Lever Height Setting Tool for Apeks TX Second Stages

This tool, made out of Acetal, is used to verify the lever height during the final set-up of Apeks TX 20, 40 and 50 second stages. Engraved on the flat side is the letter TX for identification of the tool. The tool - gauge - has 2 sides. Inside the recesses at the top and bottom of the gauge you will see the letter F (Flow) or N (No flow; this side also has a small groove machined in the body to make the distinction more apparent) stamped. By connecting the second stage to the in-line adjuster (if available) or LP hose and pressurizing it, the technician is required to place each of the side of the gauge squarely on the purge button and depressing it. Starting with the no flow (N) side, it should not initiate a flow. However, if a flow in initiated the lever height is set too high and needs to be adjusted accordingly and re-checked with the gauge. If the gauge doesn't initiate a flow, proceed to the flow (F) side. This should initiate a flow. If a flow is not initiated, the lever is se