D/O Aerial Key terms Flashcards
Fire fighting vehicle equipped with a hydraulically operated ladder, elevating platform, or other similar device for the purpose of placing personnel and/or water streams in elevated positions.
Aerial apparatus
General term used to describe the hydraulically operated ladder or elevating platform attached to a specifically designed fire apparatus.
Aerial Device
Power-operated ladder usually employing hydraulics, that is mounted on a special truck chassis.
Aerial Ladder
Trailer equipped with steerable rear wheels.
Tiller Trailer
Assembly of bracing bars or rods in triangular shapes that form a rigid framework for the aerial device.
Aerial Ladder Truss
Extendable section of ground extension or aerial ladder. Also known as?
Fly Section
Device that transfers the center of gravity of an apparatus and prevents it from tipping as the aerial device, hydraulic lifting boom, gin pole, or A-frame is extended away from the centerline of the chassis. Also known as
Stabilizer or outrigger or Stabilizing Jack
Three way valve on a fire department aerial apparatus that directs oil to either stabilizer control valves or the aerial device control valves. Also known as
Selector Valve
Diverter Valve
Hydraulic cylinders used to lift the aerial device from its bed to a working position. Also known as?
Hoisting Cylinder/ Elevation Cylinder or Lift Cylinder.
In a hydraulic cylinder, the pivoting end of the piston rod that is connected to the anchor ear by the heel.
Trunnion
Aerial ladder apparatus that consists of a tractor power unit and trailer (tiller)section that contains the aerial ladder, ground ladders, and equipment storage areas. the trailer section is steered independently of the tractor by the tiller operator.
Tractor- Drawn Aerial Apparatus (TDA)
Driver/Operator of the trailer section of a tractor-tiller aerial ladder apparatus. Also Known as
Tiller Operator/ Tillerman
Work platform attached to the end of an articulating or telescoping aerial device.
Elevating Platform
Power-operated ladder, usually employing hydraulics, with a passenger-carrying device attached to the end of the ladder.
Aerial Ladder Platform
An elevating platform equipped with piping systems and nozzles for elevated master stream operations. Telescoping aerial devices are not meant to be climbed and are equipped with a small ladder that is to be used only for escape from the platform in emergency sitsuations.
Telescoping Aerial Platform
Aerial Device that consist of two or more booms that are attached with hinges and operate in a folding manner. A passenger-carrying platform is attached to the working end of the device.
Articulation Aerial Platform
A 4-inch metal plate that runs around the bottom edge of any railing on a balcony or elevated walkway to prevent someone’s foot from slipping off. Also know as ___________.
Kickplate
A mechanically applied rivet used in the construction of some aerial devices; ____ ____ can only be removed by drilling.
Huck Bolt
Aerial device primarily intended for deploying an elevated master stream; not generally intended for climbing operations. Also known as?
Water Tower/ Elevating Master Stream Device.
Apparatus that serves as an engine and as a ladder truck; equipped with a fire pump, water tank, ground ladders, hose bed, and aerial device.
Quint
Prevent Fluid from flowing backward through a component and act as a safety feature in the event that a leak develops in the system.
Check Valve
Limit the pressure built up in the system, thus preventing damage due to overpressurization.
Relief Valve
Prevent unintentional or undesirable motion of the device from its established postion.
Counterbalance Valve
Graphical or tabular description of the load that can be distributed on an aerial device based on factors such as extension, elevation, stabilizer set-up, wind water flow, and ice-load.
Load Chart
