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TM 5-412-287-15
CHAPTER 1
INTRODUCTION
Section I. GENERAL
1-1. Scope
a. These instructions are published for use by personnel to whom the air conditioner, base-mounted, self-
contained, lightweight, air cooled, 38,000 BTU/hr (British Thermal Units per hour) cooling and 35,000 BTU/hr heating
capacity, Model VEA4-3A (manufactured by Stratos Division, Fairchild Hiller Corporation, Bay Shore, New York) is issued.
The equipment will hereafter be referred to as the air conditioner. Chapters 1 through 3 provide information on operation,
preventive maintenance services and organizational maintenance of equipment, accessories, components, and
attachments. Chapter 4 provides information for direct and general support and depot maintenance. Also included are
descriptions of main units and their functions in relationship to other components.
b. Appendix A contains a list of publications applicable to this manual. Appendix B contains the list of basic issue
items authorized the operator of this equipment and the list of maintenance and operating supplies required for initial
operation. Appendix C contains the maintenance allocation chart. Organizational, direct and general support and depot
maintenance repair parts and special tools are listed in TM 5-1420-287-25P.
c. Numbers in parentheses following nomenclature callouts on illustrations indicate quantity; numbers preceding
nomenclature callouts indicate preferred sequence.
d. Report of errors, omissions, and recommendations for improving this publication by the individual user is
encouraged. Reports should be submitted on DA Form 2028 (Recommended Changes to DA Publications) and
forwarded direct to Commanding General, U.S. Army Mobility Equipment Command, ATTN: AMSME-MPP, 4300
Goodfellow Boulevard, St. Louis, Mo. 63120.
1-2. Record and Report Forms
a. DA Form 2258 (Depreservation Guide for Vehicles and Equipment).
b. For other record and report forms applicable to operator, crew, organizational maintenance, direct and general
support and depot maintenance, refer to TM 38-750.
Note. Applicable forms, excluding Standard Form 46 (United States Government Motor Vehicles Operator’s
Identification Card) which is carried by the operator shall be kept in a canvas bag mounted on equipment.
Section II. DESCRIPTION AND TABULATED DATA
1-3. Description
a. General. The air conditioning unit (figs. 1-1 and 1-2) is a lightweight, air transportable, vapor cycle air
conditioning package specifically designed to provide conditioned able, vapor cycle air conditioning package specifically
designed to provide conditioned air for guided missile ground support shelters. This unit may also be utilized in other
vehicles having similar personnel and equipment cooling requirements. After initial installation on a trailer or in a shelter,
the unit is capable of an air cooling load capacity of 38,000 BTU/hr utilizing a 416-volt, 6-pole motor, 7700 rpm (revolutions
per minute), 8-hp (horsepower) motor compressor. The unit has
1-1
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