Appendix A. MAINTENANCE ALLOCATION

TM 11-5395-490-20

APPENDIX B

MAINTENANCE ALLOCATION

Section 1. INTRODUCTION

B-1. General

This appendix provides a summary of the mainte-

nance operations covered in the equipment literature

or Receiver-Transmitter, Radio RT-859/APX-72

md RT-859A/APX-72 and Mountings MT-3809/

APX-72 and MT-3948/APX-72. It authorizes levels

d. Tools and Equipment. The numbers appearing in

of maintenance of specific maintenance functions on

this column refer to specific tools and equipment

repairable items and components and the tools and

which are identified by these numbers in Section III.

equipment required to perform each function. This

e. Remarks. Self-explanatory.

appendix may be used as an aid in planning mainte-

B-3. Explanation of Format for Tool and

nance operations.

Test Equipment Requirements

B-2. Explanation of Format

The columns in the tool and test equipment require-

a. Group Number. Group numbers correspond to

ments chart are as follows:

he reference designation prefix assigned in accor-

a. Tools or Test Equipment Reference Code. The

dance with ASA Y32.16, Electrical and Electronic

numbers in this column coincide with the numbers

Reference Designations. They indicate the relation

used in the tools and equipment column of the Main-

of listed items to the next higher assembly.

tenance Allocation Chart (MAC). The numbers indi-

b. Component Assembly Nomenclatum. This

cate the applicable tool for the maintenance function.

column lists the item names of component units, as-

b. Maintenance Category. The codes in this column

semblies, subassemblies, and modules on which

indicate the maintenance category normally allocated

maintenance is authorized.

to the facility.

c. Nomenclature. This column lists tools, test, and

c. Maintenance Function. This column indicates

maintenance equipment required to perform the

the maintenance category at which performance of

maintenance functions.

the specific maintenance function is authorized.

Authorization to perform a function at higher cate-

d. Federal Stock Number. This column lists the

Federal stock number.

gories. The codes used represent the various mainte-

nance categories as follows:

e. Remarks. Self-explanatory.

Change 1 B-1