Aerial Operation

Question 1

Jackknife Warning Buzzer

Answer 1

first buzzer at 65 degrees, second at 80 degrees

Question 2

Aerial ladder is made of

Answer 2

all rectangular tubular steel, welded construction.

Question 3

Handrails?

Answer 3

15”

Question 4

Rungs

Answer 4

1 1/2” diameter K braced rungs

Question 5

Rung spacing

Answer 5

14” on center

Question 6

Retracted length

Answer 6

31.8”

Question 7

Extended length

Answer 7

94’

Question 8

Never operate aerial on the same side as

Answer 8

the short jack outrigger

Question 9

Stay ___ from power lines

Answer 9

10 feet

Question 10

Do no operate with ladder elevated in wind conditions exceeding ___

Answer 10

30 mph

Question 11

Full, rated capacities are allowable on grades up too

Answer 11

6% or 3.5 degrees

Question 12

Half, rated capacities on grades between _____

Answer 12

6% to 14% or 3.5 to 8 degrees.

Question 13

Fast Idle Switch

Answer 13

1500-1600 RPM

Question 14

Interlock Override Switch

Answer 14

Allows the jack cylinder to be lowered to the going with the beam being fully extended. SHORT JACK

Question 15

Manual Circuit Selector/ Blocking solenoid

Answer 15

In the event of an electrical failure, this allows hydraulic fluid to the outrigger valve bank and aerial controls.

Question 16

Inclinometer

Answer 16

A floating ball typer angle indicator calibrated from -20 to 80 degrees.

Question 17

Swing drive system

Answer 17

Made up a of gear reduction drive powered by a hydraulic motor. controls the braking of the aerial

Question 18

Aerial Extension Indicators

Answer 18

Located along the handrails of the main section are extension indicators marked off in 5 foot increments.

Question 19

At the tip of the inner mid section is a red tape indicator

Answer 19

when it is lined up with one of the main section indicators, the length in feet that the ladder is extended can be determined

Question 20

Extension Gauge Control

Answer 20

When the aerial is extended, a small wire connected to the tip of the inner mid section is pulled out of the this unit. the movement is transferred to the extension gauge located on the pedestal.

Question 21

Greatest reach is attained?

Answer 21

Over the side

Question 22

Best stability is?

Answer 22

over the rear, defined as angles up to and including 45 degrees to either side of the apparatus centerline.

Question 23

Intercom system

Answer 23

is handsfree, has no controls to operate when communicating or listening

Question 24

Lubing aerial ladder

Answer 24

Hoist ladder to 60 degrees and then retract, Fifth wheel 60 degrees to left and 60 degrees to the right