Chapter 1. INTRODUCTION - TM-11-6625-2843-140007

TM 11-6625-2843-14

CHAPTER

INTRODUCTION

Section

GENERAL

1-1. Scope

a g e m e n t System. EIRs should be mailed direct to Com-

This manual provides instructions for the installation,

mander, US Army Electronics Command, ATTN

operation, maintenance, and troubleshooting of Test

D R S E L - M A - Q , Fort Monmouth, NJ 07703. A reply will

Set, Synchro TTU-23/E (fig. l-l). The manual de-

b e furnished direct to you.

scribes the maintenance requirements for the operator,

1-5.

Administrative

Storage

organizational, direct support, and general support

Administrative storage of equipment issued to and

maintenance personnel. Appendix A contains

u s e d by Army activities shall be in accordance with TM

references and appendix D contains the maintenance

740-90-1.

allocation

chart.

1-6. Destruction

Army

Electronics

1-2. Indexes of Publications

Materiel

a. DA Pam 310-4. Refer to the latest issue of DA

Destruction of Army electronics materiel to prevent

Pam 310-4 to determine whether there are new edi-

e n e m y use shall be in accordance with TM 750-244-2.

t i o n s , changes, or additional publications pertaining to

Table

1-1.

Nomenclature

Cross

Reference

the equipment.

b . DA Pam 310-7. Refer to DA Pam 310-7 to deter-

Nomenclature or component

Common name

mine whether there are modification work orders

Test Set, Synchro TTU-23/U

(MWO's) pertaining to the equipment.

Test set

Autosyn,

Test

(Transmitter)

B201

Transmitter

1-3.

Forms

and

Records

13658-77A

Reports

Maintenance

and

Unsatisfactory

Amplifier,

Synchro,

Signal

A201

Servaamplifier

Signal

Equipment. Maintenance forms, records, and reports

Autosyn,

Servoed

Indicator

B202

Indicator

which are to be used by maintenance personnel at all

13662-51A

m a i n t e n a n c e levels are listed in and prescribed by TM

Transmitter

Svnchro,

Lacked

autosyn

38-750.

AY201S-3B

b. Report of Packaging and Handling Deficiencies.

Cable

Assembly,

Special P u r -

Power source cable A

p a c er E l e c t r i c a l

Fill out and forward DD Form 6 (Packaging Improve-

Cable

Assembly,

Special P u r -

Adapter

cable

ment

Report)

prescribed

pose,

Electrical

"B"

700-58

/NAVSUPINST

4030.29/AFR

71-13/MCO

Cable

Assembly,

Special P u r -

Power source cable C

P4030.29A, and DLAR 4145.8.

pose,

Electrical

"C"

c. D i s c r e p a n c y i n S h i p m e n t R e p o r t ( D I S R E P ) ( S F

Cable

Assembly,

Special P u r -

Power source cable E

pose,

Electrical

"E"

361). Fill out and forward Discrepancy in Shipment

Cable Assembly, Special P u r -

Power source cable F

Report (DISREP) (SF 361) as prescribed in AR

pose, Electrical " F"

55-38 /NAVSUPINST 4610.33

B/AFR

75-18/MCO

Special P u r -

Cable

Assembly,

Test adapter cable G

P4610.19C and DLAR 4500.15.

pose, Electrical " G"

Special P u r -

Cable

Assembly,

Test cable H

1-4. Reporting Equipment

Improvement

pose,

Electrical

``H"

Recommendations (EIR)

Cable

Assembly,

Special P u r -

Autosyn test cable J

E I R ' s will be prepared using DA Form 2407, (Mainte-

pose,

Electrical

"J"

Cable

Assembly,

Special P u r -

nance Request). Instructions for preparing EIRs are

Dual indicator test cable K

pose, Electrical "K'

provided in TM 38-750, The Army Maintenance Man-

Section

II.

DESCRIPTION

AND

DATA

1-7.

Purpose

and

Use

i n a case and is supplied with nine electrical cable as-

T e s t Set, Synchro TTU-23/E is a portable field instru-

semblies and one test plug.

ment used for testing 26-volt, 400-Hertz self-syn-

b. The

panel

assembly

contains

the

operating

con-

c h r o n o u s and servoed synchro indicators and transmit-

t r o l s , switches, and indicators which are mounted on a

t e r s installed in aircraft. The test set allows electrical

panel and are protected by a hinged cover when the

zero and calibration checks as well as an operating

t e s t set is not in use,

c h e c k if the low-inertia motor is contained in servoed

c. B e n e a t h t h e p a n e l a s s e m b l y a r e l o c a t e d s e r -

instruments.

voamplifier A201, power transformer T201, and three

1-8.

Description

calibrated autosyn synchros: transmitter B201, indica-

a. The test set consists of a panel assembly mounted

t o r B202, and a locked autosyn B203.

1-1