(2)
G00062 Fluid - Hydraulic, Fire Resistant - BMS 3-11References
(1)
12-12-01/301, Hydraulic System
(2)
22-10-00/501, Autopilot/Flight Director System
(3)
24-22-00/201, Manual Control
(4)
27-11-00/501, Aileron and Aileron Trim Control System
(5)
29-11-00/201, Main Hydraulic Supply System
(6)
32-00-30/201, Landing Gear Door Locks
(7)
IPC 27-11-08 Fig. 1
(8)
IPC 22-13-03 Fig. 1
(9)
WDM 22-13-11, 22-13-21Access
(1)
Location Zone 135 Wing Landing Gear Well, LH 136 Wing Landing Gear Well, RH
Procedure
S 422-016
(1) Install the central lateral control package (CLCP) (Fig. 201):
NOTE: If you removed a section of the APU pneumatic duct to
____ gain access to the CLCP, install the duct back in place after you complete the CLCP installation.
(a)
Apply assembly lube or hydraulic fluid to the O-rings and the threads of the fittings.
(b)
Install the hydraulic fittings in the CLCP.
(c)
Make sure to fill the CLCP with hydraulic fluid.
(d)
Use the hoist and strap to set the CLCP into its position.
(e)
Install the nuts, bolts and washers.
(f)
Remove the hoist equipment.
(g)
Connect the hydraulic hoses to the CLCP pressure and return ports.
(h)
Connect the electrical connectors DB7084 (for the CLCP-left autopilot) and DB7086 (for the CLCP-right autopilot).
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A 747-400 MAINTENANCE MANUAL
(i) Connect the right CLCP (right autopilot) to the wheel well linkage.
NOTE:____ If you replace the left and right CLCPs, connect and adjust the right CLCP (right autopilot) first.
(j) Connect the left CLCP (left autopilot) to the wheel well linkage.
(2) S 862-017If electrical power is not on, do this task: Power" (AMM 24-22-00/201). "Supply Electrical
(3) S 862-018For 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
(4) S 862-019Move the FLT CONTROL HYD POWER - WING VALVE switches No. 1, 2, 3 and 4 on the P461 Pilot's Overhead Maintenance Panel to NORM.
(5) S 862-021Do this task to pressurize hydraulic systems No. 1, 2, 3 and 4: "Hydraulic System Pressurization" (AMM 29-11-00/201).
(6) S 862-022Make sure to disconnect all these rods: (a) The back drive load limiter rod. (b) The control rod from the CLCP quadrant to the left CLCP (left autopilot). (c) The load limiter rod between the left and right CLCPs.
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A
747-400 MAINTENANCE MANUAL
(d)
The force limiter rod (between the aileron programmers).
(e)
The control rod from the trim and feel mechanism to the right CLCP (right autopilot).
S 862-023
(7)
Set the aileron trim system at the center:
(a)
Operate the trim switches until you can easily install rig pin A/S-2.
NOTE: The roller is in the center of the cam detent during
____
this operation.
S 832-024
CAUTION: MAKE SURE TO INSTALL RIG PIN A/S-2 BEFORE YOU INSTALL RIG PINS
_______ A/S-6, A/S-7, A/S-4, A/S-5 OR A/S-3. FAILURE TO INSTALL RIG PIN A/S-2 FIRST CAN CAUSE DAMAGE TO THE CENTRAL LATERAL CONTROL PACKAGE.
(8)
Adjust these components of the CLCP:
(a)
The control rod (connected to the CLCP actuator upper input lever) between the trim and feel mechanism and the right CLCP (right autopilot) which is located in the left wheel well: 1) If you use the phase synchronous voltmeter for the
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