DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE R E P A I R PARTS AND SPECIAL TOOLS LISTS (INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS)

*TM 11-5895-490-34P

T ECHNICAL M

HEADQUARTERS

ANUAL

DEPARTMENT OF THE ARMY

W ASHINGTON, DC, 21 June 1978

No.11-5895-490-34P

DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

R E P A I R PARTS AND SPECIAL TOOLS LISTS

(INCLUDING DEPOT MAINTENANCE REPAIR

PARTS AND SPECIAL TOOLS)

FOR

RECEIVER-TRANSMITTERS, RADIO

RT-859/APX-72 (NSN 5895-00-089-7179)

RT-859A/APX-72 (NSN 5895-00-160-2198)

AND

MOUNTINGS

MT-3809/APX-72 (NSN 5895-00-063-9498)

MT-3948/APX-72 (NSN 5895-00-089-9202)

Current as of 14 January 1978

REPORTING OF ERRORS

You can improve this manual by recommending improvements using DA

Form 2028-2 (Test) located in the back of the manual. Simply tear out the self-

addressed form, fill it out as shown on the sample, fold it where shown, and

drop it in the mail.

If there are no blank DA Form 2028-2 (Test) in the back of your manual,

use the standard DA Form 2028 (Recommended Changes to Publications and

Blank Forms) and forward to the Commander, US Army Communications and

Electronics Materiel Readiness Command, ATTN: DRSEL-MA-Q, Fort Mon-

mouth, New Jersey 07703.

In either case a reply will be furnished direct to you.

Table of Contents

Illus

Page

Figure

I. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION

II. Repair parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Group

00 Receiver Transmitter RT-859/APX-72 and RT-859A/APX-72 . . . . . . . . . . . . . . . . . . . . .

Receiver transmitter subassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0101 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0102 Chassis assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0103 Case, transponder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0104 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6,7

0105 Delay line assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0106 Decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0107 Mode4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0108 Encoder clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11, 12

0109 Encoder control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13,14

0110Encoder gaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16-20

03 Mount MT--3809/APX-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

04 Mount MT-3948/APX-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION

III. Special tools list (Not applicable)

IV.

National stock number and part number index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

*This manual supersedes TM 11589549034P, 8 November 1974.