LOW PRESSURE COMPRESSOR RUBS OR BINDS WHEN TURNED BY HAND AND MORE THAN ONE HALF OF THE ACCESSORY GEARBOX (AGB) MAGNETIC PLUG IS COVERED WITH METAL CHIPS-continued

TM 9-2835-255-34

3-2. TROUBLESHOOTING - CONTINUED

(3)

ES-30. LOW PRESSURE COMPRESSOR

h. LOW PRESSURE COMPRESSOR -

RUBS OR BINDS WHEN TURNED BY

CONTINUED

HAND AND MORE THAN ONE HALF OF

THE ACCESSORY GEARBOX (AGB)

MAGNETIC PLUG IS COVERED WITH

METAL CHIPS. - CONTINUED

Salvage Gas Turbine Power

(TM 20-1).

Replace engine oil cooler

(TM 20-1).

Replace engine AC

generator (TM 20-1).

Clean cooler and generator

lines (TM 20-1).

Verify problem is solved.

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.

A. 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).

B. Turn shaft (1), listen and feel

for rubbing or binding.

Does shaft turn smoothly with no

unusual noises?

CONTINUED ON NEXT PAGE

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