S 716-524
(5)
Do the operational test of the yaw damper system (AMM 22-21-00/501).
S 416-249
(6)
Close the access panels, 434AL and 444AL, for the hydrauic bay in the aft strut (AMM 06-43-00/201).
S 416-250
(7)
Close the access door, 197KL, for the central hydraulic service center (AMM 06-41-00/201).
S 416-251
(8)
Install the access panel, 345DB, for the right elevator PCA and the access panel, 335DB, for the left elevator PCA (AMM 06-42-00/201).
S 416-252
WARNING:_______USE THE PROCEDURE AMM 32-00-15 TO REMOVE THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(9)
Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
(10)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 866-253
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-11-00
ALL ú ú 09 Page 673 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
TASK 29-11-00-796-254
11. Hydraulic System ACMP Check Valves Internal Leakage Check_________________________________________________________
A. General
(1)
This procedure does an internal leakage check of the ACMP check valves in each hydraulic system.
B.
Equipment
(1)
Hydraulic Service Cart(s) - Commercially
Available, which can supply 6 GPM to each
system (18 GPM total) at 3000 psi
(2)
Caps for the ACMP Pressure Lines.
C.
References
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 06-43-00/201, Engine and Nacelle Strut Access Doors and Panels
(3)
AMM 12-12-01/301, Hydraulic Systems
(4)
AMM 24-22-00/201, Electrical Power - Control
(5)
AMM 29-11-00/201, Main (Left, Right and Center) Hydraulic System
(6)
AMM 29-11-02/401, C System Alternating Current Motor Pump (ACMP)
(7)
AMM 29-11-18/401, System L and R ACMP Pressure/Case Drain Filter Module and Components
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