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MRS III

Mobile Refill System

for the Aqua Lung SEA

(Survival Egress Air)

January, 2016

Operation and

Maintenance Manual

Summary of Contents for MRS III

Page 1: ...MRS III Mobile Refill System for the Aqua Lung SEA Survival Egress Air January 2016 Operation and Maintenance Manual...

Page 2: ...page 36 BAS 03 2011 9 2011 Inline Bleeder Assembly moved to page 28 BAS 04 2011 9 2011 Page 28 items 69 70 added to list BAS 05 2011 10 2011 Page 35 item 347 1 added to picture and table BAS 01 2012...

Page 3: ...AL INSPECTION 3 FILL ADAPTERS 3 FIGURE 8 FILL ADAPTER 4 FIGURE 9 REMOVE RUBBER CAP 4 FIGURE 10 CONNECT TO AIR INLET FITTING 4 FIGURE 11 CHECK SUPPLY AIR PRESSURE 4 SECTION 7 4 AFTER FILLING IS COMPLET...

Page 4: ...UPPLY CYLINDER VALVES 14 FIGURE 31 SUPPLY CYLINDER VALVE 14 REMOVING SUPPLY CYLINDER VALVE 14 FIGURE 32 VAL1 10 TOOL 14 FIGURE 33 USING VAL1 10 14 FIGURE 34 SUPPLY CYLINDER VALVE ASSEMBLY 15 FIGURE 35...

Page 5: ...blowing compressed gas at yourself or any other person Wear hearing protection Avoid standing over top of the unit when it is in use Have the gauges checked for accuracy every 18 months They should be...

Page 6: ......

Page 7: ...isted below MRS III Mobile Refill System A Supply Cylinder CYL1 B Refill Port w rubber cap RCAP C Adapter PRS6 to CGA 347 D Case 1650 E Frame Control Panel FRM1 F SEA fill adapter PRS21 G Bleeder valv...

Page 8: ...es SEA cylinders to 3000psi from an internal source of approved breathing air You can fill either one or two at a time 4 1 1 WARNING DO NOT FILL CYLINDERS THAT ARE DAMAGED OR THAT HAVE LIQUID IN THEM...

Page 9: ...close the fill valve YVA3010A Open the bleeder valve 712 on the fill hose used to vent the pressure from the fill lines 5 11 Disconnect the fill hose from the SEA by rotating the fill adapter PRS21 co...

Page 10: ...s REFER TO FIGURE 3 page 2 FOR A PICTURE OF THE VALVES 6 5 Remove rubber cap RCAP figure 9 Connect approved source of air to inlet fitting DIN F figure 10 6 6 Pressurize the system at a rate not to ex...

Page 11: ...Close and securely latch the lid 8 0 WARNINGS 8 1 This unit contains air under high pressure Serious injury may result from misuse of this apparatus and the gas it contains 8 2 Avoid blowing compress...

Page 12: ...5 9 4 To replace the other parts will require a set of external snap ring pliers an O ring pick the PRS21 8 and some non toxic O ring lubricant Christo lube 9 5 To start remove the visible O ring PRS2...

Page 13: ...3 install O ring PRS21 6 figure 18 9 8 If tool set PRS21 8 is not available install the seals with an O ring pick in the same order as 9 7 2 above Carefully avoid stretching and nicking the seals whi...

Page 14: ...ole Reinstall in bleeder keeper 11 0 REMOVING THE TOP PLATE 11 1 There are six 6 screws that hold the top plate to the unit Unscrew these figure 21 and lift the plate figure 22 11 1 1 WARNING VERIFY T...

Page 15: ...irect from the CGA by calling 703 788 2700 ext 799 or via email from CustomerService cganet com 11 5 1 Basic cylinder inspection criteria are listed in section 12 11 6 Inspect all other components for...

Page 16: ...cylinder 12 4 2 Check cylinder walls for corrosion If corrosion is present have an authorized test facility remove the corrosion and check for cylinder wall pitting damage 12 4 2 1 If pitting exceeds...

Page 17: ...you can connect your test gauge to one of the fill lines removing the PRS 21 for access to a 1 4 NPT Use air from the supply cylinders or supply air thru the refill port to pressurize these gauges Th...

Page 18: ...nder valves VAL1 Attach the approved source of CGA grade D Breathing Air to the refill port DIN F and slowly pressurize to 1000psi Close the valve on the refill source Allow the unit to stand for 5 mi...

Page 19: ...dy and can be removed by taking the valve stem and placing over the tang of the seat and using the valve knob YVAKNOB 1 to turn it counterclockwise until it is loose from the threads Lift it out 15 5...

Page 20: ...screwdriver 9 47448 from SEA toolkit to tighten the nut onto the stem Reinstall the plastic center cap 1389 4 15 6 SUPPLY CYLINDER VALVES VAL1 15 6 1 The supply cylinder valves figure 31 are very sim...

Page 21: ...figure 34 15 6 3 4 1 CAUTION THERE IS SLIGHT SPRING TENSION HOLDING THIS NUT USE CAUTION WHEN REMOVING 15 6 3 5 This will expose the bonnet VAL1 16 nut Remove the nut using a valve nut tool VAL1 12 fi...

Page 22: ...vice The rubber bumper is removed using a square drive screwdriver Under this bumper is a spring washer and the gauge cover lift these off and set aside Using the gauge tool VAL1 11 remove the gauge b...

Page 23: ...f 45 2 foot pounds 15 6 5 If possible test the valve by pressurizing the cylinder to 1000psi and checking for air leaks After the valve is leak free at 1000psi then pressurize to 4500psi and check for...

Page 24: ...rge adjustable wrench remove the mounting nut NUT1 by turning counter clockwise 16 1 6 Lower the regulator out of the hole in the control panel Use caution on tubing below 16 2 Once the regulator has...

Page 25: ...approved O ring lubricant Christo lube 16 8 Tighten all parts snug with a wrench but avoid using excessive force 16 9 Reinstall regulator into panel using the reverse order of 16 1 Do not reinstall ac...

Page 26: ...also contact them at www pelican com 17 1 2 When returning the case for repair or replacement you will need to remove all equipment from the case including the hose mounts and the manual 17 1 2 1 The...

Page 27: ...y are tight If the leak is not from the fitting where it meets another fitting replace hose Fill hose shows damage Replace fill hose Fill hose fails to shut off when valve is closed Rebuild valve Repl...

Page 28: ...MRS leaks out the refill port Rebuild inlet check valve Leak at connection to supply cylinder Check the connection to make sure it is hand tight Replace O ring in connector Inspect cylinder valve and...

Page 29: ...al frame is damaged Inspect metal frame If damage is minor then the metal can be straightened using standard shop practices and hand tools If damage is major replace MRS III MRS III exceeds 15 years f...

Page 30: ...Illustrated Parts Breakdown Mobile Refill System III 100701 FRONT OF UNIT page 24...

Page 31: ...SIDE VIEW page 25...

Page 32: ...ALVE 07 8 BLT3 103208 SCREW 20 X 1 SS 08 1 MRS22 103137 BRASS PLUG 7 16 X 20 09 2 MRS23 103211 BOLT 20 X 1 SS 10 10 MRS50 103212 INSERT 20 11 6 WA1 103213 WASHER FLAT SS 12 1 MRS21 103214 LANYARD 13 1...

Page 33: ...BY FNPT 39 1 347 1 103248 CGA 347 TO FNPT BRASS 40 1 MRS24 103250 MRS III OPERATING INSTRUCTIONS 41 1 MRS12 103249 SCREW SET 42 2 PAD1 103251 PAD RUBBER 4 X 21 x 25 ADHESIVE BACK 43 2 YVA3010A 103252...

Page 34: ...MRS26 103279 LABEL 5 X 1 75 AVERY 5267 66 2 59 103281 BLEEDER KEEPER 67 1 PAD2 103348 PAD RUBBER 4 X 21 X 375 ADHESIVE BACK 68 2 RCAP 100755 RUBBER COVER FOR MRS INLET 69 1 PRS6 1 820040 O RING 70 1...

Page 35: ...6 5 4 3 2 10 11 FILL VALVE OVERHAUL KIT YVAKIT 5 6 2 3 ITEM REQ D PART NO AQUALUNG PART NO DESCRIPTION 1 1 YVABODY 103282 VALVE BODY 2 1 YVAKIT 5 103283 COPPER GASKET 3 1 YVAKIT 1 103284 VALVE SEAT 4...

Page 36: ...SUPPLY CYLINDER VALVE VAL1 or 103276 page 30 14 1 10 3 9 4 5 8 7 6 2 GAUGE ASSEMBLY 16 18 22 17 15 19 15 SUPPLY CYLINDER VALVE OVERHAUL KIT VAL1KIT 12 7 10 1 6 8 13 11 21 20 13 11 12 15 SAFETY DISC...

Page 37: ...103303 O RING 8 2 VAL1 6 103304 TEFLON WASHER 9 1 VAL1 14 103306 WEAR WASHER 10 1 VAL1 8 103307 O RING 11 1 VAL1 4 103308 SAFETY DISC GASKET 12 1 VAL1 3 103309 SAFETY DISC 13 1 VAL1 9 103311 SAFETY DI...

Page 38: ...REQ D PART NO AQUALUNG PART NO DESCRIPTION PRS21KIT 100782 ADAPTER OVERHAUL KIT ITEMS 2 3 5 6 BELOW 1 1 PRS21 1 103333 SPINDLE 2 2 PRS21 3 100771 O RING 3 2 PRS21 2 100770 BACK UP RING 4 1 PRS21 4 103...

Page 39: ...S21 6 100773 O RING 5 2 712SSTIP 100774 TIP 6 2 010 100775 O RING 7 2 VAL1 8 103307 O RING FITS VAL1 NECK 8 2 YVAKIT 100777 REPAIR KIT YVA VALVE 9 2 YVAKNOB 100778 KNOB 10 1 1120KIT 100776 KIT FOR 112...

Page 40: ...ng an 11 16 and a 3 4 wrench separate the halves of the check valve 2 Remove the spring 1 ball 3 gasket 2 and the o ring 4 Discard 3 Using a soft cloth or papertowel clean the internal surfaces of the...

Page 41: ...e O rings from stem using O ring pick Discard 3 The 820039 O ring 3 on the PRS MRS DIN connector must have a light coat of non toxic lubricant Christo Lube applied prior to being installed on the asse...

Page 42: ...nnot be bought separately 1120KIT1 1 PISTON 1120KIT1 3 SEAT 1120KIT1 2 O RING 1120KIT 1 BREAKDOWN 1120KIT 1 2 and 1120KIT 1 3 are part of 1120KIT 1 Cannot be purchased seperately 3 8 7 ITEM REQ D PART...

Page 43: ...MRS III FLOW DIAGRA M page 37...

Page 44: ...page 38...

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