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

h. LOW PRESSURE COMPRESSOR -

(6)

ES-33. LOW PRESSURE COMPRESSOR

RUBS OR BINDS WHEN TURNED BY

CONTINUED

HAND, 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)

MAGNETIC PLUG IS COVERED WITH

METAL CHIPS. - CONTINUED

A. Salvage Gas Turbine Power

B. Replace forward engine

C. Clean AGB (page 7-46).

D. Replace engine oil pump

(TM 20-1).

E. Replace engine oil cooler

(TM 20-1).

F. Replace engine AC

generator (TM 20-1).

G. Clean cooler and generator

lines (TM 20-1).

H. Verify problem is solved.

FROM STEP 5

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?

CONTINUED ON NEXT PAGE

Change 6

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