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Page Title:
Longitudinal Stability - Traveling |
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| MIL-T-53019(ME)
APPENDIX
position using level and plumb bob, or equivalent to a
marked reference point on the platform.
(3) With the load elevated to maximum heigh t and with mast
repositioned to the reference point as required, the test
platform shall be tipped to a 4 percent slope. During the
test there shall be no operator on the truck. Maintain the
truck position on the platform by brakes or other similar
means, but not by means of wheel chocks.
(b)
Longitudinal Stability - Traveling
(1) Place the truck on an initially level platform with the axis
of the load wheels parallel to the tilting axis of the
platform. (Ref. Figure A-7).
(2) Place a 6000 pound load o n the forks, and pivot the load 90
to either the right or left. Position load such that the
center of mass of the load is on the intersection of the
centerline of the truck and mast. Position the mast at full
rearward tilt. Elevate load to a position where the
intersection of the vertical front face and top surface of
forks are 12 inches from the floor.
(3) Tip the test platform to a 24 percent slope. During the
test there should be no operator on the truck. Maintain the
truck position on the platform by brakes or other similar
means, but not by wheel chocks.
(c)
Lateral Stability - Stacking (Right Hand)
(1) Placement of Truck
a.
Place truck, with an articulated steer axle, on an
initially level platform in a position that a line
connecting the center of the right load wheel tire (or
outermost tire where multiple tires are used) and the
projection perpendicular to the platform of intersection
of the longitudinal centerline of the truck and the
centerline of the steering wheels is parallel to the
axis of tilting platform. Steering wheels shall be
positioned such that they are parallel to the tilting
axis of the platform (see Figure A-8).
b.
Place truck, with a nonarticulated steer axle, on an
initially level platform in a position that a line
connecting the center of the right load wheel tire (or
outermost tire where multiple tires are used) and the
projection perpendicular to the platform of the point
intersection of the respective steer tire centerline is
parallel to the axis of the tilting platform. Steering
wheels shall be positioned such that they are parallel
to the tilting axis of the platform (see Figure A-9).
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