MIL-T-14537G
b.
7.00 X 16 single or dual tire and wheel assembly.
c.
The above tire/wheel assemblies shall include hub, brakedrum, or disc
bearings, cups, races, dual wheels, rims, tires and tubes (if applicable)
and all necessary bolts, nuts, retainers, and fasteners.
The wheel lift truck shall be used to remove, replace, and rotate the wheel and tire
assemblies in accordance with the manufacturer's instructions without endangering
the operator or damaging the tire, wheel assembly, or axle assembly. The wheel lift
truck shall be used to lift from both sides (inboard and outboard of the demounted
dual wheel assembly). Function components of the wheel lift truck shall be capable
of being manually operated and controlled by one person. During the function
testing, the 14.00 x 24 or larger dual tire and wheel assembly shall be held
securely using the wheel retaining device per 3.6.5. After removal, while the dual
14.00 x 24 or larger wheel and tire assembly shall be held securely using the wheel
retaining device as specified in 3.6.5. After removal, while the dual 14.00 by 24
or larger wheel and tire assembly is on the lift truck, it shall be lowered to the
floor (to verify 3.6.3 requirement), then raised at least 4.25 inches from floor
level (without external adjustment), and then conveyed for at least 50 feet on a
hard level surface floor without tipping or overturning. Then, the wheel lift truck
shall be positioned and removed without interference when the wheel assembly is
resting on the floor, after which the tire and wheel assembly shall again be placed
on the lift truck. The dual tire and wheel assembly shall be rotated in accordance
with requirements as specified in 3.6.3. The dual tire and wheel assembly shall
then be installed on the vehicle axle spindle. At the conclusion of this test, the
wheel lift truck shall show no evidence of damage or be permanently deformed in any
way. The wheel lifting supports shall not have deformed permanently more than 0.03
inch in any direction at the support extremities in accordance with 3.6.4.
4.5.3 Traversing test. The wheel lift truck shall be loaded as specified in
3.5.1 with 14.00 x 24 or larger dual tire and wheel assembly to at least 1875 lbs
and secured as specified in 3.6.5. The wheel lift truck shall be moved at from 15
to 30 f.p.m. across a one-inch high 15 degree slope rise and a one-inch 90 degree
depressed step in the floor. All casters shall traverse the rise and depression at
an approach angle which shall bring only one caster at a time in contact with the
rise and depression. At the conclusion of the test, the wheel lift truck shall be
inspected for damage to determine compliance with 3.5.2.1.
4.6.4 Height sustaining test (for wheel lift truck with hydraulic mechanism only).
The hydraulic wheel lift truck shall be loaded as specified in 3.5.1 to at least
1875 lbs and secured in the same manner as specified in 3.5.5. The lifting arms
shall be raised to any point within the upper 1/3 position of the working height
range and be permitted to remain there for a period of 30 minutes. The height
setting shall be recorded at the beginning of the period and every 5 minutes
throughout the 30 minute period. On conclusion of the time period, the height
setting shall be measured to determine compliance with the requirement of 3.6.4 1.
4.6.5 Release valve control test (for lifting with hydraulic mechanism only).
The hydraulic wheel lift truck, in the level position, shall be loaded as specified
in 3.5.1 with 14.00 x 24 or larger dual tire and wheel assembly to at least 1875
lbs and secured in the same manner as specified in 3.6.5 and then raised to the
maximum working height setting. The release valve shall be adjusted to permit the
lowering of the lifting arms. The rate of descent of the lifting arms shall be
measured by any applicable method to determine compliance with 3.6.4.1.2. The
measuring method shall have an accuracy of within 0.5 percent.
Check the source to verify that 9
this is the current version before use.
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