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Page Title:
AGB GEAR TRAIN TURNS UNEVENLY (BINDS) WHEN TURNED BY HAND, RUBBING OR BINDING IS FELT WHEN TUBEAXIAL FAN BLADES OR LEFT COOLI... |
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 TM 9-2835-255-34
3-2. TROUBLESHOOTING - CONTINUED
a.
ACCESSORY GEARBOX (AGB) AND
(10) ES-10. AGB GEAR TRAIN TURNS
UNEVENLY (BINDS) WHEN TURNED BY
HIGH PRESSURE COMPRESSOR -
HAND, RUBBING OR BINDING IS
CONTINUED
FELT WHEN TUBEAXIAL FAN
BLADES OR LEFT COOLING FAN
BLADES ARE TURNED BY HAND AND
THERE ARE METAL CHIPS IN THE
OIL PUMP TO OIL COOLER FLUID
FILTER. - CONTINUED
CONTINUED FROM STEP 2
3
A. Remove forward RGB scavenge
tube assembly (1) and screen
(2) (TM 20-1).
WARNING
B. Pour one quart of dry cleaning
solvent through scavenge tube
assembly (1) and into clean pail.
C. Check solvent in pail for metal
chips.
Are there metal chips in solvent?
YES
NO
A. Clean AGB (page 7-46).
B. Clean RGB lubrication
system (page 8-1).
C. Replace number 10 bearing
D. Replace engine oil pump
(TM 20-1).
E. Verify problem is solved.
CONTINUED ON NEXT PAGE
3-85
Change 6
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