747-400
MAINTENANCE MANUAL
SEE A APU COMPARTMENT FWD BSEE ADAPTER 1. FUEL METERING
FUEL UNIT METERING
FWD
A
Fuel Metering Adapter Installation Figure 401 (Sheet 1)
L98914
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A
747-400
MAINTENANCE MANUAL
FUEL PUMP
12. PACKING
(2 LOCATIONS)
1. FUEL METERING
ADAPTER
2. PACKING
11. WASHER 3. RING
(5 LOCATIONS)
4. NUT
10. NUT
(5 LOCATIONS)
9. PACKING
5. FUEL SUPPLY TUBE
8. NIPPLE (FROM FUEL-COOLED
OIL COOLER)
7. FUEL RETURN 6. ELBOW
TUBE
(FROM FUEL-COOLED FWD
OIL COOLER)
FUEL METERING ADAPTER
B
Fuel Metering Adapter Installation
Figure 401 (Sheet 2)
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747-400 MAINTENANCE MANUAL
(d)
Install a cap on the fuel supply tube (5).
(e)
Disconnect the fuel return tube (7) from the nipple (8).
(f)
Drain the fuel from the fuel return tube (7) into the container.
(g)
Install a cap on the fuel return tube (7).
(h)
Remove the five nuts (10) and five washers (11) that attach the fuel metering adapter (1) to the fuel pump.
(i)
Remove the fuel metering adapter (1).
(j)
Remove the two packings (12) from the fuel metering adapter (1). 1) Discard the two packings (12).
(k)
Remove the elbow (6), nut (4), ring (3) and packing (2). 1) Discard the ring (3) and packing (2).
(l)
Remove the nipple (8) from the fuel metering adapter (1).
(m)
Remove the packing (9) from the nipple (8). 1) Discard the packing (9).
(n)
Make sure you install all necessary protection covers.
(o)
Remove the container.
TASK 49-31-02-404-010
3. Fuel Metering Adapter Installation (Fig. 401)__________________________________
A. References
(1)
AMM 49-31-01/401, Fuel Metering Unit
B.
Consumable Materials
(1)
D00098 Fuel, Turbine Engine - P01-001
C. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Adapter (Fuel Metering Adapter) | 49-31-02 | 01 | 25 | | | 2 | Packing | 49-31-00 | 01 | 100 | | | 3 | Ring | | | 95 | | | 9 | Packing | | | 160 | | | 12 | Packing | 49-31-02 | 01 | 15 | 2.......….......…...................................…...........…......….......1
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747-400
MAINTENANCE MANUAL
D. Access
(1)
Location Zones
221 Control Cabin - Left
222 Control Cabin - Right
310 Fuselage - Station 2360 to Station 2792
(2)
Access Panels
317AL APU Access Door - Left
318AR APU Access Door - Right
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