121.17 Flashcards
When the fly section of the aerial ladder cannot be retracted what actions shall occur?
The truck shall be placed out of service and fleet maintenance division shall be notified
Ladder cables shall be inspected
Weekly
Portable ladders pawls shall be cleaned and lubricated when and with what?
Pawl assembly’s shall be cleaned and lubricated weekly using regular motor oil and more frequently if conditions warrant
After arriving on the scene of the fire, the truck shall be placed?
The truck shall be placed on the most level spot available, consistent with emergency requirements
When placing the truck what shall be avoided?
Overhead obstructions, electrical wiring, uneven soft ground
Upon stopping what shall occur?
The automatic parking brake shall be engaged
What shall the truck driver do concerning wheel chocks and regardless of grade
All 4 chocks shall be placed regardless of truck or ladder position and regardless of the grade (uphill,downhill,or level)
If a truck must be placed on a hill, the ladder should be placed?
The tractor shall be kept in line with the trailer and the truck shall be located so that when the ladder is in position to climb, it will be pointing uphill and angled not more than 45 degrees away from the centerline of the truck
Who shall select the best possible positioning of the truck for stability and accomplishment of fireground duties?
Truck officer
Caution must be taken during stormy weather and what precautions should be taken in high winds?
In high winds (35 mph). A guy line shall be attached to the tip of the fly section by passing the end of a lifeline over the top rung, and tying a clove hitch and safety around the rope hanging down
Ladder operations will be accomplished smoothly and rapidly if?
If control levers are moved slowly and evenly
When operating the ladder why is it better to perform one operation at a time?
Very little time is gained by multiple operations because each would be slowed when more than one of the component systems are operated
When rescue operations dictate that the ladder operates in a near horizontal position what may be required?
A short portable ladder under the tip
What could occur if a ladder is climbed beyond its point of rest?
The likelihood of damaging the beams
How many rungs above the edge of the roof should the ladder be extended?
2 or 3 rungs