Identification and Tabulated Data - TM-5-4320-259-120017

Figure 1-2. Pumping Assembly, Model US6ACG, set up for use.

1-5. Differences Between Models

b. The centrifugal pump is directly coupled to the

engine with the pump impeller being mounted on

This technical manual covers only Pumping Assem-

the threaded end of the engine crankshaft. After

bly Model No. US6ACG, manufactured by Barnes

initial priming, the pump is self-priming. The pump

Manufacturing Company, Mansfield, Ohio. NO

has a 1 inch suction port and discharges through

known differences exist on the pumps Model

a pipe cross, with the two side ports being used for

US6ACG.

hose connection. The upper port is used for

1 - 6 . Identification and Tabulated Data

priming. All ports are fitted with caps to prevent

a. Identification.

the entry of dirt when the hoses are disconnected.

(1) Army data plate. The army data plate is

c. The engine is an air-cooled, single-cylinder,

located on the engine end of the pump and engine

gasoline-driven, four-stroke-cycle type. It develops

mounting plate. It specifies the nomenclature,

2 horsepower at 3600 rpm. Speed is controlled

model, s e r i a l n u m b e r , f e d e r a l s t o c k n u m b e r ,

mechanical-flyball-type

governor

which

c o n t r a c t number, capacity, shipping dimensions,

controls the opening and closing of the carburetor

and weight.

throttle. The engine is splash lubricated.

(2) Engine plate. The engine plate is mounted

d. The suction and discharge hoses are provided

o n the engine blower housing. It indicates the

with quick-disconnect fittings for easy attachment

model, s e r i a l and specification n u m b e r s , b r i e f

to the related ports. The nozzles are also equipped

s e r v i c e and operating instructions, a b b r e v i a t e d

with quick-disconnect-type connectors. These

m a i n t e n a n c e instructions, and valve, point, and

connectors are clamp type, in which the connector

plug clearances. It also cites the name and address

i s positioned over t h e m a t i n g f i t t i n g a n d t h e

of the manufacturer.

clamping levers are then operated to make a leak-

proof connection.

1-3