TM 5-4520-256-14
3-18.
AUDIBLE ALARM (EMI) MAINTENANCE.
This task covers:
a.
Removal
b.
Inspection
c.
Cleaning
d.
Installation
INITIAL SETUP:
Tools Required:
Tool Kit, General Mechanics
Materials Required:
Cleaning Solvent (Item 11, Appendix E)
WARNING
Cleaning solvent, Federal specification P-D-680, is toxic and flammable. Use only in a well-
ventilated area. Avoid prolonged breathing of fumes. Keep solvent away from flames. Do not
use in excessive amounts. Avoid skin contact.
Equipment Conditions:
Heater unit shut down and cool.
Power cable disconnected from power source.
Access door removed (para 3-10a).
a.
Removal.
(1)
Tag and then cut wires (3) near splice.
(2)
Remove retaining ring (1) and then remove audible alarm (2) from rear of panel (4).
Change 3 3-48
