I have a LeClerc counter balance 4-shaft 6 treadle loom with a 45" weaving width that was given to me. I can't get the shafts to stay even. They are set up so treadle 1 and 6 for plain weave. Treadles 2,3,4,5 are set up to handle shafts 1,2,3,4. Your suggestions are appreciated.