TM 55-2210-224-12
4-21. MULTIPLE-UNIT ENGINE SYSTEM WARNING BELL
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 five screws (1), panel (2), and gasket (3).
2.
Open electrical equipment cabinet door and set battery switch to CLOSE.
3.
Use multimeter and test bell for 32 volts line voltage before removal. Set battery switch to
OPEN.
REMOVAL
4.
Remove nut (4). Tag and disconnect electrical leads (5) and remove bell assembly (6).
5.
Remove four screws (7) and backing plate (8).
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