TM-9-2815-220-24
AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TM-9-2815-220-24 - Page 39 of 1563
TM 9-2815-220-24
EQUIPMENT DESCRIPTION AND DATA
0002 00
THIS WORK PACKAGE COVERS:
Overview, Engine Orientation, Location and Description (Major Components, Engine Major
Working Parts, and Container Assembly),
and End Item Application
OVERVIEW
The following models of the AVDS-1790 engine share many characteristics, capabilities, and
features.
When features are not common, they are identified throughout the manual.
The National Stock Numbers and Part Numbers are provided for the three engine models and for
an engine container (this one container will accommodate any of these engine models).
The
National Stock Numbers and Part Numbers are provided for the three engine models with a
container.
Description
NSN (Engine with Container)
AVDS-1790-2CA:
AVDS-1790-2DA:
AVDS-1790-2DR:
ENGINE CHARACTERISTICS, CAPABILITIES, AND FEATURES
•
Air-cooled, V-type, diesel, fuel injected, turbosupercharged, 12-cylinder, 90-degree
configuration, four cycle, engine
•
Fuel injection system and a turbosupercharged air induction system provide optimum engine
performance
Fuel injection pump delivers high pressure, metered fuel, to individual cylinders through
fuel injector nozzles
Two turbochargers are exhaust-gas driven and increase the air flow pressure entering the
air intake manifolds
•
Fuel supply pump, located at the front of the engine, draws fuel through the primary and
secondary fuel systems from the vehicle fuel tanks and delivers it to the injection pump
•
Cylinder assemblies are individually replaceable units with overhead valves and valve rocker
assemblies in the head
•
Cylinders are arranged in two banks of six cylinders each
−
Each bank of cylinders has an overhead camshaft arrangement to actuate the valves of each
cylinder
•
Solenoid-operated 24-volt starter low-voltage sensing module prevents starter activation with
improperly charged batteries
WP 0002 00-1
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