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OM131

85

P1939-OM-131 R11

Chapter 4

1. 

Ensure that the gas cylinders are empty by activating the SLS System and pressing down on
the demand valve diaphragm with the demand valve activating tool (Divex Part No. M2922)
from the Tool and Test Kit. 

2. 

Remove the plug (Fig 4.14, Item 1) taking care to avoid damaging the face of the plug
contacting the burst disc (Fig 4.14, Item 2).

N

OTES

(1) A new burst disc must be fitted every time the plug is removed.

(2) Inspect for burrs, sharp edges etc before replacing the burst disc.

3. 

Check the condition of the seat (Fig 4.14, Item 3).

4. 

Tighten the plug (Fig 4.14, Item 1) to the recommended torque setting of 6.78 Nm (5 lb-ft).

5. 

Charge the gas cylinders to 300 bar after re-assembly and leak test with Snoop (or
equivalent).

4.5.6 

Demand regulator body replacement

N

OTE

All normal maintenance can be carried out without having to remove the regulator body from the
SLS System. This should only be carried out if there has been damage to the body.

1. 

Release the wing nut and remove the thermal regenerator (Fig 3.7, Item 1).

2. 

Dismantle the regulator (section 4.3.4.4).

3. 

Using the duct spanner (Divex Part No. M2921B) unscrew the inner sleeve from the duct,
whilst holding the demand regulator until the demand regulator body (Table 4.1, Item 1)
comes off.

4. 

Replacement is the reverse of the above.

5. 

Lightly lubricate O-rings before re-assembly using an oxygen compatible lubricant (e.g.
Christo-lube fluorinated grease - Divex Part No SM034).

6. 

Check the operation of the demand regulator (section 4.3.2.6).

4.5.7 Harness 

replacement

1. 

Disconnect the counterlung hoses and inhale / exhale hoses from the Backpack.

2. 

Remove the counterlung enclosures complete with counterlungs.

3. 

Ensure that the gas cylinders are empty by activating the SLS System and pressing down on
the demand valve diaphragm with the demand valve activating tool (Divex Part No. M2922)
from the Tool and Test Kit. 

4. 

Remove the two stage regulator (section 4.3.4.2).

5. 

Remove the single stage regulator (section 4.3.4.3).

Summary of Contents for B44771

Page 1: ...Operation and Maintenance Manual for the Secondary Life Support SLS Mk IV System Backpack Part Number B44771 Document Number P1939 OM 131 Revision 11 ...

Page 2: ... Intentionally Blank ...

Page 3: ...ECN 16338 7 23 07 2014 Debbie Allan Vladimir Garzon Mark Summers ECN 16825 8 09 09 2014 Debbie Allan Alastair Naylor Scott Waddell ECN 16972 9 19 05 2015 Jurgina Lastakauskiene Fraser Young Alastair Naylor ECN 17875 10 06 07 2015 Molly Gray Alastair Naylor Steven Coull ECN 18241 11 14 12 2015 Jurgina Lastakauskiene Alastair Naylor Philip Black ECN 18839 Original Approvals Responsibility Name Posit...

Page 4: ...ii OM131 Approval Sheet P1939 OM 131 R11 Intentionally Blank ...

Page 5: ... in 1992 and the current and most advanced version in 1996 the SLS Mk IV The main areas of change in the Mk IV are a Improved serviceability with redesigned backpack housing and scrubber housing b Improved scrubber canister door sealing arrangement and strengthened door c A refillable scrubber canister with a screw on cap that is easier to fill d The incorporation of a positive pressure indicator ...

Page 6: ...iv OM131 Preface P1939 OM 131 R11 Intentionally Blank ...

Page 7: ...weight LH Left Hand lpm Litres per minute Lt Litre m Metre mbar Millibar mm Millimetre msw Metres seawater Mk Mark N Newton NPD Norwegian Petroleum Directorate NUTEC Norwegian Underwater Technology Centre O2 Oxygen psi Pounds per square inch RH Right Hand RMV Respiratory Minute Volume SI System International SLS Secondary Life Support US United States WG Water Gauge WOB Work of Breathing ...

Page 8: ...vi OM131 List of Abbreviations P1939 OM 131 R11 Intentionally Blank ...

Page 9: ...ing in the vicinity of the gas cylinders may cause an explosion 4 The system must be depressurised before disconnecting any part of the gas system 5 Due to the very high levels of energy stored within compressed gas it is potentially very dangerous Care must therefore be taken when charging the gas cylinders and safety goggles must be worn Ear defenders should also be worn 6 Care must be taken to ...

Page 10: ...viii OM131 Warnings P1939 OM 131 R11 Intentionally Blank ...

Page 11: ...9 OM 131 R11 Table of Contents TABLE OF CONTENTS Page Chapter 1 Introduction 1 Chapter 2 Technical Description 13 Chapter 3 Operating Information 31 Chapter 4 Maintenance Instruction 53 Chapter 5 Parts Catalogue 91 ...

Page 12: ...x OM131 Table of Contents P1939 OM 131 R11 Intentionally Blank ...

Page 13: ...TER 1 INTRODUCTION CONTENTS Page 1 1 Purpose of equipment 2 1 2 General description 2 1 3 Performance and Limitations 5 1 3 1 Work of breathing 5 1 3 2 Oxygen partial pressure endurance 5 1 3 3 Carbon dioxide scrubbing thermal performance 11 ...

Page 14: ...r canister and a thermal regenerator The main harness also contains the system counterlungs The gas injection system has three 3 heliox cylinders manifolded together with a charging point burst disc two stage regulator injection orifice single stage regulator demand regulator and a overpressure indicator The CO2 scrubber canister provides a chemical absorbent bed for the removal of the carbon diox...

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 17: ...o fully deplete its stored gas or the life of the CO2 scrubber canister The oxygen partial pressure within the System will vary depending on diver breathing rate This is illustrated in Fig 1 4 to Fig 1 12 for depths from 50 msw to 500 msw The System s cylinder duration can also be seen from these graphs but it should be noted that at shallow depths duration is limited by the life of the CO2 scrubb...

Page 18: ...6 OM131 Chapter 1 P1939 OM 131 R11 Fig 1 4 Partial pressure of oxygen at 50 msw Fig 1 5 Partial pressure of oxygen at 100 msw ...

Page 19: ...OM131 7 P1939 OM 131 R11 Chapter 1 Fig 1 6 Partial pressure of oxygen at 150 msw Fig 1 7 Partial pressure of oxygen at 200 msw ...

Page 20: ...8 OM131 Chapter 1 P1939 OM 131 R11 Fig 1 8 Partial pressure of oxygen 250 msw Fig 1 9 Partial pressure of oxygen at 300 msw ...

Page 21: ...OM131 9 P1939 OM 131 R11 Chapter 1 Fig 1 10 Partial pressure of oxygen at 350 msw Fig 1 11 Partial pressure of oxygen at 400 msw ...

Page 22: ...10 OM131 Chapter 1 P1939 OM 131 R11 Fig 1 12 Partial pressure of oxygen at 450 msw Fig 1 13 Partial pressure of oxygen at 500 msw ...

Page 23: ...may be seen that the SLS System maintains gas within primary breathing system specification for a period well in excess of the bottle endurance NOTE A constant supply of hot water to the hot water jacket significantly increases the duration and efficiency of the scrubber and should always be used Fig 1 14 SLS system carbon dioxide levels endurance of the SLS system The endurance of the SLS System ...

Page 24: ...ns 100 msw 300 bar max 30 mins 100 msw 250 bar 30 mins 100 msw 100 bar min 12 mins 150 msw 300 bar max 28 mins 150 msw 150 bar min 14 mins 200 msw 300 bar max 22 mins 200 msw 150 bar min 10 mins 250 msw 300 bar max 19 5 mins 250 msw 200 bar min 12 5 mins 300 msw 300 bar max 17 5 mins 300 msw 200 bar min 11 mins 350 msw 300 bar max 16 mins 350 msw 200 bar min 10 mins 400 msw 300 bar max 13 5 mins 4...

Page 25: ... 2 2 6 Penetrators 17 2 3 Gas Injection System 18 2 3 1 Gas cylinders and manifold 19 2 3 2 Charging point check valve 19 2 3 3 Burst disc assembly 19 2 3 4 Two stage regulator 19 2 3 5 Injection orifice 21 2 3 6 Single stage regulator 21 2 3 7 Demand regulator 22 2 3 8 Overpressure indicator 24 2 4 Harness and counterlungs 24 2 4 1 Harness 24 2 4 2 Counterlungs and enclosures 25 2 4 3 Actuation c...

Page 26: ...r obtains its gas from the diver s main umbilical via a connection on the Helmet sideblock assembly The overpressure valve ensures that this pressure can never exceed 172 mbar 2 5 psi above ambient pressure Visual indication of this overpressure is provided by means of the overpressure indicator which changes from green to red if a significant loss of pressure occurs NOTE The overpressure within t...

Page 27: ... in its semi closed circuit mode There are three gas cylinders each of 1 18 litres water capacity which together provide 1060 litres of gas when charged to 300 bar See Chapter 3 for complete details of required gas mixes charging pressures etc The SLS System Mk IV is deliberately weighted slightly negatively buoyant because most divers find that with a hot water suit a small mount of extra weight ...

Page 28: ...bly Item Description Item Description 1 Backpack Housing Moulding 9 Gas Cylinder Manifold 2 Relief Valve 10 Canister Lift Mechanism 3 Lid Screw Assembly 11 Penetrators 4 Two Stage Regulator 12 Thermal Regenerator Assembly 5 Protection Cap 13 Housing Side Door 6 Single Stage Regulator 14 Sealing Washer 7 Gas Cylinder Retainer 15 Demand Valve 8 Refillable Sodalime Canister ...

Page 29: ...nd absorb the CO2 NOTE Failure to connect this water supply could result in a hazard to the user if the SLS System is required 2 2 4 CO2 scrubber canister lift mechanism The CO2 scrubber canister lift mechanism Fig 2 2 Item 10 is secured to the penetrators Fig 2 2 Item 11 This lifts the CO2 scrubber canister Fig 2 2 Item 8 and presses it against a gasket creating the loading necessary to effect a ...

Page 30: ...TION SYSTEM Fig 2 3 Gas injection system Item Description 1 Gas Cylinders and Manifold 2 Bottle Bracket Assembly 3 Two Stage Regulator 4 Single Stage Regulator 5 Demand Regulator c w Protection Cap 6 Charging Point Check Valve 7 Overpressure Indicator ...

Page 31: ...ctioning correctly when the SLS System is in its stand by mode 2 3 1 Gas cylinders and manifold SLS System enriched gas heliox is stored in three 1 18 litre cylinders at 300 bar maximum charging pressure Each bottle is fitted internally with a sintered filter dip tube assembly This is fitted to prevent any internal corrosion within the cylinders from entering the pipework and potentially blocking ...

Page 32: ...20 OM131 Chapter 2 P1939 OM 131 R11 Fig 2 4 Two stage regulator Fig 2 5 Spool valve ...

Page 33: ...iaphragm type The pin Fig 2 4 Item 16 is held off the seat Fig 2 4 Item 13 by the diaphragm Fig 2 4 Item 31 and the support plate Fig 2 4 Item 11 under the action of the spring Fig 2 4 Item 19 As the pressure in the space to the right of the diaphragm increases the diaphragm and hence the pin moves to the left sealing off the seat fully at the pre set outlet pressure The outlet pressure is adjuste...

Page 34: ...ambient pressure within the SLS System The valve pin Fig 2 7 Item 8 is held off the valve seat Fig 2 7 Item 7 by the diaphragm Fig 2 7 Item 20 and the support plate Fig 2 7 Item 4 under the action of the spring Fig 2 7 Item 14 As the pressure in the space to the right of the diaphragm increases the diaphragm and hence the valve pin moves to the left sealing off the valve seat fully at the set outl...

Page 35: ...tendant that the positive pressure system is functioning whilst in the stand by mode this is an additional confirmation to the overpressure indicator H P gas enters the demand regulator through the banjo fitting Fig 2 8 Item 6 The valve pin Fig 2 8 Item 19 is pressure balanced since gas supply pressure acts on the pin at the O ring Fig 2 8 Item 15 and over the same area at the valve seat Fig 2 8 I...

Page 36: ...stem whilst it is in stand by mode The indicator consists of a red to green colour change Rotowink pressure indicator installed in a robust metal housing This housing is allowed to flood in order to reference the ambient water pressure A fine mesh screen fitted to prevent the ingress of dirt protects the sensitive internal parts NOTE There are two versions of overpressure indicator in service deno...

Page 37: ...rm a compact protection sleeve over the diver s shoulders When the actuation handle Fig 2 10 Item 7 is pulled the counterlung enclosures open up and permit the counterlungs to deploy 2 4 3 Actuation cable assembly The actuation cable assembly is shown in Fig 2 10 Pulling this cable is one of the actions required to transfer the SLS System from its stand by to operational mode The actuation cable i...

Page 38: ...romise the actuation of the SLS System Fig 2 10 Actuation cable assembly Part No C2937 Item Description Part No 1 Counterlung Cable Assy Short DM3572 2 Regulator Actuation Cable Assy DM3571 3 Counterlung Cable Assy Long DM3573 4 Actuation Handle Cable Holder D3273 5 Actuation Handle Sleeve D3274 6 Screw FB312 7 Actuation Handle DM3574 8 Handle Retention Strap D34901 ...

Page 39: ...System Backpack hose connections to the Helmet are shown in Fig 2 11 Fig 2 11 Hose Connections and Interfaces Item Description Part No 1 Single Stage Regulator Hose D2751 2 Inhale Exhale Hoses C28700 3 Counterlung Hose each C3253A 4 Hot Water Shroud Hose Kit CB156 5 O Ring RN028 7 ...

Page 40: ... System 1 Divex Part No D2665 is the standard splitter used for operations between 50 and 450 msw with or without the helmet demand regulator heating shroud 2 Divex Part No D2664 is used for extreme deep diving operations 450 msw NOTE Prior to June 2004 Splitter block assy D2665 covered the depth range 50 200msw while D2664 was specified for operational depths of 200 to 450 msw The requirements fo...

Page 41: ...ent hot water is supplied from the vessel supply NPD requirements state 30 lpm shall be provided at the diver s hot water connection 2 CO2 Scrubber Heating SLS Mk IV The flow from the splitter block to the primary gas heater shroud is first passed through an outer annulus surrounding SLS System s CO2 scrubber canister No additional hot water is required for the SLS System With the CO2 scrubber pre...

Page 42: ...30 OM131 Chapter 2 P1939 OM 131 R11 Intentionally Blank ...

Page 43: ...edures Bell checks 40 3 3 Operational procedures 44 3 3 1 Actuation 44 3 3 2 Equipment lock transfer procedures 45 3 3 3 Compression Lock in procedure for the CO2 scrubber canister 45 3 4 Post dive procedures 46 3 4 1 Post dive check list Normal operations 46 3 4 2 Post dive check list After SLS system activation 46 3 4 3 Discharging the gas cylinders 48 3 4 4 Reloading the actuation cable assembl...

Page 44: ... empty before filling and that the correct gas mix is used for the diving depth Failure to do this could result in an extreme hazard to the diver The following table provides the limits of the gas mixtures which should be used within the cylinders of the SLS System at various diving depths See the example overleaf for an explanation of its use ...

Page 45: ...0 13 4 24 340 5 75 6 9 90 12 4 21 9 350 5 6 6 8 100 11 6 20 360 5 55 6 6 110 11 0 18 4 370 5 4 6 4 120 10 5 17 0 380 5 3 6 3 130 10 2 15 9 390 5 2 6 15 140 9 8 15 0 400 5 1 6 0 150 9 5 14 0 410 5 0 5 9 160 9 1 13 2 420 4 95 5 8 170 8 8 12 5 430 4 9 5 7 180 8 4 11 9 440 4 8 5 6 190 8 2 11 4 450 4 7 5 5 200 8 0 11 0 460 4 65 5 4 210 7 8 10 4 470 4 6 5 3 220 7 6 10 0 480 4 5 5 2 230 7 3 9 7 490 4 4 5...

Page 46: ...working depth From the Table 3 1 a At 190 msw a heliox mix containing between 8 2 and 11 4 oxygen should be used within the SLS System b If a 9 70 heliox mix is available on board the vessel c Check that this heliox mix will be acceptable for the complete working depth range including a safety factor to allow excursions outside the basic depth range From the Table 3 1 a This mix will allow the div...

Page 47: ... 3 1 Item 1 2 Ensure that the spool valve Fig 3 1 Item 2 is set in the stand by position and the actuation cable bullet is visible if the actuation cable is installed 3 Identify the charging fitting Fig 3 1 Item 3 on the left hand bottle end fitting the fitting s thread is No 4JIC 4 Remove the blanking cap from the fitting 5 Connect securely to a gas supply the mixture corresponding to Fig 3 1 ...

Page 48: ...S 1 When charging the SLS System using enriched oxygen mixes mixes containing greater than 21 oxygen the gas booster should not be required These gases should be decanted directly into the SLS System The required charging pressures are given on the Table 3 2 2 After carrying out shallow training dives with the SLS System care must be taken to ensure that the O2 rich mixture used is fully vented fr...

Page 49: ...t bell environment The sodalime should always be changed after any SLS System actuation Depth Charging Pressure Duration 50 msw 300 bar max 30 mins 50 msw 175 bar 30 mins 50 msw 100 bar min 17 mins 100 msw 300 bar max 30 mins 100 msw 250 bar 30 mins 100 msw 100 bar min 12 mins 150 msw 300 bar max 28 mins 150 msw 150 bar min 14 mins 200 msw 300 bar max 22 mins 200 msw 150 bar min 10 mins 250 msw 30...

Page 50: ...g 3 2 Item 3 5 Insert a freshly charged scrubber canister into the scrubber housing 6 Push the scrubber lift mechanism Fig 3 2 Item 4 inwards until it locks over centre 7 Replace the scrubber door Fig 3 2 Item 2 as follows With the tommy bar canted over to one side the scrubber door should be installed into the scrubber housing a The tommy bar should then be rotated into the vertical position b Th...

Page 51: ...as conducted using 797 grade sodalime self indicating Divex Order Code CM007 The system has been specifically designed to use this high efficiency product Use of alternatives could seriously compromise the system s performance 2 Care should be taken at all times to avoid getting the CO2 scrubber canister wet 1 Remove the scrubber canister from the SLS System section 3 1 2 2 Remove the screw cap th...

Page 52: ...inely replaced with a refilled canister after 24 hours in the SLS System 8 Replace the CO2 scrubber door ensuring that it is correctly sealed Replace the outer side door 9 Ensure that the SLS System mouthpiece is stowed correctly within the helmet interface 10 Check that gauge and overpressure indicator hose lanyards are secured to harness see Fig 3 3 for details 11 Ensure that gas is available at...

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 56: ...g 3 6 It is shown as rigged for operational use and may be actuated in the event of 1 Loss of primary gas supply 2 Contamination or other problem with the primary gas supply 3 Loss of primary gas heating 4 Incorrect gas mix connected to primary gas supply 5 Loss of helmet integrity e g flooding 6 Other situation requiring that the diver resort to his bailout procedure ...

Page 57: ...m in or out of a chamber complex or prior to compression de compression of a diving bell chamber with the SLS System inside Disconnection must be carried out to prevent external compression which could result in damage to the SLS System Gas cylinders should be charged prior to compression of the backpack to prevent the possibility that external pressure could be applied to the cylinders and pipewo...

Page 58: ... 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 CO2 scrubber door and extract the CO2 scrubber canister se...

Page 59: ...ft mechanism 13 Reload the actuation cable assembly section 3 4 4 14 Recharge the cylinders with the appropriate heliox gas mix for the diving depth section 3 1 1 15 Install a refilled scrubber canister and check the door seal section 3 1 2 and section 3 1 3 16 Replace and secure the outer door 17 The backpack is now ready for further use ...

Page 60: ...follows 1 Actuate the SLS System by pulling the rip cord to discharge the gas cylinders The time required to complete this task maybe reduced by pressing down onto the demand valve diaphragm with the demand valve activating tool Divex part no M2922 from the Tool and Test Kit Item Description Part No 1 Thermal Regenerator D2498C 2 Gasket D2477C 3 RH Regenerator Housing D2474E 4 LH Regenerator Housi...

Page 61: ...le to lie naturally against the block at the entry point to the cable sleeve 4 Push the cables fully home until the handle is against the block on the cable sleeve thereafter press the Velcro pads on the harness together to retain the handle 5 Reset the spool valve on the two stage regulator section 3 4 5 6 Repack the counterlungs using the two actuation cable tails protruding from the actuation s...

Page 62: ...dure of Counterlungs 3 4 5 Reloading the spool valve To reload the spool valve proceed as follows 1 Actuate spool valve by pushing on the pull ring Fig 3 9 stages 1 and 2 2 Re thread the actuation cable into the armoured sheathing Fig 3 9 stage 2 1 2 3 4 5 6 ...

Page 63: ...bullet located further along the cable limits the travel and prevents the cable from projecting beyond the spool valve 3 Ensure end of the bullet on the cable can be seen through the hole in the end of the spool Fig 3 9 stage 3 4 Pull the spool to the stand by position Fig 3 9 stage 4 ...

Page 64: ...52 OM131 Chapter 3 P1939 OM 131 R11 Intentionally Blank ...

Page 65: ...s 62 4 3 2 8 Strip and service the overpressure indicator 62 4 3 2 9 Perform Leak Test 65 4 3 3 Six monthly maintenance procedures 65 4 3 3 1 Perform monthly maintenance 65 4 3 3 2 Visual inspection of gas cylinders 65 4 3 4 Annual maintenance procedures 67 4 3 4 1 Visual inspection and testing of gas cylinders and HP pipework 67 4 3 4 2 Strip down and service of two stage regulator 67 4 3 4 3 Str...

Page 66: ...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...

Page 67: ...lly 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...

Page 68: ...ng D294 2 Relief Valve VR300 3 Lid Screw Assembly C2606D 4 Two Stage Regulator CA2602 5 Demand Regulator inc Protective Cover D313 CA2604 6 Single Stage Regulator CA2603 7 Gas Cylinder Retainer J2489B 8 Refillable Sodalime Canister C32540 9 Gas Cylinder Manifold DM4511 10 Canister Lift Mechanism C2893B 11 Penetrator Body D291 ...

Page 69: ...Sealing Washer DM217 15 Locknut D275 16 O Ring RN031 7 17 Duct D2480 18 Duct Insert D276 19 Retaining Nut D2939A 20 Penetrator Body D277 Item Description Part No 1 Harness C35650 2 Counterlung Enclosure Divers Right Hand DM46630B 3 Counterlung Enclosure Divers Left Hand DM36010B 4 Actuation Sleeve Assembly C45540B 5 Actuation Cable Assembly C2937 Item Description Part No ...

Page 70: ...irst stage regulator test port and insert the test gauge Divex Part No DM32540 from the Tool and Test Kit 3 Remove the scrubber door and CO2 scrubber canister 4 Insert the flowmeter connector Divex Part No DM32580 from the Tool and Test Kit into the main supply penetrator 5 Connect a breathing quality AIR supply directly to the umbilical hose on the SLS System and set a supply pressure equal to th...

Page 71: ...ster and check the door seal See Section 3 1 2 and section 3 1 1 page 37 d Replace and secure the outer door 4 3 2 Monthly maintenance procedures NOTE The following checks can be conducted using breathing quality compressed air thereafter the SLS System should be purged with Heliox and prepared for re use Do not under any circumstance attempt to dive with air as a gas mixture in SLS Diver will bec...

Page 72: ...acken the locknut Fig 4 7 Item 22 and using the allen key provided move the regulator adjustment screw Fig 4 7 Item 23 until the settings are correct Tighten the locknut Fig 4 7 Item 22 to lock this setting 9 If it is not possible to achieve the flow rate when the regulator pressure is correctly set then the injection orifice penetrator should be removed and either ultrasonically cleaned or replac...

Page 73: ...et filter on the single stage regulator and if it is corroded or clogged replace the inlet filter fitting Fig 4 8 Item 22 and repeat Step 9 to verify the correct flow If the problem persists check the condition of the filter on the helmet sideblock elbow Replace if necessary and repeat step 9 4 3 2 6 Check operation of demand regulator NOTE Do not carry out this test whilst the SLS System is charg...

Page 74: ...m cap Fig 4 3 Item 3 using a strap wrench b Dismantle all other component parts c Rinse all components in fresh water paying particular attention to the Rotowink cartridge and mesh screen to ensure that they are totally free of foreign matter and salt crystallisation d Inspect all O rings and replace as necessary e Reassemble in reverse order of a and b above Before re assembly lightly lubricate t...

Page 75: ...in body item 1 When ordering spare parts type 2 bodies D263 and Mesh Retaining Sleeves D321 will be supplied by Divex Item Description Part No 1 Overpressure Indicator Main Body D263 2 Overpressure Indicator Top Cap D264 3 Overpressure Indicator Bottom Cap D265 4 Overpressure Indicator Lens D266 5 O ring RN016 7 6 O ring RN020 7 7 Flat Bottom Grubscrew 6 UNF x 1 8 FB079 8 Rotowink DM263 9 Mesh MC3...

Page 76: ...re Indicator Type 2 Part No DM262 Item Description Part No 1 Overpressure Indicator Main Body D263 2 Overpressure Indicator Top Cap D264 3 Mesh Retaining Sleeve D321 4 Overpressure Indicator Lens D266 5 O ring E14629 6 O ring E14738 7 O ring E14783 8 Rotowink DM263 9 Mesh D319 ...

Page 77: ...n cable assembly section 3 4 4 b Recharge the gas cylinders with the appropriate heliox gas mix for the diving depth section 3 1 1 c Install a refilled scrubber canister and check the door seal section 3 1 2 and section 3 3 1 d Replace and secure the outer door 4 3 3 Six monthly maintenance procedures 4 3 3 1 Perform monthly maintenance Carry out the monthly maintenance schedule in accordance with...

Page 78: ... System and pressing down on the demand valve diaphragm with the demand valve activating tool Divex Part No M2922 from the Tool and Test Kit Item Description Part No 1 Bracket J2489B 2 Bolt long FB075 3 Securing Stud D305 4 Jubilee Clip FC047 5 Pipework Bracket MC406 6 Pipework Clip MC407 7 Screw FB248 8 Nut FN001 9 Heatshrink Black EM190 10 Andoe Kit DM2945 ...

Page 79: ...all a refilled CO2 scrubber canister and check the door seal section 3 1 2 and section 3 1 3 e Replace and secure the outer door 4 3 4 Annual maintenance procedures 4 3 4 1 Visual inspection and testing of gas cylinders and HP pipework 1 All high pressure pipework and gas cylinders should be inspected and tested by an authorised test house 4 3 4 2 Strip down and service of two stage regulator 1 Re...

Page 80: ...the end cap Fig 4 7 Item 2 and remove the spring adjustment plate Fig 4 7 Item 7 the spring support plate Fig 4 7 Item 6 and the spring Fig 4 7 Item 19 b Remove the slip ring Fig 4 7 Item 10 the diaphragm Fig 4 7 Item 31 and the diaphragm support plate Fig 4 7 Item 11 c Unscrew and remove the valve seat retainer Fig 4 7 Item 12 d Remove the valve pin Fig 4 7 Item 16 e Remove the spring Fig 4 7 Ite...

Page 81: ...034 Lightly lubricate the diaphragm support plate faces which contact the diaphragm with christo lube The edge of the diaphragm must remain dry j Re assembly is the reverse of the above NOTES 1 Fit new O rings to the spool from the pull ring end as the sharp edges on the recesses for the ball bearings may cut the O rings 2 Once maintenance is complete loop an appropriate cable tie e g FC195 round ...

Page 82: ...70 OM131 Chapter 4 P1939 OM 131 R11 Fig 4 7 Annual Maintenance Two Stage Regulator ...

Page 83: ...age Banjo D4541A 10 Slip Ring D2282 11 Diaphragm Support Plate D22070 12 Valve Seat Retainer D2210G 13 Valve Seat RK221 14 Spool Valve D2794E 15 Spool Valve Cap 16 Valve Pin D2206F 17 Pull Ring D2891C 18 Sleeve D32860 19 Spring RK230 20 Spring RK225 21 Circlip MC121 22 Locknut FN015 23 Grub Screw FB080 24 O ring RN015 7 25 O ring RN801 7 26 O ring RN020 7 27 O ring RN010 7 28 O ring RN806 7 29 O r...

Page 84: ... are secured by Loctite 601 6 Remove the banjo mounting bolt Fig 4 8 Item 10 from the regulator 7 Undo the bracket and withdraw the single stage regulator from the SLS System 8 Disconnect the flexible gas supply hose at the regulator inlet port 9 Remove the regulator from the SLS System 10 Unscrew the end cap Fig 4 8 Item 2 and remove the spring adjustment plate Fig 4 8 Item 5 the spring support p...

Page 85: ...ivex Part No SM034 Lightly lubricate the diaphragm support plate faces which contact the diaphragm with christo lube The edge of the diaphragm must remain dry 17 Re assembly is the reverse of the above NOTE The valve seat Fig 4 8 Item 7 is installed in the valve seat retainer Fig 4 8 Item 6 with the chamfer end in the retainer and the square edge to the valve pin Fig 4 8 Item 8 ...

Page 86: ...74 OM131 Chapter 4 P1939 OM 131 R11 Fig 4 8 Annual Maintenance Single Stage Regulator ...

Page 87: ...Using pliers pull the valve stem Fig 5 12 Item 4 to remove the valve seat Fig 5 12 Item 3 7 Remove the spring Fig 5 12 Item 5 and O ring Fig 5 12 Item 14 Item Descriptions Part Nos 1 Single Stage Regulator Body D2284 2 Regulator End Cap D2285 3 Diaphragm Support Plate D22070 4 Spring Support Plate D2281 5 Spring Adjustment Plate D2212B 6 Valve Seat Retainer D2286 7 Valve Seat RK221 8 Valve Pin D22...

Page 88: ...aled if adjustment is made Ensure that NO thread locking compound is located NEAR the roller fork for the shuttle as this will cause the regulator to malfunction a By using a straight edge across the top of the regulator body Fig 5 12 Item 1 check that the roller on the roller fork Fig 5 12 Item 12 lies approximately 1mm above the top face of the regulator If not then gently bend the roller fork u...

Page 89: ...om lower part of main housing Leak from one of the lower penetrators Replace lower penetrator o rings See Section 4 5 3 External air leak from charging point Check valve seat cut or damaged Replace charging point check valve seat See Section 4 5 4 External leak from burst disc Burst disc ruptured Replace burst disc See Section 4 5 5 Failure to pass flow test Restriction in injection orifice Ultras...

Page 90: ...rque setting Fig 4 9 Corrective Maintenance Scrubber Door Assembly Part No C2606 Item Description Part No 1 Strong Back D2621 2 Screw D2485 3 Door D2605H 4 Handwheel D2483F 5 Guard D2884A 6 Spacer D2283A 7 O ring RN1245 7 8 O ring RN611 7 9 Screw FB068 10 Tommy Bar D35130 11 Screw FB040 12 Washer FW007 ...

Page 91: ...r rim with white paint in line with the white side of the tommy bar 7 If this is a new setting on a door that has previously been marked always remove the existing mark with wire wool or similar abrasive material 8 If further guidance is required please see P1939 PGN 6774 NOTE If the main assembly is removed the screw Fig 4 9 Item 9 must be fixed in place using a thread retainer compound Fig 4 10 ...

Page 92: ... penetrator 6 Re install the penetrator into the scrubber housing and refit the locknut Fig 4 11 Item 2 using the tools described in Step 2 above and with a moistened finger carefully wipe the excess silicone sealant smooth before it sets Fig 4 11 Corrective Maintenance Under Penetrator Typical Counterlung Hose Penetrators Inhale Exhale Hose Penetrators Item Description Part No 1 Duct D2487G 2 Loc...

Page 93: ...generator housing gasket sealing area and the regenerator housing sealing area and wipe all these areas with silicone primer Divex Part No SM021 9 Re install the regenerator housing with a generous bead of silicone sealant Divex Part No SM006 ensuring a gas tight seal 10 Inspect the sealing area for the scrubber canister gasket Fig 3 9 Item 2 Check that all traces of silicone sealant have been rem...

Page 94: ...rrective Maintenance Lower Penetrator 1 Undo the locknut Fig 4 12 Item 2 2 Withdraw the penetrator Fig 4 12 Item 1 from the hole 3 Check the O rings Fig 4 12 Items 4 and 5 for wear and replace as necessary 4 On re assembly seal the penetrator in place with silicon sealant Divex Part No SM006 and the leak test the housing Item Description Part No 1 Penetrator Supply D277 Penetrator Blank D291 2 Loc...

Page 95: ...gas cylinders are empty by activating the SLS System and pressing down on the demand valve diaphragm with the demand valve activating tool Divex Part No M2922 from the Tool and Test Kit 2 Remove the cylinders and manifold section 4 3 3 2 Fig 4 13 Corrective Maintenance Charging Point Check Valve Item Description Part No 1 Body D2384H 2 Spring Retainer D2385H 3 Sintered Filter FE012 4 Valve Pin RK2...

Page 96: ...xtractor 8 Fit a new valve seat Fig 4 13 Item 5 countersink end first into the body Fig 4 13 Item 1 Use a 1 5 mm pin such as a welding rod to ensure that the valve seat does not turn during installation 9 Re assembly is the reverse of above 10 Lightly lubricate O rings before re assembly using an oxygen compatible lubricant e g Christo lube fluorinated grease Divex Part No SM034 4 5 5 Burst disc r...

Page 97: ...System This should only be carried out if there has been damage to the body 1 Release the wing nut and remove the thermal regenerator Fig 3 7 Item 1 2 Dismantle the regulator section 4 3 4 4 3 Using the duct spanner Divex Part No M2921B unscrew the inner sleeve from the duct whilst holding the demand regulator until the demand regulator body Table 4 1 Item 1 comes off 4 Replacement is the reverse ...

Page 98: ...damaged components may be replaced 7 Detach the contents gauge hose whip and overpressure indicator hose whip from the harness 8 Undo the two buckles and unthread the webbing securing straps from the Backpack 9 Reassemble the harness in the reverse of the above NOTE See Section 4 5 7 1 for correct routine of securing webbing harness to backpack Fig 4 15 Corrective Maintenance Actuation Sleeve Part...

Page 99: ...ower support pin and through the reinforced webbing loop as per Fig 4 16 Fig 4 16 2 Take the webbing strap and pass it under the first half of the reinforced loop at the top of the harness as per Fig 4 17 7 Screw C sk Slotted 1 4 UNC x 1 2 Long FB132 8 Reaction Bracket Divers Right D323 9 Reaction Bracket Divers Left D325 10 Hose Barb D324 11 Wiper Sleeve D328 12 Cable Tie DST034 Reference only No...

Page 100: ...3 Take the webbing strap and pass it under the support pin at the top of the backpack and then through the second half of the reinforced loop at the top of the harness as per Fig 4 18 Fig 4 18 4 Pass the webbing through top buckle as per Fig 4 19 ...

Page 101: ...ng and loop it back through the top buckle to prevent slippage and tidy the loose end Fig 4 20 NOTE Incorrect fitting of the harness will lead to excessive movement of the backpack potentially causing discomfort to the diver as well as premature wear and failure of the webbing straps ...

Page 102: ...7 1 Disconnect the counterlung hoses 2 Remove the counterlung and enclosure assembly from the harness 3 Undo the attachment webbing strap beneath the counterlung 4 Dismantle the counterlung from the counterlung enclosure using the duct spanner Divex Part No M2921B from the Tool and Test Kit 5 Reassemble the counterlung and enclosure in the reverse of the above Item Description Part No 1 Outer Wash...

Page 103: ...31 91 P1939 OM 131 R11 Chapter 5 CHAPTER 5 PARTS CATALOGUE CONTENTS Page 5 1 Backpack housing assembly drawings and parts lists 92 5 2 Tool and test kit 93 5 2 1 Divex SLS system backpack torque setting 96 ...

Page 104: ...040S1 Fig 5 9 SLS System MK IV Gas System Schematic P193933S1 Fig 5 10 SLS System Two Stage Regulator Assy P1939 DG 031 Fig 5 11 SLS System Single Stage Regulator Assy P1939 DG 025 Fig 5 12 SLS System MK IV Demand Regulator Assy P1939272S1 Fig 5 13 SLS System MK IV Protection Cover Assembly P193982626 Fig 5 14 82626 SL SLS System MK IV Bottle Retainer Assy P1939 DG 059 Fig 5 15 P1939 MT 059 SLS Sy...

Page 105: ...w Fig 5 1 Tool and Test Kit SLS System Mk IV Part No C10203 Item Description Part No Qty 1 Pressure Gauge Assembly DM32540 1 2 Flowmeter Assembly DM32580 1 3 Manometer Assembly DM32570 1 4 Christo lube Grease SM034 1 5 Locknut Spanner M2920 1 6 Duct Spanner M2921B1 7 Demand Valve Actuating Tool M2922 8 Spanner 5 16 AF TA097 1 9 Storage Case MC328 1 10 Inhale Exhale Duct Protection Cover D311 3 11 ...

Page 106: ...22 Pin Valve 1 RN004 9 O ring 1 RN028 7 O ring 1 RN611 7 O ring 2 VR101 Relief Valve 1 RN032 7 O ring 1 DM29310 Gas System Pipework Spares Kit Comprises 1 FE012 Filter Sintered 3 E14951 O ring 1 FJ295 Cap 4 JIC SS MWP620BAR 1 RK221 Valve Seat 1 RK228 Ball Bearing 1 RN010 7 O ring 1 RN015 7 O ring 1 RN904 7 O ring 1 RN908 7 O ring 3 VM050 Burst Disc 5600 PSI 1 VM051 Seat Burst Disc 1 D267 Seal Gaug...

Page 107: ... 1 RK221 Valve Seat 1 RN010 7 O ring 2 RN015 7 O ring 2 RN020 7 O ring 1 RN801 7 O ring 1 RN806 7 O ring 1 VM052 Gasket Relief Valve SLS 1 DM29370 Kit SLS Umbilical Regulator Spares Comprises 1 D2202 Pin Valve SLS 1 D22830 Diaphragm 2nd Stage Regulator SLS 1 MC124 Gasket 1 RK221 Valve Seat 1 RN015 7 O ring 2 DM29380 Scrubber Housing Spares Kit SLS Comprises 1 D2477C Gasket SLS Scrubber Housing 1 D...

Page 108: ...cally inspected to ensure that no degradation has taken place 5 2 1 Divex SLS system backpack torque setting MC111 Circlip External 9MM 1 RN1245 7 O ring 4 RN611 7 O ring 4 Part No Description CA2607 Counterlung C45800 Counterlung Hose Assembly C32540 Refillable Sodalime Canister D328 Cable Wiper Sleeve D322 Counterlung Enclosure Bush D267 Valve Seat Part No Description Torque grm m Nm FB032 Deman...

Page 109: ...OM131 97 P1939 OM 131 R11 Chapter 5 Fig 5 2 Backpack Assembly Drawing P1939229S1 ...

Page 110: ...14 MS R04 16974 TS 10 11 14 SC SEE PARTS LIST N A 1 PRESSURE TEST SCRUBBER HOUSING ASSEMBLY TO AN INTERNAL PRESSURE OF 4psi 100 HELIUM 2 SEE SHEET 2 FOR SERIALISATION TORQUE SCRUBBER DOOR HANDWHEEL TO 2 7 2 9Nm MARK WHEEL WITH WHITE PAINT OPPOSITE THE WHITE END OF THE TOMMY BAR UPDATED UPDATED ITEM 23 NOTES AND SHEET 2 ADDED ITEM NO PART NO DESCRIPTION QTY MANUFACTURER SUPPLIER 1 D294 HOUSING 1 P1...

Page 111: ...OM131 99 P1939 OM 131 R11 Chapter 5 Fig 5 4 Scrubber Housing Assembly Drawing P1939131S1 ...

Page 112: ... 6 7 5 5 9 6 6 6 67 0 1 6 352 8 7 352 7 1R 3 57 1R 5 1 1R 0 7 5 127 6 7 5 1 1 8 5 72 5 1 6 6 6 1 8 5 72 5 1 7 2 0 3 21 0 3 5 7 21 0 1 1 12 0 3 6 0 16 21 72 5 1 6 2 127 6 5 1 5 029 6 53 6 1 8556 0 16 216 25 3 7 1 826 0 16 216 6 2 1 5 1 00 826 1 6 3 576 67 9 2 16 7 23 5 7 2 7 6 2 80 17 1 1 6 1 5 7 5 1 7 6 6833 1 21 1 1 0867 127 86 25 1 385326 27 5 7 1 7 7 25 7 6 6833 1 0867 127 5 352 8 7 287 3 50 66...

Page 113: ...OM131 101 P1939 OM 131 R11 Chapter 5 Fig 5 6 SLS System Mk IV Inhale Exhale Duct Assembly Drawing P1939 DG 142 ...

Page 114: ...102 OM131 Chapter 5 P1939 OM 131 R11 SLS System Mk IV Inhale Exhale Duct Assembly Spares List Item Description Qty Part No 1 Duct 1 D2437 2 Locknut 1 D270 3 O ring 1 RN031 7 ...

Page 115: ...OM131 103 P1939 OM 131 R11 Chapter 5 Fig 5 7 SLS System Mk IV Counterlung Duct Assembly Drawing P1939 DG 159 ...

Page 116: ...104 OM131 Chapter 5 P1939 OM 131 R11 SLS System Mk IV Counterlung Duct Assembly Spares List Item Description Qty Part No 1 Duct 1 D2487 2 Locknut 1 D275 3 O ring 1 RN031 7 ...

Page 117: ...HAN THAT FOR WHICH IT IS SUPPLIED AND MUST NOT BE REPRODUCED WITHOUT PERMISSION IN WRITING FROM THE OWNERS SCALE DRAWN BY DIMENSIONAL TOLERANCES NO DECIMAL PLACES 1 0 ONE DECIMAL PLACE 0 2 TWO DECIMAL PLACES 0 05 ANGULAR TOLERANCE 0 5 FINISH ALL DIMENSIONS IN MM UOS ALL DIMENSIONS BEFORE PLATING UOS SLS SYSTEM MKIV SUPPLY PENETRATOR ASSEMBLY P1939129S1 R02 M McCaskill MATERIAL 2 1 CB129 SLS SYSTEM...

Page 118: ...106 OM131 Chapter 5 P1939 OM 131 R11 Fig 5 9 SLS System Mk IV Gas Schematic Drawing P193940S1 ...

Page 119: ...C x 3 4 Lg 1 29 FN015 Nut Hex 10UNC 1 30 MC112 External Circlip 1 31 D29010 Mounting Plate 1 32 FB042 Screw 6UNC x 7 5 Lg 2 33 D2206F Valve Pin 1 34 RN801 7 O Ring 1 35 E13991 O Ring 3 36 FV299 VCO Male Connect 1 4 Tube 1 37 FE012 Filter Element 35 Micron 1 PROJECTION A2 SIZE 1 1 SCALE 1 1 OF SHT R05 REV SLS SYSTEM 05 03 92 MB FINISH PRODUCT PROJECT No CA2602 PART No DRAWING No MATERIAL NOTES THIR...

Page 120: ... 1 0 7 5 6 29 1 6 3 57 1R 0 7 5 8 725 66 0 6 5 1R 5 1R 7 7 176 6 7 5 9 7 3 0 81 7 1 20 5 1 74 6 1 67 6 5 37 21 2 5 9 6 21 5 352 8 7 287 3 50 66 21 1 5 7 1 520 7 2 1 56 9 2 16 7 23 5 7 2 7 6 2 80 17 1 1 6 1 5 7 0 2 5 1 7 6 6833 1 21 1 1 0867 127 86 25 1 385326 27 5 7 1 7 7 25 7 6 6833 1 0867 127 17 535 6 5 9 67 HPDLO LQIR GLYH FR XN 0 1 668 25 0 18 785 352 8 7 6 6 6 67 0 0 16 216 1 00 826 7 2 0 3 6...

Page 121: ...8 785 352 8 7 6 6 6 67 0 0 16 216 1 00 826 7 2 0 3 6 21 0 3 0 16 216 25 3 7 1 826 5 029 6 53 6 8556 12 0 3 6 1 8 5 72 5 1 0 16 21 72 5 1 6 6 ZZZ GLYH FR XN 5 1 6 7 5 7 1 6 7 1 1 5 57 3 3 7 33529 3527 7 21 29 5 66 0 12 21 7 0 180 5 57 57 127 1685 9 9 6 7 7 0 6 77 7 0 5 6 167 9 9 3 1 7 0 0 0 3 12 21 7 0 180 5 68 66 0 9 0 7 7 3527 7 21 29 5 0 7 0 3 57 1R 6 5 37 21 47 RG HPDQG 5HJXODWRU 0 LG 6XE VVHPE...

Page 122: ...SHARP EDGES AND BURRS ALL DIMENSIONS BEFORE PLATING UOS SIZE SEE PARTS LIST PROJECTION ALL DIMENSIONS SHOWN ARE IN MM UOS MJ ASSEMBLY TITLE DIVEX LIMITED ENTERPRISE DRIVE WESTHILL ABERDEEN AB32 6TQ UNITED KINGDOM Tel 44 0 1224 740145 Fax 44 0 1224 740172 email info divexglobal com www divexglobal com DESCRIPTION DATE BY ECN No REV R01 R02 R03 R04 R05 R06 AUTH BY R00 MACHINING SHEET RTW PRODUCT PRO...

Page 123: ...OM131 111 P1939 OM 131 R11 Chapter 5 Fig 5 14 SLS System Mk IV Bottle Assembly ...

Page 124: ...es List Item Description Qty Part No 1 Bottle Retainer 1 J2489B 2 Bolt Panhead 4 FB075 3 Securing Stud 2 D305 4 Jubilee Clip 1 FC047 5 Bracket Pipework Support 1 MC406 6 Pipework Securing Clip 2 MC407 7 Screw Self Tapping 1 FB248 8 1 4 20 UNC Hex Nut 1 FN001 9 Heatshrink Black 1 EM190 10 Anode Kit 1 DM2945 ...

Page 125: ...OM131 113 P1939 OM 131 R11 Chapter 5 Fig 5 15 SLS System Rotowink General Assembly Drawing P1939 DG 59 ...

Page 126: ...stem Mk IV Bottle Retainer Assembly Spares List Item Description Qty Part No 1 Main Body 1 D263 2 Top Cap 1 D264 3 Mesh Retaining Sleeve 1 D321 4 Lens 1 D266 5 O ring 1 E14629 6 O ring 2 E14738 7 O ring 1 E14783 8 Rotowink 1 DM263 9 Mesh 1 D319 ...

Page 127: ...OM131 115 P1939 OM 131 R11 Chapter 5 Fig 5 16 SLS System Mk IV Hot Water System Drawing P1939156S1 ...

Page 128: ...5 1 1 8 5 72 5 1 6 6 6 1 8 5 72 5 1 7 2 0 3 21 0 3 5 7 21 0 1 1 12 0 3 6 0 16 21 72 5 1 6 2 127 6 5 1 5 029 6 53 6 1 8556 0 16 216 25 3 7 1 826 0 16 216 6 2 1 5 1 00 826 1 6 3 576 67 9 2 16 7 23 5 7 2 7 6 2 80 17 1 1 6 1 5 7 5 1 7 6 6833 1 21 1 1 0867 127 86 25 1 385326 27 5 7 1 7 7 25 7 6 6833 1 0867 127 5 352 8 7 287 3 50 66 21 1 5 7 1 520 7 2 1 56 3 6 6 6 6 67 0 6 7 27 7 5 26 66 0 7 7 9 0 7 17 ...

Page 129: ...OM131 117 P1939 OM 131 R11 Chapter 5 Fig 5 18 Shroud Hot Water Hose Assembly Drawing P1939 DG 83282 ...

Page 130: ...118 OM131 Chapter 5 P1939 OM 131 R11 Fig 5 19 SLS System Hot Water Shroud Assembly Drawing B82840 ...

Page 131: ...r 5 SLS System Mk IV Bottle Retainer Assembly Spares List Item Description Qty Part No 1 Modifications to Shroud 1 D2838 2 Support Collar 1 D2839 3 Cable Tie 2 FC029 4 Tube Corrugated 1 DE115 5 Shroud Regulator 1 DE116 6 Flange 1 DE117 ...

Page 132: ...120 OM131 Chapter 5 P1939 OM 131 R11 Fig 5 20 Refillable Canister Assembly Drawing P1939 DG 035 ...

Page 133: ...OM131 121 P1939 OM 131 R11 Chapter 5 Fig 5 21 SLS System Mk IV Harness Assembly Drawing P1939137S1 ...

Page 134: ...122 OM131 Chapter 5 P1939 OM 131 R11 Fig 5 22 SLS System Mk IV Actuation Cable Assembly Drawing P1939 DG 115 ...

Page 135: ...OM131 123 P1939 OM 131 R11 Chapter 5 Fig 5 23 SLS System Mk IV Counterlung Assembly Drawing P1939 DG 56 ...

Page 136: ...UNITEDKINGDOM SEE PARTS LIST REV DO NOT SCALE DRAWING R02 R03 R04 R05 R06 ECN No BY DATE DESCRIPTION R00 AUTH BY R07 ISSUED FOR MANUFACTURE IHY 24 05 1996 DRS 4 8 9 6 12 11 7 2 5 3 10 13 10 10 1 ITEM 14 TO BE POSITIONED CENTRALLY ON THE FRONT OF THE BOX ITEM NOT SHOWN ITEM No 8 REVISED JG 09 10 2003 RTW LAYOUT REVISED JG 01 03 2004 RTW ITEM No 14 ADDED PW 23 09 2004 RTW ITEM No 10 REPOSITIONED BOM...

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