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ARFF truck


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why does preventive maintenance play such an important role in the upkeep of your apparatus?
1)ensures reliabity
2)reduces the frequency and cost of repair
3)lessens out-of-service time
what is crucial for use in discovering trends and for mainteneace, warranties, and claims involving the apparatus?
inspection documentation
an inspection should never be conducted until when?
the wheels are choked
when inspecting your ARFF apparatus what type of approach should be used?
a systematic approach
before you begin an inspection what must/should be reviewed?
prior inspection records
what types of checks should be performed on the ARFF?
1) Walk-around
what are the 8 sides that are inspected on a ARFF?
2)right front
3)right back
6)left rear
7)left front
what all is inspected on a left front and right front inspection?
1)cab doors
2)wheel and tire
3)springs and shackles
4)platforms and rails
what all is covered on the left rear side inspection?
everything from the rear of the cab to the tailboard
what items will you need to inspect on a left rear side?
2)wheel and tire
3)equipment compartments
4)hose storage
5)mounted equipment
6)automatic snow chains
what item is inspected on the left rear side but not on the right rear side?
what items will you need to inspect on the right rear side but are not on the left rear side?
1)nitrogen cylinder
2)fuel tanks
what items should be checked on "top" inspections?
1)cables and electronic controls
2)water and foam tanks
what should be inspected in the front of the apparatus?
3)fluid leaks
4)under carriage
6)bumper equipment
what all is included in the bumper equipment check?
1)turret devices
3)pump discharges
if you are inspecting wiperblades, windshield, lights, and steering, you are inspecting what?
the front of the ARFF
three items that you need to inspect on wheels and tires are?
1)tire tread
2)valve stem
3)broken studs or clamps
when cleaning battery terminals what must be worn?
eye and hand protection
during a rear part inspection on a apparatus what is inspected?
1)body and mounted equipment
2)towing attachments
what major items would you inspect on an in-cab inspection?
2)steering wheel
3)steering colum
4)parking brakes
5)seats and seat belts
7)brakes and clutch pedal
how much play is allowed on the steering wheel?
10 degrees in either direction
what are some items included in a in-cab equipment check?
4)pre-fire plans
during an in-cab inspection the fuel gauge should read what?
at least 3/4 tank
with the engine running what else is inspected in a in-cab inspection?
2)audible warning devices
3)electrical switches and controls
4)winterization system
5)central tire inflation/deflation system
what is the CTIS system?
the central tire inflation/deflation system enables the ARFF apparatus driver/operator to adjust the tire pressure while in motion or stationary
where is the CTIS panel located?
directly in front of the crew chief
where does the pressure gauge on the CTIS gets its reading?
from the static air tank
in what position must the CTIS on/off switch be maintain?
in the on position
how many different tire pressure setting are used on the CTIS?
four different setting
what are the four different settings on the CTIS?
what is the meaning of the solid green light on the CTIS system?
the system is attained the right setting
what is the meaning of the blinking green light on the CTIS system?
the system is in the process of reaching its setting
when will the vehicle overspeed light illuminate?
anytime the max speed is exceeded for the tire pressure selection
if the max speed is exceeded for one minute what will happen?
the tire pressure will automatically increase to the next setting
how many items is there to an engine compartment check?
the engine compartment check consist of what items?
1)engine oil level
2)air filter restriction
3)coolant overflow reservoir
4)windshield washer fluid reservoir
5)power steering fluid reservoir
7)ignition wiring
8)oil leaks
9)exhaust system
10)automatic tranmission fluid
11)hydraulic fluid
12)air system
13)fuel pump and filter
15)steering gear
16)cooling fan
in what condition might/must the engine be in to check the power steering fluid level?
while the engine is running
when checking the belts how much slack is acceptable?
1/2 to 3/4 inch deflection at midpoint
if the CTIS malfunctions and the tire pressure is bleeding inappropriately what should you do?
place the on/off switch in the OFF position
by placing the on/off switch on the CTIS in the off position what will it do?
stop the pressure from venting
to keep an ARFF apparatus in top condition the driver/operator should do daily checks on what piece of equipment?
1)pump drive control
2)pumping instrumnets
4)roof and bumper turrets
5)agent tanks
6)auxiliary winterization and/or cooling system
7)fuel tanks
8)auxiliary fire suppression sytem
9)breathing air system
how is the engine cooling sytem checked?
by bringing the engine to normal operation temp then activating the cooling system
the ARFF breathing air system is capable of supplying air to how many crew members?
up to 4 including the driver
the ARFF breathing air system is capable of supplying air for how long?
one hour
what are the components that you would check when doing your daily inspection of the ARFF breathing system?
1)air masks
2)pressure regulator
3)air cylinders
4)fill valve connection
6)breathing air indicator
the pressure regulator on the ARFF breathing system should be set at what?
100 PSI
what makes up the air cylinders used in the ARFF breathing system?
(2) two 444 cubic foot breathing air cylinders

these two cylinders have a total capacity of 888 cubic feet or 4,500PSI
the breathing air cylinder valves should be maintained in what position?
the open position
where is the air fill valve connection located?
in the foam transfer pump compartment
what should the daily reading be on the system air pressure gauge register located on the fill valve?
4,500 PSI

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