S 944-008
(6)
Put a bucket under the hydraulic pump (6) to catch all fluid which drains when you disconnect the hydraulic hose fittings.
S 034-082
CAUTION: BE CAREFUL WITH THE PUMP SUPPLY HOSE WHEN IT IS DISCONNECTED TO
_______ PREVENT KINKS AND A CLOSED HOSE. DO NOT COIL THE HOSE. A CLOSED HOSE CAN CAUSE FAILURE OF THE PUMP.
(7) Hold the adapters/unions (9, 13, 21) with a wrench and disconnect the hydraulic hose self-seal fittings (17, 20, 25) from the adapters /unions on the pump (6).
NOTE: To prevent a fluid leak, do not disconnect the hydraulic
____
hoses from the self-seal fittings.
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29-11-05
ALL ú ú 01 Page 403 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 034-012
(8) Install caps on the pump ports and the hydraulic hose fittings to prevent contamination.
S 024-013
CAUTION: DO NOT LET THE HYDRAULIC FLUID FLOW INTO THE GEARBOX.
_______ CONTAMINATION BY HYDRAULIC FLUID CAN CAUSE DAMAGE TO THE GEARBOX.
(9) Loosen the four nuts (2) which attach the pump (6) to the engine gearbox (3) approximately three turns.
NOTE: If you loosen the nuts more than three turns, hit the shell
____ of the nut to release the self-lock property of the nut.
S 024-014
(10)
Turn the pump (6) clockwise until the nuts (2) can go through the larger ends of the slots on the pump.
S 024-015
(11)
Remove the pump (6) from the engine gearbox (3).
S 024-016
(12)
Remove the adapters/unions (9, 13, 21) from the pump (6) ports.
S 034-018
(13)
Install plugs in the pump ports to prevent contamination.
S 964-087
(14)
If the EDP is being replaced, the pressure and case drain filters must be replaced (AMM 29-11-17/401). Do not replace the filters due to pump external leakage alone.
TASK 29-11-05-404-020
3. Install the Engine-Driven Pump (EDP) (Fig. 401)
____________________________________
A. Consumable Materials
(1)
D00153 Hydraulic Fluid - BMS 3-11
(2)
D00054 Hydraulic System Lubricant - MCS 352
B.
Parts
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