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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
d. ENGINE - CONTINUED
(4)
E S - 2 0 . ENGINE SMOKES (BLUE
S M O K E ) DURING START AND/OR
SHUTDOWN ONLY. OK DURING
OPERATION. - CONTINUED
CONTINUED FROM STEP 8
A. Replace adapter and
shaft assembly seal
rings (page 6-22.5).
B. Replace No. 7 bearing
seal (page 6-22.1).
C. I n s t a l l f o r w a r d e n g i n e
module (page 5-18).
D. V e r i f y p r o b l e m i s
solved.
9
Check seal rings (1) to see if
split lines (gaps) (2) are
facing 180 degrees away from
each other.
I
Are gaps 180 degrees apart?
I
I
Position seal ring split
lines (gaps) so they are
180 degrees apart.
10
NOTE
A thin
smooth black
finish
is
I
OK.
I
I
Check No. 7 b e a r i n g s e a l a r e a
(3) on RGB assembly (4) for a
heavy rouqh coating of burnt
oil deposits (coking).
Does seal area have heavy rough
coating of burnt oil deposits
(coking)?
I
CONTINUED ON NEXT PAGE
Change 5
3-169
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