**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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