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[CBQ] 4-6-2 side rod repair

To: CBQ@yahoogroups.com
Subject: [CBQ] 4-6-2 side rod repair
From: jeralbin@aol.com
Date: Sun, 15 Oct 2006 15:36:07 EDT
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    Need help! How to find a replacement side-rod for an LMB 4-6-2 (S2)?
Engine is fine, ready to run, but sits in the shop with a worn-out
side-rod.
Hoping there's a railroader out there who can tell me what I should do.
Dale 

 Dale: You may be able to repair the side rod if all that is wrong is the 
crank pin holes are wallowed out. Bore or ream out the worn holes to the 
diameter 
of the smallest brass washer that will fit the new hole. Layer or stack the 
washers in the hole, don't worry if the washer stack is thicker than the side 
rod. Make sure all is clean and flux and solder the washer stack to the side 
rod using silver bearing solder. This whole process should aim to maintain the 
same crank pin center to center distance on the side rod. That's the hard part. 
If you don't do that, driver quartering becomes a problem. Continuing on, 
drill new clearance holes for the crank pins in the washer stack and file the 
stack to the final thickness of the side rod. Upon assembly, lubricate the 
crank 
pin screws/side rod holes with a light molybdenum disulfide grease, like 
Moly-Kote. You can also use telescoping brass tubing segments to fill the new 
holes. Good luck.  Jerry Albin


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