ocr: - Job. Instruction Card JT9D-7R4D COUPLING # &l BRG UNIT, ASSY REV, 11/11/91 NT502.0 ORDER NO. ENGINE NO. JOB NO. 1 NOTE - REFER TO CHAPTER EM 72-36-00 2 M 1. RECORD S/N OF TURBINE COUPLING SHAFT. S/N M 2. INSTALL FRONT COMPRESSOR TIERODS (HEAD TO REAR) AND RETAINING RINGS. SQUEELE RETAINING RINGS TO SECURE 5 TIERODS. - M 3. POSITION RETAINING NUT ON THREAD AND RUN DOWN BY HAND 7 TO CHECK FOR PROPER ONGAGEMENT. 8 M 4. MEASURE REAR END OF COUPLING AS DIM. C AND RECORD. 9 DIMENSION C 10 M 5. MEASURE, RECORD, AND ADD AXIAL THICKNESS OF EACH OF 11 THE FOLLOWING ITEMS: 12 BEARING SEAL DIM P 13 FRON ...
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