CAUTION: MAKE SURE THAT YOU EXAMINE THE INNER AND OUTER RODS FOR DAMAGE
_______ BEFORE INSTALLATION. THE ROD IS A COMPONENT WITH TWO LOAD PATHS. IF YOU INSTALL A DAMAGED ROD, DAMAGE TO EQUIPMENT CAN OCCUR.
(7)
Connect the valve control rod to the actuator valve lever (Fig. 401) (IPC 27-11-14-01, OHM 27-37-09, SB 27-1207 Parts II and III):
(a)
Install the bolt and washer.
(b)
Tighten the bolt to 45-60 pound-inches.
NOTE: Do not tighten bolt after you tighten the locknut.
____ You can cause damage to equipment.
(c)
Install the nut.
(d)
Tighten the nut to 12-25 pound-inches.
NOTE: Do not tighten bolt after you tighten the lock nut.
____ You can cause damage to equipment.
(e) Install the cotter pin.
S 424-030
(8)
Install the protective boot with the steps that follow (Detail D, Fig./401):
(a)
Put the protective boot on the aileron power control unit and valve control rod as shown in Detail D, Fig./401.
(b)
Install the inboard end of the boot with the two straps.
(c)
Install the outboard end of boot making sure that the boot has no preload in the outboard or inboard direction to prevent push or pull action on the valve control rod.
(d)
Install the outboard end of boot with the strap.
(9)
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).
S 864-021
(10)
Do this task to pressurize hydraulic systems A and B: "Aileron Hydraulic Systems A and B Pressurization" (AMM 27-11-00/201).
S 864-020
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 874-022
(11)
Operate the aileron control wheel to bleed the system.
S 794-026
(12)
Examine the actuator connections for leaks.
S 824-023
(13)
Do this task to adjust the aileron power control unit: "Aileron Power Control Unit Adjustment Test" (AMM 27-11-71/501).
F.
Put the Airplane Back to Its Usual Condition
S 864-024
(1)
Do this task to depressurize hydraulic systems A and B: "Aileron Hydraulic Systems A and B Depressurization" (AMM 27-11-00/201).
S 864-025
(2)
Do this task if electrical power is not necessary: "Electrical Power Removal" (AMM 24-22-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
AILERON POWER CONTROL UNIT - ADJUSTMENT/TEST
____________________________________________
1. General
_______
A. This procedure contains the task to do a test on the power control unit.
TASK 27-11-71-825-005
2. Aileron Power Control Unit Adjustment Test
__________________________________________
A. Special Tools and Equipment
(1) F70207-93 Rig Pins Kit:
~.............................................................................. | | | DIAMETER | LENGTH | | | REF NO. | F70207-( ) | (INCHES) | (INCHES) | FUNCTION | ................................................................................ | A/S-4 | -11 | 0.309-0.311 | 6.7 |0.25 | AILERON BUS DRUM | 2.........…............…..............…...............…........................1
B. References
(1)
AMM 24-22-00/201, Manual Control
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