Adhesive trapping: the evaporator leakage around the hole grinding, wiping, coated with acetone solution, to be volatile, in a small piece of glass or cardboard will be TC-311 type of adhesive B two plastic, according to 1
After curing at room temperature for 24 h, can be pressed to test, can not leak.
If the leakage hole is large, can cut a slightly larger than the leakage of aluminum, with fine sandpaper polished, wipe, coated with acetone solution, to be volatile, and then coated with adhesive attached to the leak.
Pickling welding method: first plug the evaporator leak, with fine sandpaper around the leak hole, wipe, drain a few drops of dilute hydrochloric acid solution around the leak, to be around the hole when the copper cover, with a cloth
