-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Green hydraulic system.
(3)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(5)
Make sure that the access door 197CB is open.
(6)
Make sure that the LH main door of the main gear is open (Ref. TASK 32-12-00-010-001).
(7)
Make sure that the access platform is in position.
(8)
Make sure that the container is in position below the connections of the HP manifold.
(9)
Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
Subtask 29-11-14-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
49VU HYD/HYD/PRESS/XMTR 1841GN C11 121VU HYDRAULIC/SOL VALVES/G/Y/B/LEAK/TST 1881GP N35 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
4. Procedure
_________
**ON A/C 001-049, 051-058, 101-101,
(Ref. Fig. 401/TASK 29-11-14-991-001) R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 29-11-14-991-001-A)R **ON A/C 001-049, 051-058, 101-101,
Subtask 29-11-14-560-050
A. Preparation of the Replacement Component
(Ref. Fig. 401/TASK 29-11-14-991-001)
(1) Remove the components which are attached to the removed HP manifold as follows:
(a)
Remove the bolts (41) and the washers (42) at the pressure transducer 1065GN.
(b)
Discard the O-ring (44).
(c)
Remove the system pressure switch 1151GN (Ref. TASK 29-32-12-000-001).
(d)
Remove the flight-control pressure switch 10CE-2 (Ref. TASK 27-92-17-000-001).
(e)
Remove the fluid sampling valve 1187GM (Ref. TASK 29-11-34-000-001).
(f)
Remove the check valve 1059GM as follows: 1 Cut, remove and discard the lockwire.
_
2 Loosen the check valve 1059GM and remove it.
_
3 Remove and discard the O-ring (28).
_
4 Remove and discard the O-ring (27) and the back-up rings (29).
_
(g) Remove the check valve 1022GM as follows: 1 Loosen the check valve 1022GM and remove it.
_
2 Remove and discard the O-ring (19).
_ NOTE : These components are hydraulically attached to the HP
____ manifold with bobbins:
-
the HP filter 1048GM
-
the relief valve 1063GM
-
the leakage-measurement solenoid valve 1150GP.
R 1EFF : 001-049, 051-058, 101-101, 1 29-11-14Page 412 1 1 May 01/05 1 1 1CES 1
(h)
Remove the leakage-measurement solenoid valve 1150GP (Ref. TASK 29-19-51-000-001).
(i)
Remove the relief valve 1063GM (Ref. TASK 29-11-32-000-001).
(j)
Remove the HP filter 1048GM as follows:
1_ Hold the HP filter 1048GM and remove the bolts (30), (31) and
the washers (32).
2_ Remove the HP filter 1048GM from the manifold (13).
(2)
Remove the seven bobbins (6), (8), (10), (34) from the manifold (13) (Ref. TASK 20-23-21-911-001).
(3)
Remove and discard these items from the bobbins (6), (8), (10), (34):
-
the O-rings (68), (62), (65), (66)
-
the square-section seals (60), (70), (11), (35)
-
the back-up rings (7), (9), (61), (69), (63), (64), (67), (33).
(a)
Put the bobbins (6), (8), (10), (34) into a BAG - PLASTIC to keep them clean.
(b)
Install the PLUG - BLANKING in the open ports of the manifold
(13) and all of the removed components.
(4)
Install the removed components on the replacement manifold (13) as follows:
NOTE : If the replacement manifold (13) was not installed before,
____ then you must install the threaded inserts (14) and the cylindrical pin (12).
(a)
Remove the blanking plugs from the ports of the manifold (13) and the components.
(b)
Apply the HYDRAULIC FLUIDS (Material No. 02-003) to the new O-rings, square-section seals, back-up rings and the threads of the unions.
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