hi all , i found my self with a problem the other day , regards to a few cases on a lt pack struggling with temp, first of all i thought the akv is not opening correct , on two cases, then i tried to pump down the cases , but found gas still pissing out of vaive , even though nothing in suction , after so much messing around i decided to shut suction put case on defrost , to see if there was a blockage, no way liquid shut off was passing on two cases , then after a while suction flew up to 120 psi , and i opened it up and a way the gas went , , so i thought oil is stuck in cases, does anyone no best way to get oil out of the cases , as this took me so long , didnt want to go through all that messing around again , did think about turning pack off for a while , to increase, back pressure , but it was xmass, and tradding was important to the store , and to be fair didnt want to cause more issues at this point ???