4-35. STEP, ENGINE ROOM, GAGE, NUMBER, AND CAB LIGHTS AND WIRING
This task covers:
Tool kit SC4940-97-CL-E16
Electrical tape (Item 23, App E)
Remove rings, bracelets, wristwatches, and neck
chains before working around the locomotive.
Jewelry can catch on equipment and cause injury,
or may short across an electrical circuit and cause
severe burns or electrical shock.
High voltage is used in the operation of equipment.
Do not be misled by the term LOW VOLTAGE.
Potentials as low as 50 volts may cause death.
Open electrical equipment cabinet and set battery switch to OPEN.
Remove bulb and use a multimeter to check to see if voltage is reaching the light.
Use multimeter and check for voltage across switch.
Inspect electrical wiring for disconnected and broken wires.
Set the switch of the affected light to OFF.
Remove light bulbs as follows:
Step. Remove light bulb (1).
Engine Room. Loosen screw (2) and remove wire guard (3). Remove glass globe (4). Remove light bulb (5).