connections, that the operator
supplier of that item. The decal
can reach easily while standing
or plate describing operation of
on the ground, or riding on the
the hydraulic tailgate shall be
platform.
Tailgate operations
provided in close proximity to
shall be hydraulically metered,
the hydraulic tailgate controls.
providing for raising, lowering,
Rear bumper and additional rear
folding and unfolding without
end protection need not be
manual assistance. The tailgate
furnished.
shall be operated hydraulically
Hydraulic tailgates must conform
through an electric driven
to FMVSS-223 and 224.
hydraulic pump. The hydraulic
HTGU
HYDRAULIC TAILGATE, FOLD
system shall comply with the
UNDER.
requirements
in
paragraph
When code HTGU is specified,
3.1.1.10. All hydraulic cylinders
the tailgate shall manually fold
shall be provided with flow
under the vehicle for travel and
restrictors in the down port of
manually unfold for use. Unless
the cylinders to prevent the
otherwise
specified,
the
tailgate from falling rapidly in the
hydraulic tailgate shall have a
event of a hydraulic system
rated capacity of not less than
failure.
The vehicle ignition
910 kg (2,000 lb) for Types III,
switch or a separate switch in
VII and VIII.
The tailgate
the driver's compartment shall
platform width shall be not less
allow the driver to disconnect
than 2130 mm (84 in) for Type
the power source to the tailgate.
VII vans and Type VIII
A
150-ampere
minimum,
refrigerator vans and not less
automatic reset circuit breaker
than 2290 mm (90 in) for Type
shall be furnished with the
III stakes. The hydraulic tailgate
electric system of the tailgate, to
for Type VI maintenance/line
protect the electric system of the
body shall have a rated capacity
vehicle. A minimum of 2-gage
of not less than 590 kg (1,300
wire shall be furnished on the
lb).and the tailgate platform
power cables for maximum
width shall be not more than 4
operating
efficiency
and
inches wider than the floor
increased electrical component
width, allowing body recessed
life. A rustproof enclosure shall
lights to be located outside of
be furnished to protect the pump
the vertically stowed tailgate.
motor from dirt and weather.
The tailgate platform shall be of
Self-lubricated bearings shall be
the ramping type and shall have
furnished on all load bearing
a depth of not less that 810 mm
rollers and hinges. All hydraulic
(32 in) exclusive of the ramp.
lines shall be grommeted where
The ramp shall taper down to
they are routed through walls
ground level to facilitate loading
and supports and furnished with
with a wheeled handcart.
clamps for protection from
Platform loading area shall be of
damage.
nonskid sheet steel.
The
The hydraulic tailgate operating
tailgate shall have devices for
instructions, the hydraulic fluid
holding the platform in stowed
identification information and
position for vehicle travel.
any caution notice shall be on a
Controls shall be mounted
standard decal or plate from the
outside the body on the curbside
Page 50 of 79
to verify that this 7 4Y
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