TM 9-2330-294-14
smaller reservoir is independently rechargeable and
can supply temporary air pressure to unlock the fail-
safe u n i t s if the main air system becomes
depressurized.
(9) Brake release controls. Controls for
releasing both the service brakes and the fail-safe
units are provided for brief maneuvering of the
semitrailer when it is detached from the towing
vehicle or when the air system is disabled.
f. Landing Gear. The landing gear is located at
the front of the semitrailer. It consists of two leg
assemblies, one at each corner. It is secured in the
stowed (raised) position during travel. When the
semitrailer is parked, the landing gear is lowered to
the ground to provide support for the front of the
semitrailer. The landing gear can be set in four
position to accommdate various terrain.
g. Loading and Unloading Ramps, The ad-
justable loading and unloading ramps, located at the
rear of the semitrailer, can easily be raised and
lowered by two men. When in the travel (raised)
position each ramp is secured in position by a
tiedown chain assembly. Each ramp is adjustable
and can be moved to two positions on semitrailers
No. 1 through 200 and three positions on semitrailers
No. 201 and on, to accommodate different width
payload vehicles. A hinged flap on each ramp serves
as a bridge between the main frame platform and the
ramp when in the loading position.
h. Rollers, Snatch Block, Shackles and Tiedown
E q u i p m e n t . Four roller assemblies and a snatch
block are provided on the semitrailer for use during
loading and unloading (winching) operations. A
second snatch block, eight chain assemblies, six load
binders, -inch rope and 16 shackles are included
in the vehicle basic issue items for use during
winching operations and for payload tiedown. See
installation tiedowm eyes and shackles used for
lifting the semitrailer, for tiedown during vehicle
shipment, and for cargo tiedown, are found at the
rear, along the sides and at the front of the
semitrailer bed.
i. Planks and Curbing. Two removable planks
are mounted cm the gooseneck of the semitrailer as
bumpers for the payload vehicles. These planks are
removed when loading two M113 or M114 payload
vehicles. Eight removable curbs are installed on top