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Page Title:
FIGURE 375. REPLACING PRESSURE OIL OR SCAVENGER OIL PUMP DRIVEN IMPELLER BUSHING-TYPE BEARINGS. |
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 of the driven impeller. This allows
Assemble drive shaft impeller, scaven-
for an oil groove, or channel, between
ger oil pump housing, and drive impel-
the two bearings.
ler. Figure 376. (A) Lubricate bearing
surface of drive shaft impeller with
engine oil (OE-10). Slide shaft through
bushing-type bearing, with the Woodruff
keys clear of bearing surface and keys
not displaced. (B) Position scavenger
oil pump drive impeller to aline the
keyway in impeller with Woodruff keys
in drive shaft impeller. (C) Using a
suitable pressing arbor, press drive
impeller on drive shaft impeller until
it bottoms against bearing surface on
shaft.
OR SCAVENGER OIL PUMP DRIVEN
IMPELLER BUSHING-TYPE BEARINGS.
(3) Repair of the pressure relief valve con-
sists of replacing cracked or damaged
cap (AA-15), cracked or worn springs
(AA-13), or springs that do not meet
limits specified in repair and rebuild
standards (par. 293). Remove minor
burs and raised metal from plungers
(AA-12) with crocus cloth dipped in
dry- cleaning solvent or mineral spirits
paint thinner. Replace badly burred or
scratched plungers or if they do not
meet limits specified in repair and re-
build standards (par. 293).
d. Assembly.
(1) Install drive shaft impeller Woodruff
keys. Refer to figure 370 and reverse
the instructions to install the drive
PUMP DRIVE IMPELLER ON DRIVE
shaft impeller Woodruff keys.
SHAFT IMPELLER.
233
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