Chapter 7. DEPOT MAINTENANCE

TM 11-6660-204-25

CHAPTER 7

D E P O T MAINTENANCE

of all new or used supplies which are in condition

7-1. Scope of Depot Maintenance

for issue for the purpose intended and all supplies

This chapter contains instructions for depot main-

which can be placed in such condition through

t e n a n c e of Radiosonde Recorder AN/TMQ-5(*).

preissue tests or inspection, in-storage deprocess-

These instructions supplement those appearing in

ing, installation of accessories, correction of

the preceding chapters of this publication. Opera-

minor deficiencies which have developed since the

ting instructions are in TM 11-6660-204-10.

item was last classified as serviceable, and appli-

c a t i o n of modification work orders for which

7-2. Tools, Materials, and Test Equipment

parts are available or assembly of available com-

Required

ponents.

a. Tools.

(2) Unserviceable. U n s e r v i c e a b l e m a t e r i a l

(1) Tool Kit, Electronic Equipment TK-100/G.

consists of all supplies which are not serviceable.

(2) Tool Kit, Electronic Equipment TK-105/G.

The definition of unserviceable material is further

broken down into the following subclassifications:

b. Materials.

(a) Material which is unserviceable but

(1) Lint free cloths.

economically repairable.

7930-

(2) Cleaning

compound

(FSN

(b) Material which is unserviceable but

395-9452).

uneconomically repairable.

(3) Lubricating oil.

c. Test Equipment.

7-4. Depot Maintenance of Radiosonde

(1) Multimeter TS-352.*

Recorder AN/TMQ-5(*)

( 2 ) Oscilloscope AN/USM-140.*

a. Check to see that the radiosonde recorder is

(3) Scale, weighing, 8 ounces.

f r e e from defects as determined in chapter 5.

(4) Test Set, Electron Tube TV-2.

Refer to paragraphs 3-25 through 3-49 and 4-10

through 4-14 for repair of defects by adjustment,

(5) Stopwatch.

*Or equivalent. Refer to APP. B.

alignment, repair, or replacement.

7-3. Depot Maintenance Standards

b. Repair and rebuild procedure consists of re-

placing any part which has been determined to be

a. Depot maintenance, including the rebuilding

unserviceable. No procedures are recommended

of the Frequency-Time Recorder RD-88(*)/

for restoring any unserviceable parts to good con-

TMQ-5, will be made after a technical inspection

dition, only total replacement of defective parts is

of Equipment turned in for repair. The technical

recommended.

inspection determines the extent of repairs re-

quired and provides the basis for the requisition-

c. Disassembly for part replacement will be

ing of parts, assemblies, or supplies necessary to

made in accordance with one of the illustrations

accomplish the repairs.

in chapter 8.

b. Inspection will determine the classification of

d. All equipment repaired at depot maintenance

the equipment as follows:

l e v e l must meet the requirements set forth in

(1) Serviceable. Serviceable material consists

chapter 8.

7-1/(7-2 blank)

Change 3