AGB GEAR TRAIN TURNS UNEVENLY (BINDS) WHEN TURNED BY HAND AND 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

(2) ES-2. . AGB GEAR TRAIN TURNS

HIGH PRESSURE COMPRESSOR -

UNEVENLY (BINDS) WHEN TURNED BY

CONTINUED

HAND AND RUBBING OR BINDING IS

FELT WHEN TUBEAXIAL FAN BLADES

OR LEFT COOLING FAN BLADES ARE

TURNED BY HAND - CONTINUED

Check high pressure compressor

system rotation by turning

spline coupling (3) clockwise.

High pressure compressor system

should turn smoothly. No rubs

or binds should be felt and no

unusual noises should be heard.

Does high pressure compressor turn

smoothly with no unusual noises?

Clean AGB (page 7-46).

CONTINUED ON NEXT PAGE

3-22

Change 5