Paratech Rescue Support Systems(Working Air Cart) Flashcards Preview

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Flashcards in Paratech Rescue Support Systems(Working Air Cart) Deck (45):
1

Before using the air cart do 9 things

1)wear proper PPEs
2)inspect nipples/couplings for damage
3)ensure nipples/couplings are free of dirt/dust/grease/grime
4)ensure all bleed valves are closed
5)ensure all control knobs are closed
6)ensure 3-way diverter valve is "OFF"
7)ensure shutoff valve is closed
8)ensure all CGA-347s are tight
9)ensure all hoses are fully inserted and
locking rings are closed

2

when changing a cylinder, always ensure
that ____has been released before ____

the pressure
unscrewing the CGA fitting (nut) from the
tank

3

when finished using the air cart do these
2 things first

1)close cylinders
2)bleed off all pressure in the system

4

working air cart provides _____ air for tools
and equipment. it does not provide _____.

working
breathing air

5

the air cart is designed to _____

provide continuously regulated working air
to a variety of components

6

components that can be used with the
air cart include 3 types

air bag systems
rescue support/strut systems
portable pneumatic hand tools

7

the high pressure manifold has a _____
that tells you the _____.

high pressure guage
cylinder air pressure or the alternate
working air supply pressure

8

a shut-off valve is provided between
the _____ and a _____ to permit access
to _____.

high pressure manifold
CGA-347 adapter
alternate sources of working air

9

4 alternate sources of working air

external cascade system
mobile air compressor
air truck
in-plant or in-facility source

10

the CGA-347 adapter allows 3 things

1)for filling of the air cylinders on the cart
2)for providing an alternate air source
3)for providing up to a 5500psi outlet
connection

11

3-way diverter valve when "ON" is getting
air from _____.

one of the cylinders

12

3-way diverter when "OFF" is getting air

through the CGA-347 adapter and
shut-off valve from a remote high pressure
source

13

the 3-way diverter allows for either bottle to be ____
for _____

selected

14

the 3-way diverter does not allow both
bottles to ______

simultaneously provide air

15

bleed valves are located between the
_____ and the _____ connected to the ____

3-way diverter valve
high pressure hose assemblies
air cylinders

16

bleed valves release all pressure in the
_____ between the _____ and the ______
or _____.

system
air cylinders
couplings (female for 300psi side)
nipples (male for 150psi side)

17

low-pressure whistle is just below the
_____ and activates when pressure within
the air source is between _____.

high pressure manifold
400-500psi

18

the working air cart has ____ low pressure
regulators. one is for ____ and has the
____ and the other is for _____ and has the
_____.

2
up to 150psi max
nipples
up to 300psi max
couplings

19

each low pressure regulator has it's
own ____ for ensuring it's respective low
pressures.

adjusting knob

20

each low pressure regulator is between
the _____ and their ____.

high pressure manifold
respective low pressure manifold

21

each nipple and coupling have their own
_____

shutoff control knob

22

each low pressure manifold has a ____ to
show the outgoing pressure to a component

pressure gauge

23

maximum inlet pressure is _____ at the ____

5500psi
CGA-347 adapter

24

the air cart has an adjustable handle for
____ of movement. it also allows the cart
to be operated safely 3 ways

ease
vertically
horizontally
at an angle

25

the cart weight with 2 empty cylinders
the cart weight with 2 full cylinders

110#
122.2#

26

rotate adjusting knobs on the low
pressure regulators _____ to close

counter-clockwise

27

if charging an air cylinder via an external
source follow 16 steps

1)ensure all nipples/couplings are closed
2)ensure both low pressure regulators
are closed
3)ensure shutoff valve is closed
4)ensure all bleed valves are closed
5)orient 3-way diverter valve towards
cylinder to be filled
6)remove protective cap for CGA-347
7)connect external source to CGA-347
8)open air cylinder
9)open shutoff valve
10)open external source and fill cylinder
11)close air cylinder upon filling
12)close external source
13)open bleed valve
14)close shutoff valve
15)disconnect external source and
cap CGA-347 adapter
16)orient 3-way diverter as necessary

28

do not use external source that ____ the
capacity of the air cylinder

exceeds

29

to open air cylinder valves turn ____

counter-clockwise

30

to open low pressure regulators turn ____

clockwise

31

the shutoff valve can be used in _____
directions. the air cylinders can be used to
provide _____ thru the _____.

both
high pressure air
CGA-347 adapter

32

control knob banks are on _____

each low pressure manifold

33

control knobs align vertically for ____

closed

34

control knobs align horizontally for ____

open

35

5 gauges

2 air cylinder gauges
1 high pressure manifold gauge
2 low pressure manifold gauges

36

when operating and will be using air supply
from the cylinders, open _____.

both air cylinders

37

when initially orienting the 3-way
diverter valve to an air cylinder,
the _____ briefly

low pressure whistle will sound

38

rotate low-pressure regulator knobs ____
to increase pressure

clockwise

39

rotate low-pressure regulator knobs ____
to decrease pressure

counter-clockwise

40

adjust finally in the _____ direction for the
low pressure regulators

increasing

41

to switch to the other air cylinder, simply
_____ to the full cylinder. since both tanks
have already been _____, this switch enables
_____ air supply

orient the 3-way diverter valve
opened
interruption-free

42

to switch to the external source all you
have to do is _____ and then _____ and
then open ______. continuous ops can
occur if the external source has been
turned on and the shutoff valve opened
prior to moving the 3-way diverter valve

orient the 3-way diverter facing forward
open the shutoff valve
the external air supply

43

8 steps to shut down air cart

1)turn control knobs to closed position
2)close air cylinder valves/ext. air supply
3)close shutoff valve if necessary
4)orient 3-way diverter valve to "OFF"
5)disconnect hoses from nipples/couplings
6)open both bleed valves, bleed, close
7)replace air cylinders
8)inspect/maintain make ready

44

5 inspection checks for the air cart

1)dust/dirt/grease/grime
2)loose hardware
3)cracked/deformed parts
4)during ops, check for air leaks
5)make sure low pressure gauge is steady
at all times

45

there is a _____ to assure that the max.
low pressure are not exceeded. adjusting
this screw will _____ pressure.

pressure relief adjustment screw
increase/decrease