Type B Vital Relays - Alstom

Description
LIST OF TABLES
Page
Table 1–1. Relay Sizes and Weights.......................................................................... 1–2
Table 1–2. Plugboard Dimensions ............................................................................. 1–5
Table 2–1. Typical Relay Contact Combinations........................................................ 2–5
Table 2–2. Coil Connections and Timing Characteristics ......................................... 2–11
Table 2–3. AC Microchron II Timer Relay Operating Characteristics ....................... 2–26
Table 2–4. Replaceable AC Motor Timers ............................................................... 2–28
Table 3–1. B Relay Pre-Installation Inspection Procedure ......................................... 3–1
Table 3–2. B Relay Installation Procedure ................................................................. 3–3
Table 3–3. Microchron II Timer Relay (DC) Installation Procedure ............................ 3–7
Table 3–4. Microchron II Timer Relay (DC) Surge Protection Installation
Procedure............................................................................................................ 3–12
Table 3–5. AC Microchron II Timer Relay Installation Procedure............................. 3–13
Table 4–1. Preventive Maintenance Intervals ............................................................ 4–2
Table 4–2. Typical B1 Relay Visual Inspection Procedure ......................................... 4–4
Table 4–3. Vane Relay Visual Inspection Procedure ................................................. 4–6
Table 4–3. Vane Relay Visual Inspection Procedure (Cont.) ..................................... 4–7
Table 4–4. Microchron II Timer Relay Visual Inspection Procedure........................... 4–7
Table 4–5. Miscellaneous Relay Visual Inspection Procedure ................................... 4–8
Table 4–6. Electrical Test Procedures...................................................................... 4–10
Table 4–7. AC Light-Out Relay Test Procedure ....................................................... 4–11
Table 4–8. AC Vane Relay Test Procedure ............................................................. 4–12
Table 4–9. Biased-Neutral Relay Test Procedure .................................................... 4–13
Table 4–10. Code-Responsive Relay Test Procedure ............................................. 4–14
Table 4–11. Code Rate Transmitter Relay Test Procedure...................................... 4–15
Table 4–12. Magnetic-Stick Relay Test Procedure .................................................. 4–16
Table 4–13. Microchron II Timer Relay Test Procedure........................................... 4–17
Table 4–14. Neutral Relay Test Procedure .............................................................. 4–18
Table 4–15. Polarized Relay Test Procedure........................................................... 4–19
Table 4–16. Power-Transfer Relay Test Procedure ................................................. 4–20
Table 4–17. Switch-Overload Relay Test Procedure................................................ 4–21
Table 5–1. Troubleshooting Symbols ......................................................................... 5–3
Table 6–1. Corrective Maintenance Procedures ........................................................ 6–1
Table 6–2. B Relay Removal and Replacement Procedure ....................................... 6–2
Table 6–3. Terminal Removal Procedure................................................................... 6–6
Table 6–4. Terminal Installation Procedure................................................................ 6–7
Table 6–5. Terminal Soldering Procedure.................................................................. 6–8
Table 6–6. Terminal Crimping Procedure................................................................... 6–9
Table 6–7. Insulator Removal and Installation Procedure ........................................ 6–10
Table 6–8. Current Test Terminal Wiring Procedure................................................ 6–11
P1457, Rev. Nov/07 vii Alstom Signaling Inc.