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 TM 55-1905-223-24-18-1
2-43.
Replace Electrical Horn.
a. Removal, b. Replacement.
This task covers:
INITIAL SETUP
Equipment Condition
Tools
Electrical power turned OFF at
Tool kit, general mechanic's,
Emergency lighting panel EL-102 and
switch tagged "Out of Service - Do
T o o l kit, electrician's,
Not Operate."
Materials/Parts
Electrical horn P/N KB-20
Warning tags, Item 1, Appendix C
REMOVAL
Remove hexagon head cap screws (2), flat washers (3), and self-locking
a.
hexagon nuts (4) holding access cover (1) in place.
Remove access cover (1).
b.
c. Tag and disconnect electrical leads (5) to horn.
Remove self-locking hexagon nuts (7) and flat washers (6).
d.
Remove electric horn.
e.
a. Attach electric horn with self-locking hexagon nuts (7) and flat washers (6).
Remove tags and connect electrical leads (5) to horn.
b.
Replace access cover (1) and attach with hexagon head cap screws, flat
c.
washers (3) and self-locking hexagon nuts (4).
Remove tag and turn on electrical power at the emergency lighting panel.
d.
2-270
Change 1
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