*C2
PAR 151-153
R E A R H O U S I N G R E B U I LD
C H A P 5, SEC X V I II
d . P o s i t i o n o i l s e p a r a t o r p l a t e a s s e m b ly
36 on pump drive shaft 40 and retain it with
two retaining rings 35 and 39.
e . I n s e r t k e y 3 4 i n i t s g r o o v e o n d r i ve
shaft 40, at the end opposite the splined end.
Install drive gear 33.
f . Place pump cover assembly 28 on the
assembly table, inside up, and install the as-
sembled shaft, plate assembly and gear in the
c o v e r .
g . Install the remaining separator plate
assembly 23 on idler gear shaft 22 and retain
it with two retaining rings 35 and 39.
h . Position the idler gear 26 over there-
maining bearing bore in the cover and install
the assembled idler gear shaft and plate as-
s e m b l y .
i . Install the remaining idler gear 21 on
shaft 22, and drive gear 43 and key 41 on the
drive shaft 40.
j . I n s t a l l p u m p c o v e r a s s e m b l y 4 4 on
p u m p b o d y 3 2 , i n d e x i n g d o w e l p i n s 4 6 w i th
their holes.
k . Install the assembled cover assembly
44 and body 32 over shafts, gears and sepa-
r a t o r p l a t e s o n t o c o v e r a s s e m b l y 2 8 . I n s t a ll
seven bolts 27 and 52 to retain each cover as-
s e m b l y . T o r q u e t h e m t o 1 7 - 2 0 p o u n d - f e e t .
l . I n s t a l l b r a k e c o o l a n t o i l p u m p d r i ve
gear 49 on the splined end of pump drive shaft
40. Install lock pin 42 through the gear and
bend the ends of the pin to lock it.
n . A s s e m b l e b o t h s e t s o f b r a k e c o o l a nt
oil check valve components 64 through 68 on
brake coolant pump manifold 56.
o . Install pump assembly 20 and gasket
54 on manifold 56 and secure with three 3/8-
16 bolts 60 with lock washers 59 and three
3 / 8 - 1 6 s e l f - l o c k i n g b o l t s 5 3 . T o r q u e t h e c ap
s c r e w s 6 0 t o 2 6 - 3 2 p o u n d - f e e t . T o r q u e t i ne
self-locking bolts 53 to 36-43 pound-feet.
Section XVIII.
R E A R H O U S I N G A S S E M B L Y — R E B U I LD
1 5 2 . D E S C R I P T I ON
Refer to pars. 17 and 18 for the descrip-
tion of the rear housing components.
1 5 3 . D I S A S S E M B L Y ( f i g s . 3 7 7 , 3 7 8 , 3 7 9,
380, fold-outs 6, 7, 8, 9)
a . U s i n g a 9 / 1 6 - i n c h w r e n c h , r e m o v e
two
self-locking
bolts
that
retain
brake
air
v a l v e a s s e m b l y ( f i g . 1 7 5 ) . R e m o v e t h e v a l ve
a s s e m b l y.
b . Remove the retaining ring on the air
valve assembly (fig. 175 ).
c . R e m o v e t h e p i n , a n d d i s a s s e m b l e t he
air valve assembly (fig. 175).
d . Using a 9/16-inch wrench, remove 12
cap screws and lock washers retaining brake
i n s p e c t i o n c o v e r s.
R e m o v e t h e t w o c o v e rs
with gaskets (fig. 175).
e . Remove the retaining ring that retains
brake coolant pump idler gear and bearing on
the idler gear shaft (fig. 176). Remove gear
and bearing.
f . Remove the retaining ring that retains
t h e b e a r i n g i n t h e b r a k e c o o l a n t i d l e r g e ar
(fig. 176). Remove the bearing from the gear.
1
2
9
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