TM 5-4220-225-14
Table 2-7. Postdive Procedures (Cont).
Step
Procedure
2.
EXHAUST VALVE
The dive supervisor shall determine the extent of the daily exhaust valve
inspection. If dive conditions were in turbid or polluted water, mission
postdive procedures for disassembly and cleaning should be implemented.
For normal diving operations, the following steps shall be performed to
prepare the exhaust valve for the next diving day.
a. Rinse the exhaust valve thoroughly with freshwater.
b. Wipe or blow dry exhaust valve.
c. Rotate valve handle. Motion should be firm, with slight resistance, and
operate smoothly throughout full range, approximately three turns.
d. Cycle the chin button assembly by depressing the chin button with
finger pressure. Motion should be smooth with spring pressure
increasing steadily. Upon releasing finger pressure, valve should shut
with spring tension.
e. Report any discrepancies to the dive supervisor.
3.
AIR SUPPLY VALVE
Check the valve handle motion. Motion should have some resistance but
CHECK
operate smoothly.
4.
COMMUNICATIONS
a. Disconnect communication whip from the umbilical cable. Check
WHIP AND CABLE
preformed packing and connections for damage; ensure that
CHECK
connections are clean and dry.
b. Place dust cover on communication whip and umbilical cable
connectors.
5.
UMBILICAL HOSE AND
a. Disconnect hose from air whip.
WHIP CHECK
b. Inspect air whip couplings and gaskets. Repair or replace as
necessary.
c. Install protective caps and plugs as required.
6.
GARMENT
a. Inspect the drysuit(s) for abrasions, cuts or tears. Repair as
PREPARATION
necessary.
b. Inspect the zipper for missing or misaligned teeth. Ensure the zipper
operates properly.
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