G.
Procedure
S 422-100
(1)
Install the check valve (fig. 201):
(a)
Lubricate the backup rings (44, 46, 51, and 53), O-ring packings (45 and 52) and screw threads with assembly lubricant or hydraulic fluid before installation.
(b)
Install new backup rings (44, 46, 51, and 53) and O-ring packings (45 and 52) on the check valves (47 and 50).
(c)
Install the check valves (47 and 50).
NOTE: The flow arrow on the check valve must point into the
____ manifold during installation.
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MAINTENANCE MANUAL
(d)
Install the covers (41 and 48) with the washers (43 and 55) and screws (42 and 54).
(e)
Tighten the screws (54) that attach to the dual cover to 50-75 pound-inches.
(f)
Install the lockwire.
(g)
Tighten the screws (42) that attach to the cover to 60-80 pound-inches.
(h)
Install the lockwire.
S 862-084
(2)
For the applicable system, remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
P180 DC Power Distribution Panel
1) 180H7 LATERAL CONT VALV SYS 1
2) 180E6 LATERAL CONT VALV SYS 2
3) 180H22 LATERAL CONT VALV SYS 3
4) 180E21 LATERAL CONT VALV SYS 4
S 862-085
(3)
Set the FLT CONTROL HYD POWER - WING VALVE switches No. 1, 2, 3 and 4 on the P461 Pilot's Overhead Maintenance Panel to NORM.
S 862-087
(4)
Do this task: "Hydraulic System Pressurization" (Ref 29-11-00/201).
S 862-088
(5)
Operate the aileron a minimum of two times.
S 792-097
(6)
Examine the cover for leaks.
H.
Put the Airplane Back to Its Usual Condition
S 862-089
(1)
Do this task: "Hydraulic System Depressurization"
(Ref 29-11-00/201).
S 612-090
(2)
Do this task: "Service the Hydraulic Reservoirs"
(Ref 12-12-01/301).
S 862-091
(3)
Do this task if electrical power is not necessary: "Electrical Power Removal"(Ref 24-22-00/201).
(4)
Close the access panel on the lower wing surface.
S 412-092
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S 092-093
(5) Remove the safety device and safety harness installed on the receptacle, on the wing upper surface.
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OUTBOARD AILERON LOCKOUT MECHANISM - REMOVAL/INSTALLATION
_________________________________________________________
1. General_______
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