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

9-2835-255-34

CONTINUED

3 - 2 . TROUBLESHOOTING

LOW PRESSURE COMPRESSOR

(7) ES-34.

h. IOW PRESSURE COMPRESSOR

RUBS OR BINDS WHEN TURNED BY

CONTINUED

H A N D , RUBBING OR BINDING IS FELT

W H E N TUBEAXIAL FAN BLADES OR

L E F T COOLING FAN BLADES ARE

TURNED BY HAND AND MORE THEN ONE

H A L F OF MAIN OIL PUMP MAGNETIC

P L U G IS COVERED WITH METAL

C H I P S . - CONTINUED

FROM STEP 1

A. Remove forward engine

CAUTION

Extreme care should be taken

when handling low pressure

turbine rotor shaft (1).

Banging, jarring or rough

handling will cause damage to

No. 5 bearing carbon seal.

Lift end (2) of shaft (1)

slightly to center shaft

(1),

then push shaft (1) in

to establish clearance

between power turbine disc

(3) and nozzle (4) and to

load No. 5 bearing (5).

C. Turn shaft (1), listen and

feel for rubbing or binding.

Does shaft turn

smoothlY

with

unusual noises?

CONTINUED ON NEXT PAGE

3-273

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