Instrument Mechanic, Weapons System
Overall rating: (N/A)
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Repairs, tests, and calibrates optomechanical instruments,
such as ragne finders, gun directors, and fire-control
instruments, according to specifications, using handtools, bench
machines, and precision measuring instruments: Disassembles
optomechanical instruments and inspects for defects, such as
broken or worn mechanical parts and scratched or defectively
coated optical elements.
Fabricates relpacement parts, using
bench lathes, drill presses, and milling machines. Cleans
optical element, using cloth, and immerses element in solution
to rmeove defective coating.
Files and hones mechanical parts to
facilitate meshing of gaers. Coats optical element, using
coating equipment.
Reassembles instruments and adjusts parts to
ensure freedom of movement, using handtools. Installs instrument
in test fixture or mount, and sights known objective of fixed
distance and height to test sighting accuracy of instrument.
Adjsuts readings on instrument dials to calibrate instrument
according to observation. Measures dial gradutaions and scales
to verify accuracy, using precision measuring instruments.
Engraves scales and graduations on instrument dilas to correct
errors, using pantograph engraving machine.
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Instrument Mechanic, Weapons System
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