Tech-Speak Terms, defintions, abbreviations, and parts listed apply to [ A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z ] | |
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A A Ampere A-End: The A-End is the car end Aft: towards A end (cab) AAR American Association of Railroad ABDS Air Box Damper Solenoid ABMS Axle Bearing Monitoring System ABS Automatic Block Signal System ABSORBER Shock AC Air Conditioning (HVAC) AC (ac) Alternating Current AC CABINET AC## Alternating Current Contactor ACCESSORY RACK EQUIP ACERT Advanced Combustion Emission Reducation Technology (C27 HEPs) ACK Acknowledge ACO## AC Contactor Open Relay ACT## Armature Current Transductor ADA American with Disabilities Act ADJUSTER Slack ADP Analog Digital Processor Module ADV After Cooler Drain Valve AIR BOX ASSY Alternator AIR BRAKE VALVE AIR CLEANER Inertial Air AIR COMPRESSOR AIR FILTER AIR COMPRESSOR ASSY AIR COMPRESSOR DRIVE SHAFT AIR COMPRESSOR FILTER APPL AIR COMPRESSOR MOUNTING & DRIVE AIR CYLlNDER Automatic Shutter AIR DISCHARGE MOTOR AIR DRYER A device used to remove moisture AIR FILTER Compressed Air (2) AIR FILTER Inertial AIR FILTER Main Generator Engine AIR GAUGE & AMMETER MOUNTING AIR HORN AIR MOTOR Wiper AIR PIPING SCHEMATIC Air Pressure A measurable force AL T Excitation Alternator ALTERNATOR ASSY AR15 ALTERNATOR ASSY Auxiliary ALTERNATOR Head End Power AMB TEMP Ambient Temperature AMG American Wire Gauge AMM Ammeter AMM TM Traction Motor Ammeter AMMETER Load Indicating TM APS Auxiliary Power Supply AR Alarm Relay AR15 ALTERNATOR ASSY ARC Archive Module ARM REST ASSY Cab ARM Window Wiper ARMATURE & FIELD ASSY Auxiliary Alternator ARMATURE Traction Motor ASR Auxiliary Speed Relay ASU Air Supply Unit Automatic Application An application of Automatic Brake Valve A manually AUX G EN Auxiliary Generator AUX GEN FB Auxiliary Generator Feedback AUXILIARY ALTERNATOR ASSY AV Engine Speed Solenoid AVL Automatic Vehicle Locator AWNING Cab Window AXLE, GEAR, & WHEEL ASSY | |||
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B B Brake Power Contactor B-End: The B-End is the car end with
the batteries battery switch box, and the handbrake B/E MT Sign Begin/End Main Track Sign BE CTC Sign Begin/End CTC Sign BANK ASSY RectifierBATT Storage Battery (64 VDC) BATT SW Battery Switch BATTERY CHARGER BATTERY CHARGING RECTIFIER BATTERY Storage BC Battery Charger BC Brake Cyliner (Pressure) BC ASM Battery Charging Assembly BCF Battery Charger Fault Indicator BC/LVPS Battery ChargerlLow Voltage Power Supply BEARING Journal BEARING Traction Motor Armature BEARING Traction Motor Support BELL Air Horn BELL Locomotive BELL RGR HTR Bell Ringer Heater BEZEL Controller BCF Battery Charger Failure BF O/L Blower Fan Motor Overload BFC-A Blower Fan Motor Contactor - A end BFC-B Blower Fan Motor-Contactor - Bend BHR Bell/Horn Relay BKBL Dynamic Brake Grid Blower BLADE Blower Wheel BLADE Window Wiper BLOWER Auxiliary Alternator BLOWER Main Generator BLOWER Traction Motor BLOWERS & DRIVES BMT Bimetallic Thermostat BOARD Terminal BOLSTER Truck BONNET Heat Exchanger BOOT Dust Seal BOX ASSY Air Alternator BOX Junction Engine Start BP Brake Pipe (Pressure) BR Brake Relay Brake 26 L-U-L (F59s/MP40s) BRAKE Hand BRAKE HEAD Truck Assy Brake Pipe The air brake piping on a Brake Pipe Reduction A reduction in BRAKE RACK EQUIP (26L-U-L) BRAKE RIGGING Single Shoe Brake Rigging An arrangement of rods, BREATHER Compressor Crankcase BRUSH Carbon Grid Blower Motor BRUSH Carbon Traction Motor BRUSH HOLDER Traction Motor BRUSHES Carbon Alternator BTU British Thermal Units Buffing Force: The compressive force BUMPER Head Bus Cabcar unoffical name given to new BUSHING Splined Axle Generator Butt Line: the lateral distance (left BV Engine Speed Solenoid BWR Brake Warning Relay | |||
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C CA## Capacitor CL Sign Cautionary Limit Sign CMC Crew Management Centre CAB ACCESS DOOR Cab Car Coaches with brake and power controls for train consist. CAB CEILING LIGHT (3) CAB DOOR LOCK (6) CAB EQUIP Mise CAB FLOOR APPL CAB HEATER APPL CAB HEATER Electric CAB HEATER Electric Layover CAB INNER TRIM CAB REAR DOOR CAB SEATS CAB SHORT HOOD DOOR CAB SLIDING SASH CABINET AC CABINET Air Filter Control Cabinet CABINET ASSY Head End Power Control CABINET Electrical Control CABINET Head End Power Start CABLE Battery CALIBRATION PLATE Fuel Tank Gauge CAP Fuel Filler CAP Grease Filler Gear Case CAP Lens Indicator Panel CARBODY DOOR CARBON BRUSH Traction Motor CARBON BRUSHES Alternator CARD HOLDER CARRIER Coupler CASE Gear Traction Motor Lower CASE Gear Traction Motor Upper CB## Circuit Breaker CC Control Console / Cab Car CCH Communication Control head CCPT Compressor Control Pressure Transducer CCR Compressor Control Relay CCS Compressor Control Pressure Switch CCU Communications Control Unit CEILING Cab CEM Crash Energy Management Cab car CENTRIFUGAL AIR FILTER ASSY (2) CF O/L Condenser Fan Motor Overload cfm Cubic Feet per Minute CHAIN Hand Brake CHAIN Safety Handrail CHARGER Battery Charging The act of increasing air CHECK VALVES (4) CIRCUIT BREAKER / TEST PANEL COMPARTMENT Circuit Breakers: All CBs left & right CIRCUIT BREAKER PANEL ASSY CIRCUIT MODULE ASSY CLAMP Dust Guard TM Axle CLASSIFICATION LIGHT ASSY CLASSIFICATION LIGHT Short Hood CLEAN OUT COVER Sand Box CLRP Class Ligqt Resistor Panel CMC Crew Management Centre CN/CP Canadian National/Canadian Pacific Cndr Conductor COAT HOOK COM/com complete COMM Communication COMPARTMENT Excitation/Display Module COMPARTMENT Logic Module COMPARTMENT Volatge Regulator Module COMPRESSOR Air COMPRESSOR AIR FILTER CON Consist (Revenue) CONN PO Power Distribution Connector Consist A locomotive and cars coupled together. CONSOLE Control CONTACTOR (3) CONTACTOR Engine Purge Control CONTACTOR Four Pole Single Throw CONTACTOR Generator Field CONTACTOR Generator Field Decay CONTACTOR Generator Start CONTACTOR Power Magnetic 1000 Amps CONTACTOR Power Magnetic 1200 Amps CONTROL CABINET Head End Power CONTROL CONSOLE EQUIP CONTROL PANEL ASSY Main CONTROL UNIT Sanding Control Valve A valve on a locomotive CONTROLLER MECHANISM ASSY COOLER APPL Lube Oil COOLER ASSY Lube Oil COOLING FAN HEP COOLING FAN Main Engine COOLING SYSTEM HEP COOLING SYSTEM Main Engine CORE Lube Oil Cooler CORE Radiator (2) COUPLER & DRAFT GEAR ASSY COUPLER ASSY Type "H" Tightlock COUPLING Drive Air Compressor COUPLING Drive Auxiliary Alternator COVER ASSY Commutator Traction Motor COVER ASSY Turbo Hatch CPU-D Display Central Processing Unit CPU-E Excitation Central Processing Unit CPU-L Logic Centra! Processing Unit CR## Rectifier CROR Canadian Rail Operating Rules CRANKCASE ASSY Compressor CRANKSHAFT ASSY Compressor CROR Canadian Rail Operating Rules CSA Customer Service Ambassador CT## Current Transformers CTC Centralized Traffic Control System CTO Commuter Train Operator CTT## HEP Current Transformers CV Engine Speed Solenoid CWT Cooling Water Temperature Switch CYLINDER Air Automatic Shutter CYLINDER Brake Truck CYLINDER Compressor | |||
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D DAMPER Lateral DAMPER Yaw DB Dynamic Brake DC Direct Current DCS Door Control Station DEFLECTOR Wind DESICCANT CANISTER ASSY Diaphragm A rubber disc clamped at the DIODES Rectifier Bank Assy DIPSTICK Oil Level Compressor DIR Door Interlock Relay Direct Release A complete release of DKS Door Key Switch DMU Diesel Multiple Unit DOB Daily Operating Bulletin DON Daily Operating Notice DOOR Air Brake Equip DOOR Battery Box DOOR Cab Access DOOR Cab Rear DOOR Cab to Short Hood DOOR Carbody DOOR Engine Room Partition DOOR Personnel DOOR Rear Personnel DOOR Sand Valve Access DOOR Sub-Base DOOR Trap Cab Floor DOR Door Override Relay DPH Door Pocket Heater DPM Diesel Power Module Draft Force: The separating (tensile) DRAFT GEAR & COUPLER ASSY DRAFT GEAR & YOKE ASSY DRAFT GEAR SUPPORT ASSY DRAIN VALVES DRC Diode, Resistor, & Capacitor Suppressor DRIVE Air Compressor DRIVE Auxiliary Alternator DRIVE Main Generator Blower DRIVE Traction Motor Blower DRL Drain Latching Relay db Dry Bulb DRYER Air Ds Swt Designated Switch DTMF Dual-tone Multi-frequency DTP Departure Test Panel DUCT Air Traction Motor DUST GUARD Traction Motor DV Engine Speed Solenoid DYNAMIC BRAKE FAN & MOTOR ASSY DYNAMIC BRAKE FAN APPL DYNAMIC BRAKE HATCH EQUIP Dynamic Brake An electrical means of | |||
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E E East EB Emergency Brake EBT Electric Blowdown Timer ECS Electronic Communications System EFCO Emergency Fuel Cutoff Relay EFCO/STOP Emergency Fuel Cutoff & Engine Stop Switch EFCO## Emergency Fuel Cutoff Switch EFCOH HEP Emergency Fuel Cut Off Relay EFS Engine Filter Switch ELCU Exterior Lighting Control Unit ELECTRICAL CONTROL CABINET ELEMENT Air Compressor ELEMENT Cab Heater ELEMENT Filter Control Cabinet ELEMENT Filter Fuel Oil ELEMENT Lube Oil Filter ELP End-of-Line Protection EM2000 Locomotive microprocessor Emergency Application A rapid depletion EMV Emergency Magnet Valve Eng Engine Engr Locomotive engineer ENGINE ASSY 12-710G3 ENGINE ASSY 16-710 G3B-T2/3 ENGINE ASSY 8V-149-TI ENGINE CONTROL PANEL ASSY ENGINE RAMP ENGINE ROOM DOOR ENGINE ROOM PARTITION ENGINE/GENERATOR SET HEP EOPREngine Oil Pressure Relay EOPS Engine Oil Pressure Switch EP Emergency Pipe EP BYPASS Engine Purge Bypass Switch EPC Engine Purge Contactor EPC SHUNT Engine Purge Control Shunt EPS Emergency Pressure Switch EQ Equipment (non-revenue consist) EQ/RES PR Equalizing Reservoir Pressure Equalization The point at which ER Equalizing Pressure ER Event Recorder ER/TMS Event Recorder/Train Monitoring System ESDR Emergency Shutdown Relay ESR Engine Stop Relay ESS Emergency Sanding Switch ETP## Engine Temperature Probe ETCM Electronic Temperature Control Module EVENT RECORDER APPL EXC/DISP Excitation/Display Compartment EXCHANGER APPL Heat Fuel Oil EXCHANGER ASSY Heat Fuel Oil EXCITATION PANEL ASSY EXCITATION/DISPLAY COMPARTMENT ASSY EXHAUST APPL -HEP EXHAUST INSULATION APPL Exp Express EXTINGUISHER Fire | |||
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F F Fahrenheit FAN & MOTOR ASSY Dynamic Brake FAN & MOTOR Grid Blower FAN ASSY Grid Blower FAN HEP Cooling FAN Main Engine Cooling FBCU Friction Brake Control Unit FBE Feedback Excitation Module FBL Feedback Logic Module FC HEP Fan Contactor - Head End Power FC## Fan Contactor FCSV Full Cooling Solenoid Valve FIL MTR Filter Blower Motor FILLER ASSY Fuel FILLER ASSY Sand Box FILLER Fuel Tank FILLER Sand Box FILTER Air Compressor FILTER Air E!ectrical Control Cabinet FILTER Air Head End Power Control Cabinet FILTER APPL Air Compressor FILTER ASSY Fuel Oil (2) FILTER ASSY Lube Oil FILTER Compressed Air (2) FILTER Inertial Air FILTER Main Generator Engine Air FILTER Oil Compressor FITTING ASSY Lamp FLAG HOLDER FLAG HOLDER MOUNTING Cab FLD Field FLEXIBLE COUPLING DRIVE FLOOR APPL Cab FLOOR MAT FM Frequency Meter FM HE Frequency Meter - Head End Power Forward: towards B end (locomotive) FP Fuel Pump FP/ES Fuel Prime/Engine Start Switch FPR Fuel Pump Relay FPRA Fuel Pump Auxiliary Relay FRAME Air Discharge Motor FRAME ASSY Cooling Fan (2) FRAME ASSY Equip Rack FRAME Truck Frmn Foreman FRP Feedback Resistor Panel FRS Firing Control Synchronization Module frt freight ft feet FTD Fan Tme Delay Relay FUEL CUT-OFF SWITCH FUEL OIL FILTER ASSY FUEL OIL HEAT EXCHANGER APPL FUEL OIL HEAT EXCHANGER ASSY FUEL OIL PIPING FUEL OIL Thermostatic Mixing Valve FUEL PUMP ASSY FUEL TANK ASSY FUEL TANK FILLER APPL Full Service A full brake application FUSE & SWITCH COMPARTMENT FUSE & SWITCH PANEL FUSE & SWITCH PANEL ASSY FVS Filter Vacuum Switch FVTD Frequency Voltage Time Delay Relay | |||
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G GAUGE APPL Fuel Tank GAUGE ASSY Fuel Tank Float Type GAUGE ASSY Pressure Duplex GAUGE Lube Oil Pressure GAUGE Oil Level Compressor GAUGE Water Tank Level (2) GBO General Bulletin Order(s) GCT## Generator Current Transductor GEAR Axle Locomotive GEAR CASE Traction Motor GEAR Draft GEAR MOTOR ASSY GEAR Pinion Traction Motor GEAR RATIO Pinion to Gear GEN## Generator GENERAL PURPOSE RELAY (3) GENERATOR APPL Auxiliary GENERATOR ASSY AR 15WBC-CAS GENERATOR ASSY STAMFORD HEP GENERATOR Auxiliary AC GFC Generator Field Contactor GFD Generator Field Decay Relay GFI Ground Fault Interrupter GFT Generator Field Transductor GLASS Cab GLASS Fuel Gauge GLASS Rear Personnel Door Window GLASS Sight Water Tank Gauge (2) GLASS Sliding Sash GLAZING Sliding Sash GLOBE Clear Glass GOV Governor GOVR Governor Relay GPS Global Positioning System GR Ground Relay GR RLY CO Ground Relay Cutout Switch GR RLY LO RESET Ground Relay Lockout Reset Switch GRAB IRONS Long & Short Hood GRAB IRONS Side Step Graduated Release A release of the GREASE Gear Case GRFR Head End Power Ground Fault Relay GRFRR Head End Power Ground Fault Relay Reset Switch GRID BLOWER MOTOR GRID RESISTOR Dynamic Brake GRILLE ASSY Inertial Air Filter GRILLE ASSY Shutter GSA Guest Services Representative GTCC GO Transit Communications (Control) Centre GTCC: "Commuter Central" used when contacting the GTCC by radio GUARD Blower Air Intake GUARD Compressor Drive Shaft GUARD Dust Traction Motor GUARD Fan Dynamic Brake GUARD Lamp GUIDE Sander Truck | |||
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H HAND BRAKE ASSY HANDLE Directional HANDLE Throttle HANDRAIL & BOARDING STEPS HANDRAIL End HANDRAIL Side HATCH EQUIP Dynamic Brake HATCH EQUIP HEP Cooling Fan HATCH EQUIP Main Generator Engine Cooling Fan HATCH Inertial Air HATCH Turbo Cover Assy HCPS High Crankcase Pressure Switch (HEP) HCTS High Coolant Temperature Switch HDLT Headlight HE Head End HEAD Brake Truck HEAD BUMPER HEAD Compressor Cylinder HEAD END POWER ALTERNATOR HEAD END POWER CONTROL CABINET HEAD END POWER CONTROL PANEL ASSY HEAD END POWER PLANT HEAD END POWER START STATION HEAD END VOLTAGE REGULATOR HEADER Lube Oil Cooler HEADER Radiator HEP HEADER Radiator Main Engine HEADLIGHT ASSY HEAT EXCHANGER APPL Fuel Oil HEAT EXCHANGER ASSY Fuel Oil HEATER Air Dryer HEATER Cab HEP Head End Power HEP Head End Power HEP-START Head End Power Start Switch HEP-STOP Head End Power Stop Switch HOLDER ASSY Brush Traction Motor HOLDER Cab Card HOLDER Carbon Brush Grid Blower Motor HOOK Coat HORN Air HOUSING Air Filter hp Horsepower HPS High Pressure Switch HRM Heavy Repair Maintenance Manual HTD WSLD Heated Windshield HTR Heater HUB ASSY Cooling Fan (3) HVAC Heating Ventilation Cooling HVC LTS High Voltage Cabinet Lights Hz Hertz | |||
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I I/L Intermediate Level (name) IR Incident Report (eg) MIR Medical Incident Report IC or I/C Intercom / Intercommunications ICCU Integrated Communication Control Unit IHC Immersion Heater Contactor ILCU Interior Lighting Control Unit IMM HTR Immersion Heater IMMERSION HEATER in inch Inboard: Defines the location of a IND LT PAN Indicator Light Panel (Push-To-Test) Independent Brake Valve A manually INDICATOR Heat INERTIAL AIR SYSTEM INNER TRIM Cab INSTRUMENT PANEL Control Console INSTRUMENT PANEL EQUIPPED HEP INTERCOOLER Compressor Interrupter A blue blinking light IOD Input/Output Display Module IOE Input/Output Excitation Module IOL Input/Output Logic Module IOL## Instantaneous Overload Relay IOLX Instantaneous Overload Auxiliary Relay IPC Illustrated Parts Catalogue IRR Idle Request Relay IS Isolation Switch ITS Intermittent Train Stop | |||
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J Jct Junction JOURNAL ADAPTER Truck Assy JOURNAL BEARING ASSY JUMPER Communication JUMPER Head End Power JUMPER MU Control | |||
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K KNUCKLE Coupler kW Kilowatts | |||
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L L/L Lower Level LAB Local Alarm Bell Relay LAMP Cab Ceiling Light (3) LAMP FITTING ASSY LAMP Sealed Beam (3) Lap A function inside a valve in which LATCH Sub-Base Door lb pound lb*ft Pounds Feet (Torque) LC## Load Control Module LCD Liquid Crystal Display LED Light Emitting Diode LCS Local Control Switch LCU Locomotive Control Unit LED Light Emitting Diode Left Side: The Bombardier BiLevel Left & right: on engineering LENS Cab Ceiling Light LENS CAP Indicator Panel LEVER Brake Truck LH Left-Hand LIGHT ASSY Dual Beam LIGHT Back-up LIGHT Cab Ceiling (3) LIGHT Classification (2) LIGHT Ditch (2) LIGHT Road Box Number LIGHT Step & Ground LIGHTS Engine Room (2) LIGHTS Exterior LIGHTS Interior LLC Left Layover Contactor LOC Layover Contactor LOCKS & ASSY (8) Locomotive One or more power units LOGIC COMPARTMENT DISPLAY LOHC HEP Layover Contactor LOPS Logic Power Supply LOR LockOut Relay LOS Low Oil Pressure Switch LPS Low Pressure Switch LR Load Regulator LTT Load Test Transfer Switch LUBE OIL COOLER ASSY LUBE OIL FILTER APPL LUBE OIL FILTER ASSY LUBE OIL PIPING LUBRICATOR Wick Axle LUNCH TRAY ASSY LVPS Low Voltage Power Supply LVPS/BC Low Voltage Power Supply/Battery Charger | |||
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M MAGNET VALVE (4) Magnet Valve A valve operated by an MAIN AIR RESERVOIR MAIN CONTROL PANEL ASSY MAN Manual MAN SAND Manual Sanding Switch MANIFOLD Gauge Mounting MAT Cab Floor MB/L, MB/R Motor/Brake Transfer Switch MB## Motor/Brake Transfer Switch Motor MC Master Controller MCM Thousand Circular Mils MCU Master Control Unit MCB Module Control Circuit Breaker Relay MCO Motor Cutout Switch MCU Master Control Unit MDS Monitoring & Diagnostics System MEM Common Memory Module MIC Microphone MICROPROCESSOR DISPLAY ASSY MIN Minimum Brake Application Mins Minutes Minimum Reduction A brake application MIO Input / Output Module MIRROR Wind Deflector MISC Miscellaneous MIXING VALVE Fuel Oil Thermostatic MODULE ASSY Circuit MODULE MOTOR ASSY MOPS Modulation Pressure Switch MOTOR & PUMP ASSY Lube Oil MOTOR Air Discharge MOTOR APPL Inertial Air Discharge MOTOR ASSY Cab Heater MOTOR ASSY Grid Blower MOTOR Fuel Pump MOTOR Gear MOTOR Module MOTOR OPERATED SWITCH ASSY (2) MOTOR Traction D87B MOTOR Window Wiper MOUNTING Fuel Tank MOUNTING PANEL EQUIP mph mile(s) per hour MR Main Reservoir MRPS Main Reservoir Pressure Switch MU Multiple Unit MV 818 Filter Blowdown Magnet Valve MV 824 Filter Blowdown Magnet Valve MV 880 Filter Blowdown Magnet Valve MV AUTO DRAIN Auto Dratn Magnet Valve MV BELL Bell Magnet Valve MV CC Compressor Control Magnet Valve MV HLD Brake Cylinder Pressure Hold Magnet Valve MV HORN Horn Magnet Valve MV OS Overspeed Magnet Valve MV RB Radar Unit Blowdown Magnet Valve MV REL Brake Cylinder Pressure Release Magnet Valve MV SH Radiator Shutter Control Magnet Valve MV TMBIS Traction Motor Blower Inlet Shutter Magnet Valve MV WSR Wheel Slip Relay Magnet Valve MV## Magnet Valve MV##SF Forward Sanding Magnet Valve MV##SR Reverse Sanding Magnet Valve MX Metrolinx | |||
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N N North N/A not applicable NC Normally Closed NFC Near Field Communications NO Normally Open NO/No Number NOC GO Transit Network Operations Centre NORM Normal Number One Air Brake Test A procedure NVR Network Video Recorder | |||
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O OAP Display Assembly Panel Observer: Person not in control, seated OCS Occupancy Control System OD Outside Diameter OHC-A1 Overheat Heater Contactor - A end, Stage 1 OHC-A2 Overheat Heater Contactor - A end, Stage 2 OHC-B1 Overheat Heater Contactor - B end, Stage 1 OHC-B2 Overheat Heater Contactor - B end, Stage 2 OIM Operating Instructions Manual Operating End The end of the train or>br>
consist that is in control of the brakes and power. Also called the ORS Overriding Solenoid (GOV) Outboard: Defines the location of a OVERHEAD CONSOLE EQUIP OVERNIGHT HEATER EQUIP | |||
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P P## Parallel Power Contactor PA Public Address PA-IC Public Address and Intercom PA/IC Public Address/Intercom PANEL ASSY Circuit Breaker PANEL ASSY Engine Control PANEL ASSY Excitation PANEL ASSY Fuse & Switch PANEL ASSY Head End Monitor PANEL ASSY Head End Power Control PANEL ASSY Long Hood PANEL ASSY Main Control PANEL ASSY Warning PARTITION Engine Room PATBC Brake Cylinder Pressure Transducer PATCA Call Air Pressure Transducer PB Parking Brake PBR Parking Brake Release PCR Pneumatic Control Relay PCS Pneumatic Control Switch PCSV Partial Cooling Solenoid Valve PDI Pre Departure Inspection PEDESTAL LINER Truck PEI Passenger Emergency Intercom Penalty Application An application at a PH Phase PILOT Road PIPING Air Schematic PIPING Brake Cylinder Truck PIPING Lube Oil PIPING Unloader & Water Air Compressor PIPING Water PIPING Wiper Air Motor PISTON Air Compressor PKO Power Knock-Out PLC Programmable Logic Controller PLATE Calibration Fuel Tank Gauge PLATE Wear Truck PLATFORM Generator Pit PLATFORM LIGHT ASSY Short Hood Mounted PLUG Dummy PME Permanent Magnet Generator POWER PLANT MOUNTING POU Pneumatic Operating Unit PPE Personal Protective Equipment PRECOALESCER Air Dryer PREHEATER Fuel Oil Pressure Maintaining: A brake system designed to overcome PSD Platform Screen Door (P-Door) Psgr Passenger PSH Power Supply Hybrid psi pounds per square inch PSIG Pounds per Square Inch Gauge PS Pressure Switch PT Potential Transformer PTS Positive Train Control PTT Push- To-Talk PTU Portable Test Unit PUMP ASSY Fuel Oil PUMP Fuel PUMP Lube Oil PUMP Lube Oil Compressor PURGE VALVE Air Dryer Push-Pull System A train or consist PVV Pneumatic Vent Valve | |||
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Q QCTO Qualified Commuter Train Operator | |||
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R R-22Refrigerant RACK Accessory RACK Storage Air Brake Hose RADAR APPl RADAR ASSY RADIATOR APPL H'EP Cooling RADIATOR APPl Main Engine Water Cooling RADIATOR ASSY (2) RADIATOR SHUTTER Automatic Rapid Reduction An almost immediate RADIO COMMUNICATION SYSTEM KIT RAMP Engine RATIO Gear RAU Remote Alarm Unit RBL## Radiator Blower Motor RC O/LRefrigeration Compressor Motor Overload RCC-A Refrigeration Compressor Motor Contactor - A end RCC-B Refrigeration Compressor Motor Contactor - Bend RCTH Refrigeration Compressor Thermal Cut-out RDCS Rail Drive Control System REA Reassignment Effective Day RE EPC Engine Purge Control Resistor RE GRF HEP Ground Resistor RE GRID Dynamic Braking Resistor Grids RE## Resistor REAR VIEW MIRROR REC Receptacle RECEPTACLE Communication MU RECEPTACLES PLUGS & JUMPERS RECTIFIER BANK ASSY RECTIFIER Battery Charging RECTIFIER Silicon Control SCR REFRIGERATOR/WATER COOLER REGULATOR Head End Voltage REGULATOR Voltage VR15 RELAY General Purpose (3) Relay Valve A valve designed to relay a Release: REO Rail Equipment Operator Reservoir A tank for the storage of compressed air. RESERVOIR EQUIP RESERVOIR Grid Dynamic Brake RESERVOIR Main Air RETENTION TANK APPl RETENTION TANK ASSY REV Revnue consist RFP Relief from Flag Protection RG MP Ring Gear Magnetic Pickup RH Right-Hand RHS Rheostat RIGGING Brake Truck Assy Right Side: The Bombardier BiLevel RING Air Compressor RINGER Bell RLC Right Layover Contactor RLR Right Layover Relay RLS Reverser Handle Switch ROD ASSY Compressor ROTOR Air Discharge Motor ROTOR ASSY Alternator RPM Revolutions per Minute rpt repeat RTC Rail Traffic Coordinator or Controller or Train Dispatcher RV Directional Transfer Switch Motor | |||
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S S South SAE Society of Automotive Engineers SANDING EQUIP SAND TRAP SASH Sliding Cab SCR Generator Excitation Silicon Controled Rectifier SCREEN ASSY HEP Radiators SCREEN ASSY Main Engine Radiators SCREEN ASSY Sand Box Filler SCREEN Inlet Header SCS Special Control System Sdg Siding SDR MU Engine Shutdown Relay SDRX MU Engine Shutdown Auxiliary Relay SEAL Traction Motor Gear Case SEALED BEAM LAMP (3) SEAT Cab (2) sec second Self-Lapping The ability of a valve to SENSOR APPL Magnetic Turbo SENSOR ASSY Battery Temperature SERV Service Service Application A controlled SHAFT Drive Air Compressor SHAFT Drive Auxiliary Alternator SHEAVE Chain Hand Brake SHIM Compressor Mounting SHOE Brake SHUTTER Automatic Radiator SI special instruction SILICON CONTROL RECTIFIER SM Starting Motor Snowball unoffical name given to new paint scheme on locomotives SNS Station Name Sign SPRING Bolster Truck SPRING Hand Brake Chain SPRING Journal Truck SPST Single- Pole Single-Throw ST Starting Contactor STA Starting Auxiliary Contactor START MTR TH O/L Start Motor Thermal Overload Switch Station: the longitudinal distance, perpendicular to the plane of the STATOR Air Discharge Motor STATOR ASSY Alternator STATOR ASSY Cooling Fan (2) STATOR Traction Motor STEP ASSY STH Head End Power Start Relay STO Supervisor Train Operations STORAGE RACK ARRANGEMENT STRUCTURE ASSY Inertial Air STTD Start Time Delay Relay Sub Subdivision SUN VISOR SUPPORT End Handrail SUSPENSION Traction Motor sw## Switch SWS Summer/Winter Switch Swt Switch SWITCH ASSY Transfer (2) SWITCH Fuel Cut-Off SWITCH PANEL ASSY Control Console SWITCH PANEL EQUIP HEP Start Station SWITCH Rotary Console SWITCH Slide Console SZ Sign Switching Zone Sign | |||
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T T ## Transformer TANK ASSY Fuel TANK ASSY Retention TANK Water TANK Water HEP TB## Terminal Board TC Thermal Cut-out TCA Track Circuit Assistor TCP Triple Action Boost Control Panel TCR Trickle Charger Relay TDC Time Delay Curve TERMINAL BOARDS TECU Traction Engine Control Unit TEST PANEL ASSY TF Thermal Fuse TFP Trainline Filter Panel THERMOSTAT Cab Heater THERMOSTATIC MIXING VALVE Fuel Oil THS Throttle Handle Switch TIH Immersion Heater Transformer TLC## Trainline Complete Relay TLCH LayovEr Cab Heater Transformer TLOH Layover Heater Transformer TLP Turbo Lube Pump Motor TLPR Turbo Lube Pump Relay TLPS Turbo Lube Pressure Switch TLR Trainline Relay TLV## Trainline Voltage Relay TLVD## Trainline Voltage Delay Relay TM TEMP Traction Motor Temperature Probe TM## Traction Motor TMA Traction Motor Cooling Air Temperature Probe TMBIS Traction Motor Blower Inlet Shutter Relay TMS Train Monitoring System TMS Train Monitoring System TOD Train Operators Display TOILET Stainless Steel TOL## Thermal Overload Relay TOLX## Thermal Overload Auxiliary Relay TOP Track Occupancy Permit(s) TP Thermal Protector TRACTION MOTOR TRACTION MOTOR AIR DUCT TRACTION MOTOR MOUNTING TRACTION MOTOR SUPPORT BEARING TRACTION MOTOR SUSPENSION Trailing End The end of the train or Train Same as a consist except it, has Train Crew: consists of the Locomotive Engineer & Conductor (or CSA) Train Operator: Person at the train TRAINLlNE FEEDBACK PANEL CIRCUIT MODULE TRANSFER SWITCH ASSY (3) TRANSFORMER Current AR15 Alternator TRAP DOOR Cab Floor TRAP Sand Trnm Trainman TRUCK Four Wheel Single Shoe Brakes TS Thermal Switch TU Track Unit TURBO HATCH COVER ASSY TURBO MAGNETIC SENSOR APPL | |||
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U U/L Upper Level UHF Ultra High Frequency (Radio) UNCOUPLING ARRANGEMENT UOF Under/Over Frequency Relay UOFT Under/Over Frequency Trip Relay UOV Under/Over Voltage Relay UOVT Under/Over Voltage Trip Relay USRC Union Station Rail Corridor (Formerly TTR) | |||
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V V## Volts (AC/DC) Vac Volt(s) alternating current VALVE Air Bell Operating VALVE Air Brake VALVE Air Horn Operating VALVE ASSY By-Pass Relief VALVE ASSY Compressor VALVE ASSY Magnet (4) VALVE Brake VALVE Check (4) VALVE Discharge High Pressure VALVE Discharge Low Pressure VALVE Drain Air Dryer VALVE Electric/Manual Drain VALVE Horn Operating VALVE Manual Drain VALVE Outlet Check VALVE Purge Air Dryer VALVE Relief Lube Oil Cooler VALVE Relief Oil Pressure VALVE Reservoir Check VALVE Safety VALVE Shut-Off Sanding VALVE Unloading High Pressure Suction VALVE Unloading Low Pressure Suction VDC or Vdc Volt(s) direct current VENT APPL HEP Engine/Generator VENTILATION Cab Roof VFD Vacuum Fluorescent Display VHF Very High Frequency (Radio) VHF Very High Frequency VIBRATION ISOLATOR HEP VISOR Sun VM Voltmeter VM SW Voltmeter Switch VOLTAGE REGULATOR VR15 VR HE Head End Power Voltage Regulator VR## Voltage Regulator Module VVVF Variable Voltage Variable Frequency | |||
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W W Watts W West WARNING PANEL ASSY Locomotive Water Line: the vertical distance above the top of the rail WATER PIPING WATER TANK WATER TANK LEVEL GAUGE (2) WB Wet Bulb WDR Water Drain Relay WEATHERSTRIP Cab Door WEATHERSTRIP Cab Glazing WG Water Gauge WHEEL Blower WHEEL Locomotive WHISTLE WICK Lubricator Axle WIND DEFLECTOR WINDSHIELD GLASS Heated WIPER Air Motor WIPER Window Wk Work WL Wheel Slip Light Relay WSF Wheel Slide Failure Indicator WOB weekly operating bulletin WOCC Willowbrook Operations Control Centre WOPRT work order, train journal or list WRMF Whitby Rail Maintenance Facility WTH Water Tank Heater | |||
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X Xmit Transmit Xover Crossover | |||
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Y YAW DAMPER YL Sign Yard Limit Sign YOKE Draft Gear | |||
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Z Z## Zener Diode ZSR Zero Speed Relay | |||
