TM 9-6695-274-14
(a) Mounting clamps should be securely
(1) Forms and reports. For authorized
attached to pins or terminals and hold cables and wires
firmly without pinching.
Preventive maintenance logs, if available, will be
examined to determine the general maintenance
(b) Wiring should not be broken or kinked,
background of the materiel. A record of progressive
or have sharp bends.
repairs may indicate a defective unit, while a record of
(c) Insulation should be free from breaks,
regular preventive maintenance may indicate the unit is
cracks, tears, cuts, abrasions, oil, grease, burns, and
in excellent condition.
fungus growth and should not be broken or pulled
(2) Modification work orders. Check to
loose from connections.
ensure that unauthorized alterations have not been made
(d) Lacing should be tight, neat, and not
and that no work beyond the authorized scope of the unit
broken or frayed.
is being attempted.
(e) Insulation sleeving, wire, and cable
markers should be present and legible.
b. Inspection of Mechanical Components
(2)
Fuses. Fuses should be securely installed,
Examine
all
not blown, and must be of the correct type and ampere
components and accessories thoroughly to ensure that
rating.
the AN/GSM-286/287 is complete.
(3)
Indicator Lights and Lamps
(2) Appearance. The overall appearance
of the item is an indication of its general condition and
(a) The correct light or lamp should be
the type of treatment it has received. Examined the item
installed, securely sealed, and not broken.
to ensure that there are no dented surfaces, bent or
(b) The protective glass or cap should be
broken parts, and other evidence of damage or misuse
securely seated and not broken or cracked.
which might indicate a need for repair.
(3) Nameplate, charts, and indexes.
(4)
Control Knobs
Inspect the item to ensure that scale numbers, charts,
divisions and indexes, and lettering on cautions,
(a) Control knobs should be securely
directions, and nameplates are clearly defined and easily
attached to their respective shafts.
read.
(b) Knobs should not be broken, cracked,
(4) Paint and finish. Inspect the item for
or chipped.
damaged finish, which exposes bare metal surfaces and
(c) Knobs should operate smoothly in all
may permit corrosion and spot paint as required. If the
directions.
finish is in serious need of repair, take corrective action
to prevent corrosion and if necessary, return the item to
(5)
Meters
a depot for refinishing.
(5) Lubrication. All assemblies and parts
(a) Meters should be securely installed.
requiring lubrication should be lubricated and operating
(b) Windows should not be broken,
properly. Refer to appropriate manufacturer's manuals
cracked, scratched, or discolored. Pointers should not
for lubrication instructions.
be broken or bent and should be resting at a zero-
reference mark.
c. Inspection and Electronic Components
(6)
(1)
Cables and Wires
be securely attached to their respective shafts.
3-4