S 414-032
(17)
Close the fan cowl panels for the engine (AMM 71-11-02/201).
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A
737-300/400/500MAINTENANCE MANUAL
HYDRAULIC SYSTEMS A AND B ELECTRIC MOTOR-DRIVEN PUMP (EMDP) -
_____________________________________________________________ REMOVAL/INSTALLATION
____________________
1. General_______
A. This procedure gives the instructions to remove and install the electric motor-driven pumps (EMDP), refered to as the pump. The instructions for the pump in hydraulic systems A and B are the same.
B. Be careful to keep hydraulic fluid off the airplane. If hydraulic fluid gets on the airplane, clean it up (AMM 12-40-00/201).
TASK 29-15-22-004-001
2. Remove the Electric Motor-Driven Pump (EMDP)____________________________________________
A. Standard Tools and Equipment
(1) A container to catch hydraulic fluid in
B. Consumable Materials
(1)
D00153 Hydraulic Fluid - BMS 3-11
(2)
D00054 Skydrol Assembly Lube - MCS 352
C. References
(1)
AMM 12-40-00/201, Cleaning and Washing
(2)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
(3)
AMM 29-15-00/201, Hydraulic Systems A, B, and Standby
(4)
AMM 29-15-27/401, Hydraulic System A and B EMDP Acoustic Filter
(5)
AMM 29-15-71/201, Hydraulic Systems A and B Pressure Module
D. Access
(1) Location Zones
216/217 Left/Right Main Wheel Well
E. Prepare for the Removal
S 864-002
(1) Open the applicable circuit breaker and attach a DO-NOT-CLOSE tag:
(a) P6 panel,
1) ELEC HYD PUMP CONT SYS A
2) ELEC HYD PUMP CONT SYS B
S 864-003
(2) Release the pressure from the hydraulic reservoirs
(AMM 29-09-00/201).
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A 737-300/400/500MAINTENANCE MANUAL
SEE A
SYSTEM A
RESERVOIR
SYSTEM B
RESERVOIR
SYSTEM A EMDP
SEE B
QUICK-DISCONNECT
FOR THE SYSTEM A
EMDP SUPPLY LINE
QUICK-DISCONNECT
FOR THE SYSTEM B
EMDP SUPPLY LINE
SYSTEM B EMDP
SEE C
A
Hydraulic Systems A and B EMDP Removal/Installation
Figure 401 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
ELECTRICAL CONNECTOR EMDP
MOUNTING BOLT (EXAMPLE)
GROUNDING CASE DRAIN LINESTRAP 30`
PRESSURE LINE
25` ACOUSTIC FILTER
GROUNDING STRAP ISOLATION
SUPPLY
MOUNT LINE
(EXAMPLE)
SYSTEM A EMDP
ELECTRICAL
B
CONNECTOR
GROUNDING
STRAP
EMDP
MOUNTING BOLT
FWD (EXAMPLE)
B
(SYSTEM B EMDP ONLY)
A-A 1 B
GROUNDING CASE
STRAP A LINE DRAIN
CASE
INBD FWD DRAIN
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