JFD Divex SLS Mk IV, Operation And Maintenance Manual

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46 OM131
Chapter 3 P1939-OM-131 R11
3.4 P
OST
-
DIVE PROCEDURES
3.4.1 Post-dive check list (Normal operations)
1. Check the SLS System contents gauge. Recharge the cylinders if any loss of gas is indicated.
Check also against Table 1.1, page 12 or Table 3.2 or SLS System duration at working
depths to ascertain if charging is required.
N
OTE
The backpack must be removed from the dive complex in order to recharge the cylinders.
2. Remove the outer side door.
3. Remove the inner door and extract the CO
2
scrubber canister (section 3.1.2). Check for the
presence of moisture.
4. Replace the CO
2
scrubber canister if the sodalime is damp or if the SLS System has been
actuated and used. The scrubber canister must be replaced or refilled after 24 hours in the
SLS System (section 3.1.3).
5. Replace the CO
2
scrubber canister into the backpack (section 3.1.2).
6. Replace and secure the outer door.
7. Check the packaging of the counterlungs and wash the actuation cable assembly,
counterlung enclosures and cable sleeves with fresh water as necessary.
8. Stow the SLS System ready for the next dive.
3.4.2 Post-dive check list (After SLS system activation)
1. Remove the SLS System backpack from the dive complex.
2. If necessary, fully discharge the gas cylinders (section 3.4.3).
3. Remove the outer side door.
4. Remove the CO
2
scrubber door and extract the CO
2
scrubber canister (section 3.1.2). Check
inside for water.
5. Remove the CO
2
scrubber lift mechanism by pressing down on the centre and sliding it
towards the door opening to release it from the locating feature in the penetrators.
6. Remove the sponge pad (Fig 3.7, Item 5) and rinse with freshwater. Squeeze out any surplus
water before installation. If the sponge material is too dry, it is very slow to absorb water.
7. Remove the thermal regenerator (Fig 3.7, Item 1) by releasing the wing nut.
8. Clean the gas space above the thermal regenerator.
9. Remove the counterlungs and the counterlung hoses from the backpack. Wash everything in
warm, soapy water, then rinse and allow to dry.
10. Re-install the thermal regenerator (Fig 3.7, Item 1) and secure it in place with the wing nut.