tical wear of a gear since production
11. Install the torque converter access
backlash tolerances are of such nature
cover.
that a gear usually pits, scuffs, scores
12. Lubricate the clutch bearing.
See
or galls long before the gear wears suffi-
ciently
that
such
wear
could
be
the Operators Manual.
determined by backlash measurements.
SPLINES. Unless severe, spline wear is
W e a r Limits Data
not considered detrimental except where
GENERAL. The wear limits shown in
it affects tightness of an assembly such
as drive line flanges. Here again, back-
Table 4C-4 on page 4C-32 lists the maxi-
lash cannot be used to establish critical
mum variations from the original dimen-
sions a t w h i c h t h e c o n v e r t e r c a n b e
wear of splines since both parts (male
expected to function satisfactorily. It is
and female) must be centrally located in
possible that in individual cases parts
r e s p e c t to each other in order to obtain a
may give satisfactory service beyond the
correct measurement.
limits specified. The table is based on
field service experience and is intended
OIL SEALS. Seals should be replaced if
only as a guide to parts replacement.
there are signs of excessive hardening,
scoring or other indications of deteri-
Use this table in conjunction with "Clean-
oration.
ing and Inspection" on page 4C-10.
BEARINGS, JOURNALS AND BORES.
SPRINGS. Springs should be replaced if
The application of bearings to any prod-
they show signs of overheating, perma-
uct is based on the recommendations of
nent set (see individual part wear limits
the
bearing
manufacturer
and,
for load versus height dimensions) or
wear due to rubbing adjacent parts.
therefore, no diametral dimensional devi-
ation should be permitted on the bear-
ings or mating pieces. Bearing should
PISTON TYPE SEAL RINGS. Sides of
be carefully checked for signs of dis-
the seal ring should be smooth; maximum
side wear 0.005 inch (0.127 mm).
tress before reinstalling in the. torque
The
converter.
sides of the shaft groove in which the
seal ring runs should be smooth (50 mi-
GEARS. Gears should be inspected for
croinch), and square with the axis of ro-
load patterns and signs of distress. Any
tation within 0.002 inch (0.051 Nm). A
distress indicates a possible future fail-
new seal ring should be installed if shaft
ure and the re-using of such gears
grooves are reworked, or seal ring out-
side diameter wear causes the possibility
should be the decision of the individual
of the gap closing between the seal ring
customer based on previous experience.
hooks when the ring is installed.
Backlash cannot be used to establish cri-
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