AGB GEAR TRAIN TURNS UNEVENLY (BINDS) WHEN TURNED BY HAND, RUBBING OR BINDING IS FELT WHEN TUBEAXIAL FAN BLADES OR LEFT COOLING FAN BLADES ARE TURNED BY HAND-continued

TM 9-2835-255-34

3-2. TROUBLESHOOTING - CONTINUED

ACCESSORY GEARBOX (AGB) AND

(10) ES-10. AGB GEAR TRAIN TURNS

HIGH PRESSURE COMPRESSOR -

UNEVENLY (BINDS) WHEN TURNED BY

CONTINUED

HAND, RUBBING OR BINDING IS

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 5

A. Salvage Gas Turbine Power

B. Replace number 10 bearing

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 1

Check splined coupling (1) for

damage to splines.

Is splined coupling damaged?

CONTINUED ON NEXT PAGE

3-88

Change 6