TM 55-2840-254-23
4-66 INSTALL FIRST TURBINE DISC ASSEMBLY (AVIM) (Continued)
4-66
3. Install shim (9) over shaft (10). Position shim
(9) on compressor rotor hub (11).
4. Heat first turbine disc assembly hub (12) as fol-
lows:
a. Place first turbine disc assembly (1) on heat
resistant work surface.
b. Position bore heater (T30) (13) on hub (12).
c. Connect cable (14) of control unit (T55) (15)
to heater (T30) (13).
d. Connect control unit (T55) (15) to power
source.
e. Set timer (16) for three minutes.
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