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Page Title:
ENGINE SMOKES (BLUE SMOKE) DURING START, OPERATION AND SHUTDOWN-continued |
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 TM 9-2835-255-34
3-2. TROUBLESHOOTING - CONTINUED
(5) ES-21. ENGINE SMOKES (BLUE
d. ENGINE - CONTINUED
SMOKE) DURING START, OPERATION
AND SHUTDOWN. - CONTINUED
CONTINUED FROM STEP 4
Check No. 5 and 6 bearing oil
scavenge tube assembly (1) as
listed below:
Check for evidence of
leakage.
Check to see if part number
etched on tube assembly
ends in -02.
Is there evidence of oil leakage or
is -02 part number installed?
NOTE
Tube assembly with part
number ending in -03 shall
be used in lieu of part
number ending in -02.
Replace No. 5 and 6 bearing
oil scavenge tube assembly
and internal pressure
special seals (page 6-10).
Look into rear engine
subassembly (2) and check power
turbine rotor (3) for evidence
of oil leakage at outer edge of
blades (4).
Is there evidence of oil leakage at
outer edge of power turbine rotor
blades?
CONTINUED ON NEXT PAGE
Change 5
3-177
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