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The short question is whether anyone has attempted to use Locktite with plastic?I wanted to add ART wheels with power pickups to a Hartland working caboose.  I chose not to use the Hartland trucks because the ART axles are longer than the Hartland ones.  The ART wheels fit Bachmann trucks so I used Bachmann trucks but because the wheels were to close to the undercarriage I had to shim them with a washer.  Because this reduced the length of the screw in the plastic post, I used some Locktite to avoid the screw coming lose.After a few hours of running, both trucks fell off - the plastic posts broke.  To remove the screw from the broken off part of the post I had to grip the section of post with some pliers - gently.  The short section of post crumbled when attempting to get the screw out.Worth noting is I also lubed where the post goes through the hole in the truck - although I used lube that is supposed to be OK with plastic.On a related note, what techniques do folks use where screws aren't holding in plastic?  The best I've come up with is putting a piece of small diameter solder in the hole where the hole is too small to accommodate the old trick of using a broken off piece of toothpick.   Bob
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