LADDER ASSEMBLY Flashcards
Atrial reach: The four-section steel ladder will extend to a height of ___’ above ground at ___° AND ___’ horizontal at ___°. The aerial will go to ___° above horizontal
107’
75°
100’
0°
77°
The extra 7 foot in the vertical reach of the aerial versus the horizontal reach is attributed to the distance from the ____ to the____.
ground
turntable
The tip of the Ariel has a ____lb. Capacity dry at Full extension and ___lb. wet. The tip is the red section at the end of the aerial, it consist of the last two wrongs. This tip section is designed to break away, as a safety feature, to protect the rest of the aerial.
750lb
500lb
The tiller ladder has a flow capacity up to ____ GPM with an automatic fog nozzle or smoothbore nozzle.
It is capable of discharging up to ____GPM at ____ psi with the nozzle in any position in a ___ mph wind
1000 GPM
1000 GPM
100 psi
50 mph
NOTE: The ladder piping on JFRD ladder trucks, except for tower ladders, it’s designed with a maximum rated capacity of 1000 GPM. The maximum flow rating on the automatic fog nozzles on the end of JFRD ladder trucks is _____ GPM.
REMEMBER: The water pipe itself is only designed to flow 1000 GPM.
2000 GPM
The aerial has the capability of going ___° below horizontal by adjusting the stabilizers and ___° below horizontal when manipulating stabilizers and the ariel. This coupled with the nozzles ability to be pointed upward at __° angle allows for a ____ ____. (useful on strip malls, storefronts, and garage doors etc.) or some level of below grade access. 
5°
15°
30°
Blitz attack
Tiller ladder specs
Height:
Length:
GVWR:
11ft. 1.19in.
58ft. 7.5in.
73,300 lbs
36.65 tons
The ladder has a safety factor of ___ to ___ (__:__) based on the ____ ____
2 to 1 (2:1)
Rated load
The ladder is equipped with ____ ____ ____ and a ____ ____ to restrict ladder movement when system hydraulic pressure is not present
Holding valve cartridges
And
Rotational brake
