4. Procedure
_________
(Ref. Fig. 403/TASK 29-19-51-991-001) Subtask 29-19-51-420-052
A. Installation of the Solenoid Valve 3150GP
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(2)
Clean the component interface and/or the adjacent area.
(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Lubricate the new:
-back-up rings (20), (12), (17), (9),
-O-rings (18), (19) and
-square-section seals (16), (21) with HYDRAULIC FLUIDS (Material No. 02-003).
(5)
Put the two new back-up rings (20) in position on the sides of the bobbins (11) without the identification grooves (equipment side).
(6)
Put the two new square-section seals (21) in position on the sides of the bobbins (11) without the identification grooves (equipment side).
(7)
Put the two new back-up rings (12) in position on the sides of the bobbins (11) with the identification grooves (manifold side).
(8)
Put the two new O-rings (19) in position on the sides of the bobbins
(11) with the identification grooves (manifold side).
(9)
Remove the blanking plugs from the open ports of the manifold (13) and the solenoid valve (6).
(10)
Install the bobbins (11) with the identification grooves in the ports of the manifold (Ref. TASK 20-23-21-911-001).
(11)
Put the new back-up ring (17) in position on the side of the bobbin
(10) without the identification groove (equipment side).
(12)
Put the new square-section seal (16) in position on the side of the bobbin (10) without the identification groove (equipment side).
(13)
Put the new back-up ring (9) in position on the side of the bobbin
(10) with the identification groove (manifold side).
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(14)
Put the new O-ring (18) in position on the side of the bobbin (10) with the identification groove (manifold side).
(15)
Install the bobbin (10) with the identification groove in the port of the manifold (Ref. TASK 20-23-21-911-001).
(16)
Put the solenoid valve (6) in position on the manifold (13).
(17)
Install the three bolts (7) and the washers (8).
(18)
TORQUE the bolts (7) to between 0.80 and 0.90 m.daN (70.79 and 79.64 lbf.in).
(19)
Install the bonding jumper (5) together with the bolt (4), the washer (3), and the nut (2) (Ref. TASK 20-28-00-912-004).
(20)
Remove the blanking caps from the electrical connector (1) and from the receptacle.
(21)
Make sure that the electrical connectors are clean and in the correct condition.
(22)
Connect the electrical connector (1).
(23)
Remove the warning notices from the ground service panel of the Yellow hydraulic system and from the overhead panel.
Subtask 29-19-51-865-058
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1881GP
Subtask 29-19-51-710-052
C. Operational Test of the Solenoid Valve 3150GP
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Pressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-002).
(3)
Pressurize the Yellow hydraulic system (Ref. TASK 29-10-00-863-002).
(4)
Examine the solenoid valve connection and make sure that there are no leaks.
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(5)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
(6)
Do this Test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ECAM control panel on the On the ECAM lower DU:
center pedestal:
- push the HYD pushbutton. - the HYD page is shown.
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本文链接地址：A320飞机维护手册 AMM HYDRAULIC POWER 液压5(86)
