TM 1-1520-264-23
Figure 2-4. Main Rotor Blade (Voids)
2.4.3.5 NDI Equipment Settings. Refer to Bond Test Equipment, paragraph 1.4.6.1.
a.
Attach cable and probe to Bondmaster. Protect probe with Teflon tape and install in probe holder.
b.
Turn on Bondmaster, press SPCL, and make the following adjustments:
H Pos
- 40%
V Pos
- 80%
PHASE REF
- 0
DRIVE
- MID
c.
Press SET and select DISPLAY - PHASE.
d.
Place probe on the good area of test blocks and press GOOD PART. Do this several times while moving the
probe to different spots in the good area of the standard. Note the video signature for each. Select and enter a
representative good area by pressing GOOD PART one last time.
e.
Place probe on void area of test block and press BAD PART. Do this several times while moving the probe
slightly to different positions within the void area. Select and enter a position that gives a strong difference
between good and void areas. Use DIFF soft key to observe difference between good and bad areas of test
block.
2-10
