Chapter 7 Stabilizing the Apparatus

Question 1

Pneumatic PTO operated systems require anywhere from ____ to ____ psi air pressure for the PTO to be operated.

Answer 1

50psi to 140psi

Question 2

Correction of lateral unevenness can be achieved on grades of up to what?

Answer 2

5 or 6%

Question 3

Define a 5% grade.

Answer 3

there is a rise in terrain height of 5 ft. for every 100 ft.

Question 4

When operating on a lateral slope, what side should the aerial device be operated over?

Answer 4

the high side

Question 5

When operating the stabilizers on a lateral slope, what side do you lower first.

Answer 5

lower the “high” side first till contact is made and then level the apparatus with the “low” side stabilizers

Question 6

Does lateral or longitudinal grades pose the most problems?

Answer 6

Longitudinal–if not corrected, the ladder will be raised “crooked” and will decrease the load capacity of the ladder