Chapter 1. INTRODUCTION

TM 32-5985-342-14&P

CHAPTER 1

INTRODUCTION

Section I. GENERAL

1-4. ADMINISTRATIVE STORAGE. Administrative

1-1. SCOPE. This manual provides organizational and

storage will be in accordance with instructions provided

direct support instructions for the installation and

in TM 740-90-1, Administrative Storage of Equipment.

maintenance of Antenna Tower TS-9A (figure 1-1). A

repair parts and special tools list is also included.

1-5. CALIBRATION. No calibration of the equipment in

1-2.

MAINTENANCE FORMS AND RECORDS.

this group is required.

Department of the Army forms and procedures used for

1-6.

REPORTING EQUIPMENT IMPROVEMENT

equipment maintenance will be those prescribed by TM

RECOMMENDATIONS (EIR's). If the TS-9A needs

38-750, The Army Maintenance Management System

improvement, let us know. Send us an EIR. You, the

(TAMMS).

user, are the only one who can tell us what you don't like

1-3.

DESTRUCTION OF ARMY MATERIEL TO

about your equipment. Let us know why you don't like

PREVENT ENEMY USE. The TS-9A will be destroyed

the design. Tell us why a procedure is hard to perform.

Put it on an SF 368 (Quality Deficiency Report). Mail it

to prevent enemy use in accordance with instructions

to us at US Army Electronics Materiel Readiness

provided in TM 750-244-2, Procedures for Destruction of

Activity, ATTN: SELEM-ME-I, Vint Hill Farms Station,

Electronics Materiel to Prevent Enemy Use (Electronics

Warrenton, Virginia 22186. We'll send you a reply.

Command).

Section II. DESCRIPTION AND DATA

1-7. PURPOSE AND USE. The Antenna Tower TS-9A

(1) Cable Hoist. The cable hoist is a ratchet-

is used to support either the AN/GSA-131(V)1 or the AS-

type cable winch used to tighten the cable braces to the

2304/G antenna group. The tower is an all-weather

proper initial tension. Capacity of the cable hoist is

heavy-duty structure designed to withstand the effects of

2,000 pounds, single line.

adverse climatic and environmental conditions.

(2) Dynamometer. The dynamometer is an

1-8. DESCRIPTION.

in-line dynamometer used to measure cable tension up

a. Tower Assembly Kit. The tower assembly kit

to 5,000 pounds. It is used in conjunction with the cable

consists of all materials needed to assemble a complete

hoist to tension the cable braces.

25-foot galvanized steel, self-supporting (free standing)

(3) Hoist Rope. The hoist rope is an 85-foot-

tower (figure 1-1). The AN/GSA-131(V)l or AS-2304/G

long dacron rope with a safety-locking hook at one end.

antenna is mounted on top of the tower. The tower kit

It is used to hoist individual members of the tower during

contains square cross sections comprised of structural

assembly. The hoist rope is used in conjunction with the

steel angle legs, square tubular steel horizontal braces,

block, erection fixture, and tag line.

and pretensional diagonal cable braces. Each structural

(4) Block. The block, which has a capacity of

member is galvanized to resist corrosion. Tension

1,000 pounds, is used with the hoist rope, erection

braces, when installed, practically eliminate any

fixture, and tag line.

undesirable tower deflection due to high wind shear or

(5) Erection Fixture. The erection fixture is a

antenna overturning loads.

12-foot4ong welded fixture that clamps to the horizontal

b. Tower Erection Kit. Except for common hand

tower braces. It allows easy lifting and positioning of all

tools, the tower erection kit (figure 1-2) consists of the

upper structural members of the tower. Its capacity is

special equipment needed to assemble and erect the

200 pounds when lifting within 10 degrees of vertical

tower.

Special equipment includes a cable hoist,

with the fixture positioned vertically.

Thumbscrew

dynamometer, hoist rope, block, erection fixture, and

clamps allow easy attachment and positioning. A

tag line.

safety-locking feature prevents detachment during use.

1-1