Touchup Painting Inspections

TM 11-6625-667-12/NAVAlR 16-30APM-123-1/TO 33A1-3-367-1

exposure of the fumes to open flames

b. Brush two thin coats of paint (enamel, semi-

gloss specification No. TTE529, FSN 8010

converts the fumes to highly toxic, dan-

gerous gases.

3811242) on the bare metal to protect it from

further corrosion.

c. Remove grease, fungus, and ground-in dirt

from cases; use a cloth dampened (not wet) with

trichloroethane.

3-10. General Troubleshooting Information

CAUTION

Do not apply excessive pressure to the

Troubleshooting this equipment is based on the

antenna or damage to the antenna may

operational check contained in the daily preven-

result.

tive maintenance checks and services chart. To

troubleshoot the equipment, perform all func-

3-9. Touchup Painting Inspections

tions starting with item 5 in the daily preventive

NOTE

maintenance checks and services chart (para 3-

Refer to the applicable cleaning and re-

5) and proceed through the items until an ab-

finishing practices specified in TB 746

normal condition or result is observed. Perform

10.

the checks and corrective actions indicated in

the troubleshooting chart. If the corrective meas-

a. Remove rust and corrosion from metal sur-

ures indicated do not result in correction of the

faces by lightly sanding them with #000 sand-

trouble, higher level maintenance is required.

paper.

3-11. Troubleshooting Chart

Checks and

Trouble symptom

Probable trouble

corrective measures

Item No.

a. Replace lamp (para

POWER indicator does not light. a. Power cable or POWER indica-

(3-12). Replace power

tor lamp defective.

cable.

b. Replace fuse (para

b. Defective fuse.

3-13).

Replace lamp (para 312).

ACCEPT or REJECT indicator

Lamp defective.

does not light.

Higher level maintenance

Test set not operating properly.

Self-test indicates REJECT.

required.

3-13. Replacement of Fuses

3-12. Replacement of Lamps

To remove and replace the fuses, proceed as fol-

To remove and replace the lamps, proceed as fol-

lows :

a. Rotate the fuse cap counterclockwise.

a. Rotate the indicator cap counterclockwise.

b. Pull the defective fuse out of the fuse cap

b. Press the lamp in, rotate it counterclock-

and install a good fuse.

wise, and remove it or withdraw lamp from in-

dicator cap as applicable.

c. Install the 1 new fuse cap back in the test

set; tighten the fuse cap by rotating clockwise.

c. Install a new lamp into the lamp socket or

indicator cap.

d. Tighten the indicator cap by rotating clock-

wise.

3-3