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 - Page 78 of 323
Figure 21
CHAP
2,
SEC
V
TORQUE PATH S
PAR
4 5
Figure 21. Output drive torque path
45.
TORQUE
PATH
-
OUTPUT
DRIVES
(fig. 21)
a . Figure 21 is a cutaway view of the
left-output
drive (mounts at right side of power
train). The construction of the right assembly
is identical except for length; operation is
identical.
b . Torque is transmitted from the main
transmission section output to the output drive
assembly by the output drive sun gear shaft.
The integral sun gear imparts torque to the
planetary pinions which are mounted in a sta-
tionary carrier. In turn, the pinions transmit
torque to the ring gear. The ring gear, splined
to the output shaft, transmits torque to the
output shaft.
c . Arrows indicating the direction of ro-
tation illustrate conditions when the power
train is operating in a forward gear. In a re-
verse gear, all rotations would reverse. Note
that the output drive output rotation is opposite
that of the output drive input because the re-
action member (stationary member) is the
planetary carrier.
4 8
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