GM4000A™ Switch Machine - Alstom

6. SECTION 6 – CORRECTIVE MAINTENANCE ...................................................... 6-16.1. GENERAL ......................................................................................................... 6-16.2. REMOVAL AND REPLACEMENT PROCEDURES........................................... 6-16.2.1. Covers ............................................................................................................ 6-26.2.2. Cross Brace .................................................................................................... 6-36.2.3. Controller ........................................................................................................ 6-46.2.4. DC Motor and 172:1 Gear Box ....................................................................... 6-66.2.5. Main Drive....................................................................................................... 6-96.2.6. Motor Limit Switch(es) .................................................................................. 6-126.2.7. Cam Bar Detection Switch ............................................................................ 6-136.2.8. Hand Throw Cutout Switch ........................................................................... 6-156.2.9. Hand Crank Cutout Limit Switch ................................................................... 6-176.2.10. Hand Throw Module...................................................................................... 6-206.2.11. Latch Stand(s) .............................................................................................. 6-266.2.12. Lock Rod....................................................................................................... 6-276.2.13. Point Detector System Module ..................................................................... 6-286.2.14. Point Detector Switch Module....................................................................... 6-376.2.15. Point Detector Rod........................................................................................ 6-396.2.16. Point Detector Rod Bushing.......................................................................... 6-416.2.17. Throw Bar ..................................................................................................... 6-436.2.18. Throw Bar and Lock Rod Wear Plate Assembly ........................................... 6-456.2.19. Condensation Heater .................................................................................... 6-476.2.20. Motor Gear Box Heater................................................................................. 6-487. SECTION 7 - PARTS CATALOG ........................................................................... 7-17.1. GENERAL ......................................................................................................... 7-17.2. PARTS LISTS.................................................................................................... 7-1A. APPENDIX A - DRAWINGS...................................................................................... 1A.1. OVERVIEW .......................................................................................................... 1A.2. WIRING AND CIRCUIT APPLICATIONS ............................................................. 2A.2.1. 2-Wire Configuration For Replacement of Alstom Model 55E SwitchMachines ........................................................................................................... 2A.2.2. 3-Wire Configuration For Replacement of Alstom Model 5E & 5F SwitchMachines ........................................................................................................... 3A.2.3. 3-Wire Configuration For Replacement of US&S Model M23A or M3 SwitchMachine ............................................................................................................. 5A.2.4. 4-Wire Configuration For Replacement of Alstom Model 5G and 5H SwitchA.2.5.Machines ........................................................................................................... 65-Wire Configuration For Replacement of US&S Model M23A, M23B, or M3Switch Machines................................................................................................ 8A.2.6. Terminal Block Pin Outs .................................................................................. 10A.2.7. Secondary Point Monitor Circuit ...................................................................... 11A.2.8. Typical Polarized Switch Circuits ..................................................................... 12A.2.9. Typical Neutral Switch Circuits......................................................................... 17A.2.10. GM4000A Wiring Diagram ............................................................................... 21P2496, Rev. 6, Jul/11 iv Alstom Signaling Inc.