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

ACCESSORY GEARBOX (AGB) AND

(2)

ES-2. AGB GEAR TRAIN TURNS

UNEVENLY (BINDS) WHEN TURNED BY

HIGH PRESSURE COMPRESSOR -

HAND AND RUBBING OR BINDING IS

CONTINUED

FELT WHEN TUBEAXIAL FAN BLADES

OR LEFT COOLING FAN BLADES ARE

TURNED BY HAND. - CONTINUED

CONTINUED FROM STEP 6

YES

A. Replace number 10 bearing

B. Verify problem is solved.

Replace number 10 bearing

B. Salvage Gas Turbine Power

C. Verify problem is solved.

FROM STEP 2 OR 3

NOTE

Splined shaft (1) does not turn

easily. You may have to use

both hands and some force.

Check rotation of splined shaft

(1) by turning shaft (1) clock-

wise. Shaft should turn

smoothly. No rubs or binds

should be felt and no unusual

noises should be heard.

Does shaft turn smoothly with no

unusual noises?

CONTINUED ON NEXT PAGE

Change 6

3-25