Overview - OD17020005

M992 CARRIER, AMMUNITION, TRACKED (CAT)

OVERVIEW

TASK DESCRIPTION:

In this lesson you will learn the procedures used to troubleshoot the

Auxiliary Power Unit (APU) installed in the M992 Carrier, Ammunition,

Tracked. This includes an introduction to the M992 Ammunition Carrier and

its role in support of the artillery mission, an introduction to the APU, a

description of the functions of the APU systems and components, preliminary

steps to take when the APU engine fails to start, and the actual steps used

to troubleshoot APU components.

LEARNING OBJECTIVE:

ACTIONS:

Learn the purpose, capabilities, and features of the M992

Ammunition Carrier.

Define the operation and maintenance facets of the APU.

Identify the APU primary components and their location.

Identify the controls and indicators of the APU control

box.

Describe the preliminary steps taken prior to application

of troubleshooting procedures.

Describe troubleshooting steps and identify malfunctions

for the engine fuel system, air intake system, fuel

electrical system, preheaters and solenoids, engine

cooling system, generator charging system, and engine

starting system of the APU.

CONDITIONS:

Given the instructions in this subcourse and references from

the equipment technical manuals.

STANDARDS:

Identify malfunctions on the APU by following the applicable

troubleshooting procedures.

OD1702

Index