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GN Electric Operations continued

LEGEND FOR OPERATOR'S CAB (Plate A-120413)

1. Windshield Wipers

2. Windshield Wiper Valves

3. Order Light Switch

4. Number Light Switch

5. Marker Light Switch

6. Nose Light

7. Heater Switch No. 1

8. Heater Switch No. 2

9. Htr. and Def. Cir. Br'kr

10. Conductor's Valve

11. Door to Nose Comp't.

12. M-G Set Stop

13. Gage and Instrument Light Rheostat

14. Equalizing Voltmeter

15. Sync. Motor Ammeter

16. Speedometer

17. Generator Voltmeter

18. Field Ammeter

19. Armature Ammeter

20. Main and Eq. Reservoir Gage

21. Brake Cylinder and Brake Pipe Gage

22. Wheel Slip Buzzer

23. Trailer Alarm

24. Overspeed Whistle

25. Signal Whistle

26. Train Control and Safety Control Cock

27. Double Heading Cock

28. Automatic Brake Valve Handle

29. Independent Brake Valve Handle

30. Bell Ringer Valve

31. Reducing Valve

32. Feed Valve

33. Controlled Emergency Cock

34. Self Excitation Button

35. Sep. Excitation Button

36. Horn Button

37. Control Circuit Breaker

38. Order Light Switch

39. Headlight Circuit Br'kr.

40. Htr. and Def. Circuit Breaker

41. Heater Switch No. 1

42. Heater Switch No. 2

43. Sander Foot Switch

44. Heaters

45. Seat Stands

46. Meter Transfer Switch

47. Separate Excitation Light

48. Wheel Slip Light

49. JR Trip Light

50. PR Trip Light

51. Blower Grd. Relay Tripped

52. Hot Transformer Light

53. Blower Stopped Light

54. Overvoltage Relay Trip Light

55. Batt. Not Charging Light

56. Not Used

57. Push Button Switch Lock

58. Emergency Ground (Locked)

59. Pantograph Down

60. Rear Pan Up

61. Front Pan Up

62. Multiple Unit M-G Stop

63. Blowers Start Push Button Switch

64. Blowers Run Push Button

65. JR Hold Push Button

66. JR Reset Push Button

67. Mars Headlight Switch

68. Jog Switch

69. Oscillating Motor Switch

Page 85

DESCRIPTION

CONTROLLER OPERATING HANDLES

A. MAIN HANDLE

An Off position and 39 control notches are provided
on the Main Handle. The 1st notch establishes connections
for the direction of locomotive movement selected
and notches 2 thru 39 are for increasing tractive effort; or
in the event that separate excitation has been established,
to act as a control for the condition selected.

B. SEPARATE EXCITATION HANDLE

When separate excitation is desired this handle is
provided to establish that condition at any notch of the Main
Handle. Also, once that separate excitation has been
established, the Separate Excitation Handle can be moved
to provide either braking effort or tractive effort.

C. REVERSE HANDLE

Direction of locomotive movement is determined by this
handle which cannot be moved unless the Main Handle
and Separate Excitation Handle are in Off position and
MUST NOT BE MOVED WHILE LOCOMOTIVE IS IN MOTION.

D. SELECTOR HANDLE

This handle is used to pro-select either the High or Low-
speed connection in which the locomotive is to be operated.

E. INTERLOCKING BETWEEN HANDLES

1. Main Handle

a. Cannot be moved from Off notch unless the Reverse
Handle is in an operating position.

b. Cannot be moved from 1st to Off notch unless the
Separate Excitation Handle is in Off notch.

2. Separate Excitation Handle

a. Cannot be moved from Off position unless the
Reverse Handle is in an operating position and the Main
Handle is in one of its 39 operating notches.

b. Cannot move from 1st to E notch when locking
coil for Separate Excitation Handle is energized.

c. Can move from E to 31st notch and back to 1st
notch when locking coil for Separate Excitation Handle is
energized.

Page 86

DESCRIPTION

d. Cannot move from E notch to Off notch when
locking coil for Separate Excitation Handle is energized.

e. Can move from Off to E notch or from E to Off
notch when Separate Excitation Handle locking coil is
de-energized.

f. Cannot move from E to 1st notch when Separate
Excitation Handle locking coil is de-energized.

3. Reverse Handle

a. Cannot be moved from an operating position to
Off position unless the Main Handle and Separate
Excitation Handle are in the Off position.

4. Selector Handle

a. Can be moved from one position to another only
with Main Handle in the Off notch.

Controller operating handles - Plate A-120414

Page 87



Electrical Cabinet in Starting Position - Plate A-120437

Page 88