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TM 9-2330-272-14
Section Il. EQUIPMENT DESCRIPTION AND DATA
Paragraph Title
Page
Number
Differences Between Models.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-20
Equipment Characteristics, Capabilities, and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Equipment Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-21
Location and Contents of Data Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-14
Location and Contents of Stencil Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-11
Location and Description of Major Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3
1-6.
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES.
a. The M131 Series Fuel Tank Semitrailers are designed to be towed by the M52A2, M818, M931, or M932
5-Ton, 6 x 6 Tractor.
b. The semitrailers are equipped with:
(1) A 24-volt electrical system capable of operating under standard and blackout modes.
(2) Early model lighting system consisting of two service taillights, blackout taillight assemblies, and
clearance marker lights.
(3) Late model lighting system consisting of two composite taillights and clearance maker lights.
(4) Air-over-hydraulic brake system which receives air pressure from the towing vehicle.
(5) Spare wheel and tire carrier which uses a cable Iift to raise and lower spare wheel and tire.
(6) A two-speed retractable handcrank-type adjustable landing gear. The landing gear supports the
semitrailer when not coupled to towing vehicle and is used to raise and lower chassis when preparing to couple and
uncouple semitrailer and towing vehicle.
(7) A two-or four-compartment stainless steel tank with a total capacity of 5000 gl (18,925 l). Each
compartment is equipped with an emergency relief valve and a removable manhole cover and fill cover.
(8) Air-cooled auxiliary engine and fuel dispensing pump unit used to load and unload fuel into
individual compartments.
(9) A slip resistant catwalk which provides access to the manholes. Two drain plugs are provided at
front of catwalk for draining water or spilled fuel from the top of the tank.
(10) Portable and fixed fire extinguisher systems.
(11) Dual wheel tandem axle with leaf spring and torque rod suspension to absorb road shock.
(12) Chock blocks to prevent accidental movement of semitrailer when parked.
c. The M131A4C and M131A5C are equipped with a filter-separator which removes any solid contaminants
and water from the fuel.
1-2
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