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 (2) Inspection. Inspect pressure oil pump
tube screen with a wire brush to remove
deposits of carbon and sludge. Blow out
pickup tube (GG) for dents, cracks,
loose flange, and flattened areas. Check
screen and tube with compressed air
pickup tube screen for cracks. Check
and dry thoroughly.
mounting flange with a straight edge for
(2) Inspection. Inspect scavenger oil pump
warpage. Inspect pickup tube upper
inlet tube (J) for dents, cracks, loose
clamp (E) and pickup tube lower clamp
flange, and flattened areas. Check inlet
(D) for cracks and deformity.
tube screen for cracks. Check mounting
flange with a straight edge for warpage.
c. Repair. Minor warpage of the mounting
Inspect both brackets (L) for cracks
flange of the pressure oil pump pickup tube
and deformity.
(GG) can be corrected by working the flange
across a sheet of crocus cloth held tightly on
c. Repair. Correct minor warpage of the
mounting flange of the scavenger oil pump inlet
a flat surface. Replace a pickup tube that is
tube (J) by working the flange across a sheet
damaged, broken, or unserviceable. Replace
damaged or unserviceable pickup tube upper
of crocus cloth held tightly on a flat surface.
clamp (E) and pickup tube lower clamp (D).
Replace inlet tube that is damaged, broken, or
unserviceable. Replace damaged or unservice-
d. Assembly. Refer to figure 378 and reverse
able inlet tube bracket (L).
t h e sequence of instructions to assemble the
clamps to the pressure oil pump pickup tube,
d. Assembly. Refer to figure 379 and reverse
t h e sequence of instructions to assemble the
scavenger oil pump inlet tube.
Note. The key letters shown below in paren-
theses refer to figure 371 except where other-
wise indicated.
Note. The key letters shown below in paren-
theses refer to figure 371 except where other-
a. Disassembly. Figure 379. (A) Scribe aline-
wise indicated.
ment marks across scavenger oil pump inlet
tube brackets and inlet tube to insure proper
a. Disassembly. Removal and disassembly of
t h e- pressure oil pump outlet tube (X) and a-
assembly. (B) Remove 1/4- inch plain nuts, l/4-
inch lock washers, and 1/4 x 5/8 cap screws
dapter (S) was performed during engine disas-
securing bracket to the scavenger oil pump
sembly (par. 136).
inlet tube. Spread bracket to remove. (C) Remove
the remaining bracket in the same manner.
b. Cleaning and Inspection.
b. Cleaning and Inspection.
(1) Cleaning. Clean the pressure oil pump
outlet tube (X) and adapter (S) as
directed in paragraph 152 b and d. Blow
(1) Cleaning. Clean scavenger oil pump in-
out adapter and tube with compressed
let tube (J) and bracket (L) as directed
air and dry thoroughly.
in paragraph 152 b and d . Clean inlet
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