TM 55-2210-224-34
3-21. TIMER
This task covers:
a. Removal
b. Test
c. Installation
INITIAL SETUP
Tools
Test Equipment
Tools SC4940-97-CL-E12
Variable dc voltage supply
REMOVAL
WARNING
•
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.
1.
Open electrical equipment cabinet
door and set battery switch to OPEN.
2.
Tag and disconnect three wires from
timer (3).
3.
Remove four screws (1), flat washers
(2), and timer (3).
3-65
