(a) Remove all particles as necessary using a brush or a clean soak.
(4)
Install the fuel filter cover (AMM 73-11-02/401).
S 428-004-C00
NOTE: Refer to fuel filter cartridge installation either
____
configuration 2 or 3.
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CFM56 ENGINES
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FLAT WASHER
BOLT
LEGEND A-A
INSERTS LOCATION (QTY 6) S-M56-MM-03945-00-B
Housing Insert Location (Pre SB 73-A129) Figure 801
H47341
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
MAIN FUEL PUMP
WASHER BOLT (1 LOCATION) A COVER FILTER DRAIN PLUG
A
PUMP HOUSING MAIN FUEL BOLT D-HEAD
RING RETAINING
WASHER FLAT
LEGEND COVER FILTER NUT
CONFIGURATION 4 POST SB 73-A129 A-A S-M56-MM-03945-00-B
Figure 802 Housing Inset Location (Post SB 73-A129)
L18266
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
MATERIAL:STANDARD STEEL S-M56-MM-03946-00-B
Insert Extractor Tool
Figure 803
H47193
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CFM56 ENGINES
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TASK 73-11-02-308-007-C00
3. ENGINES POST-CFMI-SB 73-A129; Replacement Of Defective D-Bolts On The Main Fuel Filter Housing
________________________________________________________________
A. General
(1) This procedure is to be done when D-bolts on the main fuel filter housing are found to be damaged.
B. Equipment
(1)
Pliers for retaining ring - local purchase
(2)
Container - 1-gallon (4-liter) capacity, suitable for fuel, local purchase
C. Consumable Materials
(1) None necessary.
D. Procedure
S 028-008-C00
(1) Remove the fuel filter cover (Fig. 802):
(a)
Put a suitable container, 1 US gallon (4 liters) in capacity, below the engine to collect residual fuel that drains out.
(b)
Cut and remove the lockwire from the drain plug.
(c)
Remove the drain plug and let the fuel drain.
(d)
Remove and discard the O-ring from the drain plug.
(e)
Remove the hex-head bolt and the washer.
(f)
Remove the five nuts and five flat washers from the fuel filter cover. 1) Discard the nut and flat washer of the defective or damaged
D-bolt.
(g)
Remove the fuel filter cover.
(h)
Remove and discard the O-ring from the fuel filter cover.
