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LAFD 2022-2 > SCBA > Flashcards

SCBA Flashcards

1
Q

SCBA Manufacturer

A

Honeywell Titan

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2
Q

SCBA Components

A

■ Backpack and Cylinder
■ First-Stage Regulator
■ Heads-up Display (HUD)
■ Chest Air Pressure Gauge w/ IntelliPASS
■ Second-Stage Regulator
■ Emergency Buddy Breathing System w/ “Y” Block

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3
Q

SCBA Backpack Components

A

lightweight aluminum backplate with an aluminum hip- plate that hinges

1,000 lb. of pull strength

4 large openings on the backplate specifically designed for carabiner attachment points and can withstand 1,000 lb. of pull force.

Central Power Supply. 4 “C” Alkaline batteries provide power to the front and back PASS, all indicator lights and all electronic audible alarms, HUD, as well as thePathfinder locating system.

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4
Q

SCBA Air Cylinder Composition

A
  1. Thin walled aluminum liner
  2. Smooth internal finish
  3. Insulating layer
  4. Carbon Fiber over wrap in
    epoxy resin
  5. (FRP) Fiberglass reinforced
    plastic
  6. Radius base
  7. Parallel thread
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5
Q

SCBA max working pressure

A

4500 PSI.

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6
Q

SCBA air cylinder pressure gauge

A

graduated in 1000 lb. increments from 0-6000 lbs with the full bottle range (4000-5000 lbs.)

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7
Q

SCBA cylinder sizes

A

45 min - 65.6 cubic feet of air

60 min. - 87 cubic feet of air

40 liters per m

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8
Q

When to change scba air cylinder

A

When the cylinder gauge reads less than 4000 lbs.

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9
Q

SCBA air cylinder testing and life span

A

Hydrostatic Test when new

retested every 5 years.

15-30 year life span.

(tested at 7500 psi)

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10
Q

First stage regulator pressure

A

115psi

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11
Q

When does the relief valve activate to protect the system?

A

when intermediate pressure exceeds 200 to 225 psi

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12
Q

At what pressure does the warbling whistle activate

A

at 1485 to 1665 psi (33-37%)

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13
Q

HUD Light Progression

A

Full- 4 green lights
¾- 3 Green lights
½- Green Light flashes for 20 seconds then both solid green
1/3- Light flashes red at rate of 500 milliseconds
10%- 1/3 light flashes at rate of 100 milliseconds

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14
Q

PASS alert timing

A

approximately 20 seconds. The LED lights will alternate flashing green and red. The alarm will increase in volume approximately every 4 seconds until full alert at 30 to 35 seconds. In full alert, the LED lights flash red and the alarm tones alternate between the front and rear mounted speakers.

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15
Q

What is the PASS powered by

A

4 “C” alkaline batteries in the backpack.

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16
Q

The Emergency Breathing Safety System (EBSS) length and makeup

A

39 inch intermediate pressure hose and a “Y” block with a male and female quick connect.

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17
Q

SCBA Daily Check Required Equipment

A

SCBA Harness
45 Minute Bottle
Facepiece
Turnout coat
Voice Amplification System (VAS)

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18
Q

SCBA Daily Check

A

https://docs.google.com/document/d/1puhlRmG4Q4v4j4bj1_9W-sHpJOAmslvYWEMGNjCCBr8/edit#

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19
Q

How often shall personnel inspect their SCBA

A

Daily

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20
Q

What form shall be initialed after completion of daily SCBA inspection

A

Form 20

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21
Q

What shall be done with any air cylinder found to be out of hydrostatic date?

A

removed from service, tagged, and sent to pacoima SCBA shop

22
Q

How many integrated carrying handles with carabineer attachement points are on the Titan SCBA?

A

4

23
Q

How much weight is each carabineer attachment pint rated for

A

1,000lbs

24
Q

what hose incorporates the electrical/pnumatic connector

A

intermediate pressure hose

25
Q

How are the electronics of the titan SCBA powered

A

4 C alkaline batteries

26
Q

What indicates a low battery condition on the back PASS

A

Flashing abmber LED light and audible beep every 10 seconds

27
Q

Standard issue air cylinder for titan SCBA

A

45-min bottle

28
Q

at what psi shall cylinders be exchanged for full air

A

< 4,000psi

29
Q

At what point does the relief valve on the first stage regulator activate?

A

> 200 - 225 psi

30
Q

A what point does the warbling whistle cease to operate?

A

<200 psi

31
Q

The air pressure guage & HUD is illustrated from “Full”to “Empty” using what increments?

A

FULL, 3/4, 1/2, 1/3

32
Q

When the air cylinder is opened, what indicates the PASS device has been activated

A

Ascending tone and green light flashing on PASS

33
Q

How is the PASS device manually triggered to full alert

A

hold red alarm button for 1-2 seconds

34
Q

Real-time heat alarm, giving an indication of the present state of the temperature

A

ThemAlert

35
Q

The second stage regulator attaches to the face piece using what system

A

AirKlic System

36
Q

How is the second stage regulator activated?

A

“First breath on” or manual override button

37
Q

The second stage regulator is capable of supplying the user how much breathing air?

A

> 350lpm

38
Q

What is intended for emergency use only to supply breathing air should regulator failure occur

A

Red bypass valve

39
Q

The bypass valve is capable of supplying the user how much breathing air?

A

130lpm

40
Q

How is cylinder air pressure representing 50% indicated on HUD

A

Hud blinks for 20 seconds

41
Q

how is cylinder air pressure below 33% identified

A

1/3 LED changes to red and blinks at rate of 500milliseconds

42
Q

how is cylinder air pressure below 10% identified

A

1/3 LED remains red and blinks at rate of 100 milliseconds

43
Q

At what point does HUD shut-off

A

<200psi

44
Q

What is the face piece made of

A

Butyl rubber

45
Q

What is the face piece lense made of

A

polycarbonate

46
Q

How is the Voice Amplification System (VAS) powered

A

3 AAA batteries

47
Q

Weight of a 45 min bottle

A

23 lbs

48
Q

Weight of 60 min bottle

A

28 lbs

49
Q

Weight of a 45 min bottle with backpack

A

30.25 (this means the backpack would weigh 7.25 lbs by itself)

50
Q

What is the black wheel that we use to turn our bottle on called?

A

Air cylinder valve (CGA Handwheel)

51
Q

How much weight do the scba waist straps remove from shoulders

A

60%. Shoulders should carry 3-5 lbs

52
Q

What psi does the burst disk activate at in the scba bottle

A

6,750 - 7500

LAFD 2022-2 (16 decks)

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