TB 9-6625-2112-35
c. Unless otherwise specified, verify the result 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.
d. When indications specified in
paragraphs 8 through 12 are not within
tolerance,
perform the power supply check prior to making adjustments. After adjustments are made,
repeat paragraphs 8 through 12. Do not perform power supply check if all other
parameters are within tolerance.
e. Unless otherwise specified, all controls and control settings refer to the TI.
HIGH VOLTAGE is used or exposed during the performance of
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
a. Set 115/230 switch (rear panel) to 115.
c. Connect autotransformer to a
115 V ac
source and
adjust for a
115 V
output.
d. Position controls as listed in (1) through (8) below:
(1) REPETITION RATE switch to 10 kHz and vernier control fully cw.
(2) DELAY/ADVANCE switch to 1 s and vernier control fully ccw.
(3) WIDTH switch to 1 s and vernier control fully ccw.
(4) AMPLITUDE VOLTS switch to 2 V and vernier control fully cw.
(5) GATE MODE switch to NON-GATED.
(6) PULSE MODE control to DELAY.
(7) SYNC POLARITY switch to POS.
(8) PULSE POLARITY switch to NEG.
e. Set POWER switch to ON and allow at least 30 minutes for equipment to warm-up
and stabilize.
a. Performance Check
(1) Connect PULSE OUTPUT to frequency counter.
NOTE