- TIME RELAY (3816GX)
- SOL VALVE-PTU, G (1012GL)
- SOL VALVE-PTU, Y (3012GL)
- MANIFOLD,PTU (1113GM)
- P/BSW HYD/PTU/AUTO (1802GL)
- wiring R
- MANIFOLD,PTU (3015GM)
2. Job Set-up Information
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A. Referenced Information
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REFERENCE DESIGNATION
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AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power AMM 29-11-15-000-001 Removal of the Power Transfer Unit (PTU) Manifold of the Green Hydraulic System AMM 29-11-15-400-001 Installation of the Power Transfer Unit (PTU) Manifold of the Green Hydraulic System AMM 29-13-15-000-001 Removal of the Power Transfer Unit (PTU) Manifold of the Yellow Hydraulic System AMM 29-13-15-400-001 Installation of the Power Transfer Unit (PTU) Manifold of the Yellow Hydraulic System AMM 29-23-00-860-002 Connection of the Isolation Coupling of the Power Transfer Unit (PTU) AMM 29-23-41-000-001 Removal of the Green/Yellow Power Transfer Unit 1088GM AMM 29-23-41-400-001 Installation of the Green/Yellow Power Transfer Unit 1088GM AMM 29-23-51-000-001 Removal of the Solenoid Valve 1012GL of the Power Transfer Unit AMM 29-23-51-000-002 Removal of the Solenoid Valve 3012GL of the Power Transfer Unit AMM 29-23-51-400-001 Installation of the Solenoid Valve 1012GL of the Power Transfer Unit AMM 29-23-51-400-002 Installation of the Solenoid Valve 3012GL of the
Power Transfer Unit
AMM 31-60-00-860-001 EIS Start Procedure
AMM 71-00-00-710-003 Engine Automatic Start
AMM 71-00-00-710-028 Engine Shutdown
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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
ASM 29-23/01
ASM 29-24/01
3. Fault Confirmation
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A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(2) Make sure that the PTU P/BSW is in the AUTO position (OFF light not on).
(3) Make sure that the cargo compartment doors are not in operation with the Yellow electric pump.
(4) Make sure that the isolation coupling of the PTU is connected (Ref. AMM TASK 29-23-00-860-002). If the isolation coupling is connected do the subsequent steps:
(5) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. AMM TASK 31-60-00-860-001).
(6) Do an automatic start of both engines (Ref. AMM TASK 71-00-00-710-003).
NOTE : The HYD PTU FAULT message may come on at the upper ECAM DU if
____ you do an engine start within 30 sec of an operation of the cargo doors (with the Yellow electric pump).
(7) 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.
(8) Look for fault indications on the upper ECAM DU and the lower ECAM DU.
(9) Shut down the engines (Ref. AMM TASK 71-00-00-710-028).
4. Fault Isolation
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A. If after start of the second engine: -the HYD PTU FAULT on the upper ECAM DU, -the pressure difference in the hydraulic systems is more than 650 psi
- replace the PTU (Ref. AMM TASK 29-23-41-000-001) and (Ref. AMM TASK 29-23-41-400-001).
「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 ∞∞29-23-00∞∞∞∞∞∞∞∞∞∞Page 202
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R **ON A/C 001-049, 051-058, 101-101,
B. If after start of the second engine: -the HYD PTU FAULT on the upper ECAM DU is shown, -the hydraulic system of the second engine is not pressurized:
- do a check for 28 VDC between: the SOL VALVE-PWR TRANSFER,Y (3012GL) connector A/A and the connector A/B, the SOL VALVE-PWR TRANSFER,G (1012GL) connector A/A and the connector A/B (Ref. ASM 29-23/01).
(1) If there is 28 VDC:
NOTE : Make sure that:
____ the SW PARK BRK CTL (73GG) is set to off, the Nose L/G is compressed, no towing arm is installed.
- do a check for 28 VDC at the : the P/BSW HYD/PTU/AUTO (1802GL) connector C2 (Ref. ASM 29-23/01).
(a) If there is 28 VDC:
- replace the P/BSW HYD/PTU/AUTO (1802GL).
(b) If the fault continues:
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