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 TM 55-1905-223-24-5
NOTE
On friction clutch units which have been disassembled,
steps (1) through (9) of the Assembly Procedures must be
accomplished in order to reach a starting point for
bearing adjustment.
For field adjustment of bearing only
to step c of this procedure.
DISASSEMBLY.
(Refer to FIGURE 4-25 for reference numbers.)
a.
Support the clutch housing (32) on a work bench with wooden blocks. Have the clutch end facing
upward.
b.
Use a standard bearing puller, and remove the pilot bearing (2) from the clutch shaft (54).
c.
Remove the jam nut (34) and lockwasher (35) from the hose fitting (25) located in the clutch housing
(18). Push fitting (25) and hose (21) into the clutch housing (32).
d.
Straighten the bent portion of the hub nut lockwasher (4) from the hub nut (3). Remove the hub nut (3)
and the lockwasher (4) from the clutch shaft (54).
e.
Use a conventional gear puller with threaded legs for 5/8-11 tapped holes to pull the clutch assembly
(9) from the clutch shaft (54). Install the puller so the threaded legs screw into the holes provided in the
hub and back plate (5) and the jack screw exerts force on the end of the clutch shaft (54). Remove the
shaft key (23). Remove the puller and the clutch assembly (9) from the clutch shaft (54).
f.
Set the clutch assembly (9) on a bench with the sliding sleeve assembly (16) end facing upward.
Remove the hydraulic (grease) fitting (33) from the hose fitting (25). Remove the hose (21) from the
hydraulic (grease) fitting (20). Remove the hydraulic (grease) fitting (20) from the split collar assembly
(36).
g.
Straighten and remove the four cotter pins (12) from the headed pins (10). Remove the four headed
pins (10) from the levers (13) and the floating plate (43). Remove the two spring washers (11) at each
lever location, and remove the levers (13), sliding sleeve (16), and collar (36) groups from the floating
plate (43) and adjusting ring (40) as an assembly.
h.
Straighten and remove the eight cotter pins (51) from the headed pins (39). Remove the headed pins
(39), lever links (14), and levers (13), and the collar halves (36) from the sliding sleeve (16). Remove
screws (19) and nuts (37) to separate collar halves (36) and to remove shims (17).
i.
Depress the adjusting lock pin (41) with a screwdriver, and unscrew the adjusting ring (40), removing it
from the hub of the back plate (5). Remove the adjusting ring lock pin and spring (42) from the floating
plate (43).
4-52
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