TM5-4220-231-14&P OPERATION PROCEDURES  (OP) FOR DIVINGOPERATIONS OPERATOR CHECKLISTOP 2 -  (Cont.) DATE START    TIME END   TIME OPERATOR1 OPERATOR 2 LOCATION STEP ITEM LOCATION ACTION PERFORMED CHECKED Y -[BY BY ENABLE   SECONDARY DASS    OP   2.3 2.3.1 AHP-V205 DASS     Rack Fully   open    CCW    - Turn   back    1/4   CW. 2.3.2 AHP-V201 DASS    Rack    - Slowly    open     fully   CCW    - Front    - Turn   Back    1/4   CW. AHP-V202 Flask    Valves AHP-V206 Rear    - Slowly    open    fully   CCW    - AHP-V207 Flask    Valves Turn    Back    1/4   CW. 2.3.3 AHP-V209 DASS     Rack Slowly    open    CCW    - Turn    back    1/4   CW   - Release pressure to   DACC Primary HP   IN. 2.3.4 AHP-G211 DASS     Rack Record Pressure: PSIG. ENABLE    THE   SDASS OP   2.4 2.4.1 ALP-V509 VTA   Control Open     CCW    - Panel Arrow   points     open. 2.4.2 AHP-V403 DACC    Control Open     CCW    - Panel    - Arrow    points     open. Secondary 2.4.3 ALP-V404 DACC    Control Open     CCW    - Panel     - Arrow    points     open. Secondary 2.4.4 ALP-V414 DACC    Control Open     CCW    - Panel     -   Center Arrow    points     open. 2.4.5 AHP-V401 DACC    Control Slowly    open     CCW    - Panel     - Arrow    points     open. Secondary 2.4.6 AHP-G421 DACC    Control Read     and    record pressure: Panel    - should     be   the   same as Secondary secondary DASS AHP-G211. Pressure PSIG. NOTE Supervisor: Calculate air  requirements for  planned diving    operations. o a s If sec ndary DASS r   ck   pressure is  not ufficient, complete OP   10   at  this   time. 2.4.7 AHP-V402 DACC Control Adjust    to   desired over    bottom Panel - pressure. Record pressure Secondary from    ALP-G422. Pressure PSIG. Change 6 2-49