Steve Campbell Elite Veteran Location: Baton Rouge, LA
| Those balls will wear out fairly quickly. Upgrading to metal ones is an excellent idea, all over the ship (blade grips, bellcranks, etc.). The Empire still lists the little tool that Kyosho made to easily do this, as well as the balls. But you're talking serious tedium there, bud... Hope you've got lots of patience. You'll need a #00 Phillips head screw driver for those tiny screws. Get a razor saw, too. That's the best tool to cut off the plastic balls with.
I have the SR swashplate, with all metal balls. I would not try replacing the plastic balls on the DX swash unless you know how to disassemble it.
Changing a main gear is no big deal. You've got to pull the mast up, but once that's done the old gear will pop right out of the frames. Swap the auto hub and pop the new one back in.
One very important thing to remember about Concepts is that when re-installing a main shaft, the four 3mm grub screws that secure the mast stopper (the ones that you can only access through the tiny hole in the upper right side of the frame) must be tightened in a 180 degree pattern to keep from mis-aligning the mast.
IOW, first tighten one until it just touches the mast. Turn the head 180 degrees and lightly tighten that one. Now turn the head 90 degrees, lightly tighten that one. Now turn the head 180 degrees, lightly tighten. Proceed back and forth in this pattern, tightening just a taste more each time, until all four screws are tight.
I would check your tail gears as well. No sense in taking any chances.
Steve |