「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-061, 101-105, 201-203, ∞∞29-12-00∞∞∞∞∞∞∞∞∞∞Page 205
May 01/05 CES
g Stop the pressurization of the reservoir pressurization_
system from the left engine (Ref. AMM TASK 29-14-00-720-
002), or
h Disconnect the external pressure source:_
- disconnect the inflation adaptor from the reservoir
pressurization hose (1674GM)
- connect the reservoir pressurization hose (1674GM) to the
HP bleed-air port of the left engine (Ref. AMM TASK 29-
14-49-400-001).
3_ If the pressure in the reservoir increases to the necessary
R value and the air pressure drop is in the limits:
- open and close the CB 2386GH on the panel 121VU,
R - do the operational test of the reservoir low air-pressure
R warning of the Blue hydraulic system (Ref. AMM TASK 29-34-
00-710-002).
a If the operational test gives the correct results:_
- no further actions are necessary.
R b If the operational test of the reservoir low air-pressure_
R warning does not give the correct results:
- do a check for continuity between:
PRESS SW-B RSVR AIR (2384GH) connector A/A and PRESS SW-B
RSVR AIR (2384GH) connector A/C (Ref. ASM 29-34/01).
R
R - If there is continuity:
- replace the PRESS SW-B RSVR AIR (2384GH) (Ref. AMM TASK
29-34-11-000-002) (Ref. AMM TASK 29-34-11-400-002).
c If the fault continues:_
- do a check for continuity between:
PRESS SW - AIR, B RSVR (2387GH) connector A/A and PRESS
SW - AIR, B RSVR (2387GH) connector A/C (Ref. ASM 29-
34/01).
R
R - If there is continuity:
- replace the PRESS SW - AIR, B RSVR (2387GH) (Ref. AMM
TASK 29-34-13-000-001) (Ref. AMM TASK 29-34-13-400-001).
d If the fault continues:_
- do a check for a ground signal at the RELAY (2388GH)
connector 2.
- If there is a ground signal:
- replace the RELAY (2388GH).
e If the fault continues:_
- repair the wiring between the RELAY (2389GH) connector A
and the DIODE (1164VD) connector A4 (Ref. ASM 29-34/01).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-061, 101-105, 201-203, ∞∞29-12-00∞∞∞∞∞∞∞∞∞∞Page 206
May 01/05 CES
f If the fault continues:
_
- repair the wiring between the RELAY (2389GH) connectors 1 and 4 and the RELAY (2388GH) connectors 2 and Z (Ref. ASM 29-34/01).
g If the fault continues:
_
- do a check for a ground signal at the RELAY (2389GH) connector B (Ref. ASM 29-34/01).
- If there is a ground signal: -repair the wiring between the RELAY (2389GH) connector B and the PRESS SW - AIR, B RSVR (2387GH) connector A/C (Ref. ASM 29-34/01).
h If the fault continues:
_
- do a check for a ground signal at the PRESS SW-B RSVR AIR (2384GH) connector A/C (Ref. ASM 29-34/01).
- If there is a ground signal:
- repair the wiring as necessary between the PRESS SW-B RSVR AIR (2384GH) connector A/C and the DIODE (1164VD) connector 16 and/or:
- the PRESS SW-B RSVR AIR (2384GH) connector A/C and the RELAY 11LP connector A/45 (Ref. ASM 29-12/01)
- the PRESS SW-B RSVR AIR (2384GH) connector A/C and the SDAC1 and the SDAC2 connectors AA3F (Ref. ASM 31-54/02).
B. Do the operational test of the reservoir low air pressure warning of the Blue hydraulic system (Ref. AMM TASK 29-34-00-710-002) to make sure that the operation is correct (no maintenance message shown).
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