Section II. MAINTENANCE ALLOCATION CHART
Maintenance functions
Tools and
Remarks
(c)
equipment
Group
Component assembly
(d)
(e)
Number
nomenclature
(a)
(b)
1
Headset-Microphone 19LB-87
O
O
O
-
-
-
-
O
-
-
-
1
Operational test
and visual
inspection.
Replace
whole unit if
defective.
Service by
cleaning ear
seals.
Replace ear
seals as
needed.
...
F
-
-
-
-
-
-
F
-
-
2,3,4
Repair by
replacing
defective
microphone
assembly,
earphone
assembly,
and/or
electrical
cord, together
with attaching
hardware.
...
Not
recommended
for overhaul or
rebuild.
1A1
Headset-Earphone Assembly
O
-
-
-
-
-
-
-
-
-
-
-
Visual
(includes left and right
inspection.
dome assemblies and
F
-
-
-
-
-
F
-
-
2,3,4
Repair by
headband assembly).
replacing
defective
component.
1A2
Microphone Assembly
O
-
-
-
-
-
-
-
-
-
-
-
Visual
(microphone element
inspection.
and boom guide plus
F
-
-
-
-
-
-
F
-
-
2,3,4
Repair by
associated wiring).
replacing
defective
component.
1A3
Telephone Plug Cord
O
-
-
-
-
-
-
-
-
-
-
-
Visual
inspection.
...
F
-
-
-
-
-
-
F
-
-
2,3,4
Repair by
replacing
defective
component.
Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS
Tool or test
equipment
Maintenance
Federal stock
Tool
reference code
category
Nomenclature
number
number
1................................. O ........................ Tool Kit TK-101/G ..................... 5180-064-5178
2................................. F......................... Tool Kit TK-100/G ..................... 5180-605-0079
3................................. F......................... Multimeter TS-352B/U .............. 6625-242-5023
4................................. F......................... Tool Kit TK-105( )/G................. 5180-610-8177
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