(c)  
Remove and discard O-ring from the drain plug (70).

 S 024-124-C00
 (8)  ENGINES PRE CFMI SB 73-125 AND PRE CFMI SB 73-A129; (CONFIGURATION ONE); Remove the attaching bolts (40) and the washers (30) from the fuel filter cover (50).
 (a)  Do an inspection of the helicoil inserts, main fuel pump housing, washers and bolts (AMM 73-11-02/601).
 S 024-125-C00
 (9)  ENGINES POST CFMI SB 73-125 AND PRE CFMI SB 73-A129; (CONFIGURATIONS TWO AND THREE); Remove the bolts (200), self aligning nuts (220), and washers (210) and (230) from the filter cover.
 (a)  Do an inspection of the bolts, self aligning nuts, and washers (AMM 73-11-02/601).
 S 024-126-C00
 (10) ENGINES POST CFMI SB 73-A129; (CONFIGURATION FOUR); Remove the bolt and washer, nuts, and flat washers from the filter cover.
 (a)  Do an inspection of the bolt and washer, main housing insert, nuts, flat washers, and D-bolt threads (AMM 73-11-02/601).
 S 024-127-C00
 (11)
 Remove the fuel filter cover (50).

 S 024-128-C00

 (12)
 Remove and discard the O-ring (90) from the fuel filter cover (50).

 S 214-132-C00

 (13)
 Do an inspection of the filter cover and filter element (AMM 73-11-02/601).

 (a)  If the inspection of the filter cover and filter element makes it necessary to remove the main fuel pump, make sure to keep the filter element with the fuel pump.
 NOTE: This will help with the investigation into the cause
____
 of the fuel pump failure.

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737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b)  If the inspection does not make it necessary to remove the main fuel pump, then discard the filter element and O-ring.
 S 164-133-C00
 (14) ENGINES PRE CFMI SB 73-A129;
 (CONFIGURATIONS ONE, TWO, AND THREE);
 Do the step that follows:

 WARNING:_______SOLVENT IS HIGHLY FLAMMABLE. DO NOT USE NEAR AN OPEN FLAME.
 (a)  Clean the fuel filter housing and cover with solvent.
 TASK 73-11-02-404-013-C00
 3. Fuel Filter Cartridge Installation
__________________________________
 A. Consumable Materials
 (1)  
B00682 Grease - Graphite (CP2101) (AMM 70-10-01/201)

 (2)  
Petrolatum - Pure Mineral (CP2102), local
 purchase

 (3)  
Vaseline (CP 5070), local purchase

 (4)  
De-aromatized Petroleum (CP5074) (AMM 70-10-01/201)

 (5)  
Safetywire (CP 8001 or CP 8002) (AMM 70-10-01/201)

 B. References
 (1)  
AMM 71-00-00/501, Power Plant

 (2)  
AMM 71-11-02/201, Fan Cowl Panel

 C. Access
 (1)  Location Zones
 506 Engine No. 1
 606 Engine No. 2

 D. General
 CAUTION: THERE ARE SEVERAL DIFFERENT TYPES OF ATTACHMENTS FOR THE FUEL
_______ FILTER COVER. BEFORE YOU BEGIN THE TASK, VISUALLY CHECK THE FUEL FILTER COVER TO DETERMINE THE TYPE OF ATTACHMENT CONFIGURATION. DO THE PROCEDURE FOR THAT CONFIGURATION.
 CAUTION: USE ONLY ATTACHMENTS THAT ARE CORRECT FOR THE FUEL FILTER COVER
_______ CONFIGURATION. THE ATTACHMENT DESIGNS ARE NOT INTERCHANGEABLE.
 (1)  Obey these CAUTIONs during all of this task.
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 ALL  ú ú C01 Page 410 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
E. Procedure
 S 424-120-C00
 CAUTION: IT IS NOT PERMITTED TO MIX DIFFERENT TYPES OF FILTER COVER
　
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