TM 55-1930-209-14&P-12
4-18.2.8.2. Bulb replacement
a.
Remove lens and burned out bulb.
b. Install new bulb.
c.
Reinstall lens.
d. Check that strobe light comes on
4-18.2.8.3. Strobe light replacement
WARNING
Make sure telephone system is electrically dead before making repairs on strobe light. Open
circuit breaker 10P13A7 on emergency light panel and 3P14 on 24 Vdc power panel. Redtag circuit
breakers with: "WARNINGDO NOT ACTIVATE. REPAIRS BEING MADE."
a.
Remove lens and remove strobe light from mounting bracket.
b.
Tag and disconnect three wires from terminal block and remove wire cable from light.
c.
install cable to new light and connect tagged wires.
d.
Install new strobe light to mounting bracket and mount lens.
e.
Make sure strobe light operates normally.
4-18.2.9 Station buzzer
4-18.2.9.1 Test
a.
Close (ON) circuit breaker 10P13A7.
b.
Push buzzer switch on telephone station selector box.
c. Position station selector switch on telephone station selector box to station of buzzer malfunctioning.
d.
Check voltage at buzzer.
e.
If voltage is 115 Vac, replace buzzer as given in paragraph 4-18 2 9 2. If voltage is not 115 Vac, check
continuity of wires to buzzer. If open circuit exists, replace wire. If continuity exists, check station selector switch
on telephone selector box as given in paragraph 4-18 2.4 1.
4-18.2.9.2. Replacement
WARNING
Make sure telephone system is electrically dead before making repairs on strobe light. Open
circuit breaker 10P13A7 on emergency light panel and 3P14 on 24 Vdc power panel. Redtag circuit
breakers with: "WARNING DO NOT ACTIVATE. REPAIRS BEING MADE."
4-27
