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Y1-03-0146E 9
Battery preventive maintenance visual checks will be performed during
initial and periodic inspections of the light.
4. Preventive Maintenance Checks
WARNING: Do not perform preventive maintenance in a
flammable atmosphere or near an open flame.
a. MS-2000(M) Distress Marker Light
(1) Check that the xenon flash tube lens is not cracked or discolored.
(2) Check both the main body and flashguard shield cases for cracks or
excessive abrasions.
(3) Check for full and free operations of both the IR and Blue light
filters.
(4) Check that the IR and Blue filters are not cracked and discolored.
(5) Check that the light switch moves up and down freely.
(6) Check that the battery wells are free of dust and are clean.
b. BA-3058/U Battery (or equivalent) 1.5V, AA, Alkaline.
(1) Check the battery case for cracks, swelling or leakage. Replace as
necessary.
(2) CAUTION: Do not mix different battery brands.
(3) CAUTION: Do not mix old and new batteries.
(4) CAUTION: Do not mix different battery types, e.g., lithium and
alkaine.
(5) Replace batteries if device is used on a mission or annually.
5. Alignment
No alignment procedures or special inspection requirements must be
performed on the MS-2000(M).
6. Periodic Inspection Requirements
Normally the MS-2000(M) and associated batteries will be inspected
concurrently with other equipment installed in aircraft/ejection seat
survival kits, aircrew survival vest or other special requirements. Such
inspection intervals will be as specified by respective MAJCOM/agency
life support directives. Periodic inspections will include both flash rate
and preventative maintenance checks. See previous sections for details.
Record inspection dates per MAJCOM/agency procedures and
directives.