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1
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Breathing Apparatus Collaboration
Drager PSS 7000 Breathing Apparatus Set
To navigate this presentation use slide 4 and
click on the numbered icons on the left
2
Aim

• To introduce personnel to the Dräger PSS 7000t BA
  Set.

3
Objectives

• By the end of this session personnel
• Will have sufficient knowledge and understanding
  of the functions relating to the use of the
  Dräger PSS 7000t BA

4
Dräger PSS 7000
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1. Cylinder 3 Slides
2. Reducer 1 Slide
3. Back plate 3 Slides
4. Harness 3 Slides
5. Pneumatics 2 Slides
6. LDV 1 Slide
7. FPS 7000 Face Mask 1 Slide
8. Bodyguard 7000t EMU 3 Slides
9. Log Off

5
Cylinder
HIGH PERFORMANCE LIGHT WEIGHT COMPRESSED AIR
CYLINDER
Final Resin Layer
Glass Wrap
Carbon Wrap
Aluminium Liner
Anti corrosive layer
Copper anti debris tube
Right angled cylinder valve
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6
Cylinder
Working Pressure (bar)
Cylinder serial number
Water Volume (L)
Date of manufacture 5 years
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7
Bar Cylinder Calculations
Drager

• 9 ltr Vol x 300 Bar 2700 ltr
• 2700 x 0.9 ( correction factor )
• 2430
• 2430
• 50
  ltrs Min
• Total Duration 49 Mins
• Safety Margin - 12 Mins
• Working Duration 37 Mins

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8
Reducer
Anti-tamper disk
Longer Thread for 300 bar
Built in Anti-vibration O-ring
Spring loaded reducer mounting
Pneumatic Whistle
2nd wearer Y-Piece
O-ring for pressure seal
Bronze sintered filter
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9
Back Plate

• High strength light-weight carbon composite
• Pivoting/swivelling waist belt
• Fully adjustable yoke to 3 sizes (S,M,L)
• Built-in carrying handles
• Integrated electronics
• Integrated hoses
• Modular design

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10
Back Plate
Bodyguard ( Gauge )
Spring Clips size adjustment
Size Markings (S,M,L)
Hose routed through back plate
Battery release point
Spring-loaded waist belt pivot point
Bodyguard pressure module Battery pack
Battery ( A fully charged battery will last for
8 hrs )
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11
Back Plate
LDV
Carrying Handles
Auxiliary take off
Reducer Housing
Rubber Buffer
Charging point
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12
Harness

• Neoprene rubber bonded to polyester fibre matrix
• High wear resistance
• Harness remains in position
• High temperature performance
• Material grips the wearers clothing and prevents
  slippage.

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13
Harness
Shoulder straps (designed to grip wearers PPE)
Hose retaining flaps
Cylinder strap with camlock buckle
Spark-proof buckles
Trident clip
Quick release Waist belt assembly
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14
Harness

• Quick release shoulder harness and waist belt
• Quick assembly and disassembly
• Quick turnaround times in the workshop
• Easy cleaning
• Heavy duty stainless steel friction buckles
• Webbing will not twist within buckle
• Easy adjustment with gloves

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15
Pneumatics

• Filter and O ring replaced annually.
• Reducer exchanged every ten years.
• Reducer output 6-9 bar (dynamic static
  pressures )
• Reducer relief valve lift off pressure 11-16 bar.
• Choke screw set to 25 lts per minute.
• Pneumatic LPWW operates at 60 Bar or 5 Bar
• Whistle uses approx. 4 ltrs of air per minute.
• Positive pressure in mask between 0.1 and 0.3 bar
  above atmosphere

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16
Pressures

• 300 Bar Nominal Charge
  (100)
• 270 Bar Minimum for full test (New Cylinder)
  (90)
• 245 Bar - Minimum on completion of General test
• 240 Bar Minimum Initial Entry
  (80)
• 150 Bar Minimum Re-entry (50)
• 120 Bar Minimum for Decontamination
  (40)
• 74 Bar Bodyguard LPWW
  (25)
• 60 /- 5 Bar Pneumatic (failsafe LPWW)
  (20)

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17
Lung Demand Valve (LDV)
LDV Release Buttons
Re-set button
Swivel coupling
Constant flow switch
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18
FPS 7000 Face Mask
5 Point head harness attachments
Polycarbonate Visor
Voice Enhancement power button on R/H side
Mask body
LDV Port
Inner Mask (orinasal)
Exhalation Valve
Mushroom Valve
Voice Enhancement Speaker
Integrated comms speaker
PTT Button
Radio connection
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19
Bodyguard 7000
Digital pressure reading
Radial segments pressure and timing
Right hand button
Left Hand button
Time to whistle
Distress alarm button
ADSU Tally key
Blue, Red Green LEDs
Hose/Cable assembly to electronic pressure
transmitter module
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20
Bodyguard 7000

• Provides continuous monitoring of the SCBA.
• ( GREEN LED flashes every second when bodyguard
  is in operation, When linked to Merlin Board two
  additional BLUE LEDs flash intermittently )
• Monitoring of the cylinder pressure.
• ( Digital reading updated every 20 seconds )
• Time to whistle (TTW). Digital reading.
• ( Digital reading updated every 20 seconds )
• Button activated Distress Signal Unit.
• ( DSU 96-105 db )...

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21
Bodyguard 7000

• Movement sensor and Automatic Distress Signal
  Unit.
• (If no movement detected after 30 seconds a
  pre-alarm will sound, if no movement after a
  further 15 seconds full alarm sounds with 2 RED
  2 BLUE LEDs flashing intermittently)
• Back light feature.
• (On pressing either Left or Right button the body
  guard unit will illuminate the display for 3-5
  seconds)
• Electronic Whistle Warning Unit.
• (Electronic whistle will operate at 74 Bar , 90
  db)

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22
Log Off

• A AIR SUPPLY
• (Close Cylinder wheel and vent Air Supply)
• B BODYGUARD
• (allow gauge to read ZERO, bodyguard will
  automatically turn off within 20 sec )
• C COMMSa
• (Switch off comms radio speech enhancer)

This will ensure that the set has logged off from
the Merlin board
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23
Any Questions
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