TM 55-2835-208-23
2-21 INSPECT TURBINE WHEEL
2-21
INITIAL SETUP
M a t e r i a l s:
Applicable Configurations:
A ll
None
Personnel Required:
Tools:
68B Powerplant Inspector
Wire Gage Set (T5)
Equipment Condition:
M a t e r i a l s:
Remove Combustor Section (Task 2-13)
None
1.
I n s p e c t t u r b i n e w h e e l ( 1 ) f o r
c r a c k s a n d b r o k e n v a n e s . If
found,
APU
r e q u i r es
depot
r e p a i r .
2.
I n s p e c t f o r m a r k s
i n d i c a t i n g
turbine wheel has been rubbing
o n t u r b i n e n o z z l e ( 2 ).
Rotate
t u r b i n e w h e e l a n d l i s t e n f o r
rubbing sound.
If found, APU
requires depot repair .
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