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MIL-T-53019(ME)
h.
Tilt the mast to the full forward position and return it to the full
rearward position.
i.
Drive the forklift back to the initial starting point.  This
constitutes one cycle of operation.
j.
250 cycles shall be performed making a right hand 90 degree turn,
and 250 cycles shall be performed making a left hand 90 degree turn.
k.
The lights, horn and key switch shall be operated after each 50
cycles of operation.
Inability of the forklift to lift the rated load, overheating, leakage of
fluid, malfunction, failure of any component, or failure to complete the
operation shall be cause for rejection of the forklift.  Normal battery
changes are permitted, when required, to conduct the test.
4.4.16  Stability.  Perform "forward stacking", "forward travel", "lateral
stacking", and "lateral travel" tilting platform tests in accordance with the
appendix.  Inability to attain the stabilities specified in 3.21.10 before
overturning shall constitute failure of the test.
4.4.17  Visibility.  Prepare a test course with 89 inch wide aisles.  One
aisle shall be 75 feet long with a 19 foot 90 degree intersecting aisle of the
same length.  Barriers 87 inches high, shall be placed continuously along both
sides of the aisles.  Place a 20-foot long, 43-inch wide, 43-inch high load on
the forks in the side carry position on the deck of the forklift.  Two
operators conforming to the 5th percentile female and 95 percentile male shall
be used.  The operators shall use only the viewing device while performing
this test.  Drive the forklift forward to the intersecting aisle.  Make a 90
degree right or left turn into the aisle and proceed to the end of the aisle.
Return the forklift to the starting point by driving it in reverse.  This
cycle shall be performed 10 times using alternate operators and alternate
right and left turns at the intersecting aisle.  Failure of the forklift to
negotiate the course or striking the barrier more than 2 times shall be cause
for rejection.
4.5  Production run-in .  Each forklift, carrying a rated load, shall be
subjected to a production run-in and servicing as specified in 4.5.1 thru
4.5.3.  Inability to complete the run-in, overheating, failure of any
components, malfunction of any control, or evidence of leakage of fluids shall
be cause for rejection of the forklift by the Government until such
deficiencies are corrected.
4.5.1  Travel.  Demonstrate starting. ascending and descending a 15 percent
ramp, steering, and high speed travel.  Operate all lights, horn, and the
brake system not less than two times during the demonstration.
4.5.2  Mast assembly.  Demonstrate maximum lifting and lowering speed,
forward and rearward tilt, sideshift, and pivot of the load.  Each operation
shall be performed at least three times with the rated load on the forks.
4.5.3  Servicing and adjustment .  Prior to delivery, the manufactuer shall
service and adjust each forklift for customer operational use, including at
least the following:
16

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