Accucraft 4-4-0 and LGB R3 switches

My Accucraft 4-4-0 has some problems with LGB R3 switches ( I know, I should run this engine on 100+ foot radius, but this loco will be the passenger hauling equipment on the level parts of my logging line). The guard rail of the switch rises barely to rail height and the "catch" angle is pretty steep. As a result the front truck tends to climb the guard rail and some railroad Esperanto follows. Has anyone solved this problem with as little pain as possible? Of course I can remove the guard rail and replace it with some angle or strip. But I would prefer a solution where I don't have to take all the switches out. Gluing a higher strip behind the guard rail does not seem an option either, as the plastic does not adhere to any glue and this solution might also cause problems with the flanges. Any ideas?
Regards