• Prism Dive Number

  • Location
  • Conducted on

  • Diver

  • Buddy

1. Check H-Plate / Harness / BC for Wear, Damage or Missing Parts

  • A. H-Plate

  • B. Harness (W)

  • C. Fabric (W)

  • D. Inflator / Alt. Air Source (O)

  • E. Dump Valve(s) (O, W)

  • F. Removable Weight Pockets (W, I)

  • G. Fastening Clips (W)

2. Inspect Counterlungs

  • A. Fabric (W)

  • B. Drains (O)

  • C. Threaded DSV/BOV Assembly Rings (W)

  • D. Breathing Hoses, Oetiker Clamps,<br>+ O-Rings (W)

  • E. O2 Addition Valve (I, O)

  • F. Automatic Diluent Valve (ADV) (O)

  • G. Over-Pressure Valve (OPV) (O)

3. Inspect DSV/BOV Breathing Hoses

  • A. Hoses

  • B. Oetiker Clamps (W)

  • C. O-Rings (W)

  • D. Inhalation Hose Mushroom Valve<br>(only on inhale hose for DSV supplied systems)<br>(O, W)

4. Inspect DSV/BOV

  • A. Shut-Down/OC Assembly (O)

  • B. Water Drain (O)

  • C. Mouthpiece, Zip-Tie

  • D. DSV/BOV Exhalation Mushroom Valve (O,W)

  • E. Inhalation Hose Mushroom Valve (only on<br>inhale side of BOV) (O, W)

5. Inspect Regulators + Hoses

  • A. 1st Stages (W)

  • B. Pressure Relief Valves

  • C. LP Hoses + Connectors (W)

  • D. HP Hoses + Connectors (W)

  • E. Diver Installed Gas Supply Hoses<br>(if installed)

  • F. Pressure Gauges

6. Inspect Wiring

  • A. Heads Up Display (W)

  • B. Wrist Display (W)

7. Battery Compartment, Batteries + O-Rings

  • A. Solenoid Batteries (I)

  • B. Heads Up Display Battery (I)

  • C. O-Rings (2) (W)

  • D. Cover, Cover Latches + Keepers (O,W)

8. Solenoid Operation

  • Solenoid Operation (O)(If proceeding<br>immediately to assembly and operational<br>checks, you can skip this step.)

9. Inspect Head Assembly

  • A. Red CO2 Seal (I, W)

  • B. Head To Bucket O-Rings (2) (W)

  • C. O-Ring Seats (W)

  • D. Latch Keeper (W)

  • E. Nut Bars, Head Bolts, Head Cover Bar +<br>Head Cover (W, I)

10. Oxygen Sensors

  • A. 3 Oxygen Sensors + Sensor Holders Installed (I)<br>

  • B. Oxygen Sensor Wiring Harness (I)

  • C. mV Readings Within Range(O)<br>(8.5 mV to 14 mV in air)

11. Bucket Assembly

  • C. 1 Moisture Pad (I)

  • B. Latches (3) (W, O)

  • A. Basket Compression Spring + Pad(I)

12. Basket Assembly

  • D. Top + Bottom Foam Pads (I)

  • B. Center Tube O-Ring (I)

  • C. Top + Basket Threads Clean (O)

  • A. Check Mesh (W)

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