TM 1-2840-252-23-2
4-62
INSTALL SECOND TURBINE NOZZLE, SPACER, CASE, AND BUMPER
4-62
(AVIM)
Check axial clearancebetween first turbine disc
13.
assembly (4) and second turbine nozzle (10). Use
053 inch bent wire gage (Appendix E) (15) inserted
0.
through second turbine nozzle vanes (12).
INSPECT
14.
If axial clearance is acceptable, omit step 15.
If axial clearance is not within limits, do all steps.
15.
If axial clearance cannot be obtained, recheck first
turbine disc assembly installation procedure as
follows:
a.
Remove second turbine nozzle (Ref. Task 4-58).
b.
Remove first turbine disc assembly (Ref. Task 4-
c.
Install first turbine disc assembly (Ref. Task 4-67).
Maintain as close to minimum clearance of 0.150
inch
as possible between first turbine disc assembly and
first turbine nozzle.
d.
Repeat steps 4 thru 13.
e.
If axial clearance still cannot be met, replace parts
as
necessary.
16.
Lockwire 24 bolts (3) Use lockwire (E32).
INSPECT
FOLLOW-ON MAINTENANCE
Install Second Turbine Disc Assembly (Task 4-57).
Install Combustion Section and Power Turbine (Task 3-
Service Engine Oil System (Task 1-68).
END OF TASK
4-360
