LS20
SUSPENSION, AUXILIARY
manufacturer and furnished by
LIFTABLE SUSPENSION 20,000
the chassis OEM.
LB. CAPACITY
LTD
LIFTING AND TIEDOWN
When code LS20 is specified,
PROVISIONS.
the vehicle shall be equipped
When option code LTD or MTR
with a liftable auxiliary
is specified, the vehicle shall be
suspension and axle located
equipped with four (4) lifting
forward of the leading tandem
provisions and four (4) tie down
axle. The auxiliary suspension
provisions
to
ensure
and axle shall have rated
interoperability
between
capacity of not less than 20,000
transported
equipment
and
lb. The suspension shall be
lifting and tie down devices
equipped with dual air spring
commonly
used
in
the
lifting devices with controls
transportation
environment.
located inside the cab. The in
Lifting and tie down provisions
cab controls shall consist of a
shall conform to MIL-STD-209
switch to raise and lower the
for both Type I and Type II
suspension, an adjustable air
equipment. The contractor shall
regulator for controlling the
perform a structural analysis of
downward air pressure and an
the tie down and lifting
air pressure gage to monitor the
provisions and the surrounding
downward air pressure. The
structural
elements
in
axle shall be equipped with
accordance with MIL-STD 209
16.5" x 7" brakes, automatic
requirements. In cases when
slack adjusters, and type 24
the structural analysis indicates
brake chambers. The axle shall
the provisions will clearly pass
be fitted with dual tires and
the
requirements,
actual
wheels to match that on the
physical testing may not be
vehicle. When code LS20 is
necessary.
In cases when
specified, GVW will increase
where the structural analysis
proportionately
indicates the provisions will
marginally
pass
the
LSD
SYNTHETIC LUBE
requirements,
redesign
or
DIFFERENTIAL
testing shall be recommended to
When code LSD is specified,
the contractor. In cases where
differentials shall be provided
the structural analysis indicates
with
synthetic
lubricant.
the provisions will clearly fail the
Synthetic lubricant supplied shall
requirements, a redesign of the
be approved by the component
provisions shall be required.
manufacturer and furnished by
A shipping data plate shall be
the chassis OEM.
furnished and shall conform to
composition A (class 1 or 2) or
LST
LUBRICANT, SYNTHETIC FOR
composition C of A-A-50271.
MANUAL TRANSMISSION
The shipping data plate shall be
When code LST is specified, the
inscribed
with
a
diagram
manual transmission shall be
showing the lifting attachments
provided with synthetic lubricant.
and lifting slings, the capacity of
Synthetic lubricant supplied shall
each attachment, and the
be approved by the component
Federal Standard 807M
Page 41 of 65
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