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|  MIL-C-62310A(AT)
4.7 Conformance verification.
4.7.1 Seals examination. To determine conformance to 3.4.1, prior to and after fording and
amphibious operations, the vehicle shall be examined for lubricant leakage and water
contamination.
4.7.2 Special equipment tests.
4.7.2.1 Winterization equipment test. To determine conformance to 3.4.2.1, provisions for
installation of winterization equipment shall be examined for completeness. When specified,
winterization equipment shall be installed, the vehicle operated at the specified temperatures, and
equipment evaluated for functional requirements.
4.7.3 Doors, and covers examination. To determine conformance to 3.4.3, and 3.4.3.2, all
doors and covers shall be operated, and examined for functional requirements.
4.7.3.1 Hatches and vision devices. To determine conformance to 3.4.3.1, all hatches shall
be operated and examined for functional requirements. Vision devices shall be installed in their
proper receptacles, examined for proper fit and observed during and after vehicle operation.
With all hatches closed and vision devices properly installed, a spray of water shall be directed
on the hatches and vision devices from an open hose with a line pressure of not less than 35 psi
at a rate of 10 gallons per minute for a period of 3 minutes. Leakage shall not exceed an average
of 10 drops per minute collectively.
4.7.3.2 Covered extension lightproofness test M577A2). To determine conformance to
3.4.3.3, the covered extension, assembled and attached to vehicle, shall be subjected to a
lightproofness test. A lighted, white frosted 100 watt incandescent lamp shall be placed one foot
away from inside wall of cover, and observed for light visibility at the specified distance and
conditions of darkness.
4.7.3.3 Covered extension wind resistance test (M577A2). To determine conformance to
3.4.3.3.1, covered extension shall be subjected to a steady wind pressure of 40 mph for not less
than 10 minutes.
4.7.3.4 Covered extension stowage test (M577A2). To determine conformance to 3.4.3.3.2,
all covered extension items shall be stowed on the vehicle as specified on applicable drawings to
verify proper fit and that they do not interfere with operation of the vehicle.
4.7.4 Engine test. To determine conformance to 3.4.4, the engine shall be operated
throughout all speed ranges, and examined for proper installation and absence of leakage of
lubricants, fuel and coolants. Prior to assembly and installation, all coolant, lubricant, and fuel
lines shall be examined to insure internal cleanliness.
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