20 Air Bags Flashcards
(air bags)The lifting height ranges from _____inches for the smallest bag(12ton) to _____inches for the largest(74ton)
The bags tonnage is based on lifting the that tonnage____inch(es)
8—–20
1
There are two red air supply hoses and one yellow how long are they?
16’
Only an SCBA cylinder made of _______ can be used with air bags.
A. Aluminum
B. Steel
C. Both
D. Neither
B
Set the low pressure gauge to _____psi by turning the pressure regulator knob clockwise. (Airbags)
135
With the air bags when the high pressure gauge falls below____psi change the cylinder.
200
CHANGE @ 199 psi
(Airbags) make sure all the valves are in the [open/closed] position when the air source is turned on.
Closed
Always have the air bag connected prior to placing it under or between a load to minimize the operators exposure to the load area and to eliminate the possibility of the operator placing the bag with the air inlet under the load. T/F
True
(Airbags) max internal air pressure for the bag when used for lifting purposes is ______psi. What will happen if it is over inflated?
118
Safety relief valve
If the pressure of a cylinder falls to 199 can it be changed during an operation?
Yes
Stop operation
Shore lift
Close all valves
A bag should only be inflated to how much of it’s rated height capacity?
A. 1/2
B. 2/3
C. 3/4
D. 100%
C
What two conditions would precent placing bags directly against a surface?
Sharp
Heated to over 220F
Use flexible insulated pad or 3/4” plywood
Can more than 2 bags be placed on top of each other?
Which bag goes on top?
Which one gets inflated first?
Never more than 2 bags
Always place small on top of large
Generally inflate bottom first
When using 2 bags the smaller bag is the max tonnage. A 30 ton bag with a max height of 10” can lift 30 tons 1 inch and _____tons 10”
15—-1/2 the rated weight to full height
How are air bags identified while in operation and being inflated/deflated?
A. Size of the bag
B. Top bag/bottom bag
C. Use company SOP
D. Color of hose attached to the bag
D
The air bags have an orange air hose with a safety relief valve. What is the only thing this hose is to be used for and what is the psi of the valve?
Leak sealing in tank trucks or containers
22psi