TM 5-4320-306-10
1-9. LOCATION AND DESCRIPTION OF EXTERNAL COMPONENTS (Continued)
LIFTING BAIL (15). The lifting bail provides a secure point of attachment for lifting the centrifugal pump unit. The bail is
secured to the skid frame at the centrifugal pump unit center of gravity.
EXHAUST SYSTEM (16). The exhaust system components vent engine exhaust gases from the exhaust side of the
turbocharger. The components include a spark arrestor, muffler, and the exhaust pipes between the muffler and
turbocharger.
FABRIC COVER (17). The fabric cover fits over the centrifugal pump unit. It protects the components from
environmental conditions when the unit is not in operation. The cover is made of a flame-resistant, vinyl-coated nylon
material with rubber tiedowns that hold it in place.
1-10. DIFFERENCES BETWEEN MODELS
This technical manual covers only Centrifugal Pump Unit, Peabody Barnes Model US61 2ACD, part number 77000CA.
No known differences exist for this model number.
1-11. EQUIPMENT DATA
a. Pump
Manufacturer................................................................................................................................... Peabody Barnes, Inc.
Model number ................................................................................................................................................US612ACD
Part number ..................................................................................................................................................... 77000CA
Type .............................................................................................................................................Self-priming centrifugal
Primary service ........................................................................................................................................... Potable water
Secondary service...................................................................................................................................................... Fuel
Output-primary service.................................................................................................................... 600 gpm (2271 Umin)
Output-secondary service.............................................................................................................. 1250 gpm (4730 Umin)
Rated driven speed ............................................................................................................................................ 2400 rpm
Suction (intake) port ........................................................................................................................................ 6-inch NPT
Discharge port................................................................................................................................................. 6-inch NPT
Priming port .............................................................................................................................................. 1-1/2-inch NPT
Priming method..............................................................................................................................................Self-priming
Drain port ........................................................................................................................................................ 2-inch NPT
Rotation ...................................................................................................................Counterclockwise (facing pump inlet)
b. Engine. (Refer to Appendix Al)
Manufacturer ........................................................................................................................Klockner-Humbolt-Deutz AG
Model.................................................................................................................................................................F6L 912B
Type.............................................................................................................................................Four-stroke-cycle diesel
Number of cylinders ........................................................................................................................................................6
Bore ..................................................................................................................................................... 3.93 in. (100 mm)
Stroke .................................................................................................................................................. 4.72 in. (120 mm)
Total displacement .................................................................................................................... 344.84 cu in. (5652 cm3)
Compression ratio (nominal) .................................................................................................................................. 15.5-1
Direction of rotation (facing flywheel) ....................................................................................................Counterclockwise
Firing order ..................................................................................................................................................... 1-5-3-6-2-4
Coolant ........................................................................................................................................................................ Air
Change 1 1-8
