(b) If the fault continues:
- replace VALVE-OUTFLOW (10HL) (Ref. AMM TASK 21-31-51-000-001) and (Ref. AMM TASK 21-31-51-400-001).
B. Do the test given in Para. 3.B.
「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 ∞∞31-54-00∞∞∞∞∞∞∞∞∞∞Page A248
Aug 01/05R
CES Loss of One Analog Output of the Cabin Pressure Controller 1 to the SDAC 2
1. Possible Causes
_______________
- SDAC-2 (1WV2)
- VALVE-OUTFLOW (10HL)
- wiring
- VALVE-OUTFLOW (10HL), FEEDBACK ASSEMBLY
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 21-31-51-000-001 Removal of the Outflow Valve 10HL (From Inside) AMM 21-31-51-000-005 Removal of the Outflow Valve (10HL) - Feedback
Assembly 10HL-6 AMM 21-31-51-400-001 Installation of the Outflow Valve 10HL (From Inside) AMM 21-31-51-400-005 Installation of the Outflow Valve (10HL) - Feedback
Assembly 10HL-6 AMM 31-50-00-710-001 Ground Scanning of the Central Warning System AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2) AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2) ASM 31-54/02 ASM 31-54/02
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/CAB/PRESS/CTL1 1HL D09
B. Test Do the operational test of the central warning systems (Ref. AMM TASK 31-50-00-710-001).
「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 ∞∞31-54-00∞∞∞∞∞∞∞∞∞∞Page A249
Aug 01/05R
CES 4. Fault Isolation
_______________
A. If the test gives the maintenance message:
SDAC2: NO CPC1 ANALOG SIGNAL
- replace the SDAC-2 (1WV2) (Ref. AMM TASK 31-55-34-000-001) and (Ref. AMM TASK 31-55-34-400-001).
(1) If the fault continues:
- do a check of the wiring from SDAC 2 (1WV2) pins AB/10C, 10D to the first terminal block (Ref. ASM 31-54/02).
(a) If there is no continuity:
- repair the above wiring.
(b) If there is continuity:
- do a check of the wiring from SDAC 2 (1WV2) pins AE/10E, 10F to the first terminal block (Ref. ASM 31-54/02).
1 If there is no continuity:
_
- repair the above wiring.
2 If there is continuity:
_
- do a check of the wiring from SDAC 2 (1WV2) pins AE/10G, 10H to the first terminal block (Ref. ASM 31-54/02).
a If there is no continuity:
_ - repair the above wiring.
(2) If the fault continues:
(a) replace the VALVE-OUTFLOW (10HL), FEEDBACK ASSEMBLY (if installed) (Ref. AMM TASK 21-31-51-000-005) and (Ref. AMM TASK 21-31-51-400-005).
(b) If the fault continues:
- replace VALVE-OUTFLOW (10HL) (Ref. AMM TASK 21-31-51-000-001) and (Ref. AMM TASK 21-31-51-400-001).
B. Do the test given in Para. 3.B.
「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 ∞∞31-54-00∞∞∞∞∞∞∞∞∞∞Page A250
Aug 01/05R
CES Loss of the Bus of the Cabin Pressure Controller 1 by the SDAC1
1. Possible Causes
_______________
- SDAC-1 (1WV1)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
ASM 31-54/03
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/CAB/PRESS/CTL1 1HL D09
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