Eye the inlet guide vanes and compressor for cleanliness. If the engine is still dirty, a second cleaning should do the trick. Clean the air temperature sensing element with dry cleaning solvent and put it back on the inlet housing. Secure the nuts and lockwire the mounting bolts. connect the pressure line at the air-bleed actuator. Put the separator and screen filters back. Close the cowlings, and your bird's LATCH SEPARATOR ready to take to the wild blue with new SECURELY pep, vim and vigor. IT'S W A' TVAT C I 9T The view from the front reveals more than the view from the back. The old tail rotor crosshead bearings in your Huey and HueyCobra are no exception. The front side shows more of the ball bearings than the back side. If you don't know which is which the 2 bearings can be put together bas- ackwards. Put in that way you have maybe an hour or less flying time before the bearing set fails, followed by the tail rotor. The bird organizational maintenance pub tells you to put the bearings to- gether back-to-back, see? As an additional guide the bearings are etched to form a "V" when they're back-to-back. A look at the part num- bers will also clue you which bearing set is being used. If you're lucky enough to have the new crosshead bearing, P/N 204-011- 769-1, FSN 3110-135-0563, there's no chance of a mixup. This baby has a double row, inner PUT THE BEARINGS IN BACK TO BACK FRONT BACK race with a single outer race. Both sides are the same so there's no front and back... no "V" etch needed. Just put the 2-piece bearing set to- gether and you're in the tail rotor as- sembly business. 55