(a) If FAIL> shows:
1) Push the LSK that is adjacent to FAIL> to see the GROUND TEST MSG pages for the failure.
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2) Push the NEXT PAGE key until you find all the GROUND TEST MSG pages. 3) Make a list of all CMCS messages, CMCS message numbers, and ATA numbers that show on the GROUND TEST MSG pages. 4) Go to the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
G. Put the Airplane in Its Usual Condition
S 865-393
(1)
Remove hydraulic power if it is not necessary (AMM 29-11-00/201).
S 865-394
(2)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 22-10-00-745-395
7. Ground Test - Rudder Servo__________________________
A. General
(1) This test is for a check of the rudder servo. It makes sure that the servo and surface position feedback are correct. During this test, the rudder servos move the rudder surface in two directions.
B. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 22-11-01/401, Flight Control Computer
(3)
AMM 24-22-00/201, Manual Control
(4)
AMM 29-11-00/201, Main Hydraulic Supply System
(5)
AMM 34-61-02/401, Control Display Unit
(6)
AMM 45-10-00/501, Central Maintenance Computer
C. Access
(1) Location Zones
221 Control Cabin, LH
222 Control Cabin, RH
D. Preconditions
S 865-449
(1) These conditions are necessary for this task:
(a)
Electrical Power On (AMM 24-22-00/201).
(b)
Hydraulic Pressure Supplied (AMM 29-11-00/201).
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(c)
Tow pin installed at the nose landing gear (AMM 09-11-00/201).
(d)
Central Maintenance Computer (CMC), serviceable (AMM 45-10-00/501).
(e)
Control Display Unit (CDU), serviceable (AMM 34-61-02/401).
(f)
Flight Control Computer (FCC), serviceable (AMM 22-11-01/401).
E. Prepare for the Test
S 865-396
(1) Supply electrical power (AMM 24-22-00/201).
S 865-397
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2)
Supply the hydraulic pressure to the hydraulic systems NO. 1, 2, 3, and 4 (AMM 29-11-00/201).
S 865-398
(3)
Make sure the FLT CONTROL HYD POWER TAIL 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).
S 865-399
(4)
Make sure the FLT CONTROL HYD POWER WING 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).
S 865-400
WARNING: MAKE SURE THAT YOU INSTALL THE TOW PIN AT THE NOSE LANDING
_______ GEAR. THE MOVEMENT OF THE RUDDER CAN CAUSE THE NOSE LANDING GEAR TO MOVE. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
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