Chapter 5. AVIATION INTERMEDIATE MAINTENANCE SUPPORT INSTRUCTIONS

TM 9-4931-378-13&P

CHAPTER 5

AVIATION INTERMEDIATE MAINTENANCE SUPPORT INSTRUCTIONS

Section I. SERVICE UPON RECEIPT OF MATERIEL

Inspect external wiring and cable assemblies for

5-1. inspecting, Servicing, Installing, and Setting-Up ln-

cut, burned, or abraded insulation exposing bare

structions.

conductor, abrupt V bands which weaken conduc-

tor; points of abrasion not insulated.

Inspect front panel for dust, dirt, lint, grease, oil,

Inspect checking fixture for bends, twists, dents,

or other foreign matter, worn spots or deep

grease, oil, missing parts, deep scratches on sur-

scratches on surfaces, marred protective finish ex-

faces, loose or missing screws, missing dowel pins,

posing bare metal, loose screws, missing, illegible

and illegible or obliterated markings.

or obliterated marking, decals, and reference desig-

In s pect pneumatic kit parts for bends, twists r

nators.

b. Inspect connectors for broken, loose, bent cor-

dents, grease, oil, missing parts, deep scratches on

roded or missing pins, cracked insulation.

surfaces or obliterated markings.

Section Il. PREEMBARKATION INSPECTION OF MATERIEL

IN UNITS ALERTED FOR OVERSEAS MOVEMENT

b. Cable assemblies must not have loose or damaged

5-2. General. This inspection is conducted on materiel in

connections, cut or worn insulation, broken wires, kinks, or

alerted units scheduled for overseas duty to ensure that

sharp bends.

such materiel will rtot become unserviceable in a relatively

c. Materiel must be free of burrs, particularly those

short time. The inspection prescribes a higher percentage of

on functional surfaces.

remaining usable Iifs in serviceable materiel to meet a spe-

d. Parts must not be cracked, bent, distorted, or dam-

cific need beyond minimum serviceability.

aged, and must be free of detrimental wear.

Rivets must be tight.

5-3. Inspection Points.

Painted surfaces must be free of bare spots.

Operating controls must function smoothly.

Screw heads must be in serviceable condition, and

Identification plates must be present and secure.

threads must not be stripped. Internal threads must not be

Inspect electrical components for improper func-

stripped.

tioning, physical damage and missing parts.

Section III, TOOLS AND EQUIPMENT

5-4. General. Repair parts, special tools, special test

by the operator or technician are listed in Appendix E,

Repair Parts and Special Tools List.

equipment, and accessories issued with or prescribed for use

Section IV. REPAINTING AND REFINISHING INSTRUCTIONS

Paint or retouch with two coats of gray enamel

5-5. Reference Documents. Refer to TM 9-213, Painting

(Item 12, Appendix F).

instructions for Field Use. for general Procedures Specific

painting details are provided below.

5-7. Front Panel. To repaint or retouch the test set front

panel:

5-6. Enclosure. To repaint or retouch the test set enclo

a. Apply one coat of primer (Item 11, Appendix F).

sure:

Apply zinc chromate prime coat ([tern 11, Appen-

b. Paint or retouch with two coats of gray enamel

dix F).

Item 12, Appendix F).

5-1