A340_HYD
1
P2 P1 P3 P2 S2 S1 P1 P1 S1 S2 P2 P3 P1 P1 S1 P3 P2 S2 S1 SFCC 2 [DC ESS LAND REC] SFCC 2 [DC2] SFCC 1 [DC2] SFCC 1 [DC ESS SHED LAND REC] ELEC PUMP [AC1-1,DC1] SHUT OFF VLV [DC2, DC ESS] [DC ESS] ENG 2 REV ENG 3 REV ENG 1 REV ENG 4 REV NORM BRK Gear & doors selector valves NOSE WHEEL STEERING ALTN & PARK BRK ELEVATOR ACTUATOR MODES - active, electrically controlled - damping, follows surface - centering, hydraulically maintained in neutral only if 4 jacks are unpowered (both sides) AILERONS ACTUATOR MODES - active, electrically controlled - damping, follows surface ROLL DEFLECTION LIMITS - 25° for ailerons - 35° for spoilers MOT MOT MOT1 [DC ESS SHED] MOT1 [DC ESS SHED] ART FEEL MOT2 [DC2] MOT3 [DC2] MOT2 [DC2, DC1] TRIM WHEEL ACTUATOR BYDU BACKUP YAW DAMPER UNIT ACTUATOR S2 S1 S2 S1 RUDDER TRIM YAW DAMPER RUDDER PEDALS MOT1 [DC ESS] MOT2 [DC2] S2 S1 BSCU CH1 [DC1] CH2 [DC2] BSCU LGCIU 1 [LAND REC] LGCIU 2 [DC2] RUDDER LIMITER NORMAL = PTLU Pedal Travel Limit Unit NORMAL SERVO VALVE LANDING SAFETY VALVE BOGIE PITCH TRIMMER ALTERNATE SERVO VALVE DUAL VALVE PARKING BRAKE VALVE DUAL SHUTTLE VALVE LP DISTRIBUTION LINE NORMAL SELECTOR VALVE AUTOMATIC SELECTOR SERVO VALVE G HYD from nose gear doors closing circuit GRAVITY EXTENSION CUT OUT VALVE ACCU ELEVATORS AILERONS / SPOILERS SLATS FLAPS LANDING GEAR / NWS A343 FLIGHT CONTROL LAWS HYDRAULICS BRAKES RUDDER A343E (HB-JMH/I) RUDDER A343C (HB-JMA-G/J-O) STABILIZER TRIM NWS LIMITS Steering hanwheels: max 72° at 14kts, 0° at 100kts Rudder pedals: TO: max 6° at 100kts, 0° at 150kts LDG: max 6° at 40kts, 0° at 100kts Towing max 65° Oversteer at 93° LIMITATIONS Normal pressure 3000 ± 200 psi RAT pressure ~2500 psi Fluid SKYDROL LD4 RESERVOIR PRESSURIZATION is achived by HP bleed air from engine 1 or x-duct bleed RAT comes automatic out if all eng fail or G+B LO LVL or (ENG 1+4 FAIL and AC BUS 1.1 + 2.4 FAIL) GEAR LIMITS retraction 250kts/.55 extension 250kts/.55 extended 250/M.55 gravity ext 200kts max alt ext 21'000ft gear dn flt 255/M.60 tire speed 204kts ACCU designed for 7 full brakes application or at least 12 hrs prk brk AUTOBRAKE mode delay decel LO 1s 1.8m/s2 MED 0s 3m/s2 MAX max pressure DECEL light illuminates if 80% of rate in LO or MED and if 2.65m/s2 decel in MAX mode !!! NOT FOR OPERATIONAL USE !!! A340 ©Pierre-Michel Gasser , 26.3.2009 LIMITS 85% of deflection limited to 29° RUDER LIMITS 35° < 150kts Max deflection 31.6° 4° > 350kts ELEVATOR DEFLECTION LIMITS - 30° nose up - 15° nose down STABILIZER LIMITS 14° nose up 2° nose down P3 S1 P1 P2 S2 P3 P3 S1 S1 P1 GND SPLR and SPD BRK S2 P2 WTB P1 P2 S2 S1 S2 P3 6 5 4 3 2 1 Maneuver Load Allevation Roll Control WTB SFCC1 SFCC2 WTB SFCC2 SFCC1 SFCC1 SFCC2 WTB SFCC1 SFCC2 SLATS / FLAPS ECAM Slats Flaps (ailerons) VFE 1 20° 0° (0°) 255kts 1+F 20° 17° (10°) 215kts 2 RELIEF 24° 17° (10°) 205kts 2 24° 22° (10°) 196kts 3 24° 26° (10°) 186kts FULL 24° 32° (10°) 180kts Max altitude with Flaps/Slats extended is 20’000ft Slats ALPHA LOCK if α > 8.5° or IAS < 148kts T/O with conf 1+F, auto flaps retract at 200kts ELEC PUMP [AC1-2,DC2] HAND PUMP ENG3 PUMP RESERVOIR RESERVOIR RAT ACCU CARGO DOORS ENG2 PUMP RESERVOIR ACCU ELEC PUMP [AC2-3,DC1] ENG4 PUMP ENG1 PUMP EMER GEN ART FEEL MOT1 MOT2 GRAVITY EXTENSION SYS 1 [HOT 1] SYS 2 [HOT 2] ( IAS<280kts or MLG on GND ) and Gear Lever Down [DC ESS] ELEC GEN ELEC GEN ELEC GEN ELEC GEN PITCH GND FLT FLARE ROLL PROTECTIONS Direct deflection Direct deflection Roll rate Load factor +2.5g / -1g clean Load factor +2g / 0g not clean = Pitch 30°up / 15°down = Bank 67° / 33° stick neutral Side slip blue if eng failure High α, Vα prot, Vα floor, Vα max = High speed VMO+4, bank 0° with stick neutral Low energy warning Flaps 2,3 or FULL 100ft - 2000ft Direct deflection 50ft pitch down order Load factor demand Auto pitch Trim if less than 33° bank ALTN 1 same as Normal Same as Normal except: X no Pitch & Low energy prot High α: LOST if VS1g computation failure Low speed, nose down demand 5-10kts > Stall warning High speed, light nose up demand, symbol disappears ALTN 2 Roll direct Spoiler 2,3 & 6 u/s Yaw alternate Same as Altn 1 except: X no Bank prot no Low speed prot if 2 ADR failed no High speedif 3 ADR failed DIRECT MECHANICAL BACK-UP Roll direct Yaw alternate No protection except Overspeed & Stall RUDDER ONLY Yaw by BYDU A343E with BCM RA<100ft RA>50ft BRAKE TEMPERATURE - T/O max 300°C - tyre deflates at ~800°C Maintenance action required if: - (TEMP difference on same gear > 150°C) and (1 BRK > 600°C or < 60°C) - average diff TEMP L/R > 200°C - a fuse plug has melt - Brake temp > 800°C x x PRIM 1 [DC ESS, HOT] SEC 1 [DC ESS, HOT] PRIM 2 [DC 2, DC 1] SEC 2 [DC 2, DC 1] FCDC 1 [DC ESS] FCDC 2 [DC 2] PRIM 3 [DC 2, DC 1] MOT1 [DC ESS SHED] MOT2 [DC2] S2 S1 RUDDER TRIM PFTU (Pedal Feel and Trim Unit) + BCM Backup Control Module ACTUATOR ACTUATOR ACTUATOR CTL [DC1] CTL [DC1] CTL [DC2] CTL [DC2] [DC2, DC ESS] [DC ESS] AUTO CTL [DC ESS] MAN CTL [HOT] A343 same as Normal same as Normal Direct control Manual pitch trim only F/CTL ALTN LAW (PROT LOST) F/CTL ALTN LAW (PROT LOST) F/CTL DIRECT LAW (PROT LOST) F/CTL L + R ELEV FAULT USE MAN PITCH TRIM MAN PITCH TRIM ONLY ELECTRIC PUMPS Flow is ~18% of eng pump, used to retract surfaces but not to replace the eng pumps. G ELEC PUMP runs 25’ if ENG 1 (4) FAIL and GEAR selected up and speed>100kts or on GND with ENG 1 & 4 stopped to provide braking and nose wheel streering Y ELEC PUMP runs if ENG 3 FAIL and FLAPS not 0° and speed>100kts
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Transcript of A340_HYD
P2P1 P3
P2
S2S1
P1P1
S1S2
P2
P3
P1P1S1
P3
P2
S2
S1
SFCC 2
[DC ESSLAND REC]
SFCC 2[DC2]
SFCC 1
[DC2]
SFCC 1[DC ESS SHED
LAND REC]
ELECPUMP
[AC1-1,DC1]SHUT OFF VLV[DC2, DC ESS] [DC ESS]
ENG 2REV
ENG 3REV
ENG 1REV
ENG 4REV
NORM BRK
Gear & doorsselector valves
NOSEWHEEL
STEERINGALTN & PARK BRK
ELEVATOR ACTUATOR MODES- active, electrically controlled- damping, follows surface- centering, hydraulically maintained in neutralonly if 4 jacks are unpowered (both sides)
AILERONS ACTUATOR MODES- active, electrically controlled- damping, follows surfaceROLL DEFLECTION LIMITS- 25° for ailerons- 35° for spoilers
MOT MOT
MOT1[DC ESSSHED]
MOT1[DC ESSSHED]
ARTFEEL
MOT2[DC2]
MOT3[DC2]
MOT2[DC2, DC1]
TRIM WHEEL
ACTUATOR
BYDU
BACKUP YAWDAMPER UNIT
ACTUATOR
S2
S1
S2
S1
RUDDERTRIM
YAW DAMPER
RUDDERPEDALS
MOT1[DC ESS]
MOT2[DC2] S2
S1
BSCUCH1 [DC1]
CH2 [DC2] BSCU
LGCIU 1[LAND REC]
LGCIU 2[DC2]
RUDDERLIMITER
NORMAL
=
PTLUPedalTravelLimitUnit
NORMAL SERVOVALVE
LANDINGSAFETYVALVE
BOGIEPITCH
TRIMMER
ALTERNATESERVOVALVE
DUALVALVE
PARKINGBRAKEVALVE
DUALSHUTTLE
VALVE
LP DISTRIBUTION LINE
NORMALSELECTOR
VALVE
AUTOMATICSELECTOR
SERVOVALVE
G HYD fromnose gear doorsclosing circuit
GRAVITYEXTENSION
CUT OUTVALVE
ACCU
ELEVATORS
AILERONS / SPOILERS
SLATSFLAPS
LANDING GEAR / NWS
A343 FLIGHT CONTROL LAWS
HYDRAULICS
BRAKES
RUDDERA343E (HB-JMH/I)
RUDDER A343C (HB-JMA-G/J-O)
STABILIZERTRIM
NWS LIMITSSteering hanwheels:max 72° at 14kts, 0° at 100ktsRudder pedals:TO: max 6° at 100kts, 0° at 150ktsLDG: max 6° at 40kts, 0° at 100ktsTowing max 65°Oversteer at 93°
LIMITATIONSNormal pressure 3000 ± 200 psiRAT pressure ~2500 psiFluid SKYDROL LD4RESERVOIR PRESSURIZATIONis achived by HP bleed air fromengine 1 or x-duct bleed
RAT comes automatic out if all eng fail or G+B LO LVL or (ENG 1+4 FAIL and AC BUS 1.1 + 2.4 FAIL)
GEAR LIMITSretraction 250kts/.55extension 250kts/.55extended 250/M.55gravity ext 200ktsmax alt ext 21'000ft gear dn flt 255/M.60tire speed 204kts
ACCUdesigned for 7 full brakes application or at least 12 hrs prk brk
AUTOBRAKEmode delay decelLO 1s 1.8m/s2MED 0s 3m/s2MAX max pressureDECEL light illuminates if 80% of rate in LO or MED and if 2.65m/s2 decel in MAX mode
!!! NOT FOR OPERATIONAL USE !!! A340 ©Pierre-Michel Gasser , 26.3.2009
LIMITS85% of
deflectionlimited to 29°
RUDER LIMITS35° < 150kts
Max deflection 31.6°
4° > 350kts
ELEVATOR DEFLECTION LIMITS- 30° nose up- 15° nose down
STABILIZER LIMITS14° nose up2° nose down
P3
S1P1
P2S2
P3
P3
S1 S1
P1
GND SPLR and SPD BRK
S2
P2 WTB P1 P2
S2S1 S2 P3
65
43
21
Maneuver Load AllevationRoll Control
WTB
SF
CC
1
SF
CC
2
WTB
SF
CC
2
SF
CC
1
SF
CC
1
SF
CC
2
WTB
SF
CC
1
SF
CC
2
SLATS / FLAPSECAM Slats Flaps (ailerons) VFE1 20° 0° (0°) 255kts1+F 20° 17° (10°) 215kts2 RELIEF 24° 17° (10°) 205kts2 24° 22° (10°) 196kts3 24° 26° (10°) 186kts
FULL
24° 32° (10°) 180kts
Max altitude with Flaps/Slats extended is 20’000ftSlats ALPHA LOCK if α > 8.5° or IAS < 148ktsT/O with conf 1+F, auto flaps retract at 200kts
ELECPUMP
[AC1-2,DC2]
HANDPUMP
ENG3PUMP
RESERVOIRRESERVOIR
RAT
ACCU CARGODOORS
ENG2PUMP
RESERVOIR
ACCU
ELECPUMP[AC2-3,DC1]
ENG4PUMP
ENG1PUMP
EMERGEN
ARTFEEL
MOT1
MOT2
GRAVITYEXTENSIONSYS 1 [HOT 1]
SYS 2 [HOT 2]
( IAS<280kts or MLG on GND )
andGear Lever Down
[DC ESS]
ELECGEN
ELECGEN
ELECGEN
ELECGEN
PITCHGND
FLT
FLARE
ROLL PROTECTIONSDirect deflection Direct deflection
Roll rate
Load factor +2.5g / -1g cleanLoad factor +2g / 0g not clean= Pitch 30°up / 15°down= Bank 67° / 33° stick neutralSide slip blue if eng failureHigh α, Vα prot, Vα floor, Vα max= High speed VMO+4, bank 0° with stick neutralLow energy warning Flaps 2,3 or FULL 100ft - 2000ft
Direct deflection50ft pitch down order
Load factor demandAuto pitch Trim if lessthan 33° bank
ALTN 1same as Normal
Same as Normal except:X no Pitch & Low energy protHigh α: LOST if VS1g computation failureLow speed, nose down demand 5-10kts > Stall warningHigh speed, light nose up demand, symbol disappears
ALTN 2Roll directSpoiler 2,3 & 6 u/sYaw alternate
Same as Altn 1 except:X no Bank protno Low speed prot if 2 ADR failedno High speedif 3 ADR failed
DIRECT
MECHANICAL BACK-UP
Roll directYaw alternate
No protection except Overspeed & Stall
RUDDER ONLYYaw by BYDUA343E with BCM
RA<100ft
RA>50ft
BRAKE TEMPERATURE- T/O max 300°C- tyre deflates at ~800°C
Maintenance action required if:- (TEMP difference on same gear > 150°C) and (1 BRK > 600°C or < 60°C)- average diff TEMP L/R > 200°C- a fuse plug has melt- Brake temp > 800°C
x
x
PRIM 1[DC ESS, HOT]
SEC 1[DC ESS, HOT]
PRIM 2[DC 2, DC 1]
SEC 2[DC 2, DC 1]
FCDC 1[DC ESS]
FCDC 2[DC 2]
PRIM 3[DC 2, DC 1]
MOT1[DC ESSSHED]
MOT2[DC2]S2
S1
RUDDER TRIMPFTU(Pedal Feel andTrim Unit)
+
BCMBackupControlModule
ACTUATOR
ACTUATOR
ACTUATOR
CTL [DC1] CTL [DC1] CTL [DC2] CTL [DC2]
[DC2,DC ESS]
[DC ESS]
AUTO CTL[DC ESS]MAN CTL[HOT]
A343
same as Normal
same as Normal
Direct control
Manual pitch trim only
F/CTL ALTN LAW (PROT LOST)
F/CTL ALTN LAW (PROT LOST)
F/CTL DIRECT LAW (PROT LOST)
F/CTL L + R ELEV FAULT
USE MAN PITCH TRIM
MAN PITCH TRIM ONLY
ELECTRIC PUMPSFlow is ~18% of eng pump, used to retractsurfaces but not to replace the eng pumps.
G ELEC PUMP runs 25’ if ENG 1 (4) FAILand GEAR selected up and speed>100ktsor on GND with ENG 1 & 4 stopped toprovide braking and nose wheel streering
Y ELEC PUMP runs if ENG 3 FAIL and FLAPS not 0° and speed>100kts
