I need to replace the traction tires on my Cab Forward Stock 73-8071-250. The wheel with the traction tire is the one by the steam chest and the nut will not clear the push rods. On my other steamers the traction tires are on the rear wheels where it is easy to get to the nut and remove the side rods. Does anyone have any experience changing the traction tires on this particular locomotive?
David
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First, your cab forward #4294 is NOT an "AC-9", but an "AC-12".
Second, the ONLY way I have ever found for changing a traction tire on one of these cab forward models (or any of the other large articulated models) was to remove the side rods, which is NOT an easy job. Thus, I began using "BullFrog Snot", instead of those darned traction tires.
Hot Water posted:First, your cab forward #4294 is NOT an "AC-9", but an "AC-12".
Second, the ONLY way I have ever found for changing a traction tire on one of these cab forward models (or any of the other large articulated models) was to remove the side rods, which is NOT an easy job. Thus, I began using "BullFrog Snot", instead of those darned traction tires.
Your right Hot Water. The AC-9 is a 2-8-8-4 not a 4-8-8-2 like the cab forward. Sometimes the AC-9 is referred to as a "backwards cab forward.
Thanks for the info that it isn't an AC-9. I would prefer not to use snot on the wheels though.
Once you figure out the procedure to remove and install a traction tire the other side will be fairly easy.
David: Please do a search here on the Forum; I had the same issue with my JLC Y-6B last November or so. I wrote up a "how to" article on the procedure with pictures. I believe your engine will dis-assemble just as the Y-6B for changing the traction tires behind the steam chest.
On my MTH AC-6, I removed the eccentric crank screw and pulled the drive rod out of the crosshead guides. Position the main rod screw in the empty space in the crosshead guide and remove the screw.
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