TM 55-2210-224-12
4-22. ENGINE SYSTEM WARNING BUZZER
This task covers:
a.
Test
b.
Removal
c.
Installation
INITIAL SETUP
Tools
Tool kit SC4940-97-CL-E16
TEST
WARNING
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 equip-
ment. Do not be misled by the term LOW VOLTAGE.
Potentials as low as 50 volts may cause death.
1.
Remove thirteen screws (1), two panels (2), and gaskets (3).
2.
Open electrical equipment cabinet door and set battery switch to CLOSE.
3.
Use multimeter and test buzzer for 32 volts line voltage before removal. Set battery switch
to OPEN.
REMOVAL
4.
Remove screw (4) and remove cover (5) and gasket (6).
5.
Tag and disconnect electrical leads (7). Remove two nuts (8), lockwashers (9), screws
(10), and buzzer assembly (11).
4-55