TM 5-3810-295-34
(42) preformed packing (43) and flange (44).
(27) Remove studs (139) from cover (47).
(12) Remove rear housing cover cap screws (45)
15-17.
Cleaning, Inspection and Repair
and lock washers (46). Pull housing cover (47) from the
a. Clean all parts of the torque converter assembly
housing.
with cleaning solvent, Federal Specification P-D-680
(13) Remove dowel pin (481 bearing cup (49) and
or equivalent, and dry thoroughly.
packing (50) from cover (47). Remove cap screws (51),
b. Inspect bearings, cages and cups for wear, chip-
lock washers (52). cover (53) and gasket (54) from cover
ping or nicks. Replace defective or damaged bearings,
(47). Remove stud (55).
both cone and cup as a set.
(14) Remove nuts (56), lock washers (57), bearing
c. Inspect gears and shafts with magnetic inspec-
cap (58) oil seal (59) and shims (60). Using a split puller
tion. Inspect all gears for wear, pitting, chipping,
remove shaft (61) and bearing cone (62). Remove bear-
nicks, cracks, or scoring. Replace defective gears.
ing cup (63) and packing (64).
d. Inspect shafts and quills to make certain they are
(15) Remove output gear (65), spacer (66), bearing
not sprung, bent, or have twisted splines. Replace
cone (67) bearing cup (68), ring (69), baffle (70) and oil
defective shafts.
tube (71) from the rear cover.
e. Inspect housing, covers, and bearing caps and see
(16) Remove turbine shaft assembly (72) and
that mating surfaces, bearing bores, etc., are free from
remove bearing cone (73), gear (74), ring (75) and bear-
nicks or burrs. Check all parts carefully for evidence of
ing cone (76) from shaft. If required pull bearing cup
cracks or conditions which would cause subsequent oil
(77) from housing (140).
leaks or failures. Repair {r replace defective parts.
(17) Remove cap screws (78), lock washers (79)
f. Replace all spring loaded oil seals, preformed
and washers (80) from housing (140). Remove retaining
packing, metal sealing rings, gaskets and retaining
ring (81) and remove reaction member (82) and spacer
rings.
(83).
15-18.
Reassembly and Installation
(18) Remove retaining ring (84), and bearing (85)
a. Refer to figure 15-11 and reassemble the torque
from sleeve assembly. Remove hub and impeller assem-
converter assembly as follows:
bly from sleeve (92).
(1) Install sleeve (92) and secure with cap screws
(19) Remove gear (86), retaining ring (87) and
(91). Torque cap screws to 70-85 ft-lb (94.9--115.2
N m).
piston ring (88) from sleeve (92). Remove sleeve (89)
and ball (90) from sleeve (92). Remove cap screws (91)
(2) Place gear (112) in position in cover (47). In-
and remove sleeve (92) from housing (140).
stall pump shaft (121) and bearing (113) through rear
(20) Remove hub (93) from impeller and baffle
of cover (47) into gear (112), secure with retaining ring
assem-
(111). Install bearing (120), washer (119), and retain-
bly and remove packing (94). Remove roll pin (95)
ing ring (118).
from spacer (84).
(3) Apply a thin coat of No. 2 Permatex, or
(21) Remove cap screws (96), lock plate (97), baffle
equivalent, to outer diameter of oil seal (101) and press
(98), and packing (99) from impeller (100). Remove oil
into bore of baffle (98). Lip of seal must be upward. In-
seal (101) from baffle (100).
stall packing (94) and hub (93) secure with lock plate
(22) Remove cap screws (102) and washers (103)
(97) and cap screws (96).
and remove plate (104) and ring gear (105) from im-
(4) Install baffle (98) on hub and impeller assem-
peller (100). Remove studs (106) from ring gear (105).
bly. Install gear (86), retaining ring (87) and piston
(23) Remove retaining ring (107) and hub (108)
ring (88).
from turbine (109). Remove dowels (110) from hub
(5) Install impeller and baffle assembly into con-
(108) as necessary.
verter housing (140) over sleeve (92). Use caution not to
(24) Remove retaining ring (111), gear (112), and
damage baffle packing. Install bearing (85) and retain-
bearing (113) from drive shaft (121). Remove adapter
ing ring (84). Press roll pin (95) in reaction member (82)
(114) and gasket (115). Remove ring (116), washer
and press spacer (83) on roll pins. Install reaction mem-
(117). ring (118). washer (119) and bearing (120).
ber (82) on sleeve (92) and secure with retaining ring
Gently tap shaft (121) out of housing (47).
(81). Install washers (80), lock washers (79) and cap
(25) Remove cap screws (122) and remove cover
screws (78) to secure baffle and impeller assembly to
(123) and gasket (124) from housing (140). Remove
housing (140).
screws and washers (125) and remove cover (126) and
(6) Install l)all (90) and sleeve (89) in sleeve (92)
gasket (127) from housing (140). Remove vent plug
through housing, (47). Install bearing cup (77) into
(128) from cover (126).
housing (47). Install bearing cone (76), piston ring (75).
(26) Remove breather (129), bushing (130), check
and gear (74) on shaft (72).
valve (131), coupling (132) and nipple (133) from hous-
(7) Block converter housing (140) on pilot end and
ing (140). Remove pipe plugs (134, 135, 136, 137 and
138) from housing (140).
15-21
