CFA MSA G1 Classic Reference Manual
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CFA MSA G1 Classic Reference Manual

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MSA G1 Classic
Breathing Apparatus
Reference Manual
This manual is published for use within CFA in conjunction with participation in a
course of instruction.
It has been developed having regard to current CFA occupational health and safety
guidelines and "Safety First" principles.
Edition 1
December 2019

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Summary of Contents for CFA MSA G1 Classic

  • Page 1 MSA G1 Classic Breathing Apparatus Reference Manual This manual is published for use within CFA in conjunction with participation in a course of instruction. It has been developed having regard to current CFA occupational health and safety guidelines and “Safety First” principles.
  • Page 2 CFA makes this information available on the understanding that you take reasonable care w hen using it. If you have any uncertainty about the application of the information to your particular circumstances you should obtain professional advice.

  • Page 3: Table Of Contents

    General Description and Specifications of the G1 C ............8 Precautionary Safet y Meas ures ..................10 Chapter 2 Cylinder and Components ..............13 Cylinder ........................13 MSA G1 Classic BA ....................... 19 Components ........................20 Chapter 3 Operation ....................39 Functional Pre-Operational Check .................. 39 Visual Inspection ......................
  • Page 4 Contents Cleaning of Facemask ....................88 Cleaning the DS U ......................92 Storage of the BA ......................92 Abbreviations......................93 Acknowledgements ....................93 SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 5: Foreword

    An additional safety feature of the MSA G1 Classic BA is the ability to attach, through a buddy breathing line, to other users.

  • Page 6: Introduction

    CFA Class 5 brigades (as well as MFB and Ambulance Victoria);  CFA Class 4 brigades that support CFA Class 5 brigades that have a pumper or a pumper tanker. There are been a few exceptions to this. ...
  • Page 7 100 bar; and  a series of different alarms (including motion alarms) built into a dual gauge (i.e. both digital and analogue) control module. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 8 MSA G1 C and the procedures and process are still the same. Refer to the MSA G1 Electronic manual for information about the components and operation. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 9: Related Resources

    To identify additional and other related resources available, CFA members should search the Members Online website using the title and key terms from this publication. The website also contains the current CFA policies and procedures. Familiarity with these will enable you to appropriately apply your learning.
  • Page 10 Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 11: Chapter 1 Specifications And General Precautionary Safety Measures

    Entry Officer is stationed at this point, and this is where BA tally tags are deposited and collected. The BA Control Officer is in charge of the overall control of the BA operations. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 12: General Description And Specifications Of The G1 C

    Fully operational weight (including 12.46 kg cylinder) Standards NFPA, NIOSH, EN, British and Australian Low pressure warning whistle Operates at 55 ± 5 bar Carry handle capacity 180 kg SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 13 Intrinsically safe and tested to standards ATEX II 1G Ex ia IIC T3 / T4 Ingress protection rating (protection IP67 (dust tight and protected against against intrusion) immersion) Flame engulfment EN 137 Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 14: Precautionary Safety Measures

    BA cylinder pressure of approximately 100 bar, notwithstanding a dynamic risk assessment, should be allowed for exit/wash down activities. BA cylinder pressure of approximately 110 bar is required for hazmat decontamination. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 15 Other types of personal protective equipment Other types of personal protective equipment (PPE) worn during use of the BA must also meet the prescribed standards. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 16 Specifications and General Precautionary Safety Measures Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 17: Chapter 2 Cylinder And Components

    The compressed air cylinder used with the G1 C BA is a carbon wrap, aluminium composite cylinder with a fibreglass outer wrap. These layers are then coated in a final resin layer. Figure 1 – Dräger 300 bar cylinder Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 18 The purpose of the excess flow valve is to reduce the rate of escaping air if required, so that the cylinder does not become a projectile. It does not affect performance during normal use. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 19  scratches or gouges in the resin layer of the cylinder have displaced carbon fibres; or  any other damage is suspected. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 20 Only use the cylinder after receiving proper training. Do not alter, modify or substitute any components without approval from the State PPE&C Management Centre or adhering to CFA procedures. Inspect the cylinder before and after use. Do not use the cylinder if it is outside the hydrostatic testing date.
  • Page 21 Cylinders can only be filled (charged) by trained persons at approved filling stations. The cylinder is hydrostatically tested every five years by the State PPE&C Management Centre. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 22 To carry a cylinder, it can be by cradled cradling in your arms or by holding the body of the valve.    Figure 4 – carrying a cylinder SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 23: Msa G1 Classic Ba

    (left hand side). Figure 6 – RFID symbol The passive RFID chips can be used by the State PPE&C Management Centre. This function is not available to operators. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 24: Components

    (a shock absorber on the underside of the pressure reducer); and  lower brackets for the pressure reducer. The G1 C BA is National Fire Protection Association (NFPA) and European Norm (EN) flame engulfment certified. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 25 Dragging handle Carry handle Battery securing clips Pressure reducer lower bracket Bumper Figure 7 – MSA G1 carrier frame Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 26  a chest strap. Quick release Shoulder straps function on cylinder retaining strap Attachment points Figure 8 – outside of the MSA G1 harness assembly SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 27 The inside and outside of the shoulder straps are identifiable by the print or stitching. A facemask clip can also be attached to either shoulder strap. The demand valve is positioned on the left shoulder strap. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 28 The waist belt features a quick release buckle mechanism that sits against the operator’s body to prevent inadvertent release of the waist belt. Figure 12 – quick release buckle – open Figure 13 – quick release buckle – closed SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 29 The pressure reducer contains the primary low-pressure warning whistle (lpww). The low-pressure warning whistle activates when the cylinder air pressure reaches 55 +/- 5 bar and draws down 5 lpm of air when activated. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 30 If the relief valve is still operating, withdraw the BA set from service, quarantine it and return to the Sate PPE&C Management Centre. Cylinder wheel Cylinder connection Medium pressure line rings pressure warning whistle Figure 14 – pressure reducer SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 31 This whistle continues to operate even when the set has no power. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 32 The demand valve is indexed to the facemask, which means it can only be inserted one way (i.e. grey button at the top, red button at the bottom). SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 33 When in safe atmospheres with no demand valve attached, ambient air can be inhaled directly through an open port which facilitates normal breathing and speaking with minimal resistance. The speech diaphragm improves voice projection for clearer communication. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 34 Full face Soft rubber seal polycarbonate visor Speech diaphragm Nose cup Inhalation valve Figure 17 –facemask Inhalation mushroom valves Exhalation valve Figure 18 – inhalation and exhalation valves SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 35 (chin straps) then middle tabs (temple) and finally the top tab (head strap). 5-point head harness Connection demand valve Figure 20 – facemask head harness Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 36 As there is little to no resistance from this egress flap, it will release before any additional damage is done to the gauge. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 37 LEDs for motion and manually activated alarm are visible from the front, top and sides. Status LED LEDs button Manual alarm button buttons Figure 23– MSA motion scout Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 38 Operators are not to change the batteries in the DSU. If this alarm is noticed the DSU must be returned to the State PPE&C Management Centre with an attached fault report. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 39 When two BA are linked via the buddy breather connections, the air will be taken from the pressure reducer with the highest pressure no matter what the cylinders’ pressure are. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 40 . If unable to exit immediately, call for help and remain calm. Female CEJN coupling Male CEJN coupling Figure 24– buddy breather SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 41 DRA and situational awareness BA operators should not place themselves in a position where the need to use the buddy breathing line is required. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 42 Notes ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 43: Chapter 3 Operation

    Only use the BA in the way that the manufacture intends it to be used. Visual inspections are carried out before, during and after use, a minimum of weekly or at change of shift. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 44 Check that there is no warping of the rubber seal. Check that there is a secure fit of the lens ring. Ensure the exhalation valve is clean. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 45 Demand valve. Ensure that the demand valve is clean and dry. Ensure the O-ring and seal ring are clean and not damaged or missing. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 46 Ensure that the lumber support is securely attached. Pressure gauge. Ensure the needle and gauge face on the pressure gauge are clearly visible. Ensure the gauge stem is not bent. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 47: Changing The Cylinder

    Remove the used cylinder. Release the tension of the cylinder retaining strap by unfastening the Velcro and lift the buckle Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 48 Slide the cylinder out from under the retaining strap. Prepare the cylinder. Obtain a new cylinder. Remove the blue plastic plug by hand. Do not use high pressure to blow the plug out. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 49 Align and connect the pressure reducer to the cylinder by rotating the green cylinder handwheel. Ensure the cylinder is mounted straight on the back plate. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 50 PARK button (the red button on the underside of the demand valve). Turn the BA cylinder on. Listen for the mechanical whistle as the set is turned on. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 51  repeat the operation suitability test (high pressure test) If test continues to fail, return the set to State PPE&C Management Centre with a fault report. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 52: Functional Test

    If the BA has passed the visual inspection successfully, conduct the functional test. Perform the function test Follow these steps to perform the function test. Step Description Photos Set-up. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 53 Ensure the set is in PARK by pressing the PARK button (the red button on underside of demand valve). Turn the BA cylinder on. Listen for the mechanical whistle as the set is turned on. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 54 If test continues to fail, return set to the State PPE&C Management Centre with a fault report. Release the pressure in the BA. Push the demand valve on the PURGE button to release the pressure in the BA. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 55 Turn on the DSU. Do not move the DSU. Ensure it goes into first alarm (after approximately 25 seconds). Cancel the first alarm by moving the DSU. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 56 Activate the MANUAL ALARM, by depressing the centre button. Turn off the DSU.  Hold the ON/OFF button and the ALARM button concurrently for a minimum of four seconds. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 57: Chapter 4 Donning And Doffing

    (buddy breathing). Flash Hood Do not use head coverings such as flash hoods under the head harness. The flash hood must be worn over the head harness. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 58 Put the flash hood on, so that the opening of the hood is around the neck. Pull hood back over the head. The face should line up with the opening of the flash hood. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 59 Don the structural/bushfire jacket, fully closing the front zip. Raise the collar on the jacket and do it up. At the temples slide the fingers under the flash hood. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 60 Don BA as per donning procedures. Reposition the flash hood. Pull the face opening from off the collar back over the head. Ensure the neck strap sits inside the flash hood. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 61 Continue the donning BA procedure from Step 8.2, Chapter 4. Do not wear a wet or dirty hood. Wash the flash hood after every incident where smoke has been encountered. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 62: Don The Ba Set

    Failure to follow these warnings can result in serious personal injury or death. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 63 Fit the flash hood to step 3 of the ‘Donning the flash hood’ procedure. Loosen the shoulder straps to their full extent. Loosen the waist belt straps to their full extent. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 64 90 seconds. Slide the left arm through the left shoulder strap. The left strap contains the demand valve and mask. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 65 Place the neck strap of the facemask over the head. Ensure the neck strap is touching the neck, and is not on the outside of the flash hood. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 66  release the tab and pull up or down to ensure the lumber support is locked in  reconnect the waist belt SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 67 Fully open the cylinder valve. Listen for audible leaks. Listen for a short, sharp chirp from the mechanical low pressure warning whistle. This indicates the warning whistle is functioning. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 68 For stowage on appliances and to commence operations the pressure in the cylinder must be 250 bar or more. Fit the facemask. Place the five-point head harness over the head. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 69 Release the demand valve and let the facemask sit back onto the face. Check the purge function by pushing the PURGE button at the front of the demand valve. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 70 The PURGE button should reset after being released, as it is spring loaded. Complete donning. Continue to fit the flash hood from Step 4 of the Don the flash hood procedure. Fit the helmet. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 71 If the BA passes all tests, it is ready for use. These tests must be performed every time before using the BA. If the BA fails to pass any of the tests, the condition(s) must be corrected before using the BA. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 72: Distress Signal Unit

    If the operator does not move during pre-alarm period, the full alarm will sound after approximately 15 seconds. Cancel Press the manual ALARM button twice within alarm one second. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 73 Battery at A short acoustic warning is emitted followed by a red flashing of the status end of life LED. Advice the State PPE&C Management Centre. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 74: Post Incident Wash-Down

    Wash down must occur at the conclusion of every operational or training activity. BA set pressure of approximately 100 bar, notwithstanding dynamic risk assessment, should be allowed for exit/decontamination activities. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 75: Doff The Ba Set

    Check the pressure in the cylinder. Retrieve BA tally tag from the BA Control/Entry Officer. Re-attach the BA tally tag onto the spring clip. Remove gloves. Remove helmet. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 76 Remove the facemask and harness from the head. The facemask must remain hanging around the neck by the neck strap. It can be clipped into the spring clip on the left-hand shoulder strap SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 77 Remove the BA set from the back. Undo the waist belt. Press on the inside of the belt buckle to release. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 78 Remove the neck strap from around the neck. Maintain control of the facemask at all times to stop it from swinging around. Remove the right arm out of the shoulder strap. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 79 Re-stow the BA for travel or storage. Place the BA into the bracket inside the BA locker on the appliance or place in the storage area at the training ground. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 80 If the set does not need to be decontaminated on site, make sure it is identified so that it can be recommissioned back at station or training ground SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 81: Doff The Flash Hood

    Slide the face opening back over the head so that it is sitting over the jacket collar. Continue the Doff BA procedure from step 2 in chapter 4. Remove the flash hood. Remove the jacket. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 82 Inspect flash hood for damage. Arrange for cleaning if required. Flash hoods must be washed after every incident where smoke has been encountered. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 83: Emergency Shared Air Procedure (Buddy Breathing)

    This is imperative as the provider is not the one in trouble and therefore should be calmer and more focused on handling the situation. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 84 Description Photos A radio message must be sent immediately to the BACO or Incident Controller. Follow CFA SOP 9.15 Mayday Radio Procedure: 1. Press the duress button on the radio, hold for two seconds and as soon as possible press the PRESS to TALK key to transmit the following information.
  • Page 85 Removes it from the pouch. The provider identifies the female coupling of the receiver’s buddy breather manifold from the quick connect coupling Remove the rubber protective dust cover. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 86 2.11 The provider checks for secure engagement by pulling on the quick connect fittings to ensure that the female coupling does not separate from the male nipple. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 87 Replace the rubber protective dust cap on the manifold fittings. Each manifold has both a male and female quick-connect fitting that can either supply or receive air. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 88 A replacement wearer should enter to provide assistance to the casualty if still required. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 89: Chapter 5 After-Use Care And Maintenance

    Cleaning the BA can be done before doffing for removing contamination from the set. The complete set can be washed if necessary, for example if there is potential asbestos contamination. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 90 Do not use any cleaning products that can or might attack any part of the BA. Do not use alcohol, acetone, trichloroethylene, organic solvents such as nitrous dilution, spirits, thinners, gasoline or petrol. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 91 Do not dry in direct sun light. Cleaning: light soiling. Clean the BA manually using a damp cloth while wearing Nitrile gloves Air-dry the BA completely. Do not dry in direct sun light. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 92: After Doffing

    Do not use alcohol, acetone, trichloroethylene, organic solvents such as nitrous dilution, spirits, thinners, gasoline or petrol. Face masks must be cleaned individually to prevent cross-contamination. Only totally clean BA components can be effectively disinfected. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 93 If running water is not available, soak and rinse the facemask in clean water and agitate thoroughly to ensure the water can rinse the exhalation valve assembly. Replace the water for each mask. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...
  • Page 94 Ensure that the demand valve is completely dry prior to reconnection of facemask and the re-stowage of BA. Under no circumstances should pressurised air be used to dry the facemask. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...
  • Page 95 Non-approved heat drying equipment is not to be used for facemask drying under any circumstances. Do not dry the facemask by placing in direct sunlight. Facemask drying in an approved cabinet should not exceed 50°C. Edition 1 – December 2019 SAFETY FIRS T MSA G1 Classic Breathing Apparatus...

  • Page 96: Cleaning The Dsu

    Ensure the facemask head harness adjustment straps are fully extended.  Do not store any loose objects in the facemask bag.  Always store the facemask in bag. SAFETY FIRS T Edition 1 – December 2019 MSA G1 Classic Breathing Apparatus...

  • Page 97: Abbreviations

    CABA = compressed air breathing apparatus BACO Breathing Apparatus Control Officer Country Fire Authority Crew Leader distress signal unit G1 C MSA G1 Classic self-contained breathing apparatus Incident Controller personal floatation device Personal protective equipment/clothing push-to-connect RFID radio frequency identification chip Acknowledgements The following resources where used with permission in the development of this manual.

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