Preliminary Procedures

7. Preliminary Procedures. a. Remove the unit under test

from its case as follows:

(1) Unlatch and remove cover of unit under test.

(2) Remove the sixteen machine screws that secure

panel of unit under test in its case.

(3) Carefully lift panel out of case.

(4) Position panel on a clean work area for

convenient access to both the front and rear of panel.

b. Connect equipment as shown in A, figure 3.

c. Adjust electronic voltmeter for 300 volt operation

and energize voltmeter. Allow 5 minutes for voltmeter

stabilization.

d. Energize 115 vac, 400 Hz primary power circuit

and adjust variable transformer for a 45 volt indication on

electronic voltmeter. Change metering range of

electronic voltmeter as required.

e. Deenergize 115 vac, 400 Hz primary power

circuit and disconnect electronic voltmeter from variable

transformer. Do not disturb setting of transformer control.

f. Connect equipment as shown in B, figure 3. Do

not connect electronic voltmeter to barrier strip at this

time.

NOTE

The following paragraphs are divided

into subparagraphs a, performance

B. TEST CABLE ASSEMBLY NO.2

check and subparagraphs b and c,

adjustments. When the performance

NOTE: ALL CABLE CONDUCTORS ARE

check is not within tolerance and no

STRANDED NO. 18 AWG, INSULATED

adjustment is specified, the deficiency

must be corrected before continuing with

EL 5995-207-35/1-TB-2

the procedure.

Figure 2. Simulator test cable assemblies No. I and No. 2