3-20. ENGINE HEATER RECEPTACLE
This task covers:
Tool kit SC 4940-97-CL-E12
(Item 30, Appendix B)
Remove electrical connections from jacket water heater.
Use a multimeter and perform a continuity test on the engine heater receptacle.
Use a megohmmeter and perform a resistance test on the engine heater receptacle.
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.
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.
Set battery switch to OPEN position.
Remove four screws (1) and pull engine heater
receptacle away from firewall.
Remove three screws (2).
Turn receptacle housing (5) counterclockwise
until slots on receptacle housing aline with
grooves on receptacle (4). Push receptacle
through receptacle housing.
Remove three setscrews (3).