Page 286 - Root Cause Failure Analysis
P. 286
274 Root Cause Failure Analysis
Figure 26-2 Wearpattern caused by abrasives in lubricating oil.
Chemical Attack or Corrosion
Water and other foreign substances in the lubricating oil supply also cause gear degra-
dation and premature failure. Figure 26-3 illustrates a typical wear pattern on gears
caused by this failure mode.
Figure 26-3 Pattern caused by corrosive attack on gear teeth.
