TM-9-2320-283-34-2
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, MQ15A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1983
TM-9-2320-283-34-2 - Page 168 of 570
TM 9-2320-283-34-2
REAR TANDEM AXLES.
3-76. REAR-REAR AXLE CARRIER REPAIR (Continued).
LOCATION/ITEM
ACTION
REMARKS
55. Gear (33).
Coat nine teeth on item (33)
This represents the
with marking compound.
total number of teeth
on item (32).
56. Used ring gear and Used item (31) tooth contact
drive pinion (31).
Roll item (33) to obtain
should show the following:
a contact pattern. Refer
to illustration for item
(33) tooth nomenclature
and correct tooth
patterns.
a. Used item (31) will have
a pocket at the toe-end
of the gear tooth which
tails into a contact line
along the root of tooth.
b. A correct pattern is
The length and shape of
clear of the toe and
the pattern are con-
centers evenly along the
sidered acceptable as
face width between the
long as it does not run
top land and root.
off the tooth at any
point.
57. New ring gear and
drive pinion (31).
New item (31) tooth contact
Roll item (33) to obtain
should show the following:
a contact pattern. Refer
to illustration for item
(33) tooth nomenclature
and correct tooth
patterns.
a. The pattern is well
centered on the tooth of
item (33) with lengthwise
contact clear of the toe.
b. The length of the pattern
in an unloaded condition
is approximately one-half
to two-thirds of tooth of
item (33).
3-724
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