TM-9-2520-254-34
TRANSMISSION, AUTOMATIC, ALLISON, MODEL TX100-1
TECHNICAL MAUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1971
TM-9-2520-254-34 - Page 77 of 126
Figure 5-66.
Section V. OVERHAUL (REBUILD) OF HIGH-RANGE CLUTCH
ASSEMBLY AND CONVERTER TURBINE SHAFT
5-17. Description
Refer to paragraph 2-2 for high-range clutch
description and to paragraph 2-10 for converter
turbine shaft description.
5-18. Disassembly
(fig. 5-62)
NOTE
All related items not covered in
a
and
b
below were removed from the transmission
as outlined in paragraph 5-6, steps 33
through 35 (fig. 5-33 through 5-35). No
further disassembly of those parts is
required.
a. Converter Turbine Shaft
(fig. 5-62).
(1) Remove snap ring (fig. 5-66) from con-
verter shaft.
(2) Remove low-range sun gear and in-
termediate-range sun gear from converter shaft.
(3) Remove converter shaft from high-range
clutch assembly.
(4) Remove retainer snap ring (12) and two
hook-type seal rings (11) from converter turbine
shaft assembly (8).
b. High-Range Clutch Assembly
(fig. 5-62).
(1) Remove snap ring (fig. 5-67) from high-
range clutch housing assembly.
(2) Remove reaction plate and four internal-
splined and three external-tanged clutch plates.
(3) Using sleeve, part of kit 5180-572-8607,
and a press, remove snap ring from high-range
clutch housing hub (fig. 5-68).
(4) Remove return spring retainer (30) and
springs (28 and 29) from housing (22).
(5) Remove high-range clutch piston assembly
(2) from housing by tapping housing with a soft
hammer.
(6) Remove Teflon seal ring (25) and seal ring
expander (26) from piston (27)
(7) Remove hook-type seal ring (24) from
housing.
(8) Remove bushing (23) from housing only if
replacement is necessary.
WARNING
Do not dispose of Teflon seals by burning;
toxic gases are produced.
5-19. Cleaning
Refer to paragraph 5-2 for cleaning recom-
mendations.
5-20. Inspection and Repair
(fig. 5-62)
Refer to paragraph 5-3 for general inspection and
repair recommendations. Also make certain that oil
passages and orifice plug (10) are open and clean in
converter turbine shaft (9). Inspect piston (27) to
make certain that the two balls in clutch piston are
free and that staking is satisfactory. Repair and
overhaul (rebuild) points of measurement for fits,
clearances, and wear limits are indicated by small
letters in figure 5-62. Refer to paragraph 6-3 and
table 6-3 for wear limits information.
5-21. Assembly
(fig. 5-62)
NOTE
All items not covered in
a
and
b
below are
installed as outlined in paragraph 5-58,
step 24 (fig. 5-106). No overhaul (rebuild)
of
such
components
is
required or
recommended.
a. High-Range Clutch Assembly
(fig. 5-62).
(1) If bushing (23) was removed, install new
bushing using replacer 5120-572-8658 and handle
5120-316-9182 (fig. 5-69).
5-27
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