3-27. WHEEL SLIP RELAY
This task covers:
Tool kit SC 4940-97-CL-E12
Dry-cleaning solvent (Item 30, Appendix B)
Variable dc voltage supply
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.
If wheel slip relay is suspected of being defective perform steps 24, 25, and 26 before removal.
Set battery switch to OPEN position. Disconnect wires from relay assembly.
Disconnect and remove power cables running through center of relay assembly.
Remove two bolts (1), lockwashers (2), and wheel slip relay (3).