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Main Propulsion Plant DD445 and 692 Classes and Converted Types, Operation Manual, Revision 1, Jan 1946 was created just after WW II. It describes the peak of WW II US destroyer propulsion technology.

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MAIN PROPULSION PLANT

DD445 and 692 CLASSES

AND

CONVERTED TYPES

Operation Manual

U. S. NAVY
BUREAU OF SHIPS

REVISION 1
Jan. 1946


RESTRICTED

NAVY DEPARTMENT

BUREAU OF SHIPS

Washington, D. C.

This Manual is published by authority of the Chief of the Bureau of Ships, and is approved and issued to the service for guidance in the training of the personnel concerned.

E. L. COCHRANE,
Vice Admiral, U.S. N.,
Chief, Bureau of Ships.

III


ACKNOWLEDGMENTS

Acknowledgments are due to the several individuals and activities instrumental in the preparation of this Manual. The basic text was prepared under the supervision of the Assistant Supervisor of Shipbuilding, Staten Island, Lt. Comdr. L. L. Habryl, USNR.; primarily by Mr. S. M. Arwine. with the advice and assistance of Lieut. R. S. Laing, USNR, and Lieut. E. A. O'Mara. USNR; and with the specific approval of the Supervisor of Shipbuilding, New York, Rear Admiral J. M. Irish. USN. Text and illustrations have been checked and revised by the Destroyer Ship Desk and cognizant Technical Sections of the Bureau of Ships.

The first reprinting, January 1946, includes minor revisions in view of major authorized alterations to date, together with desirable additions in text and certain illustrations.

IV


TABLE OF CONTENTS

Page
Section I. INTRODUCTION 1
Section II. ARRANGEMENT OF MACHINERY:
1. General Discussion 3
2. List of Machinery 3
Section III. STEAM CYCLE OF THE PRESSURE CLOSED FEED SYSTEM:
1. General Discussion 13
2. Types of Closed Feed Systems 13
3. Operation of the Pressure Closed Feed System 13
Section IV.CONDENSATE SYSTEM:
1. General Discussion 15
2. Main Condenser 16
3. Main Condensate Pump 17
4. Main Air Ejector 20
5. Loop Seal 22
6. Deaerating Feed Tank 24
7. Condensate System Piping 28
Section V. FEED WATER SYSTEM:
1. General Discussion 35
2. Main Feed Booster Pump 35
3. Main Feed Pump 37
4. Constant Pressure Pump Governor 40
5. Feed Booster System Piping 43
6. Main Feed Piping 44
7. Emergency Feed Piping 45
8. Feed Water Level Regulator 48
Section VI. BOILERS:
1. General Description 53
2. Economizers 53
3. Generating Side (B & W Design) 54
4. Superheater 54
5. Boiler Operation 60
6. Internal Fittings 64
7. Safety Valves 66
8. Superheater Protection Devices 69
9. Fuel Oil Burners 70
10. Soot Blowers 73
11. Boiler Blow Piping 76
12. Forced Draft Blowers 76
Section VII. EXPANSION SYSTEM:
1. General Discussion 78
2. Main Steam System 78
3. Main Propulsion Turbines 78
4. Gland Sealing Steam System 84
5. Main Reduction Gears 86
6. Lubricating Oil Systems 90

V


Section VIII. MISCELLANEOUS SYSTEMS: Page
1. Auxiliary Steam System 101
2. Fuel Oil Systems 104
3. Auxiliary Exhaust System 120
4. Drain Systems 125
Section IX. AUXILIARY PLANT:
1. General Discussion 130
2. Ship's Service Turbo-generator, DD445 Class 130
3. Ship's Service Turbo-generator, DD692 Class 134
Section X. AUXILIARY MACHINERY:
1. Distilling Plant 137
2. Refrigerating Plant 139
3. Steering Engine 141
4. Emergency Diesel Generator 142
Section XI. OPERATING PROCEDURE:
1. Split Plant Line-up 144
2. Lighting-off Boiler 144
3. Warming-Up Plant 145
4. Notes on Securing 146
Section XII. ELECTRICAL PLANT:
1. Generating Plant, DD445 Class 149
2. Generating Plant, DD692 Class 151
3. Operation 153
Section XIII. COURSE OF ENGINEERING INSTRUCTION 159

VI


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