JFRD MSA G1 SCBA – Operational Guide and Safety
Procedures
The G1 SCBA is a _________________________certified by the National Institute for
Occupational Safety and Health (NIOSH) for use in atmospheres immediately
dangerous to life or health (IDLH): - Answerpressure-demand, self-contained
breathing apparatus (SCBA)
What does IDLH mean? - AnswerImmediately Dangerous to Life or Health
what are the components of the MSA G1 SCBA? - Answer(1) GI facepiece
(2) G1 Regulator (Demand valve)
(3) HUD (Heads Up Display),
(4) Pressure reducer with low pressure warning device.
(5) control module
(6) Power module
(7) cylinder valve assembly
(8) carrier harness
(9) speaker module (optional)
THE MSA G1 supplies the user with ____________________ from a compressed air
cylinder via a pressure reducer, a regulator and a face-piece. - AnswerBreathable air
What does PASS stand for?: - AnswerPersonal Alert Safety System
When a user remains motionless for________seconds, the PASS device goes into full
alarm to alert those around the user - Answer30
When a user remains motionless for________seconds, the PASS device goes into pre-
alarm to alert those around the user - Answer18-20
How many standard components does the G1 SCBA consists of? - Answer8
What is another name of the G1 regulator? - AnswerDemand Valve
what does HUD stand for? - AnswerHeads Up Display
what does the HUD allow the user to see? - Answerthe cylinder pressure (right side)
and alarm status (left side)
What component does the HUD receive power from? - AnswerThe power module
How many LED lights are inside the HUD? - Answer7
, What is the service time for a 45 min/ 4500 psi cylinder when it reaches 1575 psi
(35%)? - Answer16 mins (approximately)
At what pressure and percentage will the primary low pressure warning alarm go off? -
Answerapproximately 35 % (+/-) 2% or 1575 psi
The PASS device on the G1 SCBA is made up of three components: - Answerbattery
module, power module, and control module.
what does the control module do? - Answer-The G1 control module is the user's
interface with the SCBA and PASS device.
what does the power module do? - Answer-The power module serves as the power
supply and provides all of the information for the control module, regulator and speaker
module.
what type of batteries are inside the battery module? - Answersix C-cell batteries.
Where is the optional speaker module located? - Answerleft side shoulder strap
where is the hand wheel for opening and closing the valve assembly to the cylinder? -
AnswerBottom right side
What do you use to unlock the battery module? - AnswerThe battery removal tool.
(male end of waist belt)
At what pressure will the low pressure alarm bell stop? - Answer200 psi
What is the HUD display for a PASS motion pre alarm? - Answerflashing red attention
LED
What is the HUD display for a PASS motion full alarm? - Answersolid red attention
LED
What is the HUD display for a PASS manual full alarm? - Answersolid red attention
LED
What is the HUD display for an Electronics Failure? - Answerflashing red attention
LED
What is the HUD display for a Primary Thermal Alarm? - Answerflashing red attention
LED
Procedures
The G1 SCBA is a _________________________certified by the National Institute for
Occupational Safety and Health (NIOSH) for use in atmospheres immediately
dangerous to life or health (IDLH): - Answerpressure-demand, self-contained
breathing apparatus (SCBA)
What does IDLH mean? - AnswerImmediately Dangerous to Life or Health
what are the components of the MSA G1 SCBA? - Answer(1) GI facepiece
(2) G1 Regulator (Demand valve)
(3) HUD (Heads Up Display),
(4) Pressure reducer with low pressure warning device.
(5) control module
(6) Power module
(7) cylinder valve assembly
(8) carrier harness
(9) speaker module (optional)
THE MSA G1 supplies the user with ____________________ from a compressed air
cylinder via a pressure reducer, a regulator and a face-piece. - AnswerBreathable air
What does PASS stand for?: - AnswerPersonal Alert Safety System
When a user remains motionless for________seconds, the PASS device goes into full
alarm to alert those around the user - Answer30
When a user remains motionless for________seconds, the PASS device goes into pre-
alarm to alert those around the user - Answer18-20
How many standard components does the G1 SCBA consists of? - Answer8
What is another name of the G1 regulator? - AnswerDemand Valve
what does HUD stand for? - AnswerHeads Up Display
what does the HUD allow the user to see? - Answerthe cylinder pressure (right side)
and alarm status (left side)
What component does the HUD receive power from? - AnswerThe power module
How many LED lights are inside the HUD? - Answer7
, What is the service time for a 45 min/ 4500 psi cylinder when it reaches 1575 psi
(35%)? - Answer16 mins (approximately)
At what pressure and percentage will the primary low pressure warning alarm go off? -
Answerapproximately 35 % (+/-) 2% or 1575 psi
The PASS device on the G1 SCBA is made up of three components: - Answerbattery
module, power module, and control module.
what does the control module do? - Answer-The G1 control module is the user's
interface with the SCBA and PASS device.
what does the power module do? - Answer-The power module serves as the power
supply and provides all of the information for the control module, regulator and speaker
module.
what type of batteries are inside the battery module? - Answersix C-cell batteries.
Where is the optional speaker module located? - Answerleft side shoulder strap
where is the hand wheel for opening and closing the valve assembly to the cylinder? -
AnswerBottom right side
What do you use to unlock the battery module? - AnswerThe battery removal tool.
(male end of waist belt)
At what pressure will the low pressure alarm bell stop? - Answer200 psi
What is the HUD display for a PASS motion pre alarm? - Answerflashing red attention
LED
What is the HUD display for a PASS motion full alarm? - Answersolid red attention
LED
What is the HUD display for a PASS manual full alarm? - Answersolid red attention
LED
What is the HUD display for an Electronics Failure? - Answerflashing red attention
LED
What is the HUD display for a Primary Thermal Alarm? - Answerflashing red attention
LED
