TM 5-4220-225-142-17. Turnaround Procedures. Table 2-6 provides steps to ensure safe and timely performance of turnaroundprocedures between dives.Table 2-6. Doffing Procedures.StepProcedureThis procedure assumes that the next diver has only to don the helmet tocomplete dressing.1.DIVER ROTATIONa. Tend the diver carefully as he comes up and over andseat him on thediver's bench.b. Release the umbilical spinnaker type shackle and both helmet lockingpins.c. Remove the helmet and place it face down on a rubber mat.d. Determine the diver's condition and report to the dive supervisor.e. Determine if there has been any malfunction or damage incurredduring the dive. Adjust, repair, and replace components as necessary.f. Move the diver off the dive station to allow the next diver and tendersaccess to the bench andhelmet.2.HELMET CLEANINGa. Cleaning the helmet interior with an approved cleaning agent to guardagainst contamination from diver to diver, with special attention to thefollowing.(1)Chin button(2)Front viewport(3)Area surrounding the microphone(4)Air diffuser and ear clearing pad(5)Front helmet base interior3.HELMET PREPARATIONa. Check the breech ring preformed packing for dirt or grit. Clean andlubricate as needed.b. Check the locking pins for dirt or grit. Check for proper, free operation.Clean and lubricate as needed.c. Check the adjustable exhaust valve and air supply valve for smoothoperation through full range. Check the chin button for proper, freeoperation.d. Inspect the viewports for damage. Dry and apply defogger asnecessary.2-49
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