(10) Close the access panel.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
HYDRAULIC SYSTEMS A AND B ENGINE-DRIVEN PUMP (EDP) - REMOVAL/INSTALLATION
_________________________________________________________________________
1. General_______
A. The No. 1 and the No. 2 engine-driven pumps are the same.
B. The pump line connections have self-sealing disconnects to prevent the leakage of hydraulic fluid, and to keep air out of the hydraulic system.
TASK 29-15-11-004-001
2. Remove the Pump (Fig. 401)_______________
A. References
(1)
AMM 29-09-00/501, Hydraulic Reservoir Pressurization
(2)
AMM 29-15-00/201, Hydraulic Systems A,B and Standby
(3)
AMM 71-11-02/201, Fan Cowl Panels
B. Access
(1)
Location Zone
506 Engine No. 1 - Fan Frame
606 Engine No. 2 - Fan Frame
(2)
Access Panel
5746 Fan Cowl Panel (LH) - Engine No. 1
5846 Fan Cowl Panel (LH) - Engine No. 2
C. Procedure
S 864-002
(1)
Remove hydraulic power from the applicable hydraulic system (AMM 29-15-00/201).
S 864-003
(2)
Release the pressure from the hydraulic reservoirs
(AMM 29-09-00/201).
S 014-004
(3)
Open the fan cowl panel for the left side of the applicable engine (AMM 71-11-02/201).
(4)
Disconnect the electrical connector from the pump.
(5)
Disconnect the hydraulic lines from the pump.
S 034-005
S 034-006
NOTE: Some fluid leakage can occur from the pump.
____
S 034-007
(6)
Put caps on the hydraulic fittings on the pump.
(7)
Remove the QAD clamp.
S 034-008
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
EDP SEE A
MOUNTING PAD
QAD ATTACH RING GASKET QAD CLAMP
O-RING DRAIN PLUG (EXAMPLE)
CASE DRAIN LINE
PUMP
DEPRESSURIZATION
VALVE
DRAIN LINE
ELECTRICAL FOR THE
CONNECTOR SHAFT SEAL
SPLINED SHAFT
WRENCH BACKUP
SHAFT BOOT SEAL
PRESSURE LINE
FWDSUPPLY LINE SELF-SEALING DISCONNECT
EDP FOR THE NO. 1 ENGINE (THE EDP FOR THE NO. 2 ENGINE IS ALMOST THE SAME)
A
Engine Driven Pump (Vickers) Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-15-11
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 024-009
(8) Remove the pump.
TASK 29-15-11-404-033
3. Install the Pump (Fig. 401)________________
A. Consumable Materials
(1)
D00054 Skydrol Assembly Lube - MCS 352
(2)
D00014 Grease - MIL-G-21164
(3)
B00148 Solvent - Methyl Ethyl Ketone
(4)
D00153 Hydraulic Fluid - BMS 3-11
B. References
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