TM 5-4520-208-15
in the applicable maintenance section of this
(4) Danger plate. Located on the left side
manual.
panel and contains the following in-
formation:
6. Tabulated Data
DANGER : THIS UNIT UNSAFE
a. Data Applicable to Model BT400-40
IN FUEL VAPOR
Heaters.
AREAS
(1) Heater.
d. Identification Applicable to Both Models,
(1) Instruction plate. Located on top of
Nomenclature.. --.---_---. Heater, Duct Type Portable
the casing, lists the operational steps
Stock number__--------__ FSN 4520-792-8257
to be observed by the operator.
Serial numbers_-_-.------.90943 through 91924,
91032 through 91446,
(2) Gasoline engine identification plate.
and 91694 through
Located on the engine flywheel hous-
91743
ing and contains the following infor-
Manfacturer-_-----. ----. American Air Filter Co.,
mation:
Inc., Defense Products
(a) Nomenclature.
Group
Model number_-_.--------. BT400-40
(b) Number of cylinders and displace-
Contract numbers --------- DA11-184-AC-601 (T)
ment.
DA11134-AMC-702 (T)
(c) Stock number, serial number, and
Fuel-_____--____-_ ---_ Gasoline
Military model number.
Fuel consumption --------- 3.625 gph (gallons per
(d) Manual number.
hour) at maximum out-
put baaed on 65F.
(e) Manufacturer, date manufactured,
(Fahrenheit) ambient
and purchase order number.
temperature, 280F.
(3) Schematic diagram plate. Located on
discharge temperature
the casing forward of the' fan ring.
Output-_-___-_--__ --_40,000 to 400,000 Btu/hr
Provides a schematic diagram of the
(British thermal units
per hoar)
heater fuel system.
Discharge air temperature 150F. to 280F.
(4) Power package identification plate.
range.
Located on the power unit bracket and
(2) Electric Motor
contains the following information:
(a) Manufacturer's name and address.
Manufacturer ------------- Doerr Electric Corp.
Model number--_-----_-_-.66WZA
(b) Class and Federal stock number.
Operating voltage______-_ - 208 to 220
C y c l e s _ _ _ _ _ _ - - - - - _ _ _ _ 60
5. Difference in Models
Phase_------__----------3
Frame.___--___-__ -___ -- K56Y (NEMA 56)
This manual covers the American Air Filter
----------------------PA
Models BT400-40 and BT400-40-1 heaters.
Current __________________ Alternating
The major differences between the models are
Horsepower _______________ 2 at 3450 rpm (revolutions
the fuel system, cabinet, and housing. The com-
per minute)
bustor fuel lines in the BT400-40 are replaced
Running current -------_ - .6.0 amperes maximum
Line current-_--_-___ -_- 45 amperes at -65F.
with flexible hose in the BT400-40-1 heater.
(-54C.) (centigrade)
The BT400-40 heater has a disposable auto-
motive type filter, whereas the BT400-40-1
(3) Fuel filter.
has a cleanable filter element. In Model BT400-
Manufacturer-___--__ ---_- Delux Products Corp.
40-1 heaters, the cabinet is hinged to the casing
Part number___---______ FF332
bulkhead and removal for operation of the
Type------------------Disposable
heater is not required. In addition, the elec-
(4) T i r e s .
tric motor power unit and time totalizing meter
Size---_--____-__ -----__ 6.00 x 9
are not furnished with the Model BT400-40-1
Ply--------------------- 6
heater. Where differences exist, each model is
Pressure--_--__--__-_----. 20 psi (pounds per square
covered separately or coded as to application
inch)
7
