CHAPTER 1. INTRODUCTION

TM 11-5985-334-34

CHAPTER 1

INTRODUCTION

Section I. GENERAL INFORMATION

1-1. Scope

parts (refer to TM 11-5985-334-20).

(b) Perform monthly preventive maintenance

Type of Manual: Direct and General Support

checks and services (refer to TM 11-5985-334-20).

Maintenance

Correct all deficiencies.

Model Number and Equipment Name:

(2) Store in dry, moisture free area. Records and

AB-621(*)/G-Mast, Antenna (Includes

reports shall be maintained as prescribed in TM

AB-621/G and AB-621A/G) MK-2044/G-Kit,

38-750 for equipment in use.

Extension

Purpose of Equipment:

1-5. Official Nomenclature, Names, and

Portable antenna mast used to support a

Designation

variety of directional radio antennas, to an

The following nomenclatures are covered in this

elevation of 50 or 100 feet.

manual; these designations are used to identify

specific items that are used at your installation.

1-2. Maintenance Forms, Records, and Reports

Model/Equipment

Designation

a. Reports of Maintenance and Unsatisfactory

Mast, Antenna 50 foot

AB-621/G

Equipment. Department of the Army forms and

Mast, Antenna 50 or 100 foot

AB-621A/G

procedures used for equipment maintenance will be

Kit, Extension

MK-2044/G

those prescribed by TM 38-750, The Army

NOTE

Maintenance Management System.

The designation AB-621(*)/G when used

b. Reporting of Packaging and Handling

in this manual means that the in-

Deficiencies. Fill out and forward SF 364 (Report of

formation applies to both the AB-621/G

Discrepancy ( R O D ) ) as prescribed in AR

and AB-621A/G. Also, when instructions

735-11-2/DLAR 4140.55/NAVMATINST

are given for a component without model

4355.73/AFR 400-54/MCO 4430.3E.

reference, the information applies to both

c. Discrepancy in Shipment Report (DISREP) (SF

models. MK-2044/G is used to identify

361). Fill out and forward Discrepancy in Shipment

those items which are used exclusively

Report (DISREP) (SF 361) as prescribed in AR

with the extension kit.

55-38/NAVSUPINST 4610.33B/AFR 75-18/MCO

P4610.19C/DLAR 4500.15.

1-6. Reporting Equipment Improvement

Recommendations (EIR)

1-3. Destruction of Army Materiel to Prevent

If your AB-621(*)/G or MK-2044/G needs im-

Enemy Use

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

Destruction of Army electronics materiel to prevent

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

enemy use shall be in accordance with TM

like about your equipment. Let us know why you

750-244-2.

don't like the design. Put it on an SF 368 (Quality

Deficiency Report). Mail it to us at Commander, US

1-4. Preparation for Storage or Shipment

Army Communications Electronics Command and

a. Refer to TM 11-5985-334-10 to remove the

Fort Monmouth, ATTN: DRSEL-ME-MP, Fort

AB-621(*)/G and MK-2044/G from service and

Monmouth, NJ 07703. We'll send a reply.

pack for storage.

b. Administrative storage of the AB-621(*)/G

1-7. Consolidated Index of Army Publications

and MK-2044/G will be handled as follows. The

and Blank Forms

requirements apply whether the mast is stored with

Refer to the latest issue of DA Pam 310-1 to

an associated radio, or stored alone.

determine whether there are new editions, changes

(1) Before and after storage, perform the

or additional publications pertaining to the

following

equipment.

(a) Clean the unit and spot-paint bare metal

1-1