29-21-11
ALL ú ú 01 Page 404 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 494-033
WARNING: DO THE PROCEDURE IN AMM 32-00-15 TO INSTALL THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 864-034
(3)
Remove the pressure from the center hydraulic system and the reservoir (AMM 29-11-00/201).
D. Remove the Filter Elements from the case drain and pressure filters (Fig. 401)
S 034-035
(1)
Remove the filter caps from the checkout module.
S 024-036
(2)
Remove the filter elements from the checkout module.
TASK 29-21-11-404-037
5. Install the Checkout Module for the Ram Air Turbine (RAT)
_________________________________________________________
A. Consumable Materials
(1) D00054 Hydraulic System Lubricant - MCS 352
B. References
(1)
AMM 12-25-01/301, Exterior Cleaning
(2)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
AMM 29-21-00/501, Ram Air Turbine (RAT) System
(4)
AMM 32-00-15/201, Main Gear Door Locks
C. Access
(1) Location Zone
144 Right MLG Wheel Well
730/740 Main Landing Gear and Doors
D. Install the Checkout Module (Fig. 401)
S 434-038
(1) Remove the caps from the hydraulic lines and the ports on the checkout module.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-21-11
ALL ú ú 01 Page 405 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 424-039
(2)
Put the checkout module on the support bracket.
S 424-040
(3)
Install the bolts and washers to attach the checkout module to the support bracket.
NOTE: Install the washers with the countersink against the head of
____
the bolt.
S 644-041
(4)
Apply hydraulic lubricant or hydraulic fluid to the O-rings and the threads of the unions.
S 434-042
(5)
Install the unions and O-rings in the ports of the checkout module.
S 434-043
(6)
Connect the hydraulic lines to the checkout module.
S 434-044
(7)
Connect the electrical connector to the pressure switch.
E.
Put the Airplane Back to its Usual Condition
S 864-045
(1)
Pressurize the center hydraulic system and the reservoir
(AMM 29-11-00/201).
S 734-046
(2)
Do the system test procedure for the hydraulic pump and drive system of the ram air turbine (AMM 29-21-00/501).
S 214-047
(3)
Make sure there are no leaks at the hydraulic line connections on the checkout module.
S 114-048
CAUTION: QUICKLY CLEAN THE AREA AROUND THE CHECKOUT MODULE OF ALL
_______ HYDRAULIC FLUID. HYDRAULIC FLUID CAN CAUSE DAMAGE TO THE AIRPLANE EQUIPMENT.
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