EMD GT46MAC Locomotive Service Manual – PDF DOWNLOAD
$34.95
Official OEM GT46MAC service manual for Indian State Railways road nos. 12001–12013. Covers EM2000 computer, AC traction (TCC1/TCC2), 710G3B engine, fuel/lube/cooling, Knorr CCB brakes, HTSC bogies, load test & hi-pot, full troubleshooting
Description
EMD GT46MAC Locomotive Service Manual – PDF DOWNLOAD
Description
Overview
This EMD GT46MAC Service Manual provides detailed service, calibration, and troubleshooting procedures for the Indian Railways fleet (Road Nos. 12001–12013). Issued by Electro-Motive Diesel (EMD) for maintenance depots and certified locomotive technicians.
It covers mechanical, electrical, pneumatic, and control systems of the GT46MAC platform powered by the 16-cylinder 710G3B two-stroke turbocharged diesel engine, controlled via EM2000 microprocessor system and Siemens traction components.
Contents Summary
Engine & Fluids – 16-710G3B diesel engine; fuel injection system, oil coolers, lube filters, crankcase breather, and turbocharger maintenance.
Traction System – TA17 alternator, TCC1/TCC2 GTO-based inverter units, CA6B companion alternator, and AC traction motors (1TB2622).
Powertrain & Control – EM2000 locomotive control computer, DDS diagnostics, traction effort and dynamic brake regulation, ground fault and overvoltage protection.
Pneumatics – WLNA9BB compressor, main reservoirs, electro-pneumatic brake valve, Knorr CCB1.5 integration, auto/independent braking logic.
Electrical System – 74V DC auxiliary circuits, DCL switchgear, relay interlocks, battery charging, fault isolation tests.
Bogie & Traction Motors – HTSC bogie layout, axle alignment, gear ratio 90:17, traction motor suspension bearings, torque reaction arms.
Testing & Diagnostics – Hi-pot test, megger resistance tests, load box testing, voltage/current checks, event recorder retrieval via DDS.
Fault Codes – EM2000 and TCC diagnostic messages, EEPROM log interpretation, wheel-slip and adhesion control parameters.
Technical Highlights
| Parameter | Specification |
|---|---|
| Engine | 16-710G3B Turbocharged 2-Stroke Diesel |
| Power Output | 4000 HP (Gross), 3939 HP (Net) |
| Traction Type | AC (GTO inverter with DC link 600–2600 VDC) |
| Bogie Type | HTSC (High Tensile Steel Cast, C–C) |
| Traction Motors | Siemens 1TB2622 |
| Gear Ratio | 90:17 |
| Maximum TE | 540 kN (Stall) / 400 kN (Continuous) |
| Speed Range | 22.5 km/h – 120 km/h |
| Brake System | Knorr CCB1.5 (EP + Pneumatic) |
| Battery System | 64 V (Two 16-cell sets, 500 Ah) |
| Control System | EM2000 + DDS Diagnostic Display |
| Dimensions | Height 4.16 m / Width 2.92 m |
| Fuel Capacity | 6000 L |
| Cooling System Capacity | 1045 L |
| Lube Oil Capacity | 950 L |
📄 File Details
| Parameter | Information |
|---|---|
| File Type | PDF (Digital Download) |
| File Size | 84.5 MB |
| Page Count | 887pages (approx.) |
| Language | English |
| Edition | EMD S00171EP – Nov 1999 |
| Searchable Text | Yes (OCR Enabled) |
| Models Covered | GT46MAC Locomotives (IR Road Nos. 12001–12013) |
| Compatibility | Windows / macOS / iOS / Android |
| Publisher | Electro-Motive Diesel (EMD) / Indian Railways |
| Delivery | Instant Digital Download |
