SIGN\L CORPS REPAIR STANDARD

PROJ-ECT 4.422D

REPAIRED EQUIPP£NT STA Mlt\RD

FOR

RADIO TRANSMITTER SECTION OF RADIO SET AN/PRC-5

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1\U. REP-439 ISSUE M>. 1

28 April 1954

SIGNAL CORPS ENGINEERING LABORATORIES FORT MONMOUTH, N. J.

SIGNU. CORPS EN;INEERlN; lABORATORIES FORT M>N&I)UTH, NEW lERSEY.

28 April 1954

Sitaal tor~• Repair .Standard.#439 has been prepared .aad•.r the ••p•r•iaien · et P•E · Divlai•n aa.d 11 pablia.hed fer th' i,nfer•atila ,nd t~idane• . e:r·: all .. · ce~ce,ned. Sat· t••&.teaa et eritici••• relative te ihe feria, eenteata, .par-. P•••~ •r ••e •I tbta .pahlieatiea abeald 'be referred te ll.taal C•r•• Bqt•••riat Laber~t•,i••• Ftrt: lltnMath, N.l., ~tla& C~iet, ltU.nt;•••••• Eatf:neerlat Bra.aoh.

' ·r. F. 'U&MM C•lenel, Silnal Corps c~~lld.ing .

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SIGNA~ CORPS REPAm STAND\RD

PREFACE

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NO. REP· 1SSUE NO.

Signal Corps Repair Standards (formerly Signal Corps Repaired Equipment Requirements) are prepared by the Main­tenance. Engineering Branch, Procurement-Maintenance Engi­neering Division, Signal Corps Engineering Laboratories, and cover various items of signal. equipments which are sub­ject to repair, test and inspection. These repair stand­ards are documents which set forth the specific repair re­quirements and test standards to be applied to the individ­ual equipments being reppired and tested.

Signal Corps Repair Standards are prepared for the specific use of the fifth echelon Signal Repair Shops in

· repairing and determining the quality and acceptability of repaired signal equipments covered by these standards. The use of Signal Corps Repair Standards is recommended as a guide and reference for any agency having oc~asion to repair·, test or inspect an item of signal equipment for which a repair standard has been prepared.

Signal Corps Repair Standard No. REP-1001 is a gen­eral standard and is subsidiary to any individual stand­ard prepared. No individual standard is to be considered complete in itself, but is to be used in conjunction with Signal Corps Repair Standard No. REP-1901, "General Stand­ards for Repaired Signal Equipment."

Reports of any discrepancies or any other constructive comments bearing upon this repair standard are invited. A series of Comments and/or Notes pages will be found in th~ back of thi.s standard which are designed to facilitate re­porting any inaccuracies noted. ~1 such reports or com­ments as well as requests tor additional

1copies, should be

addressed to:

cor.t.W<~DING OFFICER Signal Corps Engineering Laboratories, SIGEL-Ptrll-3 Fort Monmouth, New Jersey. ·

SIGNAL CORPS REPAIR STANDARD

i\0. REP .... 439 ISSUE NO. 1

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TABLE OF CONTENfS

Section Text Paragraph Page

I.

II.

III.

Preface • • e a a o o • e • • a • e

Statement Covering Applicability r• ;J,t·

Applicable References o • • • • • •

Repair Standards 0 • •• • • 0 • •

Technical Publications • • • 0 •

Test and Add1tional Equipment • • •

T st E('luipment 0 • • • • • 0 • •

Additional Equipment G 0 $ 0 e e

Test Data Sheet for Rad1o Transmitter Section of AN/PRC-5 •••••••• -.... -

I

A

B

A

B

II

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1

1

2

2

2

2

3

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SIGN\L CORPS REPAIR STANUI\RD

REPAIRED EQUIPMENT STANDARD FOR

l'l>o REP~439 ISSUE M>o 1

RADIO TUANSl\UTTER SECTION OF RADIO SET AN/PRC=5

Ie STA TEI\IENT COVERil\G APPLICABILITY

This repair standard covers inspe,ction requirements to be used in determining the quality nd acceptability of re~ paired Radio Transmitter Section of Radi~ Set AN/PRC=5o This must be used in conjunction with Siunal Corps Repair Standard Noe REP=l010e Radio Transmitter 0 General Stan~ dards which form a part of this standarde Its use is man­datory in the Maintenance Divisions ~f Signal Depots and the Signal Sections of General Depotso The use 0 insofar as limitations of test and calibration equipment permit 0 is highly recommended for all Signal Repair organizationse

IIo APPLICABLE REFEftEr\CES

Ao ll.!L!.!iJ:_§_t.aJl9.!J:.9.!&. Applicable paragraphs of the repair standards list~d below form a part of this standard~

Title Number

lo General St~ndards for REP~l001 Repaired ·Signal Equip-ment

2. Class 'HC"'- Receiver and REP~242 Low. Power Transmit tor Vacuum Tubes

3o Electrical Indicating REP-85 Instruments (1\.ieters)

4o Pressure or spacer REP~l2 !\.bunted crystal units in FT~243 holders in class ""en stocko

Paragraph

Dl 0 D2 0 D4 0 D5o 06 0 D8 0 DlO

Meters showing signs of sluggishness or suspected of incorrect indications shall conform to the requirements of all paragraphs of REP=85o

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SIGN4.L COUPS REPAIR STAND\RD

1\D,. REP-439 ISSUE 1\D. 1

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B. J~RJS.'l-l!bli~~~ The following technical publications form a part of this standard to the extent referenced herein~

Title Number

Technical Manual for Radio Set AN/PRC-5

TM 11-265

NOTE: All applicable MOdification Work Orders pertain­ing to this equipment shall be performed.

III. TEST0 AND ADDITIONAL EQUIPMENI'

The following equipmonts~ or suitable equivalents of known accuracyv will be employed in doterminin<J compliance with the requirem nts of this Signal Corps Repair Standard and will be capable of conforming to their respective Re­pair Standards:

A.. Jj s.t Egui,e.we.DJ

Equipment

Frequency Meter FR-4/U

Be b .9~.iJ j. 0 .9J! l E.9.\l.!.R9l.O .!U

Equipment

I. Crystal Unit CR5/U 4920 kc

2. Crystal Unit CR5/U 6645 kc

3. Key 0 J47 0 tele-<Jraph w/cord

t4. Resistor 0 fixed non-inductive 100 ohms

2

Stock Number Mtmber REP Used

3F2435-4 1

Stock Number Number REP lsed

2Xl86T=4920 1 REP-12

2Xl86T-6645 1

3Z3447.1 1

3Z6010-187 4

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SIGf~L CORPS l'l>. REP~439 REPAIR STANDARD ISSUE M>. 1

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5o RF ~filliameter 0~500 ma

3F950-35

tNOTE~ Use 4 ea in serj_es.

TEST DATA SHEET FOR

RADIO TRAr.SnUTTER SECTION OF AN/PRC-5

1

A. §.e.n.e.IJ.!~JJ9iJ.!.2!l.f

1. Dummy antenna 400 ohms Nlv 40 watts.

2. Power source shall be 110/220 volts AC ±10 volts 9

single phase.

3. Equipment tuned per paragraph 22 of Technical Manual TM 11-265.,

B.

4. Warm up period of at least 15 minutes.

Detailed Tests -....... ....-.. ............. ,.._...,

le Frequency Range Cov~red in 4 Bands

From 4000 kcs

To 16 9 000 kcs

Band 1 4000 to 6000 kc Band 2 6000 to 8000 kc Band 3 8000 to 12000 kc ·· Band 4 12000 to 16000 ke

2. RF Power Output

cw

At 4lJ20 kc 200 ma (16 watts) At 6645 kc 200 rna (16 watts) At 9840 kc 158 ma (10 watts) At 13290 kc 158 rna (10 watts)

ma _____ _._.... ........ rna ........,. _ _.,.. ...... __.

rna ........... -.. -- ma ---satisfactory

Tests listed in aEP-1010 but which do not appear on this Test Data Sheet do not apply to the Transmitter Section of Radio Set AN/PRC-5.

Ar my , Ft. Monmouth , NJ-MON 2196-5!+

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SIGN A L. C ORPS

REPAIR STANDARD

COMMENTS AND/ OR NOTES

NO. REP-----

ISSUE NO. ___ _

Army Ft Mon N. J.

SIGNAL CORPS

REPAIR STANDARD

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NO :.- REP-: ______ --'

ISSUE (\JO. __ ~

Army Ft Mon N. i.