Remove the Tube Assembly (No. 4 Bearing Scavenge - Right Hand). To
remove this tube assembly, you disconnect the tube nut (2) from the
elbow (3) on the accessory gearbox (4) and remove the flared conical
seal (5).
Then, using a crowfoot wrench, disconnect the tube nut
(6) from the tee (7), lift out the tube assembly (1), and remove the
flared conical seal (8) (fig. 1-25).
Remove the Tube Assembly (Forward Reduction Gearbox Oil Feed). You
start this removal process by disconnecting the tube nut (2) from
the reducer (3) at the engine oil pump (4) and removing the flared
conical seal (5).
Then at the other end of the tube, remove the
tube nut (6) from the tube nipple (7), removed the flared conical
seal (8), and lift the tube assembly (1) from the powerpack (fig.
1-26).
Figure 1-25.
Tube Assembly (No. 4 Bearing Scavenge - Right Hand).
Remove the Tube Assembly (No. 1 Bearing Feed).
You begin this
removal process by cutting off the electrical tie-down strap (2).
Then you unscrew the tube nut (3) from the nipple (4) on the engine
oil pump (5) and remove the flared conical seals (6). At the other
end of the tube assembly, unscrew the tube nut (7) from the nipple
(8) at the top of the inlet housing (9), and remove the tube
assembly (1) and the conical flared seals (10) (fig. 1-27).
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OD1707
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