TM  5-4220-231-14&P OPERATION PROCEDURES (OP)    FOR   DIVING   OPERATIONS OPERATOR CHECKLIST OP   2  -   (Cont.) DATE 1-1- STARTTIME END   TIME OPERATOR1 OPERATOR 2 LOCATION STEP ITEM I LOCATION I ACTION PERFORMED CHECKED _IBY BY ENABLE  THE  WASS    OP  2.4  (Cont.) 2.4.8 ALP-V411 DACC   Control Open   CCW   - and Panel Charges     VTA. ALP-V412 2.4.9 ALP-G423 DACC   Control Compare with  VTA  ALP-G510:   Panel- Record    Pressure: Center PSIG. 2.4.10 AHP-V401 DACC   Control Close   CW  - Panel- Arrow  points   closed. Secondary 2.4.11 ALP-V413 DACC   Rear Open   CCW  to  bleed   air  from Panel DACC  and   then   close. 2.4.12 AHP-V407 DACC   Control Open   CCW  - Panel- Arrow  points   open. Primary 2.4.13 ALP-V408 DACC   Control Open   CCW  - Panel- Arrow  points   open. Primary 2.4.14 AHP-V405 DACC   Control Slowly  open   CCW  - Panel- Arrow  points   open. Primary 2.4.15 AHP-G419 5ACC   Control Read   and   record    pressure: Panel- should   be  the  same    as  primary Primary DASS   AHP-G211 .   Record Pressure PSIG. NOTE Supervisor: Calculate air   requirements for  planned diving   operations. If primary    DASS   rack   pressure is  not  sufficient, complete OP   9  at   this   time. 2.4.16 AHP-V406 DACC   Control Adjust   to  desired over   bottom Panel    - pressure. Record    pressure Primary from  DACC   ALP-G420. Record Pressure PSIG. 2.4.17 ALP-G423 DACC   Control Compare with   VTA ALP-G51 0: Panel   - Pressure readings should be Center the   same. Record    Pressure: PSIG. Conducted By: Rank: Date/Time Verified   By: Rank: Date/Tme Supervisor: Rank: Date/Time 2-50 Change 6