Operator's Daily Preventive

TM 11-6625-539-15-2

4-4. Operator's Daily Preventive

Maintenance

Checks

and

Service

Chart

Check equipment for completeness and general condition . . . . . App B.

Test

set

Clean exterior surfaces of the equipment . . . . . . . . . . . . . . . ---- Para 4-7.

Exterior

surfaces

Inspect external receptacles for breakage and looseness . . . . . . .

External

receptacles

Inspect

front

panel

glass

window

for

damaged

housing,

broken

Meter

glass

glass, physical damage, dust, or moisture.

During

operation

(sequence

No.

6),

check

knobs,

controls,

and

Knobs,

controls,

and

switches__

switches

for

proper

mechanical

action.

Action

must

positive,

without

backlash,

binding,

scraping.

During operation, be alert for any abnormal indications

Operation

4-5. Operator's Weekly Preventive Maintenance Checks and Services Chart

1 Cables

Inspect external cables for cuts, cracked or gouged jackets,

fraying,

kinks.

2 Hardware

Inspect all exterior hardware for looseness and damage. The

test

set

cover,

carrying

handle,

latches,

and

all

bolts

and

screws must be tight and not damaged.

3 Preservation

Inspect equipment for bare spots, rust, and corrosion. If these Paras 4-7 and 4-8.

conditions

exist,

refer

higher

maintenance

category

for

repair.

4 Batteries

Inspect batteries for leakage, corrosion, and swelling

4-6. Organizational Monthly Preventive Maintenance Checks and Services Chart

Inspect

the

manual

for

completeness

and

usable

condition.

Pam

310-4.

Publications

sure that all changes to the manual are on hand.

Check

see

that

all

URGENT

MWO's

have

been

applied

and

Pam

310-7.

Modification

work

orders

that

all

NORMAL

MWO's

have

been

scheduled.

Check

the

equipment

for

completeness

and

general

condition__

App

Completeness

Clean the exterior surfaces of the equipment

Para 4-7.

Cleanliness

Inspect the equipment to determine that it is free of bare spots, Para 4-8.

Preservation

rust,

and

corrosion.

Inspect

the

external

receptacles

for

breakage

and

looseness_

External

receptacles

Inspect

the

front

panel

glass

for

damaged

housing,

broken

Meter

glass

glass,

physical

damage,

dust,

moisture.

Inspect

the

external

cables

for

cuts,

cracked

damaged

Cables

jackets,

fraying,

kinks.

During

operation,

alert

for

any

abnormal

indication

Operation

Caution: Do not press on the meter face (glass)

4-7. Cleaning

when cleaning; the meter may become damaged.

Inspect the exterior surface of the test set. The ex-

d. Clean the front panel, meter, and control knobs;

terior surface should be free of dirt, grease, and

use a soft, clean cloth. If necessary, dampen the cloth

fungus.

with water; mild soap may be used for more effective

a. Remove dust and other loose dirt with a clean,

cleaning.

SOft cloth.

4-8. Rustproofing and Painting

Warning: Prolonged breathing of cleaning

a. Rustproofing. When the finish on the test set has

compound is dangerous; make certain that ade-

become badly scarred or damaged, rust and corrosion

quate ventilation is provided. Cleaning compound

can be prevented by touching up the bare spots. Use

is flammable; do not use near a flame. Avoid con-

No. 000 sandpaper to clean the surface down to the

tact with the skin; wash off any that spills on

bare metal. Obtain a bright, smooth finish.

your hands.

b. Painting. Remove rust and corrosion from mental

b. Remove grease, fungus, and ground-in dirt from

surfaces by lightly sanding them with fine sand-

the cases; use a cloth dampened (not wet) with clean-

paper. Brush two thin coats of paint on the bare metal

ing compound (FSN 79303959542).

to protect it. Refer to the applicable cleaning and re-

c. Remove dirt from plugs and jacks with a brush.

finishing practices specified in TB SIG 364.

4-2