JFD Divex SLS Mk IV, Operation And Maintenance Manual

Page: 66 / 136

54 OM131
Chapter 4 P1939-OM-131 R11
4.1 S
TORAGE
Do not store under positive pressure, leave inner side door lightly closed.
Always manually check activation after storage and before issuing for diving.
4.2 M
AINTENANCE SCHEDULES
4.2.1 Weekly maintenance schedule
1. Clean (See Section 4.3.1.1 for details).
2. Visual Inspection (See Section 4.3.1.2 for details).
3. Check spool valve actuation (See Section 4.3.1.3 for details).
4. Check gas flow from single stage regulator (See Section 4.3.1.4 for details).
4.2.2 Monthly maintenance schedule
These checks must be carried out outwith the Dive system.
1. Perform weekly maintenance (see above).
2. Check scrubber door operation and sealing (See Section 4.3.2.2 for details).
3. Check scrubber canister seal (See Section 4.3.2.3 for details).
4. Check operation of two stage regulator (See Section 4.3.2.4 for details).
5. Check operation of single stage regulator (See Section 4.3.2.5 for details).
6. Check operation of demand regulator (See Section 4.3.2.6 for details).
7. Replace actuation cable wiper sleeves (See Section 4.3.2.7 for details).
8. Strip & Service the overpressure indicator (See Section 4.3.2.8 for details).
9. Perform leak test (See Section 4.3.2.9 for details).
4.2.3 Six monthly maintenance schedule
1. Perform monthly maintenance (see above).
2. Visual internal inspection of gas cylinders (See Section 4.3.3.2 for details).