LOW PRESSURE COMPRESSOR RUBS OR BINDS WHEN TURNED BY HAND, 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

( 1 0 ) E S - 3 7 . LOW PRESSURE COMPRESSOR

h. LOW PRESSURE COMPRESSOR -

RUBS OR BINDS WHEN TURNED BY

CONTINUED

BAND, RUBBING OR BINDING IS

FELT WHEN TUBEAXIAL FAN BLADES

OR LEFT COOLING FAN BLADES ARE

TURNED BY HAND AND MORE THAN

ONE HALF OF ACCESSORY GEARBOX

(AGB) AND MAIN OIL PUMP

MAGNETIC PLUGS ARE COVERED WITH

METAL CHIPS. - CONTINUED

Supplies:

Tools:

Wiping rag

(Item

14,

General mechanic's tool kit:

automotive (SC 5180-90-N26)

References:

TM 20-1

TM 34-1

A. Remove forward engine

WARNING

Compressor blades are sharp and

can cut you. Be careful not to

pinch fingers between blades

and vanes when turning

compressor.

B. Turn low pressure compressor

blades (1) by hand. Listen

and feel for rubbing or

binding.

Does low pressure compressor turn

smoothly with no unusual noises?

CONTINUED ON NEXT PAGE

3-295

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