CHAPTER 4 ORGANIZATIONAL MAINTENANCE

TM 11-5895-833-12/NAVELEX 0967-LP-550-1010/TO 31R5-2TSC54-91

CHAPTER 4

ORGANIZATIONAL MAINTENANCE

Section I. PREVENTIVE MAINTENANCE

a. Preventive maintenance checks and services of

4-1. Scope of Organizational Maintenance

the frequency conversion subsystem at the

organizational category of maintenance are made on a

The maintenance duties assigned are listed below

daily, weekly, or monthly interval unless otherwise

together with references to the paragraphs covering the

directed by the Commanding Officer. The preventive

specific maintenance functions. The duties assigned do

maintenance checks and services should be scheduled

not require tools or test equipment other than those is-

concurrently with the periodic service schedule of the

sued with the equipment.

carrying vehicle for all vehicular installations.

a. Daily preventive maintenance checks and services

Maintenance forms and records to be used and

(para 4-5).

maintained on this equipment are specified in TM 38-

b. Corrective maintenance (para 4-13).

750.

c. Clearing (para 4-8).

b. Systematic Care. The procedures given in para-

d. Replacement of fuses and indicator lamps (pars 4-

graphs 4-5 through 4-10 cover routine systematic care

9).

and cleaning essential to proper upkeep and operation of

the equipment.

4-2. Tools, Materials, and Test Equipment Required

4-5. Preventive Maintenance Checks and

The only tools and test equipment required for

Services Periods

organizational maintenance are issued as part of the

AN/TSC-54. The materials required are as follows:

Preventive maintenance checks and services of the

frequency conversion subsystem must be accomplished

a. Trichloroethane.

daily and under the special conditions listed below:

b. Cloth, textile: cheesecloth, lint-free (NSN 8305-00-

267-3015).

a. When the equipment is initially installed.

c. Abrasive sheet (NSN 5350-00-271-7939).

b. When the equipment is reinstalled after removal for

d. Tool Kit, Electronic Equipment TK-105/G (NSN

any reason.

5180-00-610-8177).

4-6. Daily Maintenance

4-3. Organizational Preventive Maintenance

The preventive maintenance checks and services chart

Preventive maintenance is the systematic care,

(para 4-7) outlines functions to be performed daily.

inspection, and servicing of equipment to maintain it in

These checks and services are to maintain military

serviceable condition, prevent breakdowns, and assure

electronic equipment in a combat serviceable condition;

maximum operational capability. Preventive mainte-

that is, in good general (physical) condition and in good

nance is the responsibility of all categories of mainte-

operating condition. To assist operators in maintaining

nance concerned with the equipment and includes in-

combat serviceability, the chart indicates what to check,

spection, testing, and repair or replacement of parts,

how to check, and the normal conditions; the References

subassemblies, or units that inspection and tests indi-

column lists the illustrations, paragraphs, or manuals that

cate would probably fail before the next scheduled

contain detailed repair or replacement procedures. If the

periodic service.

defect cannot be remedied by the operator performing

the corrective actions listed, higher category

4-4. Maintenance Intervals

maintenance or repair is required. Records and reports

of these checks and services must be made in

accordance with TM 38-750.

4-7. Dally Preventive Maintenance Checks and Services Chart

Sequence

Item to be

number

inspected

Procedure

Reference

Completeness

Check that the equipment is complete

Para 1-8

4-1