MAINTENANCE MINUTE
By Scott Skola
One item that used to perplex me was reinstalling the K-FLEX form the new thicker rotorbrake (R/B) disc up front, it became a little tighter getting the shaft to drop in.
However, when Bell increased the size of the transmission persuasion. That was until a fellow wrench, Kevin H., showed me the light. This tip is directed at the latter K-FLEX installation.
First, be sure to use the correct K-FLEX compression tools. Install the forward and aft compression tools per the as noted.
Second, do not install the R/B disc on the free wheel unit
it a try. This can be done from either side of the aircraft, but up, on the transmission deck.
Cradle the R/B disc in one hand, lifting it up toward the engine compressor housing. The important thing is to position the top
The idea is to get the R/B disc up at an angle so it sits a
Now grab the K-FLEX shaft in the other hand and place the (green portion) on the R/B disc. Position the shaft at about a
miraculously drop in when you lower the transmission side of up.
Jiggle the disc around while repeatedly stabbing the engine side of the shaft and lowering the transmission side. Sometimes engine oil lines, especially the #1 bearing scavenge line, will limit the vertical height you can lift the disc. Sometimes the
in various capacities, Scott Skola concluded a full-time line providing maintenance oversight, litigation support, and technical research services. He can be contacted at
22
Mar/Apr 2018
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