TM 5-4310-275-14
filter and separator outlet port prevents the flow
(11 ) An engine fuel tank is located at the top
of air to the receiver until the separator chamber
front of the unit.
is pressurized sufficiently to assure the efficient
c. All component parts and assemblies of the
removal of moisture and oil vapor from the high-
compressor assembly are mounted on the rigid
-pressure air.
framework of a two-wheeled, pneumatic-tired
(3) A check valve, installed in series with the
cart. A three-section aluminum cover protects the
back pressure valve, prevents reverse air flow
equipment. A towbar mounted on the front of the
from the receiver to the moisture separator. A
cart enables the unit to be attached to all stan-
dard tow trucks. A retractable landing foot drops
system drain valve, installed in a tee fitting
mounted on the check valve outlet port, allows air
down to support the front end of the cart, and
in the downstream pneumatic section to be
automatically sets the wheel brakes, when the
relieved to atmosphere.
unit is stationary such as for storage or operation.
d. Engine. Refer to TM 5-2805-257-4514 for a
(4) A dehydrator assembly containing a
description of the engine.
replacement desiccant cartridge is installed in the
pneumatic line downstream from the check valve.
The dehydrator provides a further drying action
a. Identification. The compressor assembly
which assures the delivery of high-pressure air
has two major identification plates. The in-
having a minimum moisture content. A back
formation contained on the plates is listed below.
pressure valve' is installed in outlet port of
(1) Engine Plate.
dehydrator to maintain a steady air pressure
Nomenclature
within the pneumatic system.
Cu. in, displacement
(5) A line filter containing a replaceable
Stock number
micronic filter element is installed downstream
Serial
from the dehydrator outlet port and back pressure
Mil. model
valve. The line filter removes a minimum of 98
Manual
percent of all particles larger than 10 microns
Date manufactured
from the high-pressure air.
Contract number
(6) Two pressure relief valves installed in the
Contractor
high-pressure pneumatic line open automatically
(2) Compressor Package Plate.
to exhaust air to atmosphere if the pressure
Nomenclature
exceeds a predetermined value. The valves close
Model
(rind) automatically, preventing the further
Serial
escape of air, when normal pressures are restored,
Registration number
One pressure relief valve is installed in a port of
NSN
the filter and separator; the other valve is
Engine serial number
mounted in a safety fitting located immediately
Warranty
upstream from the receiver.
Date shipped
(7) Replaceable rupture discs installed in the
Contract number
cap of the filter and separator assembly and a
Capacity
safety fitting located at the inlet to the receiver
GVW
provide a blowout relief factor which safeguards
Date manufactured
the pneumatic system against excessive air
Length
pressure in the event the relief valves fail to
Height
function.
Width
(8) The dry, high-pressure air is stored in a
Cube
spherical receiver mounted at the front of the
Manufactured by
unit .
b. Tabulated Data.
(9) An instrument panel located on the left
(1) Compressor, Reciprocating,
Power
side of the unit contains the various controls
Driven, Wheel Mounted.
required to monitor and control the delivery of
Manufacturer
Stewart-Warner
Corporation
high-pressure air.
Model number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43040-301 -01
(10) An air hose and chuck assembly,
Overall dimensions (inches):
normally stored on brackets mounted on the
Length (towbar up) . . . . . . . . . . . . . . . . . . . . . . . . . ...51.80
compressor assembly enclosure, enables
(131.5720 C)
pneumatic connection from the compressor
Length (towbar extended; approx) . . . . . . . . . . . . . . . ...71.50
(181.6100 c)
assembly to the equipment to be charged.
