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1-13. Location and Description of Major Components
CHAPTER 2 OPERATING INSTRUCTIONS
TM-10-4320-318-14 Centrifugal Pump Unit Water 125 (NSN 4320-01-156-3873) Model No. 2x2 SP/52109 EIC: ZHT Manual
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TM 10-4320-318-14
1-14.
Equipment Data
.
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2X2 SP/52109
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380 lb(172.5 kg)
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 in. (78.7cm)
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 in. (68.6 cm)
Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 in. (94.0 cm)
Fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 gallon (3.79 I)
Fuel consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.39 gallon per hour (2.5 hours per gallon)
Diesel Engine:
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.4 HP at 3600 rpm
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single cylinder; four-stroke; air-cooled
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E673
Pump:
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Self-priming, centrifugal, direct
coupled to diesel engine
Output volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125 gpm at 50 ft tdh
Designed working pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 psi (1489kPa)
Suction and discharge size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ... . . . . . . .2 in. (15 cm)
Section III. TECHNICAL PRINCIPLES OF OPERATION
1-15. Functional Description of Pump Unit.
The pump unit (Figure 1-2) is a frame mounted 125 GPM pumping
assembly. It consists of a 4-stroke, single-cylinder, air-cooled diesel engine and a direct coupled self-priming
centrifugal pump
. A 1-gallon (3.785 I) fuel tank is an integral part of the pump unit. Engine starting is by a safety
starting handle and compression release.
1-16. Principles of Operation.
The operation of the
centrifugal pump
depends on centrifugal force to move water
through the pump and to maintain the desired pressure. The functional description of controls and indicators of
the pump unit are described in Section I of Chapter 2.
1-5/(1-6 blank)
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