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Woodward PG-EG User Manual

Woodward PG-EG
37 pages
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Product Manual 36637
(Revision G, 8/2014)
Original Instructions
PG-EG
Integral EG Actuator for PG Governors
Installation and Operation Manual

Table of Contents

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Woodward PG-EG Specifications

General IconGeneral
BrandWoodward
ModelPG-EG
CategoryController
LanguageEnglish

Summary

Safety and Precautions

General Precautions

Safety rules for installation, operation, and servicing of the equipment. Relevance: 0.85

Proper Use of Equipment

Guidelines for using equipment within specified limits to avoid damage. Relevance: 0.85

Document Information

Revision and Translation Notes

Information on document revisions and translated publications. Relevance: 0.30

Regulatory Compliance

European Compliance Standards

Compliance with EU directives like Machinery Directive 2006/42/EC. Relevance: 0.40

Special Conditions for Safe Use

Field wiring must be suitable for at least 95 °C. Relevance: 0.40

Warnings and Notices

Important Definitions

Definitions of safety alert symbols like DANGER, WARNING, CAUTION, NOTICE. Relevance: 0.20

Overspeed/Overtemperature/Overpressure Warning

Prime mover requires independent overspeed shutdown device. Relevance: 0.85

Personal Protective Equipment (PPE)

Requirement to wear appropriate PPE for potential hazards. Relevance: 0.75

Start-up Emergency Shutdown

Preparedness for emergency shutdown during start-up. Relevance: 0.80

Automotive Application Safety

Safety considerations for mobile applications and supervisory control. Relevance: 0.60

Electrostatic Discharge Awareness

Battery Charging Device Precautions

Turn off charging device before disconnecting battery. Relevance: 0.30

General Electrostatic Precautions

Handling sensitive electronic parts to prevent damage. Relevance: 0.65

General Information

Introduction to EG Actuator

Manual covers Woodward Integral EG Actuator for PG governors. Relevance: 0.40

Product Description

EG actuator is electro-hydraulically controlled, accepts 0-200 mA signal. Relevance: 0.40

Reverse or Direct Acting

Explains direct-acting (increasing fuel) and reverse-acting (decreasing fuel). Relevance: 0.50

Vibration Resistance

EG actuator is resistant to vibration due to mass-stabilized torque motor. Relevance: 0.45

Installation

Introduction to Installation

Covers receiving, storage, and installation requirements. Relevance: 0.40

Initial Operation

Steps before initial operation, checking installation and linkages. Relevance: 0.65

Receiving the Governor

Governor shipped on wooden platform, drained of oil, no internal cleaning needed. Relevance: 0.45

Storage Guidelines

Store in vertical position, fill with oil for extended storage. Relevance: 0.40

Mounting Requirements

Use gasket, ensure square mounting, no shaft binding. Relevance: 0.60

Linkage Setup

Align linkage to prevent binding, adjust angular position per specs. Relevance: 0.55

Electrical and Hydraulic Connections

Connect pneumatic, hydraulic, and electrical systems per figures. Relevance: 0.60

Clearances

Allow clearance for linkage, oil filling, and cover removal. Relevance: 0.35

Governor Oil Specifications

Oil must have lubricating, hydraulic properties, compatible seals, specific viscosity. Relevance: 0.50

Governor Oil Problems

Potential issues like wear, seizure, oxidation due to oil quality or level. Relevance: 0.45

Governor Oil Service

Procedures for replacing oil, flushing, and filling the governor. Relevance: 0.55

Principles of Operation

Flapper Nozzle System

Hydraulic amplifier converting torque motor position to servo position. Relevance: 0.60

Torque-motor System

Electromagnetic coil and beam system that controls pilot valve. Relevance: 0.60

Direct and Reverse Acting Explained

How spring settings and wiring determine direct/reverse action. Relevance: 0.55

Operation and Adjustments

Introduction to Operation

Start-up adjustments for PGA-EG/PGG-EG can be complex. Relevance: 0.40

Centering Adjustment

Critical adjustment for torque motor/pilot valve, requires special tools. Relevance: 0.70

Anti-rotation Device Adjustment

Adjusting plate for perpendicularity to guide pin. Relevance: 0.65

Mode Select Valve and Indicating Switch

Describes switches and mounting locations for mode indication. Relevance: 0.60

Mode Select Block Operation

Using the mode select block for EG or PG mode. Relevance: 0.50

Mode Select Valve Functionality

How the valve selects mechanical (PG) or electrical (EG) control. Relevance: 0.65

Maintenance

Mode Select Valve Maintenance

Minimal maintenance; replace O-rings for leaks. Relevance: 0.40

Applications

Actuator Application Scenarios

How EG/PG hydraulics select fuel output; reverse-acting setup for fail-safe. Relevance: 0.50

Product Support and Service Options

Product Support Options

Options for installation problems or unsatisfactory performance. Relevance: 0.55

Product Service Options

Available services like replacement/exchange, flat rate repair. Relevance: 0.55

Returning Equipment for Repair

Contact distributor for return authorization and shipping. Relevance: 0.60

Packing a Control for Return

Guidelines for packing controls to prevent damage during shipping. Relevance: 0.50

Replacement Parts Ordering

Information needed when ordering replacement parts. Relevance: 0.55

Engineering Services Overview

Services offered by Woodward distributors like technical support, training. Relevance: 0.55

Contacting Woodward Support

How to find nearest distributor or service facility. Relevance: 0.50

Technical Assistance Information

Required information for contacting technical support. Relevance: 0.65

Revision History

Changes in Revision G

Updated Declaration of Incorporation. Relevance: 0.25

Changes in Revision F

Added regulatory compliance and installation info. Relevance: 0.25

Changes in Revision E

Added note on external cooler use with oil spray. Relevance: 0.25

Declarations

Declaration of Incorporation

Statement of compliance with EU Directive 2006/42/EC. Relevance: 0.35

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