29-15-31
 ALL  ú ú 01 Page 505 ú Mar 15/92
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A
737-300/400/500MAINTENANCE MANUAL
 SYSTEM A, B, AND STANDBY EMDP CASE DRAIN FILTER - MAINTENANCE PRACTICES
_______________________________________________________________________
 1.  General_______
 A.  This procedure gives you the instructions to do these tasks to the case drain filter for the EMDP of the system A, B, and standby hydraulic systems:
 -Remove the filter element
 -Install the filter element
 -Remove the filter as a unit
 -Install the filter as a unit.
 TASK 29-15-34-002-001
 2.  System A and B EMDP Case Drain Filter Element Removal (Fig. 201)_____________________________________________________
 A.  General
 (1)  If you get hydraulic fluid on the airplane, clean it off (AMM 12-40-00/201).
 B.  Standard Tools and Equipment
 (1)  Container for hydraulic fluid
 C.  References
 (1)  
AMM 12-40-00/201, Cleaning and Washing

 (2)  
AMM 29-09-00/201, Hydraulic Reservoir

 (3)  
AMM 29-15-22/401, Hydraulic Systems A and B EMDP

 D.  Access
 (1)  Location Zones
 216 Left Main Wheel Well
 217 Right Main Wheel Well

 E.  Procedure
 S 862-002
 (1)  Open the applicable circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  P6 panel,
 1) ELEC HYD PUMP CONT SYS A
 2) ELEC HYD PUMP CONT SYS B

 S 862-003
 (2)  
Release the pressure from the applicable hydraulic reservoir (AMM 29-09-00/201).

 S 212-004

 (3)  
Find the applicable case drain filter in the main wheel well area:

 (a)  
The case drain filter for the system B EMDP is on the forward bulkhead in the right wheel well.

 (b)  
The case drain filter for the system A EMDP is on the forward bulkhead in the left wheel well.

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 29-15-34
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A

737-300/400/500MAINTENANCE MANUAL
HYDRAULIC HYDRAULIC SYSTEM B SYSTEM A
SEE B SEE A
SYSTEM A RESERVOIR (REF)
STANDBY SYSTEM A
HYDRAULIC EMDP (REF)SYSTEM
SEE C
SYSTEM B 
RESERVOIR 
(REF) 
CASE DRAIN FILTER FOR 
THE SYSTEM A EMDP 
SEE  D  E 
HYDRAULIC SYSTEM A 
A 

CASE DRAIN FILTER FOR
THE SYSTEM B EMDP

SYSTEM B EMDP SEED E (REF)
HYDRAULIC SYSTEM B
B

EMDP Case Drain Filter - Maintenance Practices Figure 201 (Sheet 1)
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 29-15-34
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A

737-300/400/500MAINTENANCE MANUAL
STANDBY SYSTEM RESERVOIR (REF)
STANDBY SYSTEM PRESSURE MODULE (REF)
CASE DRAIN FILTER FOR THE STANDBY SYSTEM
SEED E
STANDBY HYDRAULIC SYSTEM C
CHECK 
VALVE  MOUNTING BOLT 
(EXAMPLE) 

CASE DRAIN FILTER
(SYSTEM A IS SHOWN, SYSTEM B AND
THE STANDBY SYSTEM ARE OPPOSITE)

D

EMDP Case Drain Filter - Maintenance Practices

Figure 201 (Sheet 2)

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 29-15-34
 ALL  ú ú 01 Page 203 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

CASE DRAIN FILTER
(SYSTEM B AND THE STANDBY SYSTEM
ARE SHOWN, SYSTEM A IS OPPOSITE)

EMDP Case Drain Filter - Maintenance Practices
　
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