TB 9-6625-1314-35
NOTE
Unless otherwise specified, verify the results of each test and,
whenever the test requirement is not met, take corrective
action before continuing with the calibration. Adjustments
required to calibrate the TI are included in this procedure.
Additional maintenance information is contained in the
manufacturer's manual for this TI.
NOTE
Unless otherwise specified, all controls and control settings
refer to the TI.
21. Equipment Setup
a. Insert TI into voltmeter (A14).
b. Connect voltmeter to 115 V ac source.
c. Energize voltmeter and allow at least 30 minutes for warm-up.
d. Short voltmeter INPUT, using lead (B3).
e. Set RANGE switch to 10 V.
f. Adjust voltmeter rear panel ZERO adjustment to obtain an indication of 0.000 on
voltmeter with + (plus) and - (minus) lights flashing alternately.
g. Remove short from INPUT terminals.
h. Press and hold voltmeter INT CHECK 8000 pushbutton and adjust INT CHECK
8000 adjustment to obtain an indication of -8.000 on voltmeter. Release pushbutton.
i. Set TI RANGE switch to 100 MV.
j.
Repeat d above.
k. Adjust TI ZERO adjust to obtain an indication of 00.00 on voltmeter with + (plus)
and - (minus) lights flashing alternately.
l.
Set TI RANGE switch to 1000 MV.
m. If
required, adjust A2R33 (fig. 5) to
obtain an
indication of
000.0 on
voltmeter.
NOTE
TI must be removed for adjustment.
Adjust in increments
until desired indication is obtained.
25