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 TM 55-1905-223-24-18-1
2-42.
Test Electrical Horn.
This task covers:
a. Test
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Operating - TM 55-1905-223-10
TEST
a.
Set horn rotary switch to at-will position (3, FIGURE 2-33).
OFF
AT-WILL
POSITION
POSITION
2
1
Activate manual horn control and assure that horn responds loud and clear.
b.
c.
Set horn rotary switch to OFF (2).
Activate manual horn control and assure that horn does not operate.
d.
Set rotary switch (1, FIGURE 2-34) on sequential timer to position 1.
e.
2-268
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