Chapter 1. INTRODUCTION - TM-55-1905-223-24-170008

TM 55-1905-223-24-17

CHAPTER 1

INTRODUCTION

Page

Section I.

General Information ................................................................................ 1-1

Section II.

Equipment Description and Data ............................................................. 1-2

Section III.

Principles of Operation ............................................................................ 1-12

SECTION I. GENERAL INFORMATION

1-1.

Scope. The scope of this manual is as follows:

Type of Manual.

Unit, intermediate direct support, and intermediate general support

maintenance

manual.

Model Number and Equipment Name. Environmental Control Subsystem, also referred to as the

heating, ventilation, and air conditioning (HVAC) subsystem.

Purpose of Equipment. Provides heating and/or cooling of air taken into the craft and air

circulated within the craft.

1-2.

Maintenance Forms, Records, and Reports. Department of the Army forms and procedures used for

equipment maintenance are those prescribed by DA Pam 738-750, the Army Maintenance Management

System.

1-3.

Destruction of Army Materiel. Refer to TM 750-244-3 for instructions covering the destruction of

Army materiel to prevent enemy use.

1-4.

Reporting Equipment Improvement Recommendations (EIR).

If your equipment needs

improvement, let us know. Send us an EIR. You, the user, are the only one who can tell us what you

don't like about your equipment. Let us know why you don't like the design. Put it on an SF 368

(Quality Deficiency Report). Mail it to: Commander, U.S. Army Troop Support Command; ATTN:

AMSTR-QX; 4300 Goodfellow Blvd.; St. Louis, Missouri 63120-1798. We'll send you a reply.

1-5.

Preparation for Storage or Shipment. Administrative storage of equipment issued to and used by

Army activities will have preventive maintenance performed in accordance with the Preventive

Maintenance Checks and Services (PMCS) charts before storing. When removing the equipment from

administrative storage, the PMCS should be performed to assure operational readiness. Repacking of

equipment for shipment or short term storage is covered in paragraph 2-36.

1-1