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TM 10-4320-347-13&P
1.14. EQUIPMENT DATA. Refer to Table 1-1 for general equipment and performance data for the pumping
unit.
Table 1-1. Equipment Data.
PUMP
Manufacturer ........................................................................CH & E Manufacturing Company
Part Number....................................................................................................................4059
Type.................................................................................................. Self-priming Centrifugal
Service................................................................................................. Liquid Petroleum Fuel
Duty Cycle.............................................................................................................Continuous
Rated Output............................................................................. 35 GPM at 20 feet total head
Suction (Intake) Port......................................................................................... 1.50 inch NPT
Discharge Port.................................................................................................. 1.50 inch NPT
Priming Port ....................................................................................................... 3/4 inch NPT
Priming Method ....................................................................................... Self-priming system
Case Drain ............................................................................................................3/8 in. NPT
Rotation.......................................................................... Counterclockwise (facing pump end)
MOTOR
Manufacturer ........................................................................................ Faifer Body Company
Model ....................................................................................................................... FB94001
Type...............................................................................NEMA MG1, TENV, Explosion Proof
Horsepower ..................................................................................................................1/2 HP
RPM................................................................................................................................2500
DIMENSIONS AND WEIGHT
Overall Width ............................................................................................... 12.0 in (30.5 cm)
Overall Length.............................................................................................. 24.0 in (61.0 cm)
Overall Height .............................................................................................. 18.0 in (45.7 cm)
Gross Weight ............................................................................................ 196.0 Ibs (89.1 kg)
Shipping Volume .................................................................. 15.0 cubic feet (0.4 cubic meter)
Shipping Weight ..................................................................................... 235.0 Ibs. (106.8 kg)
SECTION III. PRINCIPLES OF OPERATION
1.1 5. THEORY OF OPERATIONS. The pumping unit is a self contained, transportable, electric motor driven
centrifugal pump unit designed for pumping liquid fuel. It consists of a self-priming pump, a 24 volt direct
current electric motor, and a frame for mounting the pump and motor together for easier transportability. The
pumping unit performs its pumping operations in the following manner (Refer to Figure 1-2).
1.15.1. Pumping Capability. The pumping capability of the pumping unit is provided by the pump unit
contained within the assembly. This pump is a centrifugal type pump which means that it provides its pumping
action by using an internal rotating impeller to sling the fuel from the center of the impeller to the outer edges of
the impeller as it rotates. This throwing action, technically known as centrifugal force, causes a vacuum in the
inlet pipe of the pump to draw more fuel into the pump. The fuel which has been forced to the outer edges of
the impeller is further forced into the outlet pipe of the pump to eventually leave the pump unit. As the fuel
leaves the pumping unit, it enters the discharge hose where it is distributed as needed through the discharge
nozzle.
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