TRUCK SERVICE MANUAL
TRANSMISSION
HT 700D SERIES TRANSMISSIONS
Para 6-30/6-32
NOTE
b. Assembly ( A foldout 13)
Pins must be a tight, to moderately tight,
press fit (when parts are at normal
NOTE
temperatures).
To facilitate assembly, it is permissible
to freeze pinion pin 17 or heat carrier 18
(5) Install the remaining pinion groups and pins in
before pinion pin installation.
the manner described above.
(1) Install two bearings 21 into the bore of each
(6) Support each pinion pin on a 1/2inch (12. 7 mm)
pinion 20. Place a steel thrust washer 22 (first) and a
(approx.) anvil. Using a suitable punch, swage
bronze thrust washer 19 (second) onto each face of
the pins firmly against the carrier to form the
pinions 20.
pattern shown in figure 6-68. Pinions must
rotate freely after swaging.
(2) Position carrier 18 in a press, and place a pinion
group (as assembled in (1), above) into the carrier. Align
6-31. CENTER PLANETARY CARRIER ASSEMBLY
the parts of the pinion group with the pinion pin holes in
the carrier.
NOTE
Refer to paragraph 6-26 for removal
(3) Install pinion pin 17 and press it through the
from gear unit.
Disassemble the
carrier and pinion group to the dimension shown in figure
planetary assembly only if there is
6-69.
evidence of undue wear or damage.
Failure
of
one
pinion
requires
NOTE
replacement of the entire set because
Pins must be a tight, to moderately tight,
the pinions are selectively matched.
press fit (when parts a r e at normal
temperatures).
a. Disassembly (A foldout 13)
(4) Install the remaining pinion groups and pins in
(1) Using a31/32-inch drill, centered accurately, drill
the manner described above.
into one end of each pinion pin 17 until the swaged end
is sufficiently weakened.
(5) Support each pinion pin on an 0.812-inch (20.62
mm) (approx.) anvil. Using a suitable punch, swage the
CAUTION
pin firmly against the carrier to form the pattern shown in
Do not drill into metal of carrier 18.
figure 6-69. After swaging, each pinion must rotate
freely.
(2) Place carrier assembly 16 in a press, and press
four pins 17 from carrier 18, shearing the drilled ends of
pins 17.
(3) Remove as a unit, each of the four pinion groups
consisting of pinions 20, thrust washers 19 and 22, and
needle roller bearings 21. Remove bearings from pinion
bores.
NOTE
Refer to paragraph 6-2, above.
769
