3.6.2 Limiting operating temperatures. The engine shall not exceed the following
temperatures when operating at full load throughout the speed range of engine under any
conditions specified herein (see 184.108.40.206):
a. Oil sump 260°F (127°C) (measured at the drain plug).
b. Coolant 210°F (99°C) (measured at engine coolant outlet) without
pressurized coolant system.
3.6.3 Steam and water jet cleaning. The engine and all its components shall withstand
cleaning with high-pressure steam and alkaline steam cleaning compounds and water jet, without
deterioration of seals or hoses, water leakage past seals or gaskets, or other defects. Paint
removal shall not be a basis for rejection under this requirement (see 220.127.116.11).
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows:
a. First article inspection (see 4.1.1).
(1) Preproduction inspection.
(2) Initial production inspection.
b. Conformance inspections (see 4.1.2).
4.1.1 First article inspection. Unless otherwise specified (see 6.2), first article inspection
shall be performed on preproduction or initial production when required by the contract. When a
first article inspection is required (see 3.1 and 6.2), it includes the verifications listed in table III.
18.104.22.168 Preproduction inspection. The preproduction sample shall consist of two diesel
engine assemblies. Preproduction inspection shall consist of examination as specified in table III.
22.214.171.124 Initial production inspection. The Government shall select two units, from the
first ten engines produced under the production contract for initial production. Initial production
units shall be examined as specified in table III.
4.1.2 Conformance inspection. Conformance inspection shall include the verifications
listed in table III.
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