(2) Make sure that the aircraft electrical circuits are de-energized (Ref. AMM TASK 24-41-00-862-002).
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TASK 29-12-00-810-803
Loss of the Correct Quantity in the Blue Hydraulic Reservoir
1. Possible Causes
_______________
- SDAC-1 (1WV1)
- SDAC-2 (1WV2)
- LOW LEVEL SWITCH
- wiring
- QUANTITY INDICATOR - TRANSMITTER
- hydraulic lines
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-54-00-810-831
31-54-00-810-832
AMM 12-32-28-281-001
AMM 24-41-00-861-002
AMM 29-00-00-280-002
AMM 29-00-00-790-001
AMM 29-12-41-000-002
AMM 29-12-41-000-003
AMM 29-12-41-400-002
AMM 29-12-41-400-003
AMM 29-31-00-710-001
AMM 31-55-34-000-001
AMM 31-55-34-400-001
AMM 31-60-00-860-001
ASM 29-12/01
ASM 29-31/01
ASM 29-31/01
ASM 29-31/02
ASM 31-54/01
Loss of the BLUE RSVR QTY Input of the SDAC 1Loss of the BLUE RSVR QTY Input of the SDAC 2Drain Water ContentEnergize the Aircraft Electrical Circuits from the External PowerCheck of the Internal Leakage of the Blue Hydraulic SystemCheck of the External Leaks of the Hydraulic ComponentsRemoval of the Quantity Indicator of the Blue Hydraulic ReservoirRemoval of the Low Level Switch of the Blue Hydraulic ReservoirInstallation of the Quantity Indicator of the Blue Hydraulic SystemInstallation of the Low Level Switch of the Blue Hydraulic SystemFunctional Check of Reservoir Low Level WarningRemoval of the SDAC (1WV1,1WV2)Installation of the SDAC (1WV1,1WV2)EIS Start Procedure
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3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
(3) On the ECAM control panel on the center pedestal, push the HYD pushbutton switch. Make sure that the HYD page is shown on the system display of the ECAM.
(4) Look for fault indications on the upper ECAM DU, the lower ECAM DU and panel 40VU.
4. Fault Isolation
_______________
A. If the Fault Confirmation gives:
- the message HYD B RSVR LO LVL on the upper ECAM DU
- the contents indication (shows low-fluid level) on the lower ECAM DU in amber,
- the BLUE ELEC PUMP P/BSW FAULT on panel 40VU,
- the single chime and the MASTER CAUT lights come on:
- do a visual check of the quantity shown on the mechanical indicator of the Blue reservoir.
(1) If the quantity shown is more than or equal to 2.4 l (0.6340 USgal):
- do a check for 28 VDC between: LOW LEVEL SWITCH connector B/A and connector B/C (Ref. ASM 29-31/02).
(a) If there is no 28 VDC:
- do a check of the wiring between: LOW LEVEL SWITCH connector B/C and CB (1832GQ) and repair the wiring as necessary (Ref. ASM 29-31/02).
(b) If there is 28VDC:
- replace the LOW LEVEL SWITCH (Ref. AMM TASK 29-12-41-000-003) and (Ref. AMM TASK 29-12-41-400-003).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞29-12-00∞∞∞∞∞∞∞∞∞∞Page 216
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