D.
Fuel Pump Outlet Filter Element Removal
S 022-024
(1)
Do these steps to remove the outlet filter element (7):
(a)
Put the container below the fuel pump (1).
(b)
Disconnect the electrical connector D95003 (P3) (9) from the fuel filter bypass indicator on the filter cover (10).
(c)
Remove the filter cover (10) and outlet filter element (7).
(d)
Remove the two packings (6) and packing (8) from the outlet filter element (7) and filter cover (10). 1) Discard the two packings (6), packing (8) and outlet filter
element (7).
(e)
Make sure you install all necessary protection covers.
(f)
Remove the container.
TASK 49-31-00-402-032
6. Fuel Pump Outlet Filter Element Installation (Fig. 201)____________________________________________
A. References
(1)
AMM 49-11-00/201, Auxiliary Power Unit
B.
Equipment
(1)
217024-11 Tool - Packing Assembly (or equivalent tool) ARGO-TECH 23555 Euclid Avenue, Cleveland, OH 44117
C.
Consumable Materials
(1)
G01048 Lockwire, Corrosion Resistant Steel (0.032 Inch Diameter) -MS20995C32
(2)
D00504 Lubricant, Petrolatum Jelly - VV-P-236 or
(3)
D00418 Oil - Aircraft Turbine Engine
D.
Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 201 | 6 | Packing | 49-31-03 | 01 | 81 | | | 7 | Filter Element | | | 82 | | | 8 | Packing | | | 76 | 2.......….......…...................................…...........…......….......1
E.
Access
(1)
Location Zones
221 Control Cabin - Left
222 Control Cabin - Right
310 Fuselage - Station 2360 to Station 2792
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49-31-00
ALL ú ú 05 Page 211 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2)
Access Panels
317AL APU Access Door - Left
318AR APU Access Door - Right
F.
Procedure
S 422-097
CAUTION: REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY.
_______ IF YOU DO NOT REMOVE THE PROTECTION COVERS, DAMAGE TO THE APU CAN OCCUR.
(1)
Do these steps to install the outlet filter element (7):
(a)
Lubricate the two new packings (6) and new packing (8) with a light coat of lubricant or oil.
(b)
Install the two packings (6) on the new outlet filter element (7).
(c)
Use the packing assembly tool or an equivalent tool to install the packing (8) on the filter cover (10).
(d)
Install the outlet filter element (7) in the port of the fuel pump housing.
(e)
Install the filter cover (10) on the port of the fuel pump housing. 1) Tighten the filter cover (10) to 200-250 inch-pounds
(22.6-28.3 newton-meters). 2) Install a lockwire on the filter cover (10) and fuel filter bypass indicator.
(f)
Do these steps to connect the electrical connector D95003 (P3)
(9)
to the fuel filter bypass indicator on the filter cover (10): 1) Connect the electrical connector D95003 (P3) (9) to the
fuel filter bypass indicator on the filter cover (10).
2) Tighten the coupling ring on the electrical connector D95003 (P3) (9) until the electrical connector is at the bottom of the receptacle and the connection is tight.
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