Paratech Rescue Support Systems(Working Air Cart) Flashcards
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
when changing a cylinder, always ensure
that ____has been released before ____
the pressure
unscrewing the CGA fitting (nut) from the
tank
when finished using the air cart do these
2 things first
1) close cylinders
2) bleed off all pressure in the system
working air cart provides _____ air for tools
and equipment. it does not provide _____.
working
breathing air
the air cart is designed to _____
provide continuously regulated working air
to a variety of components
components that can be used with the
air cart include 3 types
air bag systems
rescue support/strut systems
portable pneumatic hand tools
the high pressure manifold has a _____
that tells you the _____.
high pressure guage
cylinder air pressure or the alternate
working air supply pressure
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
4 alternate sources of working air
external cascade system
mobile air compressor
air truck
in-plant or in-facility source
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
3-way diverter valve when “ON” is getting
air from _____.
one of the cylinders
3-way diverter when “OFF” is getting air
through the CGA-347 adapter and
shut-off valve from a remote high pressure
source
the 3-way diverter allows for either bottle to be ____
for _____
selected
the 3-way diverter does not allow both
bottles to ______
simultaneously provide air
bleed valves are located between the
_____ and the _____ connected to the ____
3-way diverter valve
high pressure hose assemblies
air cylinders
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)
low-pressure whistle is just below the
_____ and activates when pressure within
the air source is between _____.
high pressure manifold
400-500psi
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