IDENTIFICATION AND DESCRIPTION.

TM 1-6625-735-14

5.23.

IDENTIFICATION AND DESCRIPTION.

The instructions in this section are preliminary to the

5.23.1. Test Instrument Identification. The

complete calibration process. Personnel involved in

information in this section establishes procedures for

this process shall review this entire section before

calibrating the Stabilization System Test Set, 70700-

proceeding with instructions.

20650-050. The manufacturer's manuals have been

Items of equipment used in this calibration process

used as prime data source in compiling these instruc-

are referenced within the text by common or generic

tions and procedures. The time required to complete

names and item identification number, as listed in

all procedures listed in this section is approximately 4

Table 5-2. and Table 5-3., and are prefixed with letter

hours, using dc (direct current) and frequency mea-

A or B.

surement techniques.

5.25.2.

Equipment Connections.

5.23.2. Calibration Description. The test set

parameters and performance specifications pertinent

to calibration are presented in tabular form to promote

WARNING

understanding of the detailed procedures in Table 5-1.

5.24.

EQUIPMENT REQUIREMENTS.

HIGH VOLTAGE is used during the

calibration process. DEATH ON CON-

5.24.1. Calibration Equipment Required.

TACT may result if personnel do not

Equipment listed in Table 5-2. (Minimum Specifica-

observe safety precautions.

tions of Equipment Required) are required to perform

the calibration process outlined in this section. Such

NOTE

equipment can normally be found at activities autho-

rized and issued Secondary Transfer Standards Cali-

Connections shown in Figure 5-11. are

bration Set, such as AN/GSM-286 or AN/GSM-287.

not changed during the entire calibration

process.

5.24.2.

Accessories Required.

Pull out all circuit breakers on test set.

NOTE

Connect equipment as illustrated in Figure 5-11.

Minimum use specifications are the prin-

ciple parameters required for perfor-

5.26.

CALIBRATION PROCESS.

mance of the calibration, and are

included to assist in the selection of

Power Supply 615 Vdc.

5.26.1.

alternate equipment, which may be used

at the discretion of the calibration activ-

5.26.1.1. Performance Check.

ity. Satisfactory performance of alternate

NOTE

items shall be verified prior to use. All

applicable equipment must bear evi-

Unless otherwise specified, verify the

dence of current calibration.

results of each test. Whenever the test

requirement is not met, corrective action

The accessories listed in Table 5-3. are issued as indi-

is necessary before continuing with the

cated in paragraph 5.25. and are to be utilized in this

process. Necessary adjustments for cali-

calibration procedure. When necessary, these items

brating the test set are listed herein.

may be substituted by equivalent items, unless spe-

cifically prohibited. Multimeter leads are not included

Push in Power TEST SET circuit breaker.

in this accessory list.

Connect multimeter to +15 VDC test point

5.25.

PRELIMINARY OPERATIONS.

and SIG GND. Multimeter shall indicate 15 6 0.15

5.25.1.

Setup Instructions.

vdc.

5-67