SW900 Locomotive
NOTICE
The data appearing in this manual is intended as a guide and as an aid in explaining the locomotive equipment and systems. It is generally applicable to a basic locomotive, that is, a locomotive without optional equipment. Some data is included for optional equipment, but it is also of a basic nature. Therefore, always consult specific drawings and wiring diagrams for a particular locomotive when working with the equipment or systems. Such diagrams take precedence over information presented herein.
This manual has been prepared to serve as a guide to railroad personnel engaged in the operation of General Motors Model SW900 and SW1200 locomotives.
The contents are divided into seven sections as follows:
1. General Description - Provides general description of principal equipment components.
2. Cab Controls - Explains functions of cab control equipment used in operating the locomotive.
3. Operation - Outlines procedure for operation of the locomotive.
4. Mechanical Equipment andSystems - Describes the diesel engine, the fuel, cooling, lubricatin and air systems during locomotive operations.
5. Electrical Equipment - Explains functions principal electrical equipment components.
6. Electrical Systems - Explains electrical sys tems and circuit functions.
7. Trouble Shooting - Describes cause, location and correction of possible trouble occurrin during operation.
A block of 100 page numbers is allocated to eac section; in other words, Section 1 starts with page 100 Section 2 with 200 and the others follow in this manner Figures are identified by sections and sequence. Fo example: Fig. 2-3 is the third figure used in Section 2
To obtain the most benefit from this manual, it i recommended that the sections be read in the sequenc in which they appear.
Model Designation SW900 SW1200 Locomotive Type 0440 0440 Locomotive Horsepower 900 1200 Diesel Engine Model 567C 567C Type Scavenging Roots Blower Roots Blowers Number of Cylinders 8 12 Cylinder Arrangement 45'-"V" 45' -"V" Cylinder Bore and Stroke 8-1/2" x 10" 8-1/2" x 10" Operating Principle 2 cycle 2 cycle Full Speed 835 RPM 800 RPM Idle Speed 275 RPM 275 RPM Starting Speed 75-100 RPM 75-100 RPM Main Generator Model D25 D25 Nominal Voltage (DC) 600 600 Number of Poles 8 8 Auxiliary Generator Rating (Basic) 10KW 10KW Voltage (DC) 74 74 Traction Motors Model D67 D67 Number 4 4 Type Series Wound Series Wound Driving Wheels Number 4 pair 4 pair Diameter 40" 40" Weight - fully loaded (approx.) 230,000 lbs. 248,000 lbs. Weight on drivers 100% 100% Couplers Type "E" Type "E" Supplies Fuel oil 600 U.S. gals. 600 U.S. gals. Lube oil 135 U.S. gals. 165 U.S. gals. Cooling water capacity 190 U.S. gals. 230 U.S. gals. Sand 22 cu. ft. 22 cu. ft. General Dimensions Track gauge 4' 8-1/2" 4' 8-1/2" Length over coupler pulling faces 44' 5" 44' 5" Width over hand holds 10' 2" 10' 2" Maximum height above rail 14' 6-1/4" 14' 6-1/4" Truck centers 22' 0" 22' 0" Truck wheelbase 8' 0" 8' 0" Wheel diameter 40" 40" Minimum curve radius 100' 0" 100' 0" Gear Ratio 62/15-65/12 62/15-65/12 Maximum Permissible Speed 65-55 MPH 65-55 MPH
Page
SECTION 1 - GENERAL DESCRIPTION 100
Introduction 100
How The Locomotive Operates 101
SECTION 2 - CAB CONTROLS 200
Introduction 200
Fuse And Switch Panel 200
Engine Control Panel 204
Locomotive Controller 211
Mechanical Interlocks On The Controller 215
Air Brake Equipment 216
Instrument Panel 223
Miscellaneous Equipment 225
SECTION 3 - OPERATION 300
Introduction 300
Preparation For Service 300
Starting Engine 306
Stopping Engine 306
Precautions Before Moving The Locomotive 307
Handling Light Locomotive 308
Coupling Locomotive Units Together 308
Coupling Locomotive To Train 309
Pumping Up Air 309
Starting A Train 310
Acceleration Of A Train 312
Slowing Down Because Of A Grade 312
Air Braking With Power 313
Operation Over Railroad Crossing 313
Running Through Water 313
Wheel Slip Light Indications 314
Locomotive Speed Limit 314
Dynamic Braking 315
Dynamic Brake Warning Light 317
Hump Speed Control 317
Multiple Unit Operation 318
Alarm System 318
Remote Control Headlight Switch 318
Isolating A Unit 318
Changing Operating Ends 319
Securing Locomotive For Layover 322
Freezing Weather Precautions 323
SECTION 4 - MECHANICAL EQUIPMENT AND SYSTEMS 400
Diesel Engine 400
Cooling System 402
Lubricating Oil System 407
Fuel Oil System 410
Compressed Air System 413
SECTION 5 - ELECTRICAL EQUIPMENT 500
Introduction 500
Main Generator 500
Traction Motors 501
Auxiliary Generator 502
Load Regulator 502
Electrical Cabinet 504
SECTION 6 - ELECTRICAL SYSTEMS 600
Introduction 600
Tracing Schematic Wiring Diagrams 601
Legend Of Electrical Equipment 602
Fuel Pump And Starting Circuits 605
Directional Control Circuit 608
Generator Field Excitation Circuit 608
Motor Connect Control 609
Engine Relay Circuit 611
Engine Speed Circuits 611
Transition And Motor Field Shunting
Control System 613
Wheel Slip Detection Circuits 617
Battery Charging And Voltage Regulating Circuits
617
SECTION 7 - TROUBLE SHOOTING 700
Introduction 700
General Procedure 700
Alarm Signal Lights 701
Correction Of Operating Difficulties 705
Unusual Operating Problems 709