JJ-CCR counter lung tool

Tool for servicing the JJ-rebreather counter lungs. WIth this tool you can hold the inner part easily in place instead of trying to grab it through the counter lung. Print one of "JJ-CCR_T-piece_tool_1.stl" and two of "JJ-CCR_T-piece_tool_2.stl". Add two hex socked head screws to JJ-CCR_T-piece_tool_2.stl pieces. Scew size M3 10-15mm length. Head diameter is only 4.9mm which is smaller than usual. If you can not find such size then you can also print the file "JJ-CCR_T-piece_tool 2_2.5mm_screw.stl". That file fits M2.5 screws which have a head size of about 4.5mm. Tested with a pre-CE model analog JJ-CCR. When using the tool insert the two pieces into the counter lung coupling. Align the screw heads to holes. Then insert the single piece. It keeps the two pieces in place. Use together with this spanner https://www.thingiverse.com/thing:7334112