D&RGW L-96

[Schraddel]

Hello,

fixing a cracked gear P2K is a 10 minute job. Then it's done; thread finished.



This here is a job more to 10 hours. In a nutshell:

One of the issues with Key models are the way to loose horn cheeks. This loco was built by Samhongsa for Key Imports, but ony the Key Imports models had those issues. Other Samhongsa built locos for Sunset, Westside, VH, PFM, Oriental Limited, Hallmark and others didn't show up this issue.
Here in the photo the horn cheeks were narrowed by shimming with copper sheets of different thickness. It is a somewhat laborious task with quite a lot of try-and-error. In this case 7 of 8 horn cheeks had to be shimmed at the rear group of drivers.
And then the action has to be repeated with the front group of drivers.





Next to look for is the clearance between the crankpins of the first pair of drivers and the crosshead. Here a little imperfection in form of a flash is visible too. This will be removed.

That are only some of these little great killjoys which made a steam loco model running jerky.


Lutz