i have a Tyler Case L6F6 sn. N388356 WO 186720-1 date 5-98 I am using R 401a The compressor is KATA 015E TAC There is 2 TX valves in there I want to replace them. I lost a new compressor in 3 weeks. Locked rotor I can not read the TX valves. There are sporland. What valves goes in there. also the tech manual for that case Bill chagnon Chagnon Refrigeration 33 Dicsal Lane Holyoke, Ma. 01040 cell 413 531 9285