Chapter 1: INTRODUCTION - TM-5-4120-273-150013

TM 5-4120-273-15

CHAPTER 1

INTRODUCTION

Section I. GENERAL

manual by the individual user is authorized and

1-1. Scope

encouraged. Prepare DA Form 2028 (Recom-

a. These instructions are published for the use

mended Changes to DA Publications) for this

of personnel to whom the Redmanson Models

purpose by using pencil, pen, or typewriter, and

CV-61-15-60 and CV-6-3-08-400 air condi-

forward direct to Commanding General, U. S.

tioning units are issued. They provide information

Army Mobility Equipment Command, ATTN:

on the operating and organizational maintenance

AMSME-MPP, 4300 Goodfellow Blvd., St. Louis,

of the equipment. Also included are descriptions

Mo. 63120.

of main units and their function in relationship to

e. Report all equipment improvement recom-

other components.

mendations as prescribed by TM 38750.

b. Appendix A contains a list of publications

applicable to this manual. Appendix B contains

the list of basic issue items authorized the opera-

1-2. Record and Report Forms

tor of this equipment and the list of maintenance

a. DA Form 2258 (Depreservation Guide for

and operating supplies required for initial opera-

Vehicles and Equipment).

tion. Appendix C contains the maintenance alloca-

tion chart.

b. For other record and report forms applicable

c. Numbers in parenthesis following nomen-

to operator, crew, and organizational maintenance

clature callouts on illustrations indicate quantity,

refer to TM 38750.

numbers preceding nomenclature callouts indicate

Note. Applicable forms, excluding Standard Form 46

preferred maintenance sequence.

(United States Government Motor Vehicles Operators

d. Direct reporting of errors, omissions, and

Identification card) which is carried by the operator,

recommendations for improving this equipment

shall be kept in a canvas bag mounted on the equipment.

Section II. DESCRIPTION AND TABULATED DATA

metically sealed compressor, condensing coil, con-

1-3. Description

denser air intake opening, condenser air discharge

a. General. The air conditioner (fig. 1-1, 1-2,

opening, control box, junction box, thermostatic

and 1-3) is used primarily in van type enclosures

switch, power receptacle connector, condenser

for providing filtered, conditioned, or heated air

fan, fan motor, filter-drier, suction and discharge

as required to maintain service conditions neces-

access fittings, solenoid valve, capacitors (model

sary for the efficient operation of electronic equip-

CV-611560 only), and high pressure relief

ment and for the comfort of operating personnel

valve.

housed within the specified vans. It is a completely

self-contained, air cooled, electric motor driven

c. Evaporator Section. The evaporator section,

unit designed for continuous operation with vary-

located in the top of the unit, contains an evapora-

ing loads. It is equipped with internal ducting to

tor coil, evaporator fan, air conditioning filter,

the low side of the evaporator fan so that ventila-

intake and discharge grilles, evaporator coil drain

tion air and air from the chemical and biological

pan, expansion valves, electrical heaters, sight

filter unit may be supplied by the evaporator fan.

glass, fan speed switch, high and low pressure

b. Condensing Section. The condensing section,

switches, solenoid valve, expansion valve, liquid

located at the bottom of the unit, contains the her-

line quench valve, hot gas bypass regulator valve,

1-1