_
- do a check and repair the wiring between: the SEL VALVE-CARGO DOORS ELEC/MAN CTL (2500MJ) connector A/A and GND (Ref. ASM 52-35/01),
3 If the fault continues:
_
- do a check for 28 VDC between: the RELAY-TIME (6MJ) connector A/B1 and GND (Ref. ASM 52-35/01),
4 If there is 28 VDC:
_
- do a check and repair the wiring between: the SEL VALVE-CARGO DOORS ELEC/MAN CTL (2500MJ) connector A/B and the RELAY (13MJ) connector A/B3 (Ref. ASM 52-35/01), the SEL VALVE-CARGO DOORS ELEC/MAN CTL (2500MJ) connector A/B and the RELAY (14MJ) connector A/B3 (Ref. ASM 52-35/01), the RELAY (13MJ) connectoe A/B2 and the CB (1MJ) (Ref. ASM 52-35/01), the RELAY (14MJ) connectoe A/B2 and the CB (1MJ) (Ref. ASM 52-35/01).
5 If there is no 28 VDC:
_
- do a check and repair the wiring between: the SEL VALVE-CARGO DOORS ELEC/MAN CTL (2500MJ) connector A/A and GND (Ref. ASM 52-35/01),
(b) If the FWD cargo door does not open:
- replace the CHECK VALVE-DOUBLE (3717GM) (Ref. AMM TASK 52-36-13-000-001) and (Ref. AMM TASK 52-36-13-400-001).
**ON A/C ALL
C. Do this test as given in Para. 3.A. to make sure that the operation is correct.
TASK 52-36-00-810-805
Loss of the System Pressure of the Yellow Hydraulic System and Loss of the
Correct Quantity in the Yellow Hydraulic Reservoir
1. Possible Causes
_______________
R - loss of the system pressure of the yellow hydraulic system R - loss of the correct quantity in the yellow hydraulic reservoir
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
29-13-00-810-801 Loss of the Correct Quantity in the Yellow Hydraulic Reservoir 29-13-00-810-805 Loss of the System Pressure of the Yellow Hydraulic System AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power AMM 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU) AMM 29-23-00-860-002 Connection of the Isolation Coupling of the Power
Transfer Unit (PTU)
AMM 71-00-00-710-003 Engine Automatic Start
AMM 71-00-00-710-027 Engine Shutdown
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35 121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37 121VU HYDRAULIC/Y HYD/PUMP ENG2/CTL 3701GD Q36 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
B. Aircraft Maintenance Configuration
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES
_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
「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 ∞∞52-36-00∞∞∞∞∞∞∞∞∞∞Page 237
May 01/05 CES
(1) Disconnect the isolation coupling of the PTU (Ref. AMM TASK 29-23-00-860-001).
(2) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(3) On panel 50VU, make sure that the HYD/LEAK MEASUREMENT VALVES/Y pushbutton switch is set to on (OFF light not on).
(4) On overhead panel 40VU, make sure that the YELLOW/ENG 2 PUMP pushbutton switch is set to on (OFF light not on).
(5) Start the RH engine (Ref. AMM TASK 71-00-00-710-003).
(6) Look for fault indications on the upper ECAM DU and the lower ECAM DU.
(7) Shut down the RH engine (Ref. AMM TASK 71-00-00-710-027).
4. Fault Isolation_______________
R A. If the fault confirmation gives:
R R R R - the message HYD Y SYS LO PR on the upper ECAM DU, - the system name and the flow arrow of the Yellow hydraulic system in amber on the lower ECAM DU, - the message HYD Y RSVR LO LVL on the upper ECAM DU, - the content indication of the Yellow hydraulic system (shows low fluid level) on the lower ECAM DU in amber, - the PTU P/BSW FAULT on the panel 40VU, - the YELLOW ENG 2 PUMP P/BSW FAULT on the panel 40VU, - the INOP SYS message YELLOW HYD and CARGO DOOR in amber on the status page on the lower ECAM DU: - do the fault isolation procedures for the loss of the system pressure of the yellow hydraulic system (Ref. TASK 29-13-00-810-805) and for the loss of the correct quantity in the yellow hydraulic reservoir (Ref. TASK 29-13-00-810-801).
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