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Page Title: Section II. DISASSEMBLY OF TRANSMISSION INTO SUBASSEMBLIES
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NOTE
(2) Inspect ball seats for wear and pitting.
Some expanders may require additional
Reseat by lapping with the proper size ball. On
bending to cause them to point toward the
seats where a nylon ball is used, a steel ball of the
bottom of the groove.
same size may be used for lapping. Discard parts in
(2) While holding expander in groove, start
which the seats cannot be restored.
seal ring into groove at a point diametrically op-
n. Spool-Type Valves.
posite expander ends. No lubrication is necessary
(1) Inspect valves for wear, burs, scoring, and
for installation.
evidence of sticking. Try valves in their bores. All
(3) Install seal by hand. Tools or instruments
valves should move in their bores by their weight
might damage seal. Do not stretch seal any more
alone. Do not force valves.
than is necessary for installation.
(2) Inspect edges of all valve lands. All edges
(4) Center piston in piston bore when in-
should be square and sharp. Do not destroy these
stalling it, to prevent seal damage. Be extremely
sharp edges in cleaning or repair operations. These
careful to avoid scratching, nicking, or distorting a
sharp edges help prevent the accumulation of
Teflon seal.
substances which might cause the valve to stick in
WARNING
its bore.
Do not destroy discarded Teflon seals by
(3) Remove burs with a soft honing stone.
burning; toxic gases are produced.
Reclean valves if necessary to remove gum and dirt.
Discard all valves which have other defects.
5-4. Repair and Overhaul and (Rebuild)
o. Sheet Metal Parts.
Standards
(1) Inspect sheet metal parts for bends, cracks,
a. Clearances  a n d Wear Limits. Refer to
distortion, interference with adjacent parts, and
paragraph 6-2 and 6-3 for data covering the sizes
loose-welded points.
and fits of new parts and wear limits information.
(2) Straighten bent parts. Weld cracks or loose
b. Torque Specifications. Refer to table 6-1 for
welds.
general torque specifications for bolts, screws, and
(3) Discard governor oil collector rings if any
nuts. Special torque specifications are given in the
damage is evident.
text where applicable.
p. Installation of Teflon Seals and Expanders.
c. Spring Specifications. Refer to table 6-2 for
(1) Install expander into seal ring groove so
spring specifications.
that its ends bend toward bottom of groove.
Section II. DISASSEMBLY OF TRANSMISSION INTO SUBASSEMBLIES
5-5 General
a. Pictorial Steps. This section is arranged in
consecutive pictorial steps, completely illustrating
the disassembly of the transmission. Directly
beneath each picture are simple disassembly in-
structions, keyed to the picture.
b. Transmission Component Groups. See ap-
propriate exploded view of major component
groups  for parts  identification and assembly
sequence.
5-6. Disassembly Steps
Drain oil from transmission, if it was not drained
before transmission was removed from vehicle.
Refer to end item lubrication order to draining
procedures. See figure 5-1 through 5-52 for
disassembly steps.
NOTE
Refer to end item organizational manual
for instructions on removing the trans-
mission from the vehicle and separating
Figure 5-1 (Step 1).
the transmission from the power pack.
Attach lifting sling 4910-572-8614 (8356184) (A)
to transmission, using four 3/8-16 x 1 bolts and plain
washers (B).

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