MIL-PRF-14516G
4.4.2 Preventive maintenance checks and services (PMCS) inspection. Configure the heater for
operation. Perform a walk around inspection of the heater, verify a secure fuel control connection,
the fuel supply for proper connection, fuel leaks, and general operating condition. A thorough
examination shall not exceed 10 minutes.
4.4.3 Transportability tests. Verify the heater is no higher than 35 inches tall.
4.4.3.1 Loose cargo test. The heater shall be subject to loose cargo testing IAW the
requirements and conditions set forth in MIL-STD-810, Method 514.4, Category 3, Procedure III.
(1) Visually check all contents and functionally check the heater.
(2) Place the heater, outside of it's original packaging box, on a tester using fences and a
plywood bed configured IAW MIL-STD-810. The package tester speed shall be 300 " 2 RPM. Total
test time of 45 minutes shall be divided into the four major loading configurations by stopping the
test and rotating the heater 90 degrees and continuing the test as needed.
(3) Upon completion of the 45 minutes of testing, perform a visual and a functional check of
the heater and components.
Any component damage, which prevents the heater from operating after loose cargo testing, or
any damage on the heater or accessories which may lead to unsafe operation shall constitute a test
failure.
4.4.3.2 Drop testing. The heater shall be subject to drop testing as follows:
(1) Visually check all contents and functionally check the heater.
(2) Suspend the heater, outside of it's original packaging box, by a drop hook such that the
desired edge, corner or face is 24 inches from the impact surface. The drop hook shall be triggered
allowing the heater to free fall to the drop surface.
(3) The drop surface shall be a packed dirt surface.
(4) Perform a total of four drops on the bottom edge, at four different impact surfaces located
90 degrees apart.
(5) Upon completion of the drop testing, perform a visual and operational check.
Any component damage which prevents the heater from operating after drop testing or any
damage on the heater or accessories which may lead to unsafe operation shall constitute a test
failure.
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