Abstract: A tool for mounting a bearing and shaft subassembly in an aircraft engine component, including a rod extending from a first end to a second end and adapted to extend through a hollowed shaft, the rod having a shaft seating portion at the first end adapted to engage a first end of the shaft. A holder is engageable to the second rod end to receive a second end of the shaft. The holder is displaceable towards the shaft seating portion during engagement to the second rod end. At least one sleeve is adapted to wrap about a shaft outer surface, removably securable to the shaft, and having an end defining a bearing facing surface to axially engage the bearing. The holder is displaceable towards that surface to axially load the bearing against the sleeve and maintain the shaft between the holder and the shaft seating portion.

Abstract: A tool for mounting a bearing and shaft subassembly in an aircraft engine component, including a rod extending from a first end to a second end and adapted to extend through a hollowed shaft, the rod having a shaft seating portion at the first end adapted to engage a first end of the shaft. A holder is engageable to the second rod end to receive a second end of the shaft. The holder is displaceable towards the shaft seating portion during engagement to the second rod end. At least one sleeve is adapted to wrap about a shaft outer surface, removably securable to the shaft, and having an end defining a bearing facing surface to axially engage the bearing. The holder is displaceable towards that surface to axially load the bearing against the sleeve and maintain the shaft between the holder and the shaft seating portion.

Abstract: A medium for a scintillation assay includes a fluorescent Coumarin dye, typically having a Stokes shift of at least 50 nm and a fluorescence in the range of 460-500 nm. The composition may further include secondary scintillator materials which as PPO, DPA, bis-MSB, BiBuQ, and the like. The scintillator medium may be a liquid medium or a solid medium. Also disclosed is an assay utilizing the material of the present invention, as well as a specifically solid-state scintillator medium incorporating Coumarin 153 and BiBuQ.