Dive Lab KIRBY MORGAN KMB 18 User, Operator Course Download Page 7

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KMB 18/28 (BANDMASK)

MAINTENANCE AND INSPECTION

•

A2.1 inspection and maintenance should be
performed at least annually

•

Frequency of maintenance is dictated by
condition revealed during daily/monthly
inspection

•

Monthly inspections determine necessity for
overhaul with more accuracy than simply placing
a number of hours of use

Summary of Contents for KIRBY MORGAN KMB 18

Page 1: ...KMB 18 28 BANDMASK USER OPERATOR COURSE...

Page 2: ...erved 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 in any retrieval system or transmitted or used in any form...

Page 3: ...tion This course provides guidance on how to use the KMB 18 and 28 Use of these masks will vary with the type of work and environmental conditions The basic procedures of donning and removing masks wi...

Page 4: ...KMB 18 28 BANDMASK Introduction This class is intended for divers who have previously been commercially or militarily trained in the use of commercial dive equipment...

Page 5: ...the use of previous Kirby Morgan masks i e KMB 8 9 10 Navy MK 1 mask Navy MK 21 helmet Navy Mk 22 mask or SuperLite helmets will find that KMB 18 28 Band Masks have the breathing system controls locat...

Page 6: ...block components are designed to work with pressures as low as 90 psig over bottom when diving to depths of 60 fsw or shallower and as high as 225 psig O B when diving deeper This wide operating range...

Page 7: ...and maintenance should be performed at least annually Frequency of maintenance is dictated by condition revealed during daily monthly inspection Monthly inspections determine necessity for overhaul wi...

Page 8: ...SPECTION Masks being used in polluted waters or extreme environments will require more frequent inspection KM18 28 band masks should not be used for Polluted contaminated waters Hamlets KM37 are prefe...

Page 9: ...e block Regulator are the same as on the KM37 SL27 parts are interchangeable KMB28 s manufactured before 2004 used small bore super flow regulator SL17 reg Lexan Face port on KMB28 is smaller All othe...

Page 10: ...stic Frame Band Masks Older KMB 28 s 9 s and 10 s use smaller face port retainers Tab between side block and port retainer Newer face port retainers will NOT fit This type of frame is no longer manufa...

Page 11: ...eps the mask in place on the divers head The neoprene rubber spider has adjustment holes for varying the tension of the harness Hood Face Seal provides the diver a comfortable thermal barrier around h...

Page 12: ...KMB 18 28 Features Steady Flow Valve provides an additional flow of air into the mask for ventilation and defogging Auxiliary Valve EGS supplies backup breathing gas to the diver...

Page 13: ...gas pressure in the event of umbilical damage preventing a squeeze Communications Connections can be either bare wire posts or a waterproof connector The waterproof type is recommended when a round r...

Page 14: ...KMB 18 28 Features Tri Valve Exhaust Whisker which retrofits to Band Masks has less breathing resistance than the older single valve exhaust while providing an extremely dry hat...

Page 15: ...KMB 18 28 Features Demand Regulators The SuperFlow350 KMB 18 and KMB 28 regulator provides easy breathing for hard work Water Exhaust automatically keeps water drained from the mask...

Page 16: ...KMB 18 28 Features Silicone Oral Nasal Mask is made of a superior silicone material which is hypo allergenic Nose Block Device allows the diver to block the nose to equalize ears...

Page 17: ...KMB 18 28 Pre dive inspection KMB Band Masks are designed to fit most divers No special pre dive adjustment must be made other than securing the spider with the proper tension for the diver s head...

Page 18: ...KMB 18 28 Custom Hood Divers with smaller heads a custom made hood can be specially ordered Contact your Kirby Morgan dealer for more information on this product...

Page 19: ...KMB 18 28 Pre Dive Inspection Demand Regulator cover assembly should not be dented and the purge button must work Bent tube no dents or kinks in the assembly Face port must be in good condition...

Page 20: ...KMB 18 28 Pre Dive Inspection Spider must be in good condition Rubber must not be torn or cracked All five legs present...

Page 21: ...KMB 18 28 Pre Dive Inspection Loosen band screws Loosen band keeper screws if installed...

Page 22: ...KMB 18 28 Pre Dive Inspection Remove the Earphones from their pockets in the Hood...

Page 23: ...18 28 Pre Dive Inspection Hood and Face seal Good condition with no tears or rips tears in the face seal can cause the regulator to free flow Face seal must be properly glued to the hood Lubricate zip...

Page 24: ...KMB 18 28 Pre Dive Inspection Visually inspect all metal parts of the Band Assembly and band keeper components including the Band Screws for damage Replace if necessary Guidance O M Manual...

Page 25: ...KMB 18 28 Pre Dive Inspection Visually inspect mask exterior and interior Loose or missing fasteners Obvious signs of damage Cracks gouges and or depressions...

Page 26: ...KMB 18 28 FRAME ASSEMBLY KMB 18 has a Fiberglass frame with comfort insert KM28 KMB 9 10 and MK1 frames are made of ABS plastics...

Page 27: ...KMB 28 FRAME ASSEMBLY Cracks in KM28 9 10 frames can not be repaired Navy MK 1 frames will except KM parts...

Page 28: ...KMB 28 FRAME ASSEMBLY KMB 28 frames should not be use for extended burning welding ops Face port inserts deteriorate over time due to electrolysis Inserts cannot be replaced on plastic frames...

Page 29: ...KMB 18 FRAME ASSEMBLY KMB 18 Frame is repaired the same way as the KM Fiberglass Helmets On the KMB 18 any gouges in the fiberglass shell deeper than 1 16 should be repaired...

Page 30: ...and gel coat repairs MUST be completed by a technician that has received certification for Helmet Shell repairs by KMDSI or Dive Lab Inc Any cracks or depressions with fractures must be checked by an...

Page 31: ...KMB 18 28 MASK ASSEMBLY Remove covers from earphones Remove microphone from the Oral Nasal Mask Inspect and repair replace as necessary Perform a communications check...

Page 32: ...ose Clearing Device Clean and inspect the Nose Clearing Pad and Shaft Inspect Nose Clearing Device O Rings Inspect Oral Nasal Mask and Oral Nasal Valve as an assembly Clean inspect Mask and Valve Asse...

Page 33: ...KMB 18 MASK ASSEMBLY Remove the Comfort Insert KMB 18 only Clean and inspect the Comfort Insert for damage and or deterioration...

Page 34: ...KMB 28 MASK ASSEMBLY The KM28 9 and 10 do not have comfort inserts...

Page 35: ...KMB 18 MASK ASSEMBLY Remove the Main Exhaust Valve Cover and inspect Main Exhaust Dewatering Valve Inspect Seat for damage and or contamination...

Page 36: ...KMB 28 9 10 MK1 BANDMASK MASK ASSEMBLY Water dump valve assemblies are molded into Plastic frames If any damage is percent it cannot be repaired replace frame...

Page 37: ...KMB 18 28 MASK ASSEMBLY Tri Valve exhaust system will fit KMB 18 28 9 and 10 No frame modifications required...

Page 38: ...KMB 18 28 Band Keeper Kit Introduced in 2003 Will fit all KMB masks Requires new hood Bands are inserted into hood...

Page 39: ...KMB 18 28 Band Keeper Kit Prevents hood retaining band from separating from frame All masks manufactured after 2004 come with kit installed...

Page 40: ...KMB 18 28 Band Keeper Kit KM Technicians should install kits on all band masks manufactured before 2004 Kit 525 172...

Page 41: ...KMB 18 28 Ordinal Hood Oct 2009 KM stopped manufacturing old style hoods Old style hoods should be Replaced...

Page 42: ...KMB 18 28 Pre Dive Check all moving parts Regulator adjustment knob Defogger control knob Emergency EGS knob Nose block device...

Page 43: ...KMB 18 28 Pre Dive Pre dive checks on air train are identical to KM helmets Connect EGS System Main Gas Umbilical Connect comms...

Page 44: ...KMB 18 28 Pre Dive Hold mask to face and check breathing Check communications...

Page 45: ...r until he is thoroughly at home with the mask this will train for familiarity Tender must be present to assist the diver and check to ensure that the diver has properly donned his equipment It is imp...

Page 46: ...KMB 18 28 Donning and Removing Mask Open the regulator adjustment knob and the defogger control knob for a steady flow from both just prior to the diver dressing into the mask...

Page 47: ...KMB 18 28 Donning and Removing Mask With the diver holding the mask the tender should now connect the quick disconnect fittings for the bailout supply...

Page 48: ...epare the mask for donning by yourself close the zipper until only the last six inches are open Fasten every leg of the spider except the one on the bottom left Pick the mask up with both hands and fo...

Page 49: ...Removing 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 Use your left han...

Page 50: ...While you continue to support the mask with your right hand use your left hand to fasten the remaining leg of the spider to your left As a standby diver it is essential for you to be able to don your...

Page 51: ...KMB 18 28 Donning and Removing Mask For most divers mask is most comfortable when the spider is adjusted so that the top three legs of the spider are tighter than the bottom two...

Page 52: ...8 28 Donning and Removing Mask If you have an average size head the adjustment most divers find comfortable is three holes back on the top three legs and two holes back on the two bottom legs of the s...

Page 53: ...u may find a different adjustment to be more comfortable depending on the size of your head Mask should feel comfortably snug against your face out of the water There will be some compression of the f...

Page 54: ...is heavy out of the water it will be almost unnoticeable underwater Your tender may assist you in donning your mask if you prefer The procedure is the same as donning by yourself except that your tend...

Page 55: ...onning and Removing Mask You will still need to support the weight of the mask while your tender fastens you in To help keep the bib of your hood from floating up you tuck the bib of the hood under yo...

Page 56: ...ng System Test the defogger system by turning on and off the defogger control knob steady flow Regulator should be adjusted by turning the adjustment knob out until a slight free flow starts then back...

Page 57: ...System Demand regulator checked for proper function breathe in and out Inhalation and exhalation effort should be nearly unnoticeable Press in on the purge button in the regulator cover Should produce...

Page 58: ...sibility of the diving supervisor to always ensure that all pre dive checks have been properly conducted prior to allowing the diver to enter the water For the most current pre dive checks consult the...

Page 59: ...KMB 18 28 Summary Maintenance Inspection Features Pre Dive inspection...

Page 60: ...KMB 18 28 Summary KMB 18 fiberglass frame KMB 28 plastic frame Band Keeper Kit Donning Mask...

Page 61: ......

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