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Woodward SG Governor User Manual

Woodward SG Governor
56 pages
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Product Manual 04048
(Revision D, 5/2015)
Original Instructions
SG Governor
This manual replaces manual 04022.
Installation and Operation Manual
DMEnergy (Сервис Генерации) +7 (499) 990-05-50 info@dmenergy.ru www.dmenergy.ru

Table of Contents

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Woodward SG Governor Specifications

General IconGeneral
BrandWoodward
ModelSG Governor
CategoryController
LanguageEnglish

Summary

General Safety Precautions

General Precautions

General safety instructions for installation, operation, or servicing. Follow all plant and safety instructions.

Proper Use

Avoid unauthorized modifications to prevent injury, damage, or warranty exclusion. Use equipment within specified limits.

Translated Publications

Note that translated publications may not be up to date; compare with original.

Warnings and Notices

Overspeed / Overtemperature / Overpressure

Prime mover must have independent overspeed shutdown device for safety.

Personal Protective Equipment

Always wear appropriate PPE for job, including eye, hearing, and respiratory protection.

Start-up

Be prepared for emergency shutdown during engine start-up to prevent runaway or overspeed.

Automotive Applications

Install independent supervisory control for mobile applications to protect against loss of control.

Electrostatic Discharge Awareness

Electrostatic Precautions

Handle static-sensitive parts carefully. Discharge body static before touching controls.

Chapter 1. General Information

Introduction

Provides description, operation, overhaul, and parts info for SG governors and optional features.

Governor Drive

Explains governor drive shaft mounting and rotation requirements for engine connection.

Speed Adjustment

Speed Droop Adjustment

Auxiliary Features (Optional)

Speed Adjusting Motor

Motor for synchronizing alternators and changing load distribution. Two types available.

Vibration Attenuating Ballhead Assemblies

Used to overcome undesirable torsional vibrations from engine drive to governor.

Subcap Assemblies

Different subcap assemblies match governor installation needs; usually include fuel-rack stop screw.

Chapter 2. Principles of Operation

Chapter 3. Installation and Adjustment

Installation

Instructions for installing SG governors, covering drive rotation, mounting, and oil supply.

Oil Supply

Specifies oil supply line connection, pressure, filtration, and sump requirements.

Pneumatic Speed Setting

Describes two types of pneumatic speed settings: reverse and direct acting.

Electric Speed Setting

Details connections for Bodine and Pittman PM motors for electric speed setting.

Linkage

Covers linear and non-linear linkage arrangements for engine fuel control.

Linear Linkage

For diesel engines, adjust linkage for fuel control; recommends 2/3 output shaft travel.

Non-Linear Linkage

For gas engines with butterfly valves; specifies lever alignment and angle requirements.

Adjustment

Procedures for initial engine start-up and speed droop adjustment.

Starting the Engine for the First Time

Start engine as per manufacturer; adjust governor for reduced speed for safe start-up.

Speed Droop Adjustment

Adjust droop for stability in single engine or parallel operation for load division.

Chapter 4. Overhaul

Introduction

Emphasizes providing correct model/serial/part numbers for information or parts requests.

Disassembly Instructions

Step-by-step guide for completely disassembling the governor, including parts identification.

Repair

Assembly Instructions

Chapter 5. Parts Information

Parts List, Figure 5-1

Lists parts for typical SG governors (later models) with reference numbers and quantities.

Parts List, Figure 5-2

Cover Assembly with Bodine Speed Adjusting Motor

Parts List, Figure 5-3

Lists parts for Bodine Speed Adjusting Motor assembly.

Parts List, Figure 5-4

Lists parts for Speed Adjusting Motor components.

Cover Assembly with Pittman PM Speed Adjusting Motor

Parts List, Figure 5-5

Lists parts for Pittman PM Speed Adjusting Motor assembly.

Cover Assembly with Vertical Return Spring

Parts List, Figure 5-5a

Lists parts for the Vertical Return Spring Cover assembly.

Subcap Assemblies

Parts List, Figure 5-6

Lists parts for a linear output subcap assembly.

Parts List, Figure 5-7

Parts List, Figure 5-8

Parts List, Figure 5-9

Chapter 6. Troubleshooting

General

Covers common troubles and emphasizes checking auxiliary equipment effects.

Oil Trouble

Discusses satisfactory oil types, foaming issues, and the impact of dirty oil.

Speed Droop Adjustment

Notes that adjustments may be needed even if the engine runs satisfactorily without load.

Analysis and Correction of Governing Troubles

Provides a chart and definitions for diagnosing and correcting governing problems.

Chapter 7. Product Support and Service Options

Product Support Options

Outlines options for addressing installation or performance problems, including contacting support.

Product Service Options

Details service options like replacement/exchange, flat rate repair, and remanufacture.

Returning Equipment for Repair

Instructions for returning controls for repair, including required information and authorization.

Replacement Parts

Information needed when ordering replacement parts, including part numbers and serial numbers.

Engineering Services

Technical Support

Assistance with technical questions and problem-solving via phone or email.

Product Training

Standard and customized classes to help maintain system reliability and availability.

Field Service

On-site support from experienced engineers familiar with Woodward and interfacing equipment.

Contacting Woodward's Support Organization

Revision History

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