AGB GEAR TRAIN TURNS UNEVENLY (BINDS) WHEN TURNED BY HAND, LOW PRESSURE COMPRESSOR RUBS OR BINDS WHEN TURNED BY HAND AND THERE ARE METAL CHIPS IN THE OIL PUMP-continued

TM 9-2835-255-34

3-2. TROUBLESHOOTING - CONTINUED

a. ACCESSORY GEARBOX (AGB) AND

(8) ES-8. AGB GEAR TRAIN TURNS

HIGH PRESSURE COMPRESSOR -

UNEVENLY (BINDS) WHEN TURNED BY

CONTINUED

HAND, LOW PRESSURE COMPRESSOR

RUBS OR BINDS WHEN TURNED BY

HAND AND THERE ARE METAL CHIPS

IN THE OIL PUMP TO OIL COOLER

FLUID FILTER. - CONTINUED

FROM STEP 2

WARNING

Compressor blades are sharp and

can cut you. B e c a r e f u l n o t t o

pinch fingers between blades

and vanes when turning

compressor.

Turn low pressure compressor

blades (1) by hand and high

pressure compressor blades by

turning spline coupling (2).

Listen and feel for rubbing or

binding.

Do compressors turn smoothly with

no unusual noises?

YES

Go to step 8.

Check rotation of RGB assembly

(3) by putting splined shaft

(4) in RGB assembly and turning

shaft (4) clockwise. Shaft

should turn smoothly and no

unusual noises should by heard.

Does shaft turn smoothly with no

unusual noises?

CONTINUED ON NEXT PAGE

3-62

Change 5