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Nuclear

Biological

Chemical

AIRCREWAIRCREW CBR ENSEMBLECBR ENSEMBLEFitting ProceduresFitting Procedures

Chemical

Biological

Radiological

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TERMINAL OBJECTIVETERMINAL OBJECTIVE

2.3.0 To familiarize Flight Equipment 2.3.0 To familiarize Flight Equipment personnel with the proper procedures for personnel with the proper procedures for correctly fitting aircrew with all components of correctly fitting aircrew with all components of the Aircrew CBR ensemble.the Aircrew CBR ensemble.

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ENABLING OBJECTIVESENABLING OBJECTIVES

2.3.1 Discuss the procedures for mask fitting.2.3.1 Discuss the procedures for mask fitting.2.3.2 Perform procedures for orinasal mask 2.3.2 Perform procedures for orinasal mask

sizing.sizing.2.3.3 Perform procedures for hood sizing2.3.3 Perform procedures for hood sizing2.3.4 Perform procedures for fitting of nose 2.3.4 Perform procedures for fitting of nose

occluder.occluder.2.3.5 2.3.5 Discuss final fitting and adjustment Discuss final fitting and adjustment

procedures.procedures.2.3.6 Discuss the procedures for BTN fitting.2.3.6 Discuss the procedures for BTN fitting.

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OVERVIEWOVERVIEW

IntroductionIntroduction Initial sizing, fitting and adjustmentInitial sizing, fitting and adjustment

– Orinasal maskOrinasal mask– HoodHood– Nose occluderNose occluder

Final fitting and adjustment Final fitting and adjustment Fitting of BTNFitting of BTN

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INTRODUCTIONINTRODUCTION

The procedures shall be performed at the The procedures shall be performed at the designated organizational maintenance level designated organizational maintenance level by a qualified Aircrew Survival by a qualified Aircrew Survival Equipmentman.Equipmentman.

NOTENOTETo make up a complete assembly, the To make up a complete assembly, the

appropriate mask assembly and nose appropriate mask assembly and nose occluder kit must be individually requisitioned.occluder kit must be individually requisitioned.

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INITIAL SIZING and INITIAL SIZING and FITTINGFITTING

Mask Preparation Mask Preparation – Select proper mask sizeSelect proper mask size– Remove rubber blanking plugs if nose Remove rubber blanking plugs if nose

occluder is to be used.occluder is to be used.

NOTENOTE

Retain blanking plugs for future use if mask Retain blanking plugs for future use if mask is converted to variant 1is converted to variant 1

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ATN SIZING and ATN SIZING and FITTINGFITTING

Orinasal mask sizingOrinasal mask sizing– Invert hood to expose the maskInvert hood to expose the mask– Hold mask firmly to faceHold mask firmly to face– Crimp hoses so no air can be breathed Crimp hoses so no air can be breathed

throughthrough– Inhale deeply to test mask seal Inhale deeply to test mask seal

Video

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ATN SIZING and ATN SIZING and FITTINGFITTING

Hood sizingHood sizing– Don skull cap and/or headbandDon skull cap and/or headband– Turn pusher fan “ON”Turn pusher fan “ON”– H-manifold knob in horizontal “ON” H-manifold knob in horizontal “ON”

position.position.– Hood outlet valve open vs closedHood outlet valve open vs closed– Don the hoodDon the hood

Video

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ATN SIZING and ATN SIZING and FITTINGFITTING

Nose occluder fittingNose occluder fitting– Select nose occluder sizeSelect nose occluder size

60% wear 6L60% wear 6L

– Apply Krytox to shaft assemblyApply Krytox to shaft assembly– Lubricate o-ring sealsLubricate o-ring seals– Insert shaft assembliesInsert shaft assemblies– Position stirrup assemblyPosition stirrup assembly– Check functionCheck function

Refer to Fitting Flow Diagram for trouble shooting.Refer to Fitting Flow Diagram for trouble shooting.

Video

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NOSE OCCLUDERNOSE OCCLUDER

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FITTING FLOW FITTING FLOW DIAGRAMDIAGRAM

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FINAL FITTING & FINAL FITTING & ADJUSTMENTADJUSTMENT

Donning for fittingDonning for fitting– Don CMU-29(V)1/P or (V)2/P vestDon CMU-29(V)1/P or (V)2/P vest– Don skull capDon skull cap– Turn pusher fan “ON”Turn pusher fan “ON”– H-manifold horizontal “OPEN”H-manifold horizontal “OPEN”– Don the hood (hood outlet valve “OPEN”)Don the hood (hood outlet valve “OPEN”)– Pusher fan “OFF”Pusher fan “OFF”– Don helmetDon helmet

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FINAL FITTING & FINAL FITTING & ADJUSTMENTADJUSTMENT

Donning for fitting (cont.)Donning for fitting (cont.)– Connect intercommunication unitConnect intercommunication unit– Pusher fan “ON”Pusher fan “ON”– Connect toggle harness assembly to helmetConnect toggle harness assembly to helmet– Flip V-bow down in to flight positionFlip V-bow down in to flight position– Clamp hood ventilation hoseClamp hood ventilation hose– Wearer holds breathWearer holds breath– Check for leaksCheck for leaks

Perform location drills and EPsPerform location drills and EPs

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BTN FITTINGBTN FITTING Chemical Chemical Under-Under-garmentsgarments– Check Check

sitting, sitting, crouching, crouching, and reachingand reaching

– Avoid Avoid issuing a issuing a bulky or bulky or oversized oversized linerliner

– Correct fit Correct fit allows allows proper proper integration integration with flight with flight suitsuit

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BTN FITTINGBTN FITTING

Gloves & Inserts (old style gloves)Gloves & Inserts (old style gloves)– Issued as a setIssued as a set– Snug but not restrictive fitSnug but not restrictive fit– Correct fit allows proper integration with Correct fit allows proper integration with

flyer’s glovesflyer’s gloves Gore HSF linerGore HSF liner

– Snug but not restrictive fitSnug but not restrictive fit– Worn with Canadian flight gloves Worn with Canadian flight gloves

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BTN FITTINGBTN FITTING

Disposable footwear coversDisposable footwear covers– Find best fitFind best fit

Chemical protective socksChemical protective socks– One size only, no fit requiredOne size only, no fit required

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Lessons LearnedLessons Learned Aircrew should plan on using winter sized Aircrew should plan on using winter sized

flight gear.flight gear. Go one to two sizes up on flight gloves (for Go one to two sizes up on flight gloves (for

old system gloves)old system gloves) Have G-Suit fit check prior to donning.Have G-Suit fit check prior to donning. CPU measurement. Top =flight suit size. CPU measurement. Top =flight suit size.

Drawers = Jean waist size Drawers = Jean waist size Proper ensemble fitting is critical for CBR Proper ensemble fitting is critical for CBR

protection and aircrew comfort. protection and aircrew comfort. When fitting recommend leaving 6L nose When fitting recommend leaving 6L nose

occluder in mask as 75% wear this size. Have occluder in mask as 75% wear this size. Have another mask in which you can switch out another mask in which you can switch out nose occluder sizesnose occluder sizes

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Questions?Questions?

How do you How do you size for the size for the mask? mask?

How do you How do you size for the size for the CPUs?CPUs?

How do you How do you size for the CBR size for the CBR socks?socks?