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19 Cards in this Set
- Front
- Back
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the air fill valve connection is a high pressure connection, so it should not use what type of connection?
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2,216 PSI
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where is the manifold located?
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on the center console behind the shift tower in the cab
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where is the breathing air indicator located?
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in the cab on the dash in front of the crew chief
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what makes up the breathing air indicator?
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1)LED bars
2)alarm silence buttom 3)light test buttom |
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how do you place the breathing air indicator in calibration mode?
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by pressing the alarm silence buttom and the light test buttom simultaneously
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what is the light test button used for on the breathing air indicator?
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to perform a self test of the system
all lights will illuminate |
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after a light test how will you know the system is operating correctly?
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the alarm will sound briefly
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pressing the alarm silence buttom will silence the low pressure alarm for how long?
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5 minutes
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what is the purpose of the LED bars?
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displays the amount of available breathing air in PSI
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what has happen if the red lights start flashing on the LED bars?
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the system air has dropped below 25%
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what will happen if the ARFF breathing system drops below 20%?
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an audible alarm will activate
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what is the job of the manifold?
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it divides one inbound airline from the air cylinders into four lines that provide breathing air to the masks
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the manifold regulates the air pressure to what?
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down 4-5 PSI above atmosheric pressure
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how many inspections are recommended to be performed on an ARFF apparatus on a weekly basis?
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(7) seven inspections
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what inspections involving the fire pump are performed on a weekly basis?
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1)pump and intake strainers
2)pump gearbox and packing glands 3)pump pressure control device 4)foam transfer |
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what are you checking when inspecting the pumpgear box?
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the oil level
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what are you checking during the inspection of the packing glands?
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no excessive leaking
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who should you check with prior to perform your check inspection on the pump pressure control device?
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the authority having jurisdiction
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how is the foam transfer pump inspected?
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with the engine running you should operate the foam transfer pump for 10 seconds
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