TM 1-2840-252-23-2
4-57
INSTALL SECOND TURBINE DISC ASSEMBLY (AVIM) (Continued)
4-57
NOTE
The first turbine disc assembly, turbine spacer,
second turbine disc assembly, seal, three locking
plates, and six bolts are supplied as a balanced
matched set. If the second turbine disc assembly
is replaced, all other parts in the balanced,
matched set shall be replaced.
Use field
replacement first and second turbine disc
assembly, part number 2-121-480-19.
NOTE
If second turbine disc assembly is being replaced,
do all steps.
If same second turbine disc assembly that was
removed is being installed, omit steps 1 through 5.
1. Remove second turbine nozzle, spacer, case, and
2. Remove first turbine disc assemblyRef Task 4-63).
(
3. Place in service field replacement first and second
4. Install first turbine disc assemblyRef Task 4-67).
(
5. Install second turbine nozzle, spacer, case, and
6. Install GP spacer puller (1) onto second turbine disc
assembly (2) as follows:
a. Turn T-handle (3) counterclockwise all the way.
b. Install GP spacer puller (1) on second turbine disc
assembly (2).
c. Position two puller halves (4), detail of GP spacer
puller (T48) around flange (5) of second turbine
disc assembly (2). Make sure lip (6) of puller
halves (4) engages flange (5) of second turbine
disc assembly (2). Secure with two 1.00 inch long
socket head cap screws (7).
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