M9 I&F

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Across
  1. 3. SECONDARY SUSPENSION (2 WORDS)
  2. 6. 3800A (ABBREVIATION)
  3. 7. PICK UP THE CODE FROM THE RAILS (2 WORDS)
  4. 10. DOOR STATION ACTIVE INDICATOR (2 WORDS)
  5. 12. ISOLATES BATTERY POSITIVE & NEGATIVE FROM THE CAR (3 WORDS)
  6. 18. LIGHT PRESSURE TO TAKE UP SLACK IN THE SYSTEM
  7. 21. SENDS FRICTION BRAKE COMMANDS TO POU'S (ABBREVIATION)
  8. 22. SIGNAL USED FOR POWER & BRAKE REQUESTS FROM MC
  9. 24. ENERGIZED WHEN 1 APS IS ABNORMAL
  10. 25. HVAC DEFAULT SETTING IF 1 APS IS ABNORMAL (3 WORDS)
  11. 27. HTDCF
  12. 28. 240V/3-PHASE COMPONENT, B-CAR ONLY (ABBREVIATION)
  13. 30. PROTECTS 240V CB'S IN INTERIOR EQUIPMENT LOCKER (ABBREVIATION)
  14. 31. ATC OPERATIVE INDICATOR (2 WORDS)
  15. 32. 2 OF THESE IDENTICAL UNITS ARE ON THE SAME SIDE, A-CAR ONLY (2 WORDS)
  16. 33. 1 OF THESE PER CAR, EXTERIOR BELOW R1 DOOR
  17. 34. PROVIDES 90 ADDITIONAL MINUTES OF EMERGENCY LIGHTING (ABBREVIATION)
  18. 35. HSCB PROVIDES PROTECTION FOR _____
  19. 36. SPRING APPLIED, AIR RELEASED
  20. 38. 1500A COMPONENT LOCATED BELOW THE MKS (2 WORDS)
  21. 39. 420A (2 WORDS)
Down
  1. 1. 14 PSI LIGHT PRESSURE ON ___DURING INSHOT (ABBREVIATION)
  2. 2. PARKING BRAKE APPLIED INDICATOR (3 WORDS)
  3. 3. APPB
  4. 4. SERVICE BRAKES RELEASED INDICATOR
  5. 5. 4 OF THESE RATED FOR 1500A PER CAR (2 WORDS)
  6. 8. APCS
  7. 9. EVERY SIDE DOOR HAS 2 OF THESE (2 WORDS)
  8. 11. LOCATED NEXT TO THE ABSOLUTE STOP BYPASS (3 WORDS)
  9. 13. LOCAL DOOR OPEN INDICATOR
  10. 14. 5 PSI LIGHT PRESSURE ON ___ DURING INSHOT (ABBREVIATION)
  11. 15. ACTIVATED BY KEY SWITCH ON BACK PANEL (3 WORDS)
  12. 16. EXTERIOR CREW SWITCH POSITIONS (3 WORDS)
  13. 17. 10 OF THESE THROUGHOUT A CAR (2 WORDS)
  14. 19. BWL
  15. 20. SERVICE BRAKE APPLIED INDICATOR
  16. 23. CUTTING OUT THE SBCO WILL ALSO CUT THIS OUT (ABBREVIATION)
  17. 26. LOCATED IN BPCU (3 WORDS)
  18. 29. DOOR DISABLED INDICATOR (2 WORDS)
  19. 37. 2 OF THESE IDENTICAL UNITS PER CAR PERFORM BRAKING FUNCTIONS (ABBREVIATION)