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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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WARNING: BE CAREFUL WHEN YOU TOUCH THE FITTINGS AND LINES AFTER YOU
_______ MOTOR THE ENGINE. THE HOT OIL IN THE SYSTEM CAN BURN YOU.
(5)
Disconnect the inlet and outlet lines:
(a)
Disconnect the outlet line from the adapter on the housing for the main oil filter.
(b)
Disconnect the inlet line from the adapter on the top of the rear side of the oil pump.
G.
Put the engine back to its usual condition.
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(1)
Remove the bolts to disconnect the adapter from the flange on the housing for the main oil filter.
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(2)
Remove the bolts to disconnect the adapter from the flange on the top rear side of the oil pump.
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(3)
Install the tube assembly for the main oil filter (Fig. 201):
(a)
Remove the caps from the tube and the connections.
(b)
Install the packings lubricated with engine oil in the grooves on the two ends of the tube.
(c)
Put the forward end of the tube (with the flange) on the opening on the housing for the main oil filter.
(d)
Put the other end of the tube (with the bracket) on the opening on the top rear side of the oil pump.
(e)
Use bolts to install the flange on the tube forward end to the housing for the main oil filter: 1) Lubricate the bolt threads with engine oil. 2) Tighten the bolts with your hand.
(f)
Use bolts to install the rear end of the tube (with bracket) to the oil pump: 1) Lubricate the bolt threads with the antiseize compound.
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
2) Tighten the bolts with your hand.
(g)
Install the tube to the two gearbox brackets with clamp shells, clamps, bolts and nuts: 1) Lubricate bolt threads with engine oil. 2) Tighten the bolts with your hand.
(h)
Use the clamp shells, clamps, bolts, and nuts to install the tube to the diffuser case bracket and the oil scavenge tube: 1) Lubricate bolt threads with engine oil. 2) Tighten the bolts with your hand.
(i)
Tighten all clamp bolts to 36-40 pound-inches (4.1-4.5 newton-meters).
(j)
Tighten the bolts that attach the tube to the housing for the main oil filter to 85-95 pound-inches (9.6-10.7 newton-meters).
(k)
Tighten the bolts that attach the tube to the main oil pump to 62-72 pound-inches (7.0-8.1 newton-meters).
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(4)
Install caps on all the connection lines and hydraulic systems of the cart.
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(5)
Prepare the engine for an installation or do a preservation procedure.
NOTE: For the best results, you can use the initial oil quantity
____ to motor the engine for a second time. You must increase the temperature of the oil again before you motor the engine a second time. You must remove the water from the oil kept in the cart before you use the oil again. You must examine the oil kept in the cart to make sure that the oil is in a good condition.
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POWER PLANT (ENGINE CONVERSION) - MAINTENANCE PRACTICES
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本文鏈接地址：747-400 AMM 飛機維護手冊 動力裝置 POWER PLANT 2(34)
