Kirby Morgan M-48 MOD-1 User Manual
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User Guide For
M-48 MOD-1
Document P/N 100-801
Kirby Morgan, SuperLite, BandMask, Band Mask, KMB, KMB-Band Mask,
DSI, Diving Systems International, EXO, REX, SuperFlow and DECA are all
registered trademarks of Kirby Morgan Dive Systems, Inc. Use of these
terms to describe products that are not manufactured by KMDSI is illegal.
The two dimensional images (such as photographs and illustrations) of
our products are © copyrighted and trademarks of Kirby Morgan Dive
Systems, Inc. The three dimensional forms of our products are trademark,
trade design and trade dress protected.
© MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. This user
guide is made available for the express use of owner of this Kirby Morgan
product. No part of this user guide may be reproduced, stored in any re-
trieval system, or transmitted, or used in any form or by any means, whether
graphic, electronic, mechanical, photocopy, or otherwise by technology
known or unknown, without the prior written permission of Kirby Morgan
Dive Systems, Inc. known or unknown, without the prior written permission
of Kirby Morgan Dive Systems, Inc. known or unknown, without the prior
written permission of Kirby Morgan Dive Systems, Inc.

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  • Page 1 © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. This user guide is made available for the express use of owner of this Kirby Morgan product. No part of this user guide may be reproduced, stored in any re-...
  • Page 2 IMPORTANT: Please register your purchase online at www.kirbymorgan.com/support/product-registration-form. If you have a problem with the online registration, please contact your Kirby Morgan dealer, or Kirby Morgan directly by calling (805) 928-7772, or email sales@kirbymorgan.com. Kirby Morgan thanks you for your purchase.
  • Page 3: Table Of Contents

    Communications with the M-48 MOD-1 Installing a Communications Port Plug Dewatering and Tilt to Purge Valve Assemblies PRE-DIVE with Open Circuit Regulator PRE-Dive Inspection Donning Donning the M-48 MOD-1 Equalizing © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 4 Adjusting Tension on Pod Hook Accessories/Spares Prescription Lenses Inlet Swivel P/N 305-017 Manifold Block Communications Port Plug P/N 820-155 Over-Pressure Relief Valve P/N 200-017 KMDSI Mouthpiece P/N 810-022L © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 5 Appendix 2 Post-Dive Cleaning and Inspection Appendix 3 Scheduled Maintenance Exploded View Drawing of the M-48 MOD-1 (No Pod) Exploded View Drawing of the SCUBA Pod, P/N 805-015 Records Notes © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 6: Definitions Of Signal Words And Terms Used In This Guide

    If you sell or loan this equipment to another person, be sure that this user guide accompanies the gear when you transfer possession to them. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 7: Introduction

    If you have any questions or comments, please feel free to contact us. Questions on the use and care of this mask should be addressed to Kirby Morgan Dive Systems Inc. Telephone 805-928-7772 or e-mail found at www.kirbymorgan.
  • Page 8 Using the M-48 MOD-1 is very easy, but as with all new equipment, training and practice is the key to enjoyable diving.
  • Page 9 Clean the mask using only a solution of one tablespoon of mild hand dish wash- ing soap, such as Joy or Palmolive, to one gallon of water. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 10: Components Of The M-48 Mod-1

    POD HOOKING AREA MOUTHPIECE POD CATCH/RELEASE REGULATOR POD CATCH/RELEASE TILT VALVE MOUTHPIECE WATER DUMP (On select models) PURGE TUBE BALANCED POD CATCH/ RELEASE POD HOOK WATER DUMP VALVE BODY © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 11 TEMPLE STRAP JAW STRAP STRAP KEEPER HOSE PROTECTOR HOOKING AREA POD HOOK MOUNT TABS ADJUSTMENT KNOB PURGE AREA NOSE PINCH NOSE DAM UNDER CHIN SEAL COMMUNICATION PORTS © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 12: Ce Marking

    The Full Face Mask Model (M-48 MOD-1) Harmonized reference standard EN250 The M-48 MOD-1 serial number is printed on the left side of the upper leading edge of the mask frame. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 13: Diving Modes

    Using the M-48 MOD-1 with Open Circuit SCUBA For open circuit SCUBA, the M-48 MOD-1 is used in much the same way as a half mask and standard second stage regulator. If you have purchased the SCUBA pod P/N 805-015, the Mouthpiece, Long P/N 810-022L is inserted into the pod.
  • Page 14: Surface Supplied Open Circuit Diving Mode

    Surface Supplied Open Circuit Diving Mode The M-48 MOD-1 can be used for surface supplied diving when used with a surface supplied diving system and recommended interface components. The balanced SCUBA regulator and regulators with a bias adjustment de- vice will provide the best overall performance because they allow the user to make adjustments for variations of supply pressure and diver orientation.
  • Page 15: Minimum Equipment For Surface Supplied Diving

    A fully func- tional emergency gas supply system and body harness must always be used when diving the M-48 MOD-1 or any of the KMDSI Full Face Masks models in the surface supplied mode.
  • Page 16: Demand Regulator Adjustment / Surface Supplied

    Mounting Open Circuit Regulators How To Mount Open Circuit Regulators to a Kirby Morgan SCUBA pod https://www.youtube.com/ VIDEO watch?v=cPXJ-VueVy0 © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 17 There must be a retaining lip at the end of the mouthpiece mounting tube of your regulator in order to retain the mouthpiece. Use the included mouthpiece to check the mount tube compatibility. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 18 It is possible to trim the mouthpiece to a shorter length. Using scissors carefully shorten the mouthpiece at the trim edge NOTE notch as illustrated in Figure 1. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 19 Buddy breathing cannot be readily accomplished without a mouthpiece installed. Use of the mask without the mouthpiece could result in death by drowning. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 20: Tools And Components Needed For Installation Of Regulator To Scuba Pod

    DSV into the mouthpiece opening and fit so that the mouthpiece and pod opening are fully seated on the demand regulator/BOV/DSV. Be certain everything is properly aligned, (straight). © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 21 Pre-Dive Insert the mouthpiece into the pod first. The end of the mouthpiece must align evenly with the end of the mouthpiece tube on the pod. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 22 Pull as tight as possible by hand or use a tie wrap installation tool. Cut © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 23 KMDSI or Dive Lab Inc. If ignored, signs of improper function may lead to compromised air deliv- ery which could lead to accidents that can cause injury or death. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 24: Regulator Hose

    If © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 25: Installation/Removal Of Mask Strap

    The mask strap cannot be removed from the mask without removing the Strap Keeper. Installing the strap keeper should be installed after the strap has been threaded through the buckle assembly. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 26: Cleaning The Face Port And Interior Surfaces

    NOTE Cleaning the Face Port and Interior Surfaces The M-48 MOD-1 frame and pod components are made of high impact plastic. The flexible face seal and pod skirts are molded of high grade injection molded liquid silicone.
  • Page 27: Communications With The M-48 Mod-1

    You will now need to plug the communications port. Install the communication port plug as shown, curved side towards the diver’s face. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 28: Dewatering And Tilt To Purge Valve Assemblies

    Failure to inspect the mask prior to diving or being unfamiliar with the gear may lead to an accident resulting in injury or death. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 29: Pre-Dive With Open Circuit Regulator

    ® bymorgan.com/support/checklists to ensure that a methodical inspection 1430 Jason Way Santa Maria, California 93455 of the M-48 MOD-1 and all related gear is completed before each dive. This Phone: 805/928-7772 Fax: 805/928-0342 will ensure all components are in proper working order prior to water entry.
  • Page 30 The top strap is mainly used to locate the rear mask strap junction. If you feel it is necessary to adjust it, do so after all side straps have been adjusted. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 31: Equalizing

    Engage the hook on the pod onto the left side of the mask frame, just above the Jaw Strap. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 32 Catch (two clicks) and in the dive mode position. Dewater pod - To dewater the pod refer to “Dewatering Basics” on page 37. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 33 Kirby Morgan has designed a unique attached hood made specifically for this mask. It gives the optimum positioning and sealing onto the mask and comes in standard and large sizes. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 34 Once the basic maneuvers have been practiced and the user is comfortable, for the initial use of the M-48 MOD-1 it is recommended the user move into a calm, shallow, controlled body of water (5–10 feet, 1.5–3 meters, in depth) to repeat the donning and doffing drills that were practiced in the dry.
  • Page 35 With the mouthpiece secured and demand regulator/BOV/DSV cleared, the system will NOTE act in the same manner as a traditional mask and second stage when SCUBA diving. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 36 Lower (oral) cavity and out the dewatering/purge valve at the base of the pod frame. When using a KMDSI Balanced SCUBA Regulator with the M-48 MOD-1 it is simply a matter of attaining a face forward position, with the mouthpiece in your mouth, and exhaling through your nose while using one hand to lift the bottom of the lens frame away from the face.
  • Page 37 If pod is equipped with tilt to purge activate valve while exhaling. The lower cavity should be clear of water within two to three exhalations from the nose. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 38 Post Dive Procedures/Checklist Completely inspect the M-48 MOD-1, soft pod and all related gear after each dive in accordance with the checklist in the following Post-Dive Cleaning and Inspection to ensure that all components are in proper working order.
  • Page 39 Never use cleaning sol- vents or petroleum-based chemicals on this mask. During a standard overhaul, parts should be cleaned in a warm water and © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 40 After ten minutes, thoroughly rinse components under fresh (potable) running water while brushing or rubbing components. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 41 Also refer to the parts information included NOTE in “Exploded View Drawing of the M-48 Mod-1 (No Pod)” on page 52. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 42 This assembly is ONLY used with the Kirby Morgan Balanced Page 1 of 1 © MMXVI Kirby Morgan Dive Systems, Inc. All Rights Reserved Document # 160824003 SCUBA regulator. NOTE © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 43 Proper fit will show no signs of bulging or dis- placement on the tube with alignment of the tube pointing upwards. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 44 Valve orientation allows breathing gas and water to exit the pod when installed correctly. NOTE Install the tilt to purge valve assembly from the front of the tube end on rubber skirt of pod. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 45 & screws to finalize adjustment. Accessories/Spares Prescription Lenses The following website is available to install prescription lenses onto your M-48 mask: prescriptiondivemasks.com © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 46 (non-return). Communications Port Plug P/N 820-155 If communications have been removed, the Communi- cations Port Plug allows the mask to be used without communications. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 47 Kirby Morgan’s Balanced SCUBA regulator. If you need a replacement, or just a spare on hand, ask for mouthpiece P/N 810-022L. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 48 /MOD-1 modular full face mask will have the benefit of securing their back up, bailout or decompression gas directly to the mask with the continued benefits of the modular full face mask. © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 49 fi rm that the skirt in not folded under itself and sits properly on the face. Page 1 of 1 © MMXVI Kirby Morgan Dive Systems, Inc. All Rights Reserved Document # 160824001 © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 50 Dry and store mask and pod out of sunlight and fl uores- cent light, preferably in protective bag or pouch. Page 1 of 1 © MMXVI Kirby Morgan Dive Systems, Inc. All Rights Reserved Document # 160824002 © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 51 Daily semblies And Strap Keepers. Inspect Nose clearing device Daily Page 1 of 1 © MMXVI Kirby Morgan Dive Systems, Inc. All Rights Reserved Document # 160824003 © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 52 Exploded View Drawing of the M-48 Mod-1 (No Pod) Exploded View Drawing of the M-48 MOD-1 (No Pod) © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 53 © MMXX Kirby Morgan Dive Sy © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 54 Exploded View Drawing of the SCUBA Pod, P/N 805-015 Exploded View Drawing of the SCUBA Pod, P/N 805-015 © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 55 Records Records Mask Serial Number: Balanced SCUBA Serial Number: Date of Purchase: KMDSI Dealer: Dealer Phone Number: Dealer Email or Website: Notes © MMXXI Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 210902002...
  • Page 56 1430 Jason Way, Santa Maria, CA 93455 Phone: 805/928-7772 Fax: 805/928-0342 www.kirbymorgan.com E-mail: kmdsi@kirbymorgan.com...

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