TM 1-1520-264-23
2-72 Change 1
WARNING
Maintenance Platforms/workstands
Use only appropriate platforms, workstands, or other approved locally
Procured stands and restrain equipment when working above 10 feet on
helicopters in a nontactical environment. Otherwise, personal injury could
result from accidental falls.
2.30.3.4 Preparation of Part. The bottom side of the base-plate shall be thoroughly
cleaned. Refer to Preparation of Part Area for NDI, paragraph 1.4.4 Do
not remove paint.
2-30.3.5 NDI Equipment Settings. Refer to Bond Test Equipment, paragraph
1.4.6.1
a. Attach cable and probe to the Bondmaster. Install the probe in the
probe holder.
b. Turn on the Bondmaster, press SPCL, and make the following
adjustments:
H Pos
77%
V Pos
100%
PHASE RED
270 degrees
DRIVE
HIGH
c. Press SPCL a second time and make the following adjustments:
V-GAIN
26.0db
T-Erase
1
NOTE
V-GAIN may be adjusted to plus or minus 3db to fine tune the
instrument as the probe especially as it moved outboard during
the inspection.
d. Press SET and select DISPLAY AMPL1
e. Adjust the frequency to 5.01 kHz.
f. Press the RUN key and reset the V-GAIN to 26.0dB.
g. Place the probe on a good area of the test block and press NULL.
The dot should be at the top of the screen, near the center.
