TB 9-6625-2173-35
14. Preliminary
Instructions
a. The
instruction outlined in
paragraphs 14 and
15 are preparatory to the
calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
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 manufacturers' manuals for this TI.
d.
When indications specified in
paragraphs 16 through 22 are not within
tolerance,
perform the power supply check prior to making adjustments. After adjustments are made,
repeat paragraphs 16 through 22. 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.
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
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.
CAUTION
To prevent damage to TI because of inadequate cooling, remove
TI from power module and place on extender cables to make
adjustment(s) and replace TI in power module immediately
after making adjustment(s).
a. Set MODE switch to POWER OFF and install TI into power module and position
controls as listed in (1) through (11) below:
(1) CH 1 and CH 2 POSITION controls to midrange.
(2) CH 1 and CH 2 VOLTS/DIV switches to 10 m and CAL controls fully cw.
(3) CH 1 and CH 2 DC-GND-AC- switches to DC.
(4) Horizontal POSITION control to midrange.
(5) SECONDS/DIV switch to .2 ms.
(6) CAL/PULL X10 SWP MAG control fully cw and pushed in.