(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 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.

 (g)
 Remove the relief valve 1063GM (Ref. TASK 29-11-32-000-001).

 (h)
 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 bobbins (10), (34) from the manifold (13) (Ref. TASK 20-23-21-911-001).

 (3)
 Remove and discard these items from the bobbins (10), (34):

 -
the O-rings (65), (66)

 -
the square-section seals (11), (35)

 -
the back-up rings (63), (64), (67), (33).

 (a)
 Put the bobbins (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.

 (c)
 Put the two back-up rings (63) in position on the sides of the bobbins (10) without the identification grooves (equipment side).

 (d)
 Put the two square-section seals (11) in position on the sides of the bobbins (10) without the identification grooves (equipment side).

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 (e)
 Put the two back-up rings (64) in position on the sides of the bobbins (10) with the identification grooves (manifold side).

 (f)
 Put the two O-rings (65) in position on the sides of the bobbins

 (10) with the identification grooves (manifold side).

 (g)
 Install the two bobbins (10) with the identification grooves in the ports of the manifold (13) (Ref. TASK 20-23-21-911-001).

 (h)
 Put the back-up rings (33) in position on the sides of the bobbins (34) without the identification grooves (equipment side).

 (i)
 Put the square-section seals (35) in position on the sides of the bobbins (34) without the identification grooves (equipment side).

 (j)
 Put the back-up rings (67) in position on the sides of the bobbins (34) with the identification grooves (manifold side).

 (k)
 Put the O-rings (66) in position on the sides of the bobbins (34) with the identification grooves (manifold side).

 (l)
 Install the two bobbins (34) with the identification grooves in the ports of the manifold (13) (Ref. TASK 20-23-21-911-001).

 (m)
 Apply the HYDRAULIC FLUIDS (Material No. 02-003) to the threads of the components.

 (n)
 Install the check valve 1022GM as follows:

 (o)
 Install the fluid sampling valve 1187GM (Ref. TASK 29-11-34-400-001).

 (p)
 Install the system pressure switch 1151GN (Ref. TASK 29-32-12-400-001).

 (q)
 Install the flight-control pressure switch 10CE-2 (Ref. TASK 27-92-17-400-001).

 (r)
 Install the relief valve 1063GM (Ref. TASK 29-11-32-400-001).

 1_ Put the O-ring (19) in position on the check valve 1022GM.
 2_ Install the check valve 1022GM in port E of the manifold (13).
　
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