UH-60 HYDRAULIC SYSTEM UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

UH-60 HYDRAULIC SYSTEM UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. What pressure does the hydraulic system operate at
Answer:
3000 psi

Question:
2. How many filters do the hydraulic pumps have
Answer:
2

Question:
3. How much pressure does the pressure valve springs have.
Answer:
1000

Question:
4. What 5 lights bring on the backup pump?
Answer:
#1 Rsvr Low (Caution) #1 Hyd Pump Fail (Caution) #1 T/R Servo Fail (Caution) #2 Hyd Pump Fail
(Caution) APU Accum Low (Advisory)

Question:
5. Backup hydraulic pump provides pressure to
Answer:
APU accumulator Backup for all other systems

Question:
6. #2 Hydraulic system provides pressure to
Answer:
1) Second stage primary servos (forward, aft, and lateral).
2) Pilot Assist module (Boost, SAS, and Pitch Trim).

Question:
7. #1 Hydraulic system provides pressure to
Answer:
1) first stage primary servo
2) First stage tail rotor servo.

Question:
8. What does SAS do
Answer:
Enhances dynamic stability through short term rate dampening in pitch, roll, and yaw.

, Question:
9. What does trim do?
Answer:
Provides a gradient force, maintains position of cyclic and tail rotor controls, and provides muscle for FPS.

Question:
10. What does boost do
Answer:
"Power steering" for pilots

Question:
11. What servo trim is works through hydraulic pressure
Answer:
Pitch trim actuator

Question:
12. What's the first thing the backup hydraulic pump runs through
Answer:
Utility module

Question:
13. What's the first thing the #1 hydraulic pump runs through
Answer:
#1 transfer module

Question:
14. What's the first thing the #2 hydraulic pump runs through
Answer:
#2 transfer module

Question:
15. What's does both transfer modules consist of
Answer:
Pressure switch 2 shut off valves Transfer valve

Question:
16. Are all 3 hydraulic pumps interchangeable
Answer:
Yes

Question:
17. What system isolates and detects leaks
Answer:
LDI