TM-9-2520-234-35

POWER TRAIN ASSEMBLY; ALLISON MODEL XTG411-2A

TECHNICAL MANUAL; FIELD AND DEPOT MAINTENANCE MANUAL

JULY 1962
TM-9-2520-234-35

  TM-9-2520-234-35 - Page 171 of 323

*C2
*C2
PAR
156-158
LEFT,
RIGHT
STEER
PLANETARIES
REBUILD
CHAP
5,
SEC
XI X
am . Install springs and washers and se-
cure with pins (fig. 200). Bend the ends of the
pins to retain them.
an . Install retaining rings, brake ai r
valve plates and springs on brake air valve
bracket as shown (fig. 201).
ao . Install right- and left-air valve plate
assemblies with bracket and secure with two
3/8-16
self-locking
bolts.
Torque
bolts
to
36-43 pound-feet.
Section
157. DESCRIPTIO N
ap . Install the brake coolant pump idler
gear shaft and secure with one 3/8-16 x 3-1/4
bolt (fig. 176). Torque the bolt to 26-3 2
pound-feet.
aq . Install the bearing in the brake pump
idler gear and secure with the snap ring (fig.
176).
ar . Install the idler gear with the bearing
onto the shaft and secure it with the snap ring
(fig. 176).
XIX. LEFT- AND RIGHT-STEER PLANETARIES—REBUIL D
e . Remove the retaining ring from th e
ring gear assembly (fig. 203).
Refer to par. 16 for the description of the
left- and right-steer planetaries.
158. DISASSEMBLY (figs, 378 and 380,
fold-outs 7 and 9)
Note . All related items not covered
in a through i , below, were removed
from the transmission as outlined in
par. 75, steps 27 through 30 and 40
through 54. No further disassembly
of those parts is required. The left-
and right- steer planetary assemblies
are identical; therefore, the follow-
ing disassembly steps apply to both
assemblies .
a . Remove the retaining ring that retains
the steer planetary shaft and carrier assembly
in the brake hub (fig. 202).
b . Remove the steer planetary shaft and
carrier assembly (fig. 202).
c . Remove the steer planetary ring gear
from the brake hub (fig. 203).
d . Remove the thrust washer from the
ring gear assembly (fig. 203).
f . Press or drive the bearing out of the
brake hub (fig. 203).
Figure 202. Removing (or installing) steer planetary
carrier and shaft retaining ring
13 9


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