(j)
Remove the flow divider and dump valve (1).
(k)
Remove the two packings (7) from the flow divider and dump valve (1). 1) Discard the two packings (7).
(l)
Remove the elbow (4), nut (5), ring (6) and packing (2) from the flow divider and dump valve (1). 1) Discard the ring (6) and packing (2).
(m)
Make sure you install all necessary protection covers.
(n)
Remove the container.
TASK 49-31-00-402-056
10. Flow Divider and Dump Valve Installation (Fig. 202)________________________________________
A. References
(1)
AMM 49-11-00/201, Auxiliary Power Unit
B.
Consumable Materials
(1)
D00098 Fuel, Turbine Engine - P01-001
C.
Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 202 | 1 | Flow Divider and Dump Valve | 49-31-00 | 01 | 10 | | | 2 | Packing | | | 27 | | | 6 | Ring | | | 26 | | | 7 | Packing | | | 15 | | | 9 | Packing | | | 65 | 2.......….......…...................................…...........…......….......1
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A
747-400
MAINTENANCE MANUAL
FWD SEE A
APU COMPARTMENT FUEL UNIT METERING FWD BSEE AND DUMP VALVE 1. FLOW DIVIDER
DRAIN TUBE 3. FUEL 4. ELBOW 5. NUT NOZZLE FUEL ADAPTER A
6. RING
2. PACKING
FWD AND DUMP VALVE 1. FLOW DIVIDER 13. WASHER BRACKET (QTY 2) (3 LOCATIONS) 11. BOLT (2 LOCATIONS) 7. PACKING TUBE 8. TRANSFER 9. PACKING TUBE PRESSURE 10. FUEL
FLOW DIVIDER AND DUMP VALVE 12. BOLT
B
Figure 202 Flow Divider and Dump Valve Installation
L99058
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
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
E.
Procedure
S 422-109
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 flow divider and dump valve (1):
(a)
Lubricate the new packing (2) with a light coat of fuel.
(b)
Install the nut (5) and a new ring (6) on the elbow (4).
(c)
Install the packing (2) and then the elbow (4) (with the nut (5) and ring (6)) on the flow divider and dump valve (1).
(d)
Tighten the nut (5) with your fingers.
(e)
Lubricate the two new packings (7) with a light coat of fuel.
(f)
Install the two packings (7) on the flow divider and dump valve (1).
(g)
Put the flow divider and dump valve (1) on the fuel nozzle adapter. 1) Make sure the elbow (4) on the flow divider and dump
valve (1) points to the front of the APU.
(h)
Install the flow divider and dump valve (1) and bracket with its attaching parts on the fuel nozzle adapter with the washer (13) and four bolts (11), (12).
NOTE: You install the bracket with its attaching parts on the
____ left aft hole of the flow divider and dump valve (1).
1) Tighten the four bolts (11), (12) to 36-40 inch-pounds (4.1-4.5 newton-meters).
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