(2)
Remove the components which are attached to the removed valve assembly (17) as follows:
(a)
Remove the four adapters (4),(8),(11) and (19).
(b)
Discard the four O-rings (5),(7),(12) and (18).
(3)
Install the components in the replacement valve assembly (17) as follows:
(a)
Lubricate the new O-ring (5), O-ring (7), O-ring (12) and O-ring
(18) with HYDRAULIC FLUIDS (Material No. 02-003).
(b)
Put the four O-rings (5),(7),(12) and (18) in position on the four adapters (4),(8),(11) and (19).
(c)
Install the four adapters (4),(8),(11) and (19) complete with the O-rings in the four ports A, G, B and Y of the valve assembly (17).
(d)
Tighten the adapters (4),(8),(11) and (19).
(4)
Connect the bonding jumper (14) with the screw (16, the washer (15) and the nut (13) (Ref. TASK 20-28-00-912-004).
Subtask 29-16-51-420-050
B. Installation of the Manual Selector Valve CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
CAUTION : YOU MUST INSTALL HYDRAULIC TUBES WITH HYDRAULIC FLUID AS
_______
LUBRICANT.
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Remove the blanking plugs from the line ends.
(4)
Make sure that the hydraulic line end-fittings are serviceable.
(5)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the threads of the line end-fittings.
(6)
Put the selector valve (17) in position in the service panel (6).
(7)
Install the screws (21) and the washers (22).
(8)
Connect the pipe to the adapter (8) installed in port B of the valve assembly (17).
(9)
TORQUE the union nut (9) to between 1.5 and 1.7 m.daN (11.06 and
12.53 lbf.ft).
(10)
Connect the pipe to the adapter (11) installed in port A of the valve assembly (17).
(11)
TORQUE the union nut (10) to between 1.5 and 1.7 m.daN (11.06 and
12.53 lbf.ft).
(12)
Connect the pipe to the adapter (19) installed in port G of the valve
assembly (17).
(13)
TORQUE the union nut (20) to between 1.5 and 1.7 m.daN (11.06 and
12.53 lbf.ft).
(14)
Connect the pipe to the adapter (4) installed in port Y of the valve assembly (17).
(15)
TORQUE the union nut (3) to between 1.5 and 1.7 m.daN (11.06 and
12.53 lbf.ft).
(16)
Make sure that the electrical connectors are clean and in the correct condition.
(17)
Connect the electrical connector (1) to the receptacle (2). Subtask 29-16-51-860-050
C.
Preparation for the Test
(1)
Remove the blanking cap from the reservoir fill valve 1698GM.
(2)
Connect the flexible hose 1699GM to the reservoir fill valve 1698GM.
(3)
Put the end of the flexible hose into a container of HYDRAULIC FLUIDS (Material No. 02-003).
(4)
Make sure that the manual selector valve 1134GM is set to NEUTRAL.
(5)
Open the access door 198CB.
(6)
Put the hand pump lever (located on the ground service panel of the Yellow hydraulic system) on the hand pump 1009GM.
(7)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 29-16-51-865-052
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1831GQ Subtask 29-16-51-710-050
E. Do this Test
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ground service panel of On the ground service panel of the the Green hydraulic system: Green hydraulic system: - operate the hand pump through 3 - there are no leaks from the manual
or 4 cycles to pressurize the selector valve or from the pipe manual selector valve. connection at the port marked A of the manual selector valve.
NOTE : A pressure relief valve in the fill selector valve will operate if
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