The other thing to keep in mind is that Instincts can and should be played against the player, so while they have a Macro to protect themselves from traps it also means that when there is a time constraint they are going to want to check for traps and this can and should create issues for them. As a Burning Wheel GM make sure that you pit the player against their BITs as often as possible.
I would play the LiR rules against that trap, treating each trap as a different encounter or NPC. That way if they come across a bladed pendulum trap that resets once they succeed on that test they can pass by that trap each time and don’t have to worry about it.
I do second the statement though that maybe Torchbearer would be a better fit for a dungeon crawl adventure, as long as you are having fun though who am I to tell you what to do. :-p