Chapter 3. OPERATOR'S MAINTENANCE

CHAPTER 3

OPERATOR'S MAINTENANCE

functions to be performed at specific intervals.

3-1. Scope of Operator's Maintenance

These checks and services are to maintain

The maintenance duties assigned to the opera-

Army electronic equipment in a combat-ser-

tor of the power supply are listed below to-

viceable condition; that is, in good general

gether with a reference to paragraphs cover-

(physical) condition and in good operating

ing the specific maintenance function.

condition. To assist operators in maintaining

a. Operator's daily preventive maintenance

combat serviceability, the chart indicates what

checks and services chart (para 3-5).

to check, how to check, and the normal indica-

b. Operator's weekly preventive maintenance

tions; the References column lists the illustra-

checks and services chart (para 3-6).

tions, paragraphs, or manuals that contain

c. Cleaning (para 3-7).

detailed repair or replacement procedures. If

the defect cannot be remedied by the operator,

3-2. Materials Required

a higher category of maintenance or repair is

a. Cleaning compound

required. Records and reports of these checks

( F S N 7930-395-

9542) .

and services must be made in accordance with

the requirements set forth in TM 38-750.

b. Cleaning cloth.

3-4. Operator's Preventive Maintenance

3-3. Operator's Preventive Maintenance

Checks and Services Periods

Preventive maintenance is the systematic care,

Paragraph 3-5 specifies checks and services

servicing, and inspection of equipment to prev-

that must be accomplished daily, or under the

ent the occurrence of trouble, reduce down-

conditions listed below.

time, and assure that the equipment is service-

a. Before the power supply is put into opera-

able.

tion.

a. Systematic Care. The procedures given in

b. When the power supply initially is in-

paragraphs 3-5, 3-6, and 3-7 cover routine

Stalled.

systematic care and cleaning essential to the

proper upkeep of the power supply.

c. When the power supply is reinstalled

after removal for any reason.

b. Preventive Maintenance Check and Ser-

vices. The preventive maintenance checks and

d. At least once each week if the power sup-

services charts (para 3-5 and 3-6) outline

ply is maintained in a standby condition.

3-5. Operator's Daily Preventive Maintenance Checks and Services Chart

Warnings:

1. Be careful when working on the 115- or 230-volt ac line connections Serious injury or DEATH

may result from contact with these terminals.

2. Low-voltage, high-amperage current is present at output connations and at connections in-

side equipment. Do not touch connections or remove cabinet cover until equipment is removed

from power source. Reenergize power supply before performing any maintenance.

3-1