INSTALL PLAIN ROUND NUT - TM-9-2835-255-340478

TM 9-2835-255-34

NO. 2 AND 3 BEARING SEAL/PACKING RETAINER REPLACEMENT (INCLUDING INTERSHAFT SEAL)

(Sheet 32 of 49)

9. USING DEPTH GAGE MICROMETER (1) CHECK

DISTANCE FROM END OF AXIAL COMPRESSOR

ROTOR (2) TO OUTER RIM OF LOCKING CUP (3) IS

0.760 INCH (19.364 MM) MINIMUM. IF MINIMUM

DISTANCE IS NOT ACHIEVED, REMOVE LOCKING

CUP (3). INSPECT, CLEAN AND RESEAT LOCKING

CUP (3). AFTER THREE Al-TEMPTS, REPLACE

FORWARD ENGINE MODULE (Page 5-13).

10. INSTALL PLAIN ROUND NUT (4) ONTO AXIAL

COMPRESSOR ROTOR (2). TIGHTEN NUT (4) BE-

TWEEN 170-180 LB-FT (230-244 N.M) TORQUE.

Lubricate plain round nut (4) with dry molykote

"z" mixed with a small amount of lubricating

oil. Install plain round nut (4) onto rotor shaft

(2) and hand tighten with spanner wrench (6).

Using torquing fixture (5) and spanner wrench

(6), tighten plain round nut (4) between

170-180 lb-ft (230-244 N.m) torque. Wait

five minutes and retorque.

LE5578

Go on to Sheet 33

Change 6

5-106