TM 1-2840-252-23-2
4-67 INSTALL FIRST TURBINE DISC ASSEMBLY (AVIM) (Coinued)
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4-67
If following step brings dimensions within
limits, matchmark on compressor shaft shall
be relocated to align with first turbine disc.
Failure to comply will result in out of balance
condition of all gas producer parts.
17. Install disc assembly (1) rotated approximately
120 degrees Repeat steps 4 thru 13.
.
18. If first turbine disc (1) is rotated so matchmarks do not
align, erase old matchmark on compressor shaft.
Remark matchmark on compressor shaft to align with
matchmark on first turbine disc (1). Use marking
pencil (E38).
19. Rotate engine to vertical position.
20. Remove dial indicator and base (35) from support
(32).
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