T M 9 - 2 3 5 0 - 2 3 8 - 3 4 -1
2 - 4 2 . M A I N T E N A N C E O F A U X I L I A R Y D R I V E A S S E M B L Y ( G E N E R A T O R
D R I V E ) ( C O N T ) .
R E A S S E M B L Y
( C O N T)
1
5
1
6
1
7
1
8
1
9
Install two new bearing carrier shims (20)
t o g e n e r a t o r d r i v e m e c h a n i c a l h o u s i n g ( 2 ).
Install drive gear bearing housing (17) to
g e n e r a t o r d r i v e m e c h a n i c a l h o u s i n g.
E n s u r e b e a r i n g c u p s e a t s p r o p e r l y o v er
t a p e r e d r o l l e r b e a r i n g.
S e c u r e d r i v e g e a r b e a r i n g h o u s i n g ( 1 7)
w i t h t h r e e e v e n l y - s p a c e d h e x a g o n h e ad
c a p s c r e w s ( 2 1 ) t i g h t e n e d t o e n s u r e d r i ve
g e a r b e a r i n g h o u s i n g s e a t s c o m p l e t e l y in
g e n e r a t o r d r i v e m e c h a n i c a l h o u s i n g ( 2 ).
Ensure that torque required to rotate gear
set shouldered shaft (13) is 5.0 to 15.0
i n . - l b ( 0 . 6 t o 1 . 7 N - m ) . R e m o v e s h i ms
from either bearing housing to reach
r e q u i r e d
t o r q u e .
W h e n t o r q u e i s r e a c h e d , r e m o v e o ne
bearing housing, add 0.002 in. (0.005 cm)
s h i m , a n d r e i n s t a l l b e a r i n g h o u s i n g.
N O T E
J a c k i n g s c r e w s m a y b e r e q u i r e d to
r e m o v e d r i v e g e a r b e a r i n g h o u s i n g.
R e m o v e t h r e e h e x a g o n h e a d c a p s c r e ws
(21), drive gear bearing housing (17), and
b e a r i n g c a r r i e r s h i m s ( 1 8 ) . M a r k b e a r i ng
carrier shims for reinstallation.
2 - 1 2 6