Kirby Morgan KMB-18 A/B Operation And Maintenance Manual Download

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Kirby Morgan Band Mask

KMB-18 A/B and KMB-28B

Operations and Maintenance Manual

Summary of Contents for KMB-18 A/B

Page 1: ...Kirby Morgan Band Mask KMB 18 A B and KMB 28B Operations and Maintenance Manual...

Page 3: ...ght 1970 2003 Kirby Morgan Dive Systems Inc All rights reserved This manual is made available for the express use of owner of this Kirby Morgan product No part of this manual may be reproduced stored...

Page 5: ...3 Reducing Carbon Dioxide 14 1 5 4 Main Exhaust System 14 1 5 5 Communications 15 1 5 6 Hood and Face Seal 15 1 5 7 Hood and Face Seal Retainer Band 15 1 5 8 Head Harness or Spider 15 1 6 IMPORTANCE O...

Page 6: ...2 4 1 Flooding 29 2 4 2 Inhalation Resistance 29 2 4 3 Gas Flow Stops 29 2 4 4 Demand Regulator Free Flow 30 2 5 POST DIVE PROCEDURES 30 2 5 1 Removing the Equipment 30 Chapter 3 TROUBLESHOOTING 31 3...

Page 7: ...of the One Way Valve 42 5 5 3 2 Reassembly of the One Way Valve 43 5 5 4 DEMAND REGULATOR 44 5 5 4 1 Demand Regulator Test for Correct Adjustment Fully Assembled 44 5 5 4 2 Inspection of Regulator Bod...

Page 8: ...mbly from the Band Mask Frame 63 6 5 3 Sideblock Assembly Replacement 64 6 6 DEFOGGER VALVE 66 6 6 1 Disassembly of the Defogger Valve 66 6 6 2 Cleaning and Lubricating 67 6 6 3 Reassembly of the Defo...

Page 9: ...f the Demand Regulator 79 6 14 4 Inspection of Demand Regulator Parts 80 6 14 5 Reassembly of the Demand Regulator 81 6 14 6 Unexplained Demand Regulator Steady Flow When Underwater 83 6 15 ORAL NASAL...

Page 11: ...for you to read and understand these signal words CAUTION This word indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert...

Page 12: ...ically biologically or radiologi cally contaminated is extremely hazardous Although the Kirby Morgan Band Mask KMB 18A B 28 may be adapted for use in some contaminated environments special training eq...

Page 13: ...imizing the performance of this helmet Some of the information will depend on the diving situation and the use of associated equipment Many countries have specific laws and rules regarding commercial...

Page 14: ...a contact KMDSI directly at 805 965 8538 E Mail Info KMDSI com or Fax 805 966 5761 You must have a return authorization number RMA from KMDSI prior to the return of any item Upon approval from KMDSI r...

Page 16: ...ystems Inc All rights reserved Document 010518001 Head protector Port retainer Equalizing device Sideblock Port Free flow knob Spider Regulator Hood One way valve The KMB 18B Band Mask shown with opti...

Page 17: ...mercial diving along with designing and making diving equipment for the commercial market The Kirby Morgan Corporation was formed to manufacture commercial diving helmets The copperandbrass heavygear...

Page 18: ...provide an opti mum flow of breathing gas even under heavy work conditions The mask has been tested and conforms to the performance requirements as set forth in Annex II of Directive 89 686 EEC and a...

Page 19: ...rface in a diving bell or out of a submerged habitat The diving control station is the center of the air gas supply communications with the diver and div ing procedures DANGER Decompression diving alw...

Page 20: ...ble or strong line It isimperativethatair gasumbilicalsbemarriedto a strength member in a manner that allows the strength member to receive the strain This will help reduce the possibility of umbilica...

Page 21: ...deck butthediverwouldbe squeezed a very serious accident Although we have se Thedivingcontrolstationcanbeatthesurface in a diving bell or out of a submerged habitat The diving control station is the c...

Page 22: ...63a b The other exit is to the defogger valve free flow valve assembly 83 through 92 The diver controls the flow of gas through the defogger system with the control knob 85 The flow enters the mask an...

Page 23: ...re inflator hoses This allows the diver the capability to inflate variable volume dry suits or buoyancy compensators It is tapped with a 3 8 24 thread orifice standard for American first stage scuba r...

Page 24: ...sk frame on the KMB 28 The rubber mushroom valve 66 is designed to present a resistance to the flow of exhaust gasses Thisisnecessarytopreventthedemandregulator 63a b from turning on a steady flow whe...

Page 25: ...If the standard hood does not fit your head com fortably other sizes are available from your KMDSI dealer 1 5 7 Hood and Face Seal Retainer Bands 15 16 68 The top band 16 and the bottom band 68 fit ar...

Page 26: ...pare parts always insist on Kirby Mor gan Genuine Parts Although other parts may look the same they may not be manufactured to the same standards of quality Improperly manufactured parts can cause acc...

Page 27: ...hipment Use the inspection sheet pro vided to ensure that no damage has occurred during shipment The purchaser must contact the freight carrier and or the KMDSI dealer if the Band Mask has been damage...

Page 28: ...king characteristics Overtightening will strip out the threaded inserts in the Band Mask frame 17 DANGER All parts on the Kirby Morgan 18A B must be adjusted to their proper torque specifications See...

Page 29: ...e are two ways to check the one way valve 104 Check both ways if possible 1 Leavingtheauxiliaryknob 100 open on and not hooked up to the supply hose try to suck air out of the adapter 105 If any air c...

Page 30: ...se two wrenches to connect the umbilical to the KMB 18A B or 28 WARNING Never dive if the one way valve is not operating properly If the hose breaks near the surface a serious injury could result to t...

Page 31: ...to the thinner wire Fig 2 6 Screw in the regulator adjustment knob prior to turning on the diver s breathing gas 2 2 6 Gas Flow Systems Check If the regulator adjustment knob 47 is screwed out all the...

Page 32: ...leed the umbilical Pull the nose block device knob 34 all the way out away from the mask Have the diver install the mask on his her face but do not fasten the hood Do not fasten the head harness spide...

Page 33: ...w for at least 15 seconds then secure If the mask is not going to be used immediately it should be recapped 2 3 3 Auxiliary Gas System If the divers main gas supply fails the diver must have another s...

Page 34: ...e reestablished European C E ONLY In European countries that have adopted C E certification only C E certified cylinders are al lowed to be used and must have a minimum charged capacity available to t...

Page 35: ...ressure A standard Scuba submersiblepressuregaugemustbeconnectedto the high pressure port on the first stage so that the diver can monitor his her auxiliary supply WARNING Neverconnectthemain gas supp...

Page 36: ...r over the front of the mask Pull the hood onto your head and close the zipper taking care not to catch your hair in the zipper You will need to support the mask with your right hand as you do this Us...

Page 37: ...spider and two holes back from the edge of the outermost two legs of the spider If you have a smaller head the mask will need to be tighter and if you have a larger head it will need to be looser The...

Page 38: ...ast breathing resistance The purpose of this adjustment knob is to allow the diver the ability tocompensateforvariationsinumbilicalsupply pressure This adjustment device operates by simply increasing...

Page 39: ...o ensure the supply pressure to the diver is at the proper pressure 2 4 3 Gas Flow Stops A stop of flow in the demand regulator system usuallyindicatesthemaingassupplyhasstopped The diver must first o...

Page 40: ...all out of the stage with the Band Maskoffbutstillattachedtoyourharness it may be very difficult to swim Drowning may result Under normal circumstances a good tender will be prepared to help the diver...

Page 41: ...m r e T w o L n o i s o r r o c h t i w d e r e v o c r o t a c i n u m m o c n i y r e t t a b e r i w h t i w l a n i m r e t n a e l C t h g i r b s i l a t e m l i t n u h s u r b e c a l p e r r...

Page 42: ...s a s i D 3 5 n o i t c e S d l i u b e r t u h s e b t n a c e v l a V r e g g o f e D h g u o r h t s w o l f e e r f k s a M f f o r e g g o f e d e h t d e g a m a d 2 9 y l b m e s s a t a e S 2...

Page 43: ...f r i a p e R d o o h t n e m t s u j d a f o t u o r o t a l u g e R 6 5 n o i t c e S r o t a l u g e r t s u j d A g n i h t a e r b d r a h s i r o t a l u g e R 7 4 b o n k t n e m t s u j d A n...

Page 44: ...n i a t e R t r o P r e p o r p o t 0 3 s w e r c s n e t h g i T e u l a v e u q r o t r o e s o o l 8 6 6 1 s d n a B d e g a m a d r e p o r p o t 5 1 s w e r c s n e t h g i T f i s d n a b e c a...

Page 45: ...r masksusedfor welding burning andjettingoperationsmustbeservicedandinspectedmorefrequently If a situation arises that casts any doubt as to the serviceability of a part or component it should be repl...

Page 46: ...e and drowning 1 Rebuild side block assembly order side block repair kit DSI Part 525 311 See Section 6 5 2 Rebuild demand regulator assembly order regulator repair kit DSI Part 525 309 See Section 6...

Page 47: ...n his her Band Mask in top working condition It is very important to use wrenches of the correct size rather than adjust able wrenches Adjustable wrenches tend to slip and can round the edges of soft...

Page 48: ...pipe threads apply the tape starting two threads back from the end of the fitting Apply the tape in a clockwise Direction under tension 11 2 wraps is all that is needed Applying more than 11 2 wraps o...

Page 49: ...regular basis 5 4 DAILY MAINTENANCE The following steps should be performed daily at the completion of diving operations 1 Disconnect the Band Mask from the diving hose and bail out bottle Make sure t...

Page 50: ...of the nose block device 3 with silicone grease Push and pull the device so the lubricant covers the entire shaft Wipe any excess from the shaft with a clean cloth Fig 5 6 Lubricate the shaft of the...

Page 51: ...ft 3 Retighten the nut just to the point where the nose block device 3 will still slide but it requires a firm push or pull 2 Test the shaft 3 to ensure that it will still slide freely at this time If...

Page 52: ...ench CAUTION Do not use pliers on the main body of the one way valve You may damage the valve if pliers are used As the seat 106 is removed the wiper 107 and the O ring 108 slide out in place in a gro...

Page 53: ...8 wiper 107 on the seat 106 4 Tighten the seat 106 with a wrench while holding the body in a soft jaw vice 5 If the adapter 105 has been removed it should be wrapped with Teflon tape on the ta pered p...

Page 54: ...ly is on to the manifold Check the exhaust valves 62 66 by turning the defogger control knob 85 and the auxiliary control knob 100 off Don the Band Mask with the zipper on the hood 2 open Do not faste...

Page 55: ...avoid bending the shaft 43 Be careful or damage may result to the adjustment shaft 43 5 5 4 2 Inspection of Regulator Body Interior 39 Tools Required 1 4inchFlatBladeAttachmentonTorqueScrew driver 1...

Page 56: ...ent tube to be sure there is no corrosion and the adjustment assembly can travel freely 4 Remove the washer 44 and O ring 45 5 Turn the Band Mask on its side side block 120a b at the top and shake out...

Page 57: ...asher and O ring if necessary Fig 5 19 Install the piston in the regulator Fig 5 21 Tighten the packing nut with the torque wrench 3 Slip the packing nut 46 over the shaft 43 followed by the adjustmen...

Page 58: ...he alternative method 6 KMDSI tools Using the inlet valveholding rod Lshapedrod inserttheendoftherodintointothe balance hole as shown in Fig 5 23 Lightly apply force by pushing on the rod making it ac...

Page 59: ...ng the lever up Note Before bending the lever double check the adjustments It is very rare that the lever ever has to be bent in a regulator that has been in service Usually levers only require bendin...

Page 60: ...e main frame 17 The earphones 10 11 must be pulled out of the earphone pockets as the hood face seal 2 is withdrawn from the main frame 17 NOTE It is extremely important that a good glue joint is main...

Page 61: ...ogether with the screws 15 The top band 16 has three stainless band posts and the bottom 68 has two stainless band posts It is sometimes helpful to run black plastic electrician s tape around the edge...

Page 63: ...ERLY FILL THE SPACE 6 1 GENERAL Thissectioncoversthemaintenanceandrepairof the Kirby Morgan Band Mask 18A B and 28 Correct repairs will result in better communica tions easy breathing and improved ove...

Page 64: ...r Slip Joint Pliers 1 First remove the nose block device knob 34 then the packing nut 33 2 Slip the O rings 32 off the nose block shaft 3 and pull the nose block device out through the interior of the...

Page 65: ...eO ring 26 isin its proper place 4 Clean and lubricate the O ring 31 located on the back side of the port retainer 28 5 Slip the O ring 31 on the small tube that protrudes from the rear of the port re...

Page 66: ...and out WARNING The material used in the face port 27 is very strong However certain chemicals will attack the polycar bonateandweakenit Somesolventsused forgreaseremovalwillattackthepolycar bonate U...

Page 67: ...See Section 6 4 5 on four wire systems 6 4 2 Earphone Inspection To service the earphones remove the hood 2 from the Band Mask first see Section 5 4 for hood removal and replacement The earphones 10...

Page 68: ...ications posts 73 will follow 4 The microphone 12 is of a special design for underwater use It has a felt backing that will absorb salt water to help protect the microphone The microphone should be re...

Page 69: ...placement Tools Required 1 8 inch flat Blade Screwdriver Theearphones 10 11 maybereplacedindividu ally if needed however if one is bad the other earphone will probably need to be replaced soon too 1 R...

Page 70: ...land 76 If the lugs 81 were removed solder them onto the connector wires 4 Check the O ring 74 on the packing gland 76 Replace or lubricate as necessary 5 Install the connector packing gland assembly...

Page 71: ...ert the communications posts 73 into the mask frame 17 4 Install the washer 72 followed by the nuts 71 Tighten the nuts to 15 pounds of torque 5 Wipe off all the excess silicone sealant RTV from the m...

Page 72: ...of the regulator inlet nipple 61b 4 Thesideblockassembly 120b isreadytostart removal The air train 21 that fits over the stud 93 is madeofsoftmaterial Thenut 22 shouldalways be tightened just to 20 i...

Page 73: ...Blade Stubby Screwdriver 1 Remove the nut 22 and washer 23 then the air train 21 Fig 6 23 Loosen the jam nut prior to removing the bent tube Fig 6 24 Pull the bent tube assembly straight out of the r...

Page 74: ...to dissolve unset sealant 3 Next thescrew 25 is removed using the stubby screwdriver 4 The side block assembly 120a b is now unfastened but held in place by RTV silicone sealant that acts as a glue I...

Page 75: ...he KMB 28 the air train standoff 24 will be in stalled on the stud 93 and then the lock washer 19 and the stud nut 20 Torque the nut 20 to its proper setting Torque the screw 25 to its propersetting s...

Page 76: ...a source of breathing gas 6 6 DEFOGGER VALVE 83 THROUGH 92 6 6 1 Disassembly of the Defogger Valve 83 through 92 Tools Required 3 8 inch Slotted Flat Blade Screwdriver 13 16 inch Open End Attachment...

Page 77: ...kbody 94a b 2 Next install the O ring 90 and washer 89 onto the stem 91 2 Next unscrew the bonnet 87 Its O ring 88 willcomeoffwithit Thevalvestem 91 O ring 90 and washer 89 usually come out with the b...

Page 78: ...it is bent 3 Insert the proper end of the stem 91 into the seat assembly 92 and turn clockwise until the seat 92 lightly bottoms out Leave the stem in place 4 Lubricate the O ring 88 and install on th...

Page 79: ...er This could lead to death through suffocation 3 Place the washer 97 and packing 98 on the stem 96 4 Holdingthesecomponentsinplaceonthestem 96 screw the stem into the auxiliary valve body 95 body 95...

Page 80: ...has a hose assembly 119a for gas flow that connects the side block 94a to the inlet nipple 61a of the demand regulator 63a The demand regulator 63a end of the regulator hose assembly 119a has a swivel...

Page 81: ...htsiliconegrease coating stretchontothefitting andslideuntilthe O ring 118a snaps into the groove Fig 6 41 Removing an O ring from an A regulator hose Fig 6 42 Replacing an A regulator hose 6 8 3 Hose...

Page 82: ...With one wrench holdthebenttubemountnut Withanotherwrench turndownthejamnut 61c backingitawayfrom the mount nut The mount nut can then be rotated untilfreeoftheregulatorinletnipple 61b threads It can...

Page 83: ...ricant and pushtheO ringendofthebenttubeassemblyinto the regulator inlet nipple 61b Slide it in until the side block 94b end is aligned with the threads for the mount nut 3 Be sure the Teflon O ring 1...

Page 84: ...reassembly lubricate the two O rings 32 with silicone grease 2 Slide the shaft 3 through the Band Mask frame 17 3 Place both O rings 32 on the shaft 3 fol lowed by the packing nut 33 and the knob 34 4...

Page 85: ...ng If the exhaust valve 62 is high and not sealing lightly press in on the metal cross Theexhaustvalve 62 canremaininplaceduring this Bendthemetalinslightlyuntilthevalve 62 seats 4 Theregulatorexhaust...

Page 86: ...ch the whisker 35 onto the exhaust flange of the regulator Note This step is much easier to do with the regulator removed from the Band Mask frame 17 See Section 6 11 2 3 Attach the screws 38 plate 37...

Page 87: ...frame 6 13 1 Exhaust Valve 66 Removal Tools Required Flat blade screwdriver 1 The cover 65 is removed by unscrewing the two screws 64 If the cover is badly dented so that it interferes with the perfor...

Page 88: ...highly reliable How ever inhalation resistance may be high if not maintained properly If the regulator does not breathe easily the diver cannot work hard and will tire rapidly Simply put If the demand...

Page 89: ...he dia phragm 52 Ifthepurgebuttonistobereplaced using external retaining ring pliers remove the retaining ring 51a spring 51c and button 51d from the cover Fig 6 59 Use the proper socket to remove the...

Page 90: ...holes and pinching of outer edges 3 O rings 45 60 7 Check for irregularities in the rubber Check for cracking 4 Exhaust valve 62 Be sure there is no curling or deformation and that the rubber is in go...

Page 91: ...G The lock nut 53 must always be replaced if removed from the inlet valve 59 The plastic material that locks the nut from unscrewing is not de signed for multiple reuse If the nut was to come loose th...

Page 92: ...4 and the O ring 45 onto the adjustment shaft 43 11 Slide the packing nut 46 onto the shaft 43 then slip the knob 47 onto the end of the shaft 12 Holding the shaft 43 rotate the knob 47 until the pin...

Page 93: ...unt nut 8 may be tightened before installation of the hose assembly 119a Use a backup wrench for this operation 24 Assemble the hose assembly 119a or bent tube assembly 119b to the regulator 63a b and...

Page 94: ...tor mount nut 8 2 Reinstall the microphone 12 3 Reinstall the nose block device 3 as per Section 6 3 3 6 15 4 Oral Nasal Valve Replacement 1 Remove the valve body 53 by pushing it out of the oral nasa...

Page 95: ...mends installing the hot water shroud when diving in waters colder than 40 F 4 C Water supply to shroud assembly should be at least 1 gallon 3 7 liters per minute at a minimum temperature of 105 F 42C...

Page 96: ...flange previously installed in the corrugated tube mates with the side block cover 10 Attach the side block end of the bent tube 119b tothesideblockassembly 120b Tighten with an 11 16 inch wrench 11...

Page 97: ...lens or weld shield assembly kits respectfully 2 Insert the mount screws through the spacer washers and then through the mount ears 3 With the rubber bumpers facing the inside of the helmet weld lens...

Page 98: ...e connector is equipped with a sleeve lock that must be properly aligned before the hose can be disengaged One end of the connector is designed to be at tached to the auxiliary valve assembly 103 whil...

Page 99: ...30 Screw 8 10 61a 550 046 Inlet Nipple A 40 46 61b 550 048 Inlet Nipple B 40 46 61c 550 050 Jam Nut B 100 112 64 530 021 Screw 2 3 69 530 035 Screw 14 16 87 550 020 Bonnet 100 112 93 550 024 Stud side...

Page 100: ...nc All rights reserved Document 010518001 Maintenance Log Kirby Morgan Band Mask Mask Serial Repair Date Work Performed Performed By Checked By Appendix 2 This page may be used as a template for creat...

Page 101: ...MPH Miles per hour Ounces Weight Ounces Liquid Pints Liquid Pounds Pounds Pounds PSI Pounds per Sq Inch PSI Pounds per Sq Inch PSI Pounds per Sq Inch Quarts Square Feet Temperature o F 32 Tons U S Wat...

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Kirby Morgan KMB-18 A/B, Operation And Maintenance Manual

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