AGB GEAR TRAIN TURNS UNEVENLY (BINDS) WHEN TURNED BY HAND AND MORE THAN ONE HALF OF AGB AND MAIN OIL PUMP MAGNETIC PLUGS ARE COVERED WITH METAL CHIPS-continued

TM 9-2835-255-34

3-2. TROUBLESHOOTING - CONTINUED

ACCESSORY GEARBOX (AGB) AND (11) ES-11. AGB GEAR TRAIN TURNS

HIGH PRESSURE COMPRESSOR -

UNEVENLY (BINDS) WHEN TURNED BY

CONTINUED

HAND AND MORE THAN ONE HALF OF

AGB AND MAIN OIL PUMP MAGNETIC

PLUGS ARE COVERED WITH METAL

CHIPS. - CONTINUED

Check splined coupling (1) for

damage to splines.

Is splined coupling damaged?

A. Replace number 12 bearing

and splined coupling

B. Replace spur gearshaft (2).

C. Clean AGB (page 7-46).

D. Clean RGB lubrication

E. Replace number 10 bearing

F. Replace engine oil pump

(TM 20-1).

G. Replace engine oil cooler

(TM 20-1).

H. Replace engine AC

generator (TM 20-1).

I. Clean cooler and generator

lines (TM 20-1).

J. Verify problem is solved.

Change 6

3-99