**ON A/C 001-049, 051-058, 101-101,
29-12-14-991-001 Fig. 401
**ON A/C 059-061, 102-105, 201-203,
29-12-14-991-001-A Fig. 401A
R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
29-12-14-991-001-B Fig. 401B
**ON A/C 001-049, 051-058, 101-101,
29-12-14-991-002 Fig. 402
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
29-12-14-991-002-A Fig. 402A
**ON A/C ALL
3. Job Set-up
__________
Subtask 29-12-14-860-052
A. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Make sure that the reservoir of the Blue hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(4)
Make sure that the access doors 195BB and 197EB are open.
(5)
Make sure that the left main door of the main gear is open (Ref. TASK 32-12-00-010-001).
(6)
Make sure that the containers are in position below the connections of the of the HP manifold and the ground leakage-measurement manifold (2146GM).
(7)
Make sure that the warning notices are in position to tell persons not to pressurize the Blue hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Blue hydraulic system.
Subtask 29-12-14-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12
49VU HYD/HYD/PRESS/XMTR 1841GN C11 121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35 123VU B HYD/ELEC PUMP 2701GJ AB09
4. Procedure
_________
**ON A/C 001-049, 051-058, 101-101,
(Ref. Fig. 401/TASK 29-12-14-991-001)
**ON A/C 059-061, 102-105, 201-203,
(Ref. Fig. 401A/TASK 29-12-14-991-001-A) R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
(Ref. Fig. 401B/TASK 29-12-14-991-001-B)
**ON A/C 001-049, 051-058, 101-101,
(Ref. Fig. 402/TASK 29-12-14-991-002) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 402A/TASK 29-12-14-991-002-A)R **ON A/C 001-049, 051-058, 101-101,
Subtask 29-12-14-560-050
A. Preparation of the Replacement Component
(1) Remove the parts which are attached to the removed HP manifold as follows:
NOTE : These components are connected hydraulically to the manifold
____
with bobbins:
-
the HP filter 2048GM
-
the relief valve 2063GM
-
the leakage-measurement solenoid valve 2150GP
-
the priority valve 2064GM.
(a)
Remove the leakage-measurement solenoid valve 2150GP (Ref. TASK 29-19-51-000-002).
(b)
Remove the HP filter 2048GM as follows: 1 Hold the HP filter 2048GM and remove the bolts (35), (36) and
_
the washers (37).
2 Remove the HP filter 2048GM from the manifold (26).
_
(c)
Remove the relief valve 2063GM (Ref. TASK 29-12-32-000-001).
(d)
Remove the priority valve 2064GM (Ref. TASK 29-12-33-000-001).
(e)
Remove the hydraulic pressure transducer 2065GN (Ref. TASK 29-32-11-000-002).
(f)
Remove the system pressure switch 2151GN (Ref. TASK 29-32-12-000-002).
(g)
Remove the flight-control pressure switch 10CE1 (Ref. TASK 27-92-17-000-003).
(h)
Remove the fluid sampling valve 2187GM (Ref. TASK 29-12-34-000-001).
(i)
Remove the check valve 2059GM as follows: 1 Cut, remove and discard the lockwire.
_
R 1EFF : 001-049, 051-058, 101-101, 1 29-12-14Page 418 1 1 May 01/05 1 1 1CES 1
2_ Loosen and remove the check valve 2059GM.
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