HOW TO USE THIS MANUAL
This technical manual contains instructions for Organizational, Direct and General Support of the
12-cylinder, AVDS-1790 Engine, Models 2CA, 2DA and 2DR.
Organizational tasks are included
so that the Direct Support (DS) or General Support (GS) maintainer has no need to refer to vehicle
Organizational Level Manuals to complete repairs of the engine.
Included are descriptions of, and
procedures for, removal of engine accessories and components, troubleshooting, disassembly,
inspection (including engine repair standards) repair, reassembly, and testing of the engines.
These descriptions and procedures are identical for each model except where otherwise indicated.
WHAT'S IN THE MANUAL - FRONT TO BACK
Summary of Warnings
lists the warnings in this manual.
These warnings contain additional
information about things that could hurt or kill personnel.
The maintenance work package
may have a shorter version of these warnings.
How To Use This Manual
is an overview of the contents of this manual.
Table of Contents
lists all the work packages (WPs) in this manual.
(WP 0001) covers required maintenance forms, records, and reports;
provides direction for safe handling of equipment, for storage or shipment of equipment, and
for tools, equipment and repair parts; addresses equipment preservation, quality of material,
and cross-references common terms to nomenclature.
contains Location and Description (WP 0002), including End Item Application,
on the last page, which lists the vehicles that use the AVDS-1790-2 series engine;
Engine Specifications (WP 0003), and Theory of Operation (WP 0004).
begins with Troubleshooting Instructions and Quick Guide to Troubleshooting
(WP 0005), which is followed by work packages that provide step-by-step instructions for
isolating and correcting malfunctions.
Standard Maintenance Procedures, includes Service Upon Receipt (WP 0027),
Standard Maintenance Instructions (WP 0028) for cleaning, inspection, repair, and assembly
guidelines; Helical-Coil Insert Replacement (WP 0029), and Threaded Insert Replacement
, Service Operations includes engine Oil Replacement and Engine Preservation.
, Engine Tests and Adjustments, includes Engine Operating Parameters, Engine
Run-In as well as engine tests, adjustments, and checks.
contains Organizational Maintenance procedures to remove and install accessories
and exterior engine components.
is Direct Support (DS) maintenance and information on work packages.
contains General Support (GS) maintenance work packages.