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Geometric Orientation of the Engine | Up
Gas Turbine Systems Supervisor - Supervisor manual for Gas Turbine Engines | Next
Compressor |
the light cable attachment. On the Wolf and Eder
probes, the viewing window is 90 degrees clockwise
from the light cable, as shown in figure 2-4. In the
future, borescoping equipment may have changes
incorporated that significantly improve the inspection
equipment.
Newer models may incorporate a
swiveling light cable that allows the cable to hang
down regardless of the viewing direction. You must
read the manufacturer’s instruction manual before you
can successfully use the equipment. Figure 2-5 is an
example of how the engine and borescope geometry
work together.
It shows you how the borescope
appears when looking forward and aft from the right
side of the engine or from the left side of the engine.
BORESCOPE PORTS
Table 2-2 is a description of the ports and the
areas that you can see from each borescope port.
Figure 2-6 shows you the component materials
Figure 2-4.—Light cable azimuth for borescope probes.
a n d t h e t e m p e r a t u r e s a t w h i c h t h e v a r i o u s
components normally operate. The locations
Figure 2-5.—Geometric orientation of the borescope.
2-4
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