excess of 3/8-inch deep and not more than 2 dents in any
Note. Hourmeter shall not be turned back.
6 inch square area are acceptable. Vertical exhaust pipes
c. In the event overhaul or modification data have
shall be protected by raincap or trap.
exceeded stamping space on the data plate, the plate
27. Fuel Tanks (Vehicular). Fuel tanks shall be free of
shall be replaced and all pertinent data shall be
transferred to the new plate. Replacement data plates
Filter element (if used) and cap with gasket must be
shall be in accordance with MIL-P-514.
complete. Vent shall be open. Strainer shall be clean.
Note.
Stamping directly on the surface of
Distortion in the form of waves, sags, and bulges shall not
mounted data plates of any component or assemblies is
exceed 3/16 inch per 1 foot. Single dents not in excess of
prohibited.
3/8 inch depth with not more than 1 per 10 inch square
d. When equipment is received for overhaul and total
area are acceptable. Reclaimed steel tanks shall be
hours since last overhaul are not available, every effort
cleaned with inhibited hydrochloric acid (MIL-M-13528)
shall be made to obtain this information.
and coated with aromatic fuel resistant lacquer (MIL-M-
24. Electric Motors. This includes generator assemblies
6047).
(other than engine accessories), switches, receptacles,
28. Glass. An airtight seal shall be provided between
instrument and interior lights. Switches shall not be
panes of double glazed windows. Minor discoloration
burned, corroded or show signs of wear.
which extends not more than 2'inches from edge of glass
Wiring terminals shall be clean and tight. Entire circuits
is acceptable on side and rear windows and on right half
shall be checked for frayed, missing, burned, chafed,
of windshield, discoloration on the left side of windshields
broken, cracked, bare, cut or deteriorated wiring.
is not acceptable. Slight scratches not more than 3
Connections shall be tight and free from dirt, rust and
inches from edge of glass and scattered hairline scratches
corrosion. All electrical wiring shall be circuit tested.
in other areas, except in drivers or operators immediate
Insulation shall be oil, fungus and waterproof.
All
vision, are acceptable. Cracks are not acceptable. Metal
electrical wiring shall be properly mounted. Repairs shall
frames surrounding windows and windshield glass shall be
be made in a neat manner, resulting in good appearance.
free from rust and shall grip glass firmly. Minor pitting or
Plastic or neoprene tape may be used for repairs. No
etching of frames is acceptable but all rust shall be
electrical connections, wiring or components shall be
removed. Only approved safety glass shall be used.
painted unless otherwise specified. Electric motors and
Mirror glass shall not be discolored as to impair vision to
generator assemblies shall not show excessive end play,
the degree that objects within 50 yards to the rear are
excessive vibration, worn brushes or worn commutator.
indistinct. Metal body and mounting parts shall not be
Frames shall not be cracked or broken. Wiring and
damaged.
cables shall be free of dirt, grease and oil.
29. Hatch. Operate to assure proper opening and
25. Electrical System. This includes the following parts
closing. Inspect seals. The hatch and cargo ramp sealing
and engine accessories: starter, alternator, switches,
areas shall prevent any water from entering the
lights, horn, instruments, circuit breakers, gages, relays,
amphibious equipment compartments.
wiring, plugs, commutators, armatures, collector-ring,
30.
a.
brushes, pigtails, brushholders, insulators, field coils and
Hourmeter. Hourmeter shall not be turned back or reset
insulation of all rotating equipment; throttle or controller
to zero at time of overhaul. The hourmeter shall function
contacts, air operated contactors, reverser, relays, voltage
properly; dial, glass or plastic shall be free of cracks,
and load regulators and interlocks of the control circuit
scratches, and discoloration which from any angle impairs
should be in good condition and free of any obvious
reading. Unserviceable hourmeters shall be repaired or
defects. Apply a Dielectric, Insulation or Megger Test
replaced. Operating hours shall be entered in log book in
when applicable. Generator (alternator), regulator, and
accordance with TM 38-750 at time of repair.
battery cables shall be tagged as to system voltage and
b. Speedometer. Inspect to assure satisfactory
be replaced if damaged or worn to less than 75 percent of
operation.
The speedometers shall function without
original length. Wiring and components shall be treated
erratic pointers. Odometer shall not be reset to zero at
with varnish, MIL-V-173 or expoxy. Sealing compound,
time of end item overhaul. Dial, glass or plastic shall be
MIL-S-8516C shall be packed into openings between wire
free from scratches, cracks or discoloration which from
and connector plugs that may admit water or salt air.
any angle impairs reading. Mileage data shall not be
stamped on the vehicle data plate.
Unserviceable
speedometers shall be repaired or replaced.
of cracks, leaks, holes (other than drain), scaly rust, loose
baffles, and shall not be bent or distorted to the extent
that it restricts flow of exhaust gases. Single dents, not in
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