LOW PRESSURE COMPRESSOR RUBS OR 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

h. LOW PRESSURE COMPRESSOR -

(2)

ES-29. LOW PRESSURE COMPRESSOR

CONTINUED

RUBS OR 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

A. Salvage Gas Turbine Power

B. Replace number 10 bearing

C. Replace engine oil pump

(TM 20-1).

D. Verify problem is solved.

A. Replace engine assembly

(TM 34-1).

B. Verify problem is solved.

WARNING

Compressor blades are sharp and

can cut you. Be careful not to

pinch fingers between blades

and vanes when turning

compressor.

Turn low pressure compressor

blades (1) by hand and high

pressure compressor blades by

turning splined coupling (2) in both

directions. Listen and feel for

rubbing or binding.

Do compressors turn smoothly with

no unusual noises?

CONTINUED ON NEXT PAGE

3-232

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