OM131
55
P1939-OM-131 R11
Chapter 4
4.2.4
Annual maintenance schedule
1.
Visual inspection and testing of gas cylinders and HP pipework (See Section 4.3.4.1 for
details).
2.
Strip down and service of two stage regulator (See Section 4.3.4.2 for details).
3.
Strip down and service of single stage regulator (See Section 4.3.4.3 for details).
4.
Strip down and service of demand regulator (See Section 4.3.4.4 for details).
5.
Perform six monthly maintenance (see above).
4.3 P
REVENTATIVE
MAINTENANCE
PROCEDURES
Non-conformance with any of the following procedures should be fully investigated (See Section 4.4
of this Manual for guidance on fault finding).
4.3.1
Weekly maintenance procedures
4.3.1.1 Cleaning
1.
Wash the actuation cable assembly, counterlung enclosures and cable sleeves with fresh
water to remove any build up of grit or silt etc.
2.
Immerse the overpressure indicator in a cup of warm freshwater for a time to dissolve any
build up of salt crystals.
4.3.1.2 Visual
inspection
1.
Inspect the main housing, which is shown in Fig 4.1, for damage or wear. Replace any
damaged or worn components as necessary.
2.
Inspect the hoses for damage or wear, and replace any damaged or worn components as
necessary.
3.
Inspect the harness and counterlungs, shown in Fig 4.2, for damage or wear. Replace any
damaged or worn components as necessary.
Summary of Contents for Divex SLS Mk IV
Page 2: ...Intentionally Blank...
Page 4: ...ii OM131 Approval Sheet P1939 OM 131 R11 Intentionally Blank...
Page 6: ...iv OM131 Preface P1939 OM 131 R11 Intentionally Blank...
Page 8: ...vi OM131 List of Abbreviations P1939 OM 131 R11 Intentionally Blank...
Page 10: ...viii OM131 Warnings P1939 OM 131 R11 Intentionally Blank...
Page 12: ...x OM131 Table of Contents P1939 OM 131 R11 Intentionally Blank...
Page 15: ...OM131 3 P1939 OM 131 R11 Chapter 1 Fig 1 1 SLS System Mk IV...
Page 16: ...4 OM131 Chapter 1 P1939 OM 131 R11 Fig 1 2 SLS system layout...
Page 32: ...20 OM131 Chapter 2 P1939 OM 131 R11 Fig 2 4 Two stage regulator Fig 2 5 Spool valve...
Page 42: ...30 OM131 Chapter 2 P1939 OM 131 R11 Intentionally Blank...
Page 53: ...OM131 41 P1939 OM 131 R11 Chapter 3 Fig 3 3 Hose Lanyards...
Page 54: ...42 OM131 Chapter 3 P1939 OM 131 R11 Fig 3 4 SLS System Mk IV Rear View...
Page 55: ...OM131 43 P1939 OM 131 R11 Chapter 3 Fig 3 5 SLS System Mk IV Front View...
Page 64: ...52 OM131 Chapter 3 P1939 OM 131 R11 Intentionally Blank...
Page 82: ...70 OM131 Chapter 4 P1939 OM 131 R11 Fig 4 7 Annual Maintenance Two Stage Regulator...
Page 86: ...74 OM131 Chapter 4 P1939 OM 131 R11 Fig 4 8 Annual Maintenance Single Stage Regulator...
Page 109: ...OM131 97 P1939 OM 131 R11 Chapter 5 Fig 5 2 Backpack Assembly Drawing P1939229S1...
Page 111: ...OM131 99 P1939 OM 131 R11 Chapter 5 Fig 5 4 Scrubber Housing Assembly Drawing P1939131S1...
Page 118: ...106 OM131 Chapter 5 P1939 OM 131 R11 Fig 5 9 SLS System Mk IV Gas Schematic Drawing P193940S1...
Page 123: ...OM131 111 P1939 OM 131 R11 Chapter 5 Fig 5 14 SLS System Mk IV Bottle Assembly...