MIL-DTL-27443F (USAF)
4.5.5 Lifting capabilities tests.
4.5.5.1 Corner hoist test. The pallet shall be completely raised off the floor (see 3.4.4.1), held in that
position for 1 minute, and then returned to the floor. This procedure shall be repeated 10 times. For
sample testing, the test load procedure shall be reduced on each test sample to 2 times. During the test,
any separation of the mitered corners shall be cause for rejection. Upon completion of the test,
evidence of permanent deformation shall be cause for rejection (see 3.4.4.1).
4.5.5.2 Forklift lifting test. The pallet shall be raised according to (see 3.4.4.2) to a height of 1 foot
and held 1 minute, then lowered to rest on the conveyor. This procedure shall be repeated 10 times.
At the completion of the tests any permanent deformation shall be cause for rejection.
4.5.5.3 Forklift "wedge" lifting test. The pallet shall be raised according to (see 3.4.4.3) until it clears
the floor. The pallet shall then be lowered to the floor and forklift tines withdrawn. This test shall be
conducted 5 times from each side of the pallet. Upon completion of the tests, any evidence of
permanent deformation shall be cause for rejection.
4.5.6 Traversable capabilities tests.
4.5.6.1 Conveyor test. According to (see 3.4.5.1), the pallet shall be subjected to the following tests.
Any permanent deformation of the pallet shall be cause for rejection.
a. The Type I pallet shall be moved a minimum of 10,000 feet in a direction parallel to the 108-inch
dimension at a minimum speed of 30 feet per minute (fpm). Any increment of movement shall be a
minimum of 25 feet.
b. Type I pallet shall be moved a minimum of 15,000 feet in a direction parallel to the 88-inch
dimension at a minimum speed of 30 fpm. Any increment of movement shall be a minimum of 25
feet.
c. The Type II pallets shall be moved a minimum of 15,000 feet in a direction parallel to the 54-
inch dimension at a minimum speed of 30 fpm.
4.5.6.2 Conveyor ramp test. According to (see 3.4.5.2), the pallet shall be towed up and over a 17o
10-foot long conveyor ramp connecting two horizontal conveyors. The pallet shall then travel back
over the ramp and onto the lower horizontal conveyor. This procedure shall constitute one cycle.
Throughout this test, the minimum towing speed of the pallet shall be 20 fpm. This test shall be repeated
30 cycles, 10 cycles in a direction parallel to the longest dimension and 20 cycles in a direction parallel
to the shortest dimension. The ramps shall be constructed of roller conveyors as specified (see
3.4.5.1).
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