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

(2) ES-29. LOW PRESSURE COMPRESSOR

LOW PRESSURE COMPRESSOR -

RUBS OR 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

CONTINUED FROM STEP 2

Check rotation of RGB assembly

(1) by putting splined shaft

(2) in RGB assembly and turning

shaft (2) clockwise. Shaft

should turn smoothly and no

unusual noises should be heard.

Does shaft turn smoothly with no

unusual noises?

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 (3) by hand. Listen and

feel for rubbing or binding.

Does low pressure compressor turn

smoothly with no unusual noises?

CONTINUED ON NEXT PAGE

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