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COOLER 46. WASHER (4)
AFT MOUNT 47. BOLT (4)
SEE C 48. FUEL/OIL COOLER FWD
BYPASS VALVE
SOLENOID
1. FUEL/OIL
COOLER COOLER 2. PACKING
FORWARD MOUNT
3. ADAPTER
SEE A SEE B
4. PACKING35. PACKING
34. ADAPTER
7. ELBOW
8. GASKET
17. PACKING 5. RETAINER22. ADAPTER 49. PACKING (3) 6. LOCKNUT30. ELBOW
11.
PACKING 9. WASHER (8)
12.
ADAPTER
2. PACKING
17. PACKING
3. ADAPTER
2. PACKING
25. FUEL/OIL 1 10. BOLT (8)
BYPASS VALVE 3. ADAPTER COOLER 22. ADAPTER
17. PACKING 4. PACKING24. PACKING 18. ADAPTER 5. RETAINER
19. PACKING23. ADAPTER 6. LOCKNUT
20. ADAPTER 2
17. PACKING
22. ADAPTER 7. ELBOW31. ELBOW 22A. TEE
A
1
PREFERRED CONFIGURATION
2
OPTIONAL CONFIGURATION
Fuel/Oil Cooler and Bypass Valve Installation Figure 405 (Sheet 1)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
38. COTTER PIN
37. WASHER
36. BOLT (2 PLACES)
42. FORWARD
39. NUT
FWD MOUNT
HINGE
COOLER FORWARD FLANGE
40.
FORWARD MOUNT PIN
41.
FORWARD MOUNT
ENGINE RETAINER
BRACKET
(REF)
B
43.
BRACKET
44.
BOLT (4 PLACES)
45.
WASHER (3 PLACES)
FWD
ENGINE BRACKETCOOLER AFT FLANGE (REF)
C
Fuel/Oil Cooler and Bypass Valve Installation
Figure 405 (Sheet 2)
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D. Procedure
S 864-002-N00
(1)
Supply electrical power (AMM 24-22-00/201).
S 864-003-N00
(2)
Make sure the applicable FUEL CONTROL switch is in the CUTOFF position.
(a) Install the DO-NOT-OPERATE tag.
S 864-004-N00
(3) Push the STAT button on the select panel of the EICAS display to make sure the status page shows on the auxiliary EICAS.
(a) Make sure the applicable FUEL SPAR VLV 1, 2, 3, or 4 status message is not shown.
___
S 864-005-N00
(4) For the applicable engine, open these circuit breakers on the main power distribution panel, P6, and install the DO-NOT-CLOSE tags:
(a)
6F15 ENG 1 PERF SOL PWR A
(b)
6F16 ENG 1 PERF SOL PWR B
(c)
6E15 ENG 2 PERF SOL PWR A
(d)
6E16 ENG 2 PERF SOL PWR B
(e)
6D15 ENG 3 PERF SOL PWR A
(f)
6D16 ENG 3 PERF SOL PWR B
(g)
6C15 ENG 4 PERF SOL PWR A
(h)
6C16 ENG 4 PERF SOL PWR B
(i)
6G1 FUEL SHUTOFF VALVE ENG 1
(j)
6G2 FUEL SHUTOFF VALVE ENG 2
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