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

a . ACCESSORY GEARBOX (AGB) AND

(10) ES-lO. AGB GEAR TWIN TURNS

HIGH PRESSURE COMPRESSOR -

U N E V E N L Y (BINDS) WHEN TURNED BY

CONTINUED

H A N D , RUBBING OR BINDING IS

FELT WHEN TUBEAXIAL FAN

BLADES OR LEFT COOLING FAN

BLADES ARE TURNED BY HAND AND

T H E R E ARE METAL CHIPS IN THE

O I L PUMP TO OIL COOLER FLUID

F I L T E R . -- C O N T I N U E D

CONTINUED FROM STEP 1

Check high pressure compressor

system rotation by turning

spline coupling (1) clockwise.

High pressure compressor system

should turn smoothly. No rubs

or binds should be felt and no

unusual noises should by heard.

Does high pressure compressor turn

smoothly with no unusual noises?

Go to step 11.

CONTINUED ON NEXT PAGE

3-84

Change 5