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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
9) Safety the tube nuts (1) with lockwire or safety cable and safety cable ferrule.
NOTE: The bolt (29) has the holes that you can use to
____
safety the lower tube nut.
10) Install the clamp (9) to the clamp (10) on the oil return tube of the air/oil heat exchanger of the IDG: a) Lubricate the threads of the bolt (11) with engine oil. b) Install the clamps (9 and 10) with the bolt (11) and
the nut (12). c) Tighten the nut (12) to 36-40 pound-inches (4.1-4.5 newton-meters).
11) Install the clamp (3A) to the HPC case bracket: a) Lubricate the threads of the bolt (4A) with engine oil. b) Install the bolt (4A) on the clamp (3A) and HPC case
bracket. 12) Install the clamp (9A) to the HPC bracket: a) Lubricate the threads of the bolt (11A) with engine oil. b) Install the clamp (9A) to the HPC bracket with the bolt (11A) and the nut (12A). c) Tighten the nut (12A) to 36-40 pound-inches (4.1-4.5 newton-meters).
13) Install the clamps (3) on the EEC wire harness to the support bracket: a) Lubricate the threads of the bolt (4) with engine oil. b) Install the clamps (3) to the support bracket with the
bolt (4).
(d) Install the fuel supply tube (21): 1) Put the supply tube (21) on the engine. 2) Remove the caps from the supply tube (21). 3) Lubricate the threads of the adapter for the fuel bypass
valve with engine oil. 4) Lubricate the threads of the adapter (22) for the FMU with
engine oil. 5) Lubricate the supply manifold for the fuel with engine oil. 6) Connect the tube nuts (19, 20, and 25) to the adapter for
the fuel bypass valve, the adapter (22) for the FMU, and the manifold for the supply fuel. 7) Tighten the tube nut (19) to 200-225 pound-inches (22.6-25.4 newton-meters). 8) Tighten the tube nut (20) to 450-500 pound-inches (50.8-56.5 newton-meters). 9) Tighten the tube nut (25) to 340-375 pound-inches (38.4-42.4 newton-meters). 10) Safety the tube nuts (19, 20, and 25) with lockwire or safety cable and safety cable ferrule.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
11) Install the lockwire on the tube nuts (19, 20 and 25).
S 424-083-N00
CAUTION: USE THE CORRECT ASSEMBLY PROCEDURE, AND TOOLS, FOR THE HARNESS
_______
CONNECTOR INSTALLATION (AMM 70-24-05/201). IF YOU USE THE
INCORRECT ASSEMBLY PROCEDURE, OR TOOLS, A DAMAGED OR LOOSE
CONNECTOR CAN OCCUR. A LOOSE CONNECTOR PERMITS VIBRATION,
WHICH CAUSES THE CONTACTS TO WEAR AND DECREASES THE LIGHTNING
PROTECTION.
(4)
Connect the electrical connectors (6, 6A, and 31) on the FMU (5)
(AMM 70-24-05/201):
(a)
Remove the caps from the electrical connectors (6 and 6A) W4P2 and W5P1.
(b)
Connect the electrical connectors (6 and 6A) W4P2 and W5P1 on the FMU (5).
(c)
Connect the electrical connector DM3108 (31): 1) Remove the cap from the electrical connector (31). 2) Connect the electrical connector (31) to the FMU (5).
G.
Return the Aircraft to Its Usual Condition
S 414-061-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______
THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS,
INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(1)
Close the thrust reversers (AMM 78-31-00/201).
S 414-058-N00
(2)
Close the core cowl panels (AMM 71-11-06/201).
S 414-059-N00
(3)
Close the fan cowl panels (AMM 71-11-04/201).
S 444-060-N00
(4)
Do the activation procedure for the thrust reversers
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