TM-9-2330-330-14-P
SEMITRAILER, FUEL TANKER: 5000-GALLON, FUEL-DISPENSING, AUTOMOTIVE, M969A3
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
NOVEMBER 2005
TM-9-2330-330-14-P - Page 43 of 1116
TM 9-2330-330-14&P
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ENGINE AND PUMP THEORY OF OPERATION
0004 00
ENGINE
The diesel engine provides power through the flexible coupling to the centrifugal pump. The engine is a 3-
cylinder, 4-cycle, valve-in-head, air-cooled engine with a maximum rating of 35.4 hp (26.4 kW), located
on the curbside of the semitrailer. The engine is operated and monitored by the control panel located on
the roadside of the semitrailer.
PUMP
The M969A3 is equipped with a 4-in., self-priming, low-pressure centrifugal pump that provides metered
fuel delivery up to 100 gpm (379 Lpm) through one or both fuel-dispensing nozzles.
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