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Page Title:
RUBBING OR BINDING IS FELT WHEN TUBEAXIAL FAN BLADES O R LEFT COOLING FAN BLADES ARE TURNED BY HAND AND MORE THAN ONE HALF OF... |
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 TM
9-2835-255-34
-
CONTINUED
3-2. TROUBLESHOOTING
( 3 ) E S - 4 2 . R U B B I N G OR BINDING IS
k. POWER TURBINE AND REDUCTION
F E L T WHEN TUBEAXIAL FAN BLADES
O R LEFT COOLING FAN BLADES ARE
TURNED BY HAND AND MORE THAN
O N E HALF OF MAIN OIL PUMP
M A G N E T I C PLUG IS COVERED WITH
METAL CHIPS. - C O N T I N U E D
CONTINUED FROM STEP 1
NO
YES
A.
Clean RGB lubrication
system (page 8-1).
B. Replace RGB assembly
C. Replace engine oil pump
(TM 20-1).
D. Verify problem is
solved.
A. R e m o v e R G B a s s e m b l y
2
B. Check rotation of RGB
assembly (1) by putting
splined shaft (2) in RGB
assembly and turning shaft
[2) clockwise. Shaft should
turn smoothly and no unusual
noises shduld be heard.
I
Does shaft turn
smoothly
with
no
unusual noises?
CONTINUED ON NEXT P A G E
Change 5
3-320
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