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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
(9) ES-9. AGB GEAR TRAIN TURNS
a.
ACCESSORY GEARBOX (AGB) AND
UNEVENLY (BINDS) WHEN TURNED BY
HIGH PRESSURE COMPRESSOR -
HAND, RUBBING OR BINDING IS FELT
CONTINUED
WHEN TUBEAXIAL FAN BLADES OR
LEFT COOLING FAN BLADES ARE
TURNED BY HAND AND MORE THAN ONE
HALF OF AGB MAGNETIC PLUG IS
COVERED WITH METAL CHIPS. - CONTINUED
CONTINUED FROM STEP 7
NO
YES
A. Salvage Gas Turbine Power
Unit (page 6-63).
B. Clean AGB (page 7-46).
C. Replace engine oil pump
(TM 20-1).
D. Replace engine oil cooler
(TM 20-1).
E. Replace engine AC
generator (TM 20-1).
F. Clean cooler and generator
lines (TM 20-1).
G. Verify problem is solved.
A. Salvage Gas Turbine Power
Unit (page 6-63).
B.
Replace forward engine
module (page 5-13).
C.
Clean AGB (page 7-46).
Replace engine oil pump
D.
(TM 20-1).
Replace engine oil cooler
E.
(TM 20-1).
F.
Replace engine AC
generator (TM 20-1).
G.
Clean cooler and generator
lines (TM 20-1).
Verify problem is solved.
H.
CONTINUED ON NEXT PAGE
3-77
Change 6
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