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Page Title: AGB GEAR TRAIN TURNS UNEVENLY (BINDS) WHEN TURNED BY HAND, LOW PRESSURE COMPRESSOR RUBS OR BINDS WHEN TURNED BY HAND AND THER...
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TM 9-2835-255-34
3-2. TROUBLESHOOTING - CONTINUED
(8)
ES-8. AGB GEAR TRAIN TURNS
a. ACCESSORY GEARBOX (AGB) AND
UNEVENLY (BINDS) WHEN TURNED BY
HIGH PRESSURE COMPRESSOR -
HAND, LOW PRESSURE COMPRESSOR
CONTINUED
RUBS OR BINDS WHEN TURNED BY
HAND AND THERE ARE METAL CHIPS
IN THE OIL PUMP TO OIL COOLER
FLUID FILTER. - CONTINUED
CONTINUED FROM STEP 6
A. Replace number 10 bearing
B. Replace forward engine
C. Clean AGB (page 7-46).
D. Replace engine oil pump
(TM 20-1).
E. Replace engine oil cooler
(TM 20-1).
F.  Replace engine AC
generator (TM 20-1).
G. Clean cooler and generator
lines (TM 20-1).
H. Verify problem is solved.
FROM STEP 3
7
WARNING
Compressor blades are sharp and
can cut you. Be careful not to
pinch fingers between blades
and vanes when turning
compressor.
Turn low pressure compressor
blades (1) by hand and high
pressure compressor blades by
turning splined coupling (2) in
both directions. Listen and feel
for rubbing or binding.
Do compressors turn smoothly with
no unusual noises?
I
CONTINUED ON NEXT PAGE
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Change 6

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