@David Johnston posted:With lots of time on my hands since I am home all the time, I took on another 227 project. As stout and reliable as these locos are, after 80 years of service they do need a little work. My current project is typical of these locos with the stub shafts that the idler gears run on having come loose in the frame. This results in the idler gear teeth hitting, and sometime locking on the gauge side corner of the blind driver tread. This is made worse by wear on the shaft journal and bore of the gear.
On this particular locomotive I have pulled the end drivers and partially removed to center driver to get the gears off. With the gears off the stub shafts can be knocked out from the back side. In measuring the stub shafts I found the journal only 0.0005” under sized, so I rescued them. They were reinstalled with Loctite 640 sleeve retaining adhesive. While the 640 hardens I am cleaning up the motor. Tomorrow I will put the rest of the wheels and axles back on.
So did this thing have ANY rust or corrosion on it when you started? And if so, that's an awesome cleanup you did. If not, it's still an awesome cleanup!
For you to know that the stub shaft was 0.005" undersized, you must have the engineering drawing for this piece, right? Had it been worse, what material would you choose to replace it with?
That restoration just looks like fun!
George
