Chapter 12 - Hydraulics Flashcards
1
Q
What type of fluid does the hydraulic system use?
A
MIL-H-5606
2
Q
What is the range of normal hydraulic system pressure?
A
1400 to 1550 psi
3
Q
What is the range of auxiliary hydraulic system pressure?
A
1000 to 1125 psi
4
Q
What is the operating-cycle time limit for the auxiliary hydraulic pump?
A
3 minutes on and 20 minutes off
5
Q
What hydraulically actuated systems are not powered by the auxiliary hydraulic system?
A
Spoilers and thrust reversers
6
Q
What does illumination of the L or R HYD PRESS annunciator indicate?
A
Less than 150-psi pump pressure
7
Q
What is the normal range for the hydraulic accumulator pressure?
A
750 to 850 psi
8
Q
What must be done prior to checking the hydraulic reservoir level and accumulators?
A
Bleed-off system pressure
