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Page Title:
LOW PRESSURE COMPRESSOR RUBS OR BINDS WHEN TURNED BY AND AND MORE THAN ONE HALF OF MAIN OIL PUMP MAGNETIC PLUG IS COVERED WIT... |
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 TM 9-2835-255-34
3-2. TROUBLESHOOTING - CONTINUED
(4)
ES-31. LOW PRESSURE COMPRESSOR
h. LOW PRESSURE COMPRESSOR -
RUBS OR BINDS WHEN TURNED BY
CONTINUED
HAND AND MORE THAN ONE HALF OF
MAIN OIL PUMP MAGNETIC PLUG IS
COVERED WITH METAL CHIPS. -
CONTINUED
CONTINUED FROM STEP 1
A. Remove forward engine
module (page 5-13).
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 and high
pressure compressor blades
by turning splined coupling (2)
in both directions. Listen and
feel for rubbing or binding.
Do compressors turn smoothly with
no unusual noises?
A. Salvage Gas Turbine Power
Unit (pa e 6-63).
B. Clean RGB lubrication
system (page 8-1).
C. Replace number 10 bearing
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.
CONTINUED ON NEXT PAGE
3-243
Change 6
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