Chapter 1 INTRODUCTION

TM 9-1220-238-14

CHAPTER 1

INTRODUCTION

Section I. GENERAL

to be used by maintenance personnel at all maintenance

1-1. Scope.

levels are listed in and prescribed by TM 38750, the

Army Maintenance Management System (TAMMS).

a. This manual contains instructions for the

information and guidance of personnel responsible for

1-3. Reporting of Errors.

the operator/crew, organizational, direct support and

general support maintenance of board plotting M18. The

information contained in this manual is within the scope

Report of errors, omissions, and recommendations

of supplies and maintenance equipment normally

for improving this publication by the individual user is

available to using organizations.

encouraged. Reports should be submitted on DA Form

b. The prescribed maintenance responsibilities at

2028. Recommended changes to Publications, and

operator/crew, organizational, direct support and general

forwarded direct to Commander, Frankford Arsenal,

support maintenance levels are reflected in this manual

ATTN:

SARFA-MA, Philadelphia, PA 19137.

1-2. Forms and Records.

Maintenance forms, records, and reports which are

Section II. DESCRIPTION AND DATA

ting technique. Three legs provide suitable footing for

1-4. Description.

the support of the board on rough or uneven ground.

a. Board plotting M18 (fig 1-1) is used for

computing firing orders (Weapon elevation and azimuth

settings) for a battery of artillery by the flash spot

1-1