Can the loose staple-end and bar-end truck frames been tightened or repaired in some manner?
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There are probably service tools to do this. I use CA (Super glue) on staple end trucks after degreasing with solvent. On bar end trucks I use a punch to increase the depth of the dimple on the sideframe which pushes it into a hole in the bolster.
Pete
As far as I know, there aren't any service tools specifically designed to tighten sideframes.
For the staple-end trucks, I think the issue would be coming up with an anvil to hold the truck in proper position while restaking the staple.
Bar end trucks have a slot in the sheet metal bolster. The sideframe is slipped onto the bolster, and the top of the casting is pressed down into that slot.
I've tightened just a few of these trucks by setting the sideframe on a metal block, and using a small punch to hit the top of the casting. This was done in the curved area, just above the slot.
It seems that bar end trucks don't loosen up anywhere near as often as staple end ones.
Norton's method of using CA glue is probably the way to go.
The problem trying to restaple the staple ends is not bending the bolster in the process. It would need to be an interesting jig. G
I never try to remove wheelsets from PW trucks, too hard to do it without damage. I've only run across a couple that were significantly loose, I just replace them, much easier. 
If everyone took the easy way we wouldn't need this forum...:-)
hello guys and gals.......
perhaps using J B weld? this stuff works great with metal.
the woman who loves toy trains
Tiffany
Thanks everyone, there are some great ideas here to try.
Don't know if it's appropriate for this task, but I'm another JB Weld fan. I guess if you use it inside out of sight it would work.
It is great stuff, that's for sure. I used it all the time. One favorite use is when people strip out screws in shells or switch housings. I can rebuild the post with JB Weld as good as new. For completely broken posts, I just run tape around the stub and fill the cylinder with JB Weld. It doesn't stick to the tape, so you peel it off and you have a nice new post.
