MIL-DTL-46796D
less than 30 minutes in each direction, with full and one quart low oil level conditions in the
sump, on longitudinal grades or lateral slopes up to 60 % in all directions, and, as a result of said
operation, no evidence of faulty lubrication, cooling, fuel supply, leakage, or other malfunction
shall be found (see 4.6.11).
3.7 Submersion. The engine, with intake and exhaust ducted to the atmosphere, and with
the applicable crankcase fording kit installed, shall operate for a period of 30 minutes while
completely submerged in either fresh or salt water, and while still submerged shall restart after
being stopped for 3 minutes and then operated for an additional 15 minutes. At the conclusion of
operation a maximum of one percent water contamination in the lubricating oil is permissible
(see 4.6.12).
3.8 Stream and water jet cleaning. The engine and all its components shall withstand
cleaning with high pressure steam using an alkaline cleaning compound and water jet, without
deterioration of seals or hoses, water leakage past seals or gaskets, or other defects. Paint
removal shall not be considered a deficiency (see 4.6.13).
3.9 Exterior surface treatment. All exposed exterior surfaces of the engine and its
components shall be cleaned, treated, and painted to provide corrosion resistance (see 4.6.14).
3.10 Engine nameplate. The engine nameplate, data, and instruction plates shall be in
accordance with manufacturer s specifications, unless otherwise shown on the applicable
drawings (see 4.6.15).
3.11 Workmanship. The workmanship shall be such quality as to assure that engines
procured under contract meet all requirements specified herein. The engines produced shall be
free of any defects or safety hazards which affect its performance or serviceability (see 4.6.16).
4. VERIFICATION
4.1 Classification of inspection. The inspection conditions specified herein are classified
as follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.3).
4.2 First article inspection. Unless otherwise specified (see 6.2), first article inspection
shall be performed on preproduction or initial production samples as specified when a first article
sample is required (see 3.1). This inspection shall include the examinations of 4.4 (see table IV)
and the applicable tests of 4.6.1 through 4.6.16 (see table V).
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