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Page Title: ENGINE SMOKES (BLUE SMOKE) DURING START AND/OR SHUTDOWN ONLY-continued
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TM
9-2835-255-34
3-2. TROUBLESHOOTING - CONTINUED
I
I
( 4 ) E S - 2 0 .  ENGINE SMOKES (BLUE
d . E N G I N E - CONTINUED
S M O K E ) DURING START AND/OR
SHUTDOWN ONLY. OK DURING
OPERATION.  - CONTINUED
Supplies:
Tools:
Marker  (Item  25,  Appendix  B)
General  mechanic's  tool  kit:
Penetrating  oil  (Item  44,
automotive (SC 5180-90-N26)
Wiping  rag  (Item  14,  Appendix
B)
A.
Remove  forward
engine
module
CAUTION
Do  not  lean  or  hang  anything  on
s h a f t  ( 1 ) .  Damage  to  bearing  or
seals  may  result.
B. Remove reduction gearbox
(RGB)  assembly  (page  6-17).
C.  Check  power  turbine  nozzle
(2)  and  turbine  rotor  blades
(3)  for  evidence  of  oil.
Is  there  evidence
of
oil
on
nozzle
I
or blades?
A. Replace forward engine
B.  Go  to  step  4.
2
Check  between  air  diffuser  (4)
and  diffuser  liner  (5)  for
evidence  of  oil  leakage.
Is  there  evidence  of  oil  leakage
between  diffuser  and  liner?
CONTINUED ON NEXT PAGE
3-165
Change 5

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