Fire apparatus operation and maintenance Flashcards
Pumpers weight approximately _____lbs and trucks can weigh upwards of ____ lbs
36,000 and 81,000
engines equipped with turbochargers which have been in operation for extended period of time should be idled ___ minutes before being shut down
3-5 minutes
Optimum RPM for diesel engine is
1700-2200 rpm (3rd gear)
If equipped with an electronic shift display, push the ___ button on the shifter allows the transmission to go to 5th gear and achieve freeway speeds
mode
An rpm lower than ____, will allow transmission to go into freewheeling state
1400
Brakes should be applied hard in the ____
beginning
In a skid do not ______. Steer into the skid
apply brakes
When constantly applying the brakes the pressure should be at 10 PSI
when pavement or overpasses are slippery all vehicles equipped with exhaust brakes will switch brake system to ____
“off”
The apparatus should descend grades in the ____ gear necessary to climb those grades
same
____ is required when the apparatus is parked
Wheel chocks
The air activated parking brake (spring brake) is designed to apply the rear brakes through spring activation if air system falls below approximately ___ PSI
35
with the advent of air driers on the brake systems, it is necessary to drain the 3-5 air tanks ____
weekly
Filtration mode on “no smoke” system will last for how long?
15-25 seconds
The no smoke system will automatically go into filtration mode when put into reverse in none drive through stations for how long?
27 seconds or until the apparatus is stopped and shifted out of reverse
What are times that no smoke can be set? default is 27
10-99 seconds
When did regens start?
2008
Hand position on apparatus equipped with frontal air bags should be
9 and 3 oclock
Use manual rotation for ladder pipe operation or when a firefighter is on the aerial. This only applies to ____
Thibaults
80/80/80 rule ladder pipe
80 degrees of elevation 80 feet extension and 80 psi nozzle pressure
PFR monthly driver maintenance form #
400.01
Best practice for fuel levels….
KEEP THE TANK FULL AT ALL TIMES
Too little oil will do this…. too much oil will do this. Know the normal oil pressure gauge reading
Little: circulated too rapidly
Much: Doesnt have the ability to lubricate
When checking oil, how long since it has been ran?
2o minutes
SAE 40 is used for what?
2 cycle Detroit diesel
SAE 15/40
Series 60 Detroit diesel four cyle (1996 and later) and in gasoline engines
Acceptable travel distance for air drum brakes is…
1 3/4
If brakes are over this, it is an emergency and the shop must be notified for air drum
2 inches
Max travel for air disc brakes and calling the shop
2 inch and 2 1/4 inches
What form is brake check written on?
400.01
This lube is used on aerial cables
CCX 97
aerial cleaning and lubrication is REQUIRED…
Monthly
Lubricate all parts of the aerial except cables with
AMSOIL extreme pressure heavy duty synthetic lithium grease #1
The EPU should be run….
monthly
How long can EPU be run continuously
3 minutes
Alternators generate this many volts
13.8-14.2
A discharged battery will freeze at this and a fully charged battery at this
20 above zero and negative 45
When the pump is engaged, there will usually be an occasional drip of water from the pump packing…. is this normal?
yes
When is vacuum test performed?
annual pump test
After cleaning tracks of doors they should be sprayed with what?
dry silicone such as krylone or Zeplon