TM-9-2350-274-BD

M109/M110/M578 VEHICLES HOWITZER, MEDIUM, SELF-PROPELLED FULL-TRACKED

TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1984

TM-9-2350-274-BD - Page 150 of 219

TM 9-2350-274-BD

COMMUNICATIONS SYSTEM

SECTION III. Fault Assessment and Procedures

11-5. Fault Assessment Table and Procedures.

a.

Be sure to read chapter 2 before starting troubleshooting. The appearance of

an assembly or component may indicate its general condition and reflect the type of

damage it has suffered. Examine for dented surfaces or holes, torn insulation, severed

cables, or other evidence of damage. This might indicate the source of trouble and the

need for repairs. Also check component boxes for unusual odors. After obvious damage

has been repaired, attempt to operate the communications system to check for damage

that might not be so obvious. The detailed assessment procedure leads to an expedient

repair procedure, if one exists, for the particular battlefield damage or to another

chapter in this manual.

b.

Check the intercommunications set for damage.

- AM 1780 Inoperative. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .go to para 11–10

- C-2298 or C-10456 Inoperative, . . . . . . . . . . . . . go to para 11-13

- Cables Damaged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. go to para 11-12

11-4

Change 3