D.  Procedure
 S 014-002
 (1)
Open the applicable access panel, 3302 or 3401.

 S 024-003

 (2)
Remove the filter bowl (with filter element in it) from the module.

 S 034-004

 (3)
Remove the O-rings and backup rings from the module.

 (a) Discard the filter element and the O-rings.
 S 144-005
 (4) Clean the filter bowl.
 TASK 29-15-08-404-010
Ground Service Disconnect Filter Installation (Fig. 401)

_____________________________________________

 A.  Standard Tools and Equipment
 (1) Hydraulic test stand
 B.  Consumable Materials
 (1) D00054 Skydrol assembly lube - MCS 352
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
GROUND SERVICE DISCONNECT MODULE
SEE A
RAM AIR BAY (EXAMPLE)
AFT BULKHEAD, RAM AIR BAY
PRESSURE LINE
MOUNTING BOLT
(EXAMPLE)

PRESSURE
LINE
GROUND SERVICE DISCONNECT MODULE
RETURN LINE
RETURN LINE
GROUND SERVICE
FWD DISCONNECT FILTER
SEE B
GROUND SERVICE DISCONNECT MODULE
A
Ground Service Disconnect Filter 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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

GROUND SERVICE DISCONNECT FILTER

Ground Service Disconnect Filter
Figure 401 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 C.
D.
E.
A
737-300/400/500MAINTENANCE MANUAL
 (2)
D00153 Hydraulic Fluid - BMS 3-11References

 (1)
AMM 12-40-00/201, Cleaning and WashingAccess

 (1)  
Location Zones 211 Left Ram Air Duct 213 Right Ram Air Duct

 (2)  
Access Panels 3302L Underwing Fairing Access Panel 3401R Underwing Fairing Access Panel

Procedure
 S 434-006
 (1)  Make sure the adapter in the module is tight. If it is not tight, do these steps:
 (a)  
Remove the adapter.

 (b)  
Replace the O-ring.

 (c)  
Install the adapter in the module and tighten it to 50-200 pound-inches.

 S 644-007
 (2)  
Lubricate the O-ring and the backup ring with hydraulic fluid or assembly lube and install them on the filter element. Put the backup ring below the O-ring.

 S 644-008

 (3)  
Lubricate the O-ring and the backup rings with hydraulic fluid or assembly lube and install them in the module.

 S 434-009
 CAUTION: PUT HYDRAULIC FLUID IN THE FILTER BOWL BEFORE YOU PUT THE
_______ FILTER ELEMENT IN THE FILTER BOWL. AIR BELOW THE FILTER ELEMENT CAN CAUSE DAMAGE TO IT.
 (4)  
Fill the filter bowl approximately 1/3 full with hydraulic fluid.

 (5)  
Put the filter element in the filter bowl.

 S 424-012

 (6)  
Install the filter bowl on the module.

 S 424-011
 (a)  Tighten the filter bowl to 50-75 pound-inches and install lockwire.
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