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Return to course: Guardian Full Face Mask: Tech Course

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Guardian Full Face Mask: Tech Course

Grades

Welcome
Get Started

GFFM History
FFM Considerations
Environmental Protection
Physiological Protection
Communications
Diving Experience

Features
Double Seal
Ambient Breathing Valve
Removable 2nd Stage
Removable 2nd Stage Cont.

Mask Bag cont.
Side Mount 2nd Stage
Equalizing Block
One Piece Skirt
Head Harness
Inhalation Cycle
Exhalation Cycle

Warning
Warning Cont.

Life Span of Guardian FFM

Important Notes
Important Notes Cont.

Documentation

GFFM Maintenance Checklist

Required Tools
Required Tools Cont.
OTS Backing Wrench
Retaining Ring Pliers
T Handle Hex Key
Inner Clamp Ring Socket
OTS Screwdriver
Pin Wrench
OTS Dummy Plug
OTS T-Adjusting Guage
Silicone Grease
Work Mat/ Manual
Tools and Cleaning Notes
Tools and Cleaning Notes Cont.
Magnahelic
Lubricant Considerations

Service or Repair
Service or Repair Cont.
Preparation

GFFM Quiz 1

Mask Body Maintenance
Mask Body Visual Inspection and Disassembly
Removing Mask Strap
Inspect Mask Buckle Tabs
Remove Communications
Remove Communications Cont.
Remove Mask Frame Screws
Mask Clamp Notes
Remove Upper Frame
Remove Visor
Remove Comport Nut and Blanking Plug
Install Dummy Plug
Remove Snap Ring
Remove Quick Connect Casing
Remove Quick Disconnect Spring and Button
Insert Inner Clamp Ring Socket
Remove Mask Clamp Ring
Remove Dummy Plug and Mouthpiece Flange
Remove Mask Equalizing Assembly
Remove Equalizing Base
Remove Interior Mask Clamp
Remove Lower Mask Clamp
Remove One-Way Valves
Inspect Mask Body

ABV & Visor Disassembly
ABV & Visor Inspection
ABV & Visor Notes
Remove Outer Cap
Remove One-Way Valve
Remove Valve Seat
Replace ABV Base O-Rings
Index ABV Base
Install Valve Seat O-Ring
Install Valve Seat
Install Outer Cap
ABV Base Note
Mask Body Assembly
One-Way Valve Considerations
Install One-Way Valves on Valve Seats
Install One-Way Valve Seats
Install Lower Frame
Lower Frame Install Considerations
Install Interior Mask Clamp
Install Interior Mask Camp Cont.
Install Equalizing Base
Install Mouthpiece Flange
Install Dummy Plug
Install Inner Clamp Ring Socket
Inner Clamp Ring Socket
Inner Clamp Ring Socket Cont.
Install Quick Disconnect Spring and Button
Install Quick Connect Casing
Install Snap Ring
Install Snap Ring Cont.
Install Equalizing Wire
Install Visor
Install Upper Frame
Install Head Harness
Install Communications/ Comport
Mask Donning/ Adjustment Considerations

GFFM Quiz 2

Regulator Maintenance
Diaphragm Assembly
Remove Counter Pressure Guide Frame
Disassemble Diaphragm Assembly
Regulator Cover Considerations

Breathing Valve Components
Inspect Diaphragm
Diaphragm Reassembly
Install Diaphragm and Diaphragm Retaining Ring
Regulator Cover Considerations
Regulator Cover Considerations Cont.
Regulator Cover Considerations Cont.
Proper Alignment Notes
Remove Regulator Body Components
Remove Demand Valve Insert Assembly
Demand Valve Insert Assembly
Remove Upper Valve Assembly
Remove Indexing Collar
Remove Lever
Upper Valve Assembly Overview
Inner Valve Assembly Disassembly
Valve Seal Inspection
Inner Valve Assembly Considerations
Demand Valve Insert Assembly
Install Valve Seal
Valve Base Dissembly
Remove Valve Orifice
Reinstall Valve Orifice
Install Valve Insert
Install Washer, Nylock Nut and Layer
Nylock Nut Notes
Install Upper Valve Housing
Install Indexing Collar
Valve Base and Spacer O-Rings
Regulator Body O-Rings
Remove Mouthpiece Tube and Air Guide
Install Demand Valve Insert Assembly
Install Retaining Collar and Diaphragm Assembly

GFFM Quiz 3

Regulator Testing and Adjustment
Tools Consideration
Magnehelic Assembly
Lever Height Adjustment
Lever Height Adjustment Cont.
Orifice Adjustment
Regulator Testing Preparation And Test 1
Test 2 Inhalation Resistance
Cracking Pressure Reading

GFFM Quiz 4

Important Notes
Important Facts: Indexing Collar
Important Facts: Demand Lever
Important Facts: Purge
Important Facts: Fluttering
Important Facts: Locking
Technician Agreement
Congratulations
Completion

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