.01 Fluid Transfer Pump or

Service 3-73.1.3 AccumulatorsFor moreinformation aboutaccumulatorsSee the Series 111 Accumulator product manual (MTS part number 115533-XX).

Copyright information © 2000 MTS Systems Corporation. All rights reserved.Trademark information MTS is a registered trademark of MTS Systems Corporati

3-8 ServiceSlow Turn-onAccumulatorPrecharge pressure of the slow turn-on accumulator (Figure 3-2) must bechecked at regular intervals. To est

Service 3-93.2 Service AdjustmentsService overviewFigure 3-3 shows the location of the service components accessed for thefollowing procedure

3-10 ServiceRefer to Figure 3-2 for the location of the components indicated in thefollowing procedure.1. Turn off the HPU.2. Make sure that

Service 3-1111. Press Pump 2 Select on the HPU Control Panel.12. Press Start to run the HPU at low pressure, then press High Pressure.13. Tu

3-12 Service3.2.2 Dual-Temperature Switch AdjustmentsDefinitionThe dual-temperature switch has two adjustment screws behind its frontprotecti

Service 3-13Water controladjustment1. Start this procedure when the temperature gage shows that thehydraulic fluid is below 90°F (32°C).2. St

3-14 Service3.2.4 Main Pump Low-Inlet Pressure Switch AdjustmentThe main pump low-inlet-pressure switch shown in the figure belowmonitors th

Service 3-153.3 Starter AssemblyThe starter assembly is located behind the starter box door. Figure 3-4shows the location of the starter asse

3-16 Service3.3.1 Abnormal HPU ShutdownMotoroverloadSudden shutdown of the HPU may be due to circuit protection elementsin the pump motor sta

Service 3-173.3.3 PLC ServiceThe programmable logic controller (PLC) in the 506.82/.92 HPU starterassembly has a fixed controller with both

Table of Contents iTable of ContentsSection 1 Introduction1.1 Functional Description...

3-18 ServiceTable 3-3. Fixed Controller Output IndicatorsOutput Indicator Ch0 Description0 Turns on to energize pump motor 1 start control re

Service 3-19Table 3-4 Fixed Controller Input Indicators (Continued)Input Indicator Ch0 Description11 Spare12 Turns off if motor overload rela

Installation 4-1Section 4InstallationIntroductionThis section provides the following installation information for the Model506.82/.92 Hydraul

Installation 4-24.1 Hydraulic ConnectionsThe pressure, return and drain connections are located on the HPUmanifold shown in Figure 4-2. Refe

Installation 4-34.2 Electrical ConnectionsThe HPU is operated from a three-phase electrical power source.Operating voltage is labeled on the

Installation 4-44.2.1 Transformer WiringOne of two types of transformers is installed in the starter assembly. Checkthe wiring configuration

Installation 4-54.2.2 Input PowerElectricalconnectionprocedureSee Figure 4-3 and perform the following procedure to make the electricalconnec

Installation 4-64.3 Cooling Water ConnectionsSpecificationsThe differential pressure required between the water inlet and outletconnections

Theory of Operation 5-1Section 5Theory of OperationThis section describes the hydraulic and electrical operation of Model506.82/.92 Hydraulic

Theory of Operation 5-2Main andsupercharge pumpsThe HPU uses two variable-volume pressure compensated main pumps,with a pressurized (superch

ii Table of ContentsSection 5 Theory of Operation5.1 Hydraulic Operation...

Theory of Operation 5-3PressureaccumulationThe pump-outlet pressure accumulator smoothes the HPU output andprovides additional hydraulic pres

Theory of Operation 5-45.2.1 ControlWhen the disconnect switch is closed, the HPU control panel Power Onindicator lights to show that electr

Theory of Operation 5-5Stop controlWhen the stop switch at PLC input 3 is pressed, the two pump motors areshut down after a one second delay.

Theory of Operation 5-6Motor overloadThermal overload sensors detect excessive current and open the normallyclosed contacts connected to the

Theory of Operation 5-7Figure 5-2. Typical Electrical Schematic

Theory of Operation 5-8Figure 5-2. Typical Electrical Schematic (Continued)

Theory of Operation 5-9Figure 5-2. Typical Electrical Schematic (Continued)

Theory of Operation 5-10Figure 5-2. Typical Electrical Schematic (Continued)

Index-1Indexabnormal shutdown 3-16accumulatorsfunctional description 1-2location 3-7maintenance 3-7seals 3-8theory of operation 5-3adjustmentslocation

Index-2schematicelectrical 5-6hydraulic 5-1service adjustmentslocation of components 3-9low-inlet pressure 3-14output pressure 3-10water control 3-13l

Introduction 1-1Section 1IntroductionDefinitionThe Model 506.82/.92 Hydraulic Power Unit (HPU) uses two variable-volume (pressure compensated

Introduction 1-21.1 Functional DescriptionFront panel controlsand indicatorsFront panel controls on the HPU include local operating controls

Introduction 1-31.2 SpecificationsCooling waterspecificationsThe required water pressure between the input and the output of the heatexchange

Introduction 1-4Table 1-2. HPU Specifications (Continued)Parameter Model 506.82B Model 506.92BSupercharge pump motor power rating 25 hp (19

Operation 2-1Section 2Operation2.1 Controls and IndicatorsFigure 2-1 and Table 2-1 identify and describe HPU controls and indicators.(These g