Simon Duplex/ALF aerial ladder quiz Flashcards
The K – braced rungs are 14 inches on center. What diameter are they in inches?
1 1/2 inches
What size, in inches, are the aerials hand rails?
15 inches
The aerial is 94 feet fully extended. What is the fully retracted length in feet?
31’8” fully retracted
Hydraulic cylinders are used for what movements?
Hoist and extend
The aerial ladder inclinometer is a ball type angle indicator with what range?
-20° to 80°
The variable displacement pump creates 2800 psi at what GPM?
20 GPM
Three Ariel school valves are linked to the control levers. They are used to ______, ______ , and _____ .
Hoist
Rotation
Extension
Personnel shall maintain a distance of ______ while climbing the aerial ladder.
10 feet
What is the override switch used for?
Use of the aerial without a fully deployed outrigger
Ariel capacity is based on all weight being removed from the vehicle springs , and force being absorbed by ________ & ________.
The chassis frame and torque box
The aerial is designed with its maximum strength available when?
When it is used unsupported
Always keep the aerial at least _____ feet away from all wires.
10 feet
Do not operate the aerial elevated in winds exceeding ____ miles per hour.
30 mph
During a ladder pipe operation: capacities are established with outriggers fully set, set turntable level within ______ and Aerial unsupported.
3.5°
At 55° to 59° fully extended, what is the weight on each section of the aerial ladder?
250, 250, 250, 250
At 30° to 39° fully extended, what is the weight on each section of the aerial ladder?
250, 250, zero, 250
What is the outrigger spread on the 2000 American LaFrance?
16 feet
According to the logbook what are chock blocks used for?
Preevent walking of apparatus on outriggers
During aerial ladder operations, the preset fast idle is that what RPM?
1500 to 1600 RPM
When operating that outrigger switches, what will happen if you press the beam switch inward?
The beams will move inward
The elevation ranges of the aerial ladder are ____ to ____
-4° to 75°
The rated capacity of the aerial is reduced to 50% when you’re on a grade between ____ & ____
6% to 14% grade
What activates the PTO and where is it mounted to?
An electrical switch, mounted to the transmission
At what PSI will the fully deployed outrigger light illuminate?
800 pounds of pressure on the jacks
When installing an outrigger pin, choose a hole that is a minimum of ___ below the skirt.
1/4” minimum
When the outrigger pin is inserted, pullback _____ on the pin if leveling is not required
1/2”
When extending out Riggers, lower the ____ side until the bubble moves past ____.
Low side, 1/8”
What is true about a 2003 American LaFrance with lockout cylinders?
must be deployed after outriggers,
To front and two rear cylinders,
They lock the fifth wheel
To outriggers have integral holding valves?
Yes, it is a complete system
What is the interlock override switch used for?
Rotation limiting override
The pedestal hydraulic gauge registers PSI from what range?
0 to 5000 PSI
Pressure to rotate the aerial should not exceed what PSI?
1500 psi
Pressure used to extend the aerial should not exceed what PSI?
2800 psi
What is the manual circuit selector used for?
Aerial electrical failure
Where is the outrigger override valve bank located?
Left side of the trailer
The EPU is a _____ volt emergency system that flows ____ GPM at ___psi.
12 Volt
1.5 GPM
2000 psi
The 2006 through 2009 EPU can be operated for how many minutes max?
Seven minutes max
The 1995 through 2003 EPU can be operated for how many minutes max?
Three minutes max
The EPU duty cycle on the 2006 through 2009 ALF is what percent?
23% duty cycle
The EPU duty cycle of a 1993 through 2003 ALF is what percent?
7% duty cycle
The anchor attachment point on the 2009 American LaFrance is how many PSI?
9000 PSI
The capstan is rated at how many pounds?
250 pounds
