Paratech Rescue Support Systems(Working Air Cart) Flashcards

1
Q

Before using the air cart do 9 things

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

when changing a cylinder, always ensure

that ____has been released before ____

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

when finished using the air cart do these

2 things first

A

1) close cylinders

2) bleed off all pressure in the system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

working air cart provides _____ air for tools

and equipment. it does not provide _____.

A

working

breathing air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

the air cart is designed to _____

A

provide continuously regulated working air

to a variety of components

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

components that can be used with the

air cart include 3 types

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the high pressure manifold has a _____

that tells you the _____.

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

4 alternate sources of working air

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

the CGA-347 adapter allows 3 things

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

3-way diverter valve when “ON” is getting

air from _____.

A

one of the cylinders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

3-way diverter when “OFF” is getting air

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

for _____

A

selected

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the 3-way diverter does not allow both

bottles to ______

A

simultaneously provide air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

bleed valves are located between the

_____ and the _____ connected to the ____

A

3-way diverter valve
high pressure hose assemblies
air cylinders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

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

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

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

A

high pressure manifold

400-500psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

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

A
2
up to 150psi max
nipples
up to 300psi max
couplings
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

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

A

adjusting knob

20
Q

each low pressure regulator is between

the _____ and their ____.

A

high pressure manifold

respective low pressure manifold

21
Q

each nipple and coupling have their own

_____

A

shutoff control knob

22
Q

each low pressure manifold has a ____ to

show the outgoing pressure to a component

A

pressure gauge

23
Q

maximum inlet pressure is _____ at the ____

A

5500psi

CGA-347 adapter

24
Q

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

A

ease
vertically
horizontally
at an angle

25
Q

the cart weight with 2 empty cylinders

the cart weight with 2 full cylinders

A

110#

122.2#

26
Q

rotate adjusting knobs on the low

pressure regulators _____ to close

A

counter-clockwise

27
Q

if charging an air cylinder via an external

source follow 16 steps

A

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
Q

do not use external source that ____ the

capacity of the air cylinder

A

exceeds

29
Q

to open air cylinder valves turn ____

A

counter-clockwise

30
Q

to open low pressure regulators turn ____

A

clockwise

31
Q

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

A

both
high pressure air
CGA-347 adapter

32
Q

control knob banks are on _____

A

each low pressure manifold

33
Q

control knobs align vertically for ____

A

closed

34
Q

control knobs align horizontally for ____

A

open

35
Q

5 gauges

A

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

36
Q

when operating and will be using air supply

from the cylinders, open _____.

A

both air cylinders

37
Q

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

A

low pressure whistle will sound

38
Q

rotate low-pressure regulator knobs ____

to increase pressure

A

clockwise

39
Q

rotate low-pressure regulator knobs ____

to decrease pressure

A

counter-clockwise

40
Q

adjust finally in the _____ direction for the

low pressure regulators

A

increasing

41
Q

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

A

orient the 3-way diverter valve
opened
interruption-free

42
Q
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
A

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

43
Q

8 steps to shut down air cart

A

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
Q

5 inspection checks for the air cart

A

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
Q

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

A

pressure relief adjustment screw

increase/decrease