TM-9-2350-358-BD

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6

TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE

MARCH 1994

TM-9-2350-358-BD - Page 269 of 343

TM 9-2350-358-BD

CHAPTER 13

COMMUNICATIONS

BDAR FIXES SHALL BE USED ONLY IN COMBAT OR FOR TRAINING

AT THE DISCRETION OF THE COMMANDER.

(AUTHORIZED TRAINING FIXES ARE LISTED IN APPENDIX E.)

IN EITHER CASE, DAMAGES SHALL BE REPAIRED BY STANDARD

MAINTENANCE PROCEDURES AS SOON AS PRACTICABLE.

SECTION I.

INTRODUCTION

13-1.

SCOPE

This chapter contains the BDAR procedures for the radio communications system components necessary to maintain the

combat effectiveness of the M109A6.

The proper repair procedure can be found using the fault assessment table or the

repair procedure index (para 13-3) for cable or wiring repair reference Chapter 3.

If proper test equipment is not available

for troubleshooting, fabricated test equipment listed in Appendix B may be used.

13-2.

ASSESSMENT PROCEDURE

Table 13-1. Communication System Visual Assessment

VISUALLY INSPECT

DAMAGE FOUND TO:

Antenna.

......................................................................

para 13-8

Coaxial cables.

............................................................

para 13-9

Intercommunication cable .

..........................................

para 13-10

IF-141/VRC filter .

........................................................

para 13-12

Determine if:

No damage found

Damage can be repaired

Damage cannot be repaired

- Note repair requirements

- Note extent of damage repair

requirements

Go to Table 2-3 Evaluation of

Performance Capability

Visual inspection is complete.

Return

to Table 2-1 to continue visual assessment.

13-1