| Finishing the frame and mechanism. We have the side rod cranks, the side rods and the drive rods to install on the mechanism But there are several points to take extra care with for a smooth running unit |
| Follow the directions and put the cranks on the ends of each axle. These just press on. Be sure you get the same set on a side. There are two different sets. I prefer to touch a tiny dab of thin ACC (super glue) to the end of the axle after I've pressed the crank on. Not too much here or you'll glue the axle in it's journal. |
| Now you need to check each axle for easy rotation again. Be sure there is a tiny bit of play sideways. The crank tends to rub against the frame. |
| I had to file just a bit off of each journal face on the outside of the frame. You can see the raised portion in the picture, that I filed just a bit. If you don't do this the crank may not push on the axle all the way. This is important since the crank will nest and stay put if it doesn't rub the frame here. |
| Take a look at the rods and be sure that you remove all the flash. These need to be as smooth as you can make them. Also take a file to the back side of the main rods (as per the instructions) and be sure you have the back side of these rods smooth. It is a stamped part and that leaves the back side with an edge that can catch on the driver's edges. |
|
Now with the bottom plate installed be sure that the drivers all still turn freely. If there is
any stifness, then check to be sure each axle is completely down in it's journal.
Now press the little retainer caps on the end of each crank. |
| one last time ....inspect the side rods and drive rods and then make sure the little caps are on snug. Mount the motor and clip on some power. (the frame and the wire) Your mechanism should be hitch free and just as smooth as any other engine you can buy. |
|
OK.....The whole mechanism should be running just fine. The back of the rods and the crank drag on the frame were the
important things to make sure of here. Let me know how you did. If I can help, just drop me a line.
SteveHatch@railwayeng.com Good luck.....have fun......and let me know when to proceed. -Stephen Hatch WTA |