Hydraulics Flashcards
(11 cards)
1
Q
How many hydraulic systems are there and what are they?
A
4
- 1st Stage System
- 2nd Stage System
- Rotor Brake System
- Wheel Brake system
2
Q
Which hydraulic is the TRSOV fitted to?
A
1st Stage
3
Q
When does the [1/2 SERVO SYS] Caution post?
(2)
A
- <1600psi
- Servo jam detected
4
Q
When does the priority valve shut?
A
- <2250psi
5
Q
When does the priority valve shut and open?
A
- <2250 - SHUTS
- > 2700 - OPENS
6
Q
What is the purpose of the Priority Valve?
A
Gives priority to the servos during low hyd px.
7
Q
Which hyd system is the Utility System on?
(Land Gear & pedal dampner/yaw trim actuators)
A
2nd stage
8
Q
What makes up the green section of the HYD monitoring on the IIDS?
A
2700-3300psi
9
Q
What kind of servo jams are there?
(2)
A
- Permanent
- Temporary
10
Q
What are your IA’s when you get a SINGLE [SERVO SYSTEM] Caution?
A
- Reduce Speed to <125kts
- Check for control binding - YES
- Turn off affected system
- Land ASAPoss
- Further binding - YES
- Land Immediately
11
Q
What are your IAs for [1 SERVO SYSTEM] & [2 SERVO SYSTEM]?
A
- <125kts
- Check for binding in CYCLIC
(Because the pedals and collective will be stiff anyway) - If binding exists - Land Immediately
