Index Locomotives - books DIESEL LOCOMOTIVE OPERATING NO. 2315 for MODELS F9, FP9, FL9 - manual 1997 year
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LEGEND OF ELECTRICAL EQUIPMENT
The following list shows abbreviations identifying electrical
equipment on the locomotive and/or the wiring diagrams. The diagram
wire designations conform with the identification bands on the wires in
the locomotive.
The diagram shows the contactors, switches and relays as if the
engine was stopped and all manual switches open. It must be remem-
bered that when the operating coil of a contactor becomes energized the
contacts and interlocks associated with that contactor will then be in a
position opposite to that shown in the wiring diagram.
A
Ammeter (Battery Ammeter)
AC1, 2, 3, 4
Radiator Cooling Fan Motor Contactors
AV, BV, CV, DV
Governor Control Solenoids
AWS
Auxiliary Wheel Slip Relay
BA
Boiler Alarm Light
BC
Battery Charging Contactor
BF
Battery Field Contactor
BKT
Dynamic Brake Transfer Switch
BKT-B
Dynamic Brake Transfer Magnet Valve - Brake
BKT-M
Dynamic Brake Transfer Magnet Valve - Motor
BR
Dynamic Brake Relay
BW
Brake Warning Indicating Light
BWR
Brake Warning Relay
C
Radiator Cooling Fan Motor Overload Switch
CC
Compressor Control Magnet Valve
CCs
Compressor Control Switch
CL
Class Light
CD
Traction Motor Lockout Switch
COMM
Commutating Field
COMP
Compensating Field
CR
Compressor Control Relay
DIFF
Differential Field
ER
Engine Relay (ER Relay)
ETS
Engine High Temperature Switch
FL
Field Loop Contactor
FMV or FSV
Forward Sanding Magnet Valve
FPC
Fuel Pump Contactor
FS
Traction Motor Field Shunting Contactor
FSR
Field Shunting Relay
GA
Gauge Light or Switch
GF
Generator Field Contactor
GR
Ground Relay
GS ±
Generator Starting Contactor
I
Dynamic Brake and Load Indicating Meter
IS
Isolation Switch
LOS
Low Oil Pressure Switch
LRC
Load Regulator Contactor.
LRS
Load Regulator Contactor Switch (In Governor)
MBL
Traction Motor Blower Motor
NV
"Alternator Failure" or "No Power" Signal Light
NVR
"No AC Voltage" Relay
OLS
Governor Overload Switch
ORS
Governor Over-Riding Solenoid
OS
Low Oil Signal Light
P
Parallel Power Contactor
PCR
Pneumatic Control Relay
PCs
Pneumatic Control Switch
PTR
Transition Relay
RBL
Radiator Cooling Fan Blower Motor
RCR
Reverse Current Relay
RMV or RSV
Reverse Sanding Magnet Valve
RVR
Reverser Switch
RVR-F or FOR
Forward Magnet Valve or Reverser Switch
RVR-R or REV
Reverse Magnet Valve or Reverser Switch
S
Series Power Contactor
SF
Shunt Field Contactor
SFT
Shunt Field Transfer Relay
SMV
Shutter Magnet Valve
SR
Signal Relay
TDS
Time Delay Sanding Relay
TR
Transition Relay
START
Starting Field
SWS
Summer-Winter Switch
TCR
Temperature Control Relay
TS
High Temperature (Hot Engine) Signal Light
WCR
Wheel Creep Relay
WS
Wheel Slip Relay
WSA
Wheel Slip Auxiliary Relay
WSS
Wheel Slip Series Relay
Electrical Symbols
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