Product Manual 89015
(Revision H, 9/2018)
Original Instructions
Hydraulic Amplifier
(Electrical Input)
Installation and Operation Manual
Page 1: ...Product Manual 89015 Revision H 9 2018 Original Instructions Hydraulic Amplifier Electrical Input Installation and Operation Manual...
Page 2: ...amage to the equipment Any such unauthorized modifications i constitute misuse and or negligence within the meaning of the product warranty thereby excluding warranty coverage for any resulting damage...
Page 3: ...ions 2 CHAPTER 2 INSTALLATION 6 Installation 6 CHAPTER 3 THEORY OF OPERATION 8 Introduction 8 Operation 8 CHAPTER 4 TROUBLESHOOTING 13 Introduction 13 Extend to Increase Test 15 CHAPTER 5 REPLACEMENT...
Page 4: ...fier transfer valve yield plunger 3 way valve 11 Figure 3 4 Schematic of Hydraulic Amplifier yield plunger transfer valve in closed position 12 Figure 4 1 Test Circuit for the Hydraulic Amplifier 13 F...
Page 5: ...e prime mover control system An overtemperature or overpressure shutdown device may also be needed for safety as appropriate Personal Protective Equipment The products described in this publication ma...
Page 6: ...ts caused by improper handling read and observe the precautions in Woodward manual 82715 Guide for Handling and Protection of Electronic Controls Printed Circuit Boards and Modules Follow these precau...
Page 7: ...as SEP per Article 4 3 to Pressure Equipment Equipment Directive 2014 68 EU on the Directive harmonization of the laws of the Member States relating to the making available on the market of pressure e...
Page 8: ...bstitution of components may impair suitability for Class I Division 2 or Zone 2 applications RISQUE D EXPLOSION Ne pas raccorder ni d brancher tant que l installation est sous tension sauf en cas l a...
Page 9: ...stroke of the amplifier The return spring returns the servo piston to the closed position on loss of oil pressure It also keeps the control valve in the closed position when the amplifier is not in u...
Page 10: ...rovides a means of opening the fuel or steam valve prior to start up Starting oil is used to raise the pilot valve plunger and direct supply oil to move the servo to increase When the customer specifi...
Page 11: ...Manual 89015 Hydraulic Amplifier Electrical Input Woodward 3 Figure 1 1 5 1 4 Hydraulic Amplifier with Optional Connector and Optional Output Shaft Scale...
Page 12: ...Hydraulic Amplifier Electrical Input Manual 89015 4 Woodward Figure 1 2 5 1 4 Hydraulic Amplifier Dimensions...
Page 13: ...Manual 89015 Hydraulic Amplifier Electrical Input Woodward 5 Figure 1 3 7 1 4 Hydraulic Amplifier Dimensions...
Page 14: ...th this product proper wire type and wiring practices are critical to operation Do not lift or handle the hydraulic amplifier by any conduit or connector Lift or handle the amplifier using appropriate...
Page 15: ...mplifier will be shipped without the drain seal plug See Figures 1 1 1 2 or 1 3 for installation data If the amplifier is set up for starting oil connect the starting oil port to drain for normal oper...
Page 16: ...o one side of a loading piston This hydraulic circuit maintains a constant load on the actuator linkage and always tries to rotate the output shaft in a decrease direction The loading piston cannot mo...
Page 17: ...ng spring force the magnet and plunger moves in the increase power direction This uncovers the control port and lets oil at supply pressure less the pressure drop occurring across the pilot valve into...
Page 18: ...piston to move in the increase power direction As the piston moves the end of lever 33 connected to the piston rod also moves in the same direction This lowers the pilot valve plunger until its land i...
Page 19: ...3 way valve Starting oil is directed through a 3 way valve to the starting oil port and then under the pilot valve plunger The yield plunger inside the pilot valve plunger lets the plunger move up Whe...
Page 20: ...to drain When the prime mover starts the normal supply pressure flows into the area under the head of the plunger and lifts the plunger against the opposing spring force When the pressure of the norma...
Page 21: ...g the test circuit in Figure 4 1 After flushing remove the base from the EG 3P and clean the orifice thoroughly Replace the base being sure that the base seal is in the correct position and the base i...
Page 22: ...open a large quantity of oil will be discharged from the P V bushing when the oil supply is turned on Connect the test circuit Figure 4 3 to the EG 3P actuator and turn on the oil supply Rotate the t...
Page 23: ...plifier with clean fuel oil or kerosene while cycling with test circuit To clean a plugged oil motor orifice the base of the EG 3P actuator must be removed Replace coil if open or resistance is not 28...
Page 24: ...or missing Check prime mover lubricating oil or outside oil supply system for correct operation Disconnect linkage and check operation of fuel control or steam valve Check steam valve forces in both...
Page 25: ...or missing Starting oil pressure too low Disconnect linkage and check operation and force needs of fuel control or steam valve Disassemble and clean amplifier Check oil supply for dirt Replace plunger...
Page 26: ...4 89015 17 Adjustable link slider 1 89015 18 Adjustable link spring 1 89015 19 Adjustable link 2 89015 20 Cotter pin 0 062 x 0 500 2 89015 21 Lever 1 89015 22 Soc hd cap screw 10 32 x 0 625 8 89015 2...
Page 27: ...Manual 89015 Hydraulic Amplifier Electrical Input Woodward 19 Figure 5 1a Parts for Electrically Controlled Hydraulic Amplifier sheet 1...
Page 28: ...5 16 18 x 1 1 89015 68 Spring lock washer 0 312 l D 1 89015 69 Pilot valve stop block 1 89015 70 Soc hd pipe plug 250 1 89015 71 O ring 924 l D x 0 103 1 89015 72 Plug 1 062 12 1 89015 73 O ring 0 468...
Page 29: ...Manual 89015 Hydraulic Amplifier Electrical Input Woodward 21 Figure 5 1b Parts for Electrically Controlled Hydraulic Amplifier sheet 2...
Page 30: ...D x 0 070 2 89015 128 Directional flow plug 1 89015 129 Orifice plug 0 047 dia 1 89015 130 Tapered dowel pin 2 x 1 250 2 89015 131 Soc hd cap screw 10 24 x 1 000 2 89015 132 Spring lockwasher 10 x 0...
Page 31: ...ck lever assembly 1 89015 177 Roll pin 2 89015 178 Roll pin 062 dia x 0 438 2 89015 179 Lever short 1 89015 180 Rod assembly 2 89015 181 Feedback link 1 89015 182 Feedback link pin 1 89015 183 Output...
Page 32: ...Hydraulic Amplifier Electrical Input Manual 89015 24 Woodward Figure 5 2 Parts for EG 3P Actuator...
Page 33: ...d with an equipment system should also be handled through the OEM or Packager Please review your equipment system documentation for details Woodward Business Partner Support Woodward works with and su...
Page 34: ...Service Distributor Charges for the Replacement Exchange service are based on a flat rate plus shipping expenses You are invoiced the flat rate replacement exchange charge plus a core charge at the ti...
Page 35: ...e Technical Support Product Training Field Service Technical Support is available from your equipment system supplier your local Full Service Distributor or from many of Woodward s worldwide locations...
Page 36: ...n 81 43 213 2191 Korea 82 51 636 7080 The Netherlands 31 23 5661111 Poland 48 12 295 13 00 United States 1 970 482 5811 You can also locate your nearest Woodward distributor or service facility on our...
Page 37: ...hanges in Revision H Updated Regulatory Compliance information Updated Declaration of Conformity and Declaration of Incorporation Changes in Revision G Added electrostatic discharge warnings pages v 6...
Page 38: ...Hydraulic Amplifier Electrical Input Manual 89015 30 Woodward Declarations...
Page 39: ...Manual 89015 Hydraulic Amplifier Electrical Input Woodward 31...
Page 40: ...O 80522 1519 USA 1041 Woodward Way Fort Collins CO 80524 USA Phone 1 970 482 5811 Email and Website www woodward com Woodward has company owned plants subsidiaries and branches as well as authorized d...
