Section I. INTRODUCTION AND DESCRIPTION

TM 11-6625-646-15

SECTION I

INTRODUCTION AND DESCRIPTION

1-2.4.

Reporting

Equipment

Improvement

1-1. General

Recommendations (EIR)

EIR's will be prepared using DA Form 2407,

1-2. Scope

(Maintenance Request). Instructions for preparing EIR's

This manual describes Test Set, Stabilization

are provided in TM 38-750, the Army Maintenance

Equipment TS-1894/ASM (fig. 1-1) and provides

Management System. EIR's should be mailed direct to

instruction for operation, maintenance, and functioning

Commander, US Army Electronics Command, ATTN:

of the equipment.

It includes the maintenance

DRSEL-MA-Q, Fort Monmouth, NJ 07703. A reply will

allocation chart and illustrated parts breakdown. Unless

be furnished direct to you.

otherwise indicated, all references to the TS-1894/ASM

apply to SAS Bench Test Set part Nos. 114E5987-4 and

1-2.5. Administrative Storage

114E5987-8.

Administrative storage of equipment issued to and used

by Army activities shall be in accordance with TM 740-

1-2.1. Indexes of Publications

90-1.

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

Pam 310-4 to determine whether there are new editions,

1-2.6. Destruction of Army Electronics Materiel

changes, or additional publications pertaining to the

Destruction of Army electronics materiel to prevent

equipment.

enemy use shall be in accordance with TM 750-244-2.

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

determine whether there are modification work orders

1-3. Purpose of Equipment

(MWO's) pertaining to the equipment.

1-4.

1-2.2. Forms and Records

The test set tests the Stability Augmentation System

a. Reports of Maintenance and Unsatisfactory

(SAS) amplifier installed in CH-47 helicopters. The test

Equipment. Maintenance forms, records, and reports

set determines that a SAS amplifier or its plug-in cards

which are to be used by maintenance personnel at all

perform according to minimum serviceability standards.

maintenance levels are listed in and prescribed by TM

Test cables and receptacles and air pressure

38-750.

connections are provided for SAS amplifier tests. In test

b. Report of Packaging and Handling Deficiencies.

set 114E5987-8, adapter 114V3058-1 (roll gyro

Fill out and forward DD Form 6 (Packaging

simulator) is provided Three CARD TESTER

Improvement

Report)

prescribed

receptacles, marked DEM/MOD, AMPLIFIER, and

70058/NAVSUPINST

4030.29/AFR

71-13/MCO

CALIBRATION, are installed on the front panel. In

P4030.29B, and DLAR 4145.8.

addition, test points (test jacks) are provided for

c. Discrepancy in Shipment Report (DISREP) (SF

measuring input, output, and signal voltages at the

361). Fill out and forward Discrepancy in Shipment

receptacle of the SAS amplifier. Test jacks are also

Report (DISREP) (SF 361) as prescribed in AR 55-

provided for measuring resistances or checking relay

38/NAVSUPINST

4610.33B/AFR

75-18/MCO

operation on its plug-in calibration card.

P4610.19C and DLAR 4500.15.

1-5. Adapter Switch Operation

An adapter switch is located behind a warning

1-2.3. Reporting of Errors

instruction panel on the front panel. The switch is

You can help improve this manual by calling attention to

factory-set at B for testing CH-47 SAS amplifiers.

errors and by recommending improvements and stating

Position A is used for testing SAS amplifiers for other

your reasons for the recommendations. Your letter or

helicopters.

Operating the switch from B to A

DA Form 2028 (Recommended Changes to Publications

transposes the pitch and roll channel circuits of the test

and Blank Forms)should be mailed direct to

set. It also changes the amplifier operating voltage

Commander, US Army Communications & Electronics

output of the test set from 115 to 26 volts ac.

Materiel Readiness Command, ATTN: DRSEL-MA-Q,

Fort Monmouth, NJ 07703. A reply will be furnished

direct to you.

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