S 434-017
(5)
Remove the plugs from the hydraulic lines and the caps from the ports.
S 214-019
(6)
Make sure the hydraulic motor housing is full with hydraulic fluid.
S 434-020
(7)
Connect the hydraulic lines to the hydraulic motor.
S 624-021
(8)
Apply a small quantity of grease to the metal surfaces that you can see around the hydraulic motor (3) and the differential housing.
F.
Hydraulic Motor Test
S 864-022
(1)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11:
(a)
11B19, STAB TRIM ALT (IF INSTALLED)
(b)
11C12, STAB TRIM SHUTOFF LEFT
(c)
11C13, STAB TRIM SHUTOFF RIGHT
(d)
11H11 or 11C05, STAB TRIM CONT L
(e)
11H20, STAB TRIM CONT R
S 864-023
(2) Put the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on control stand panel, P10, to the NORM position.
S 864-024
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(3) Supply power to the applicable hydraulic system that follows ú (AMM 29-11-00/201):
NOTE:____Operate only one hydraulic motor at a time. You cannot find
failures if you pressurize the left and right motors at the same time.
(a) The right hydraulic system for the right motor
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MAINTENANCE MANUAL
(b) The center hydraulic system for the left motor.
S 714-026
(4) AIRPLANES WITH STAB TRIM LEVERS ON THE CONTROL STAND;
use the STAB TRIM levers to move the stabilizer to the APL NOSE UP
and APL NOSE DOWN travel limits and do the check that follows:
(a) Make sure the stabilizer moves smoothly and freely through its
full travel.
S 714-027
(5) AIRPLANES WITH ALTERNATE STAB TRIM SWITCHES ON THE CONTROL STAND;
use the alternate stab trim switches to move the stabilizer to the
APL NOSE UP and APL NOSE DOWN travel limits and do the check that
follows:
(a) Make sure the stabilizer moves smoothly and freely through its
full travel.
S 214-028
(6) Make sure there are no leaks or structural damage at the hydraulic
motors and hydraulic lines.
G. Put the Airplane Back to Its Usual Condition
S 864-029
(1) Remove the power from the right and center hydraulic systems
ú (AMM 29-11-00/201).
ú
ú S 864-030
ú (2) Remove electrical power, if it is not necessary (AMM 24-22-00/201).
S 414-031
(3) Close the access door for the forward stabilizer compartment, 311AL
ú (AMM 06-42-00/201).
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STABILIZER TRIM SECONDARY BRAKE - REMOVAL/INSTALLATION
______________________________________________________
1. General_______
A. This procedure contains steps to remove and install the secondary brakes on the stabilizer ballscrew actuator.
B. The procedures to remove and install the left and right secondary brakes are the same.
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