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 TM 55-1905-220-14-9
4-47. INTERIOR COMMUNICATION SYSTEM- MAINTENANCE INSTRUCTIONS
a.
The following is an index to the maintenance procedures.
DESCRIPTION
PARAGRAPH
Amplifier/Loudspeakers
Sound Powered Phones
Loud Hailer
Call System Major Components
Voice Tube
b.
Refer to paragraph 4-48 for the alarm switchboard.
4-47.1. AMPLIFIER/LOUDSPEAKER - MAINTENANCE INSTRUCTIONS.
This task covers:
a. Inspection
b. Test
c. Repair
INITIAL SETUP
Test Equipment
References
NONE
NONE
Equipment
Special Tools
Condition
Condition Description
Para
NONE
NONE
Material/Parts
Special Environmental Conditions
NONE
NONE
Personnel Required
General Safety Instructions
1
Observe WARNING in procedure.
4-1181
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