| . |
I. TRACK CIRCUITS |
| . |
A. REQUIREMENTS |
| 17.1 |
Types of Track Circuits |
| 17.2 |
Minimum Length |
| 17.3 |
Series connection of tracks |
| 17.4 |
Track relays |
| 17.5 |
Permanent way requirements of track circuits |
| . |
B. INSTALLATION |
| 17.6 |
Location of track relays |
| 17.7 |
Loading of track relay contacts |
| 17.8 |
Jumper connections |
| 17.9 |
Lead Wires |
| 17.10 |
Bond Wires and Rope Wires |
| 17.11 |
Track Circuit Termination |
| 17.12 |
Cut Section (fed over) arrangement of Track Circuits |
| 17.13 |
Insulated Rail Joints |
| 17.14 |
Track Indicators |
| 17.15 |
DC Track Circuits |
| 17.16 |
AC 50Hz/ 83.33 Hz Track Circuits |
| 17.17 |
AC 50 Hz Track Circuits with Vane type Relays |
| 17.18 |
AC 50Hz/ 83 -1 Hz Track Circuits with Motor type Relays |
| 17.19 |
Audio frequency Track Circuits |
| 17.20 |
High Voltage Impulse Track Circuits |
| . |
C. MAINTENANCE |
| 17.21 |
General |
| 17.22 |
Track Relays |
| 17.23 |
Insulated Rail Joints |
| 17.24 |
Detection of faulty insulated joint |
| 17.25 |
Stretcher Bars and Point Rodding Connections |
| 17.26 |
Bond Wires/Rope Wires |
| 17.27 |
Jumper Connections |
| 17.28 |
Ballast |
| 17.29 |
Drainage |
| 17.30 |
Joint Inspection of Track by S&T and Permanent Way Inspector |
| 17.31 |
Train Shunt |
| 17.32 |
Track Circuit Test Record Card |
| 17.33 |
Track Batteries/Track Feed Apparatus |
| 17.34 |
Limiting Reactance of AC track circuit |
| 17.35 |
Measurement of Phase Angle of AC track circuit |
| 17.36 |
Raking out of cinders |
| 17.37 |
Rusty Rails |
| . |
II AXLE COUNTERS |
| . |
A. REQUIREMENTS |
| 17.38 to 17.42 |
Composition, application |
| . |
B. INSTALLATION |
| 17.43 |
Installation of track devices and trolley protection track circuit |
| 17.44 to 17.47 |
Resetting of axle counter |
| 17.48 |
Protection for axle counter block working |
| 17.49 |
Fixing of double rail mounted track device |
| . |
C. MAINTENANCE |
| 17.50 to 17.53 |
Maintenance instructions and practices |
| Annexure 18 |
Centralization of DC shelf type track relays |
| Annexure19 |
Track circuit test record card |
| Annexure 20 |
Track circuit test card |
| Annexure 21 |
Maintenance card - Jeumont track circuit |
| Annexure 22 |
Maintenance Instructions for Axle Counter |
| Annexure 23 |
(Left blank Intentionally) |