HYDRAULIC SYSTEMS Flashcards
1
Q
WHAT IS THE NORMAL OPERATING PRESSURE OF THE HYDRAULIC SYSTEM?
A
3000PSI
(2500PSI RAT, BLUE)
FCOM-DSC-29-10-10
2
Q
WHAT DO THE PRIORITY VALVES PROTECT IN THE HYDRAULICS?
A
At low pressure the priority valves protect:
- GREEN - LANDING GEAR & SLATS/FLAPS
- BLUE - EMER GEN, SLATS
- YELLOW - FLAPS
FCOM-DSC-29-10-30
3
Q
WHICH HYD SYSTEMS OPERATE WHICH FLT CTRLS RESPECTIVELY?
A
SLATS - BG/GB AIL - BG/GB FLAPS - YG/GY GND SPOILERS GYBYG/GYBYG ELEV - BG/YG RUDDER - ALL
4
Q
WHEN DOES THE PTU OPERATE?
A
PRESSURE DIFFERENCE OF 500PSI
5
Q
WHAT ARE THE RESEVOIR QUANTITIES OF EACH RESPECTIVE SYSTEM?
A
G - 14.5L
B - 6.5L
Y - 12.5L
6
Q
AT WHAT POINT DO YOU GET LO PR ALERTS?
A
G/Y - 1750 OR LESS
B - 1450 OR LESS
FCOM-PRO-ABN-HYD
7
Q
MAIN CONSIDERATIONS FOR A B+Y HYD FAILURE?
A
GRAVITY GEAR EXTENSION CAT 1 SLATS/FLAPS SLOW FLAP 3 LANDING 1 REV NO NWS
8
Q
MAIN CONSIDERATIONS FOR G+B HYD FAILURE?
A
POOR HANDLING (1 ELEV, NO AIL, 2 SPOILERS) DO NOT USE SPD BRK ALT LAW CAT 1 WHEN 200 KT, GEAR DOWN FLAP 3 LANDING USE SPD SEL -5 KT GRAVITY GEAR EXTENSION (DIRECT LAW) BRAKING ALTERNATE 1 REV
9
Q
MAIN CONSIDERATIONS FOR G+Y FAILURE?
A
ALT LAW CAT 1 FLAP 3 LANDING CONFIGURE FLAP 3 VAPP BEFORE GEAR DOWN DIRECT LAW PITCH AUTHORITY REDUCED NO REV BRK Y ACCU 7 APPLICATIONS (NO ANTI-SKID) NO NWS
