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 TM 55-1905-223-24-5
ad.
Set clutch housing (23, FIGURE 3-60, Sheet 1) on workbench. Raise and support housing with wooden
blocks about five inches from the bench, so the OUTPUT END of the housing faces upward.
ae.
Install clutch shaft (35) with attached parts into cloth housing (23). Secure bearing carrier (18) to
housing with six hex head capscrews (19) and lock washers (20). Tighten capscrews to 85 ft-lbs
af.
On clutch assembly (5) sitting on bench, install nonmetallic hose assembly (6) nonmetallic hose (7) on
tube elbow in split collar (59, sheet 2).
ag.
Set clutch housing (23, sheet 1) with attached parts on bench with INPUT END facing up and supported
with wooden blocks.
ah.
Pick up and lower clutch assembly (5) over clutch shaft (35) and into clutch housing, engaging the
trunnions on split collar (59, Sheet 2) with throwout yoke (24, Sheet 1).
ai.
Align shaft (35) keyway with the keyway in hub and back plate (38, Sheet 2). Install key (36, Sheet 1)
in shaft (35).
aj.
Install hub nut lock washer (4) onto clutch shaft (35), indexing its lower tab in the spot drilling provided
on the hub and back plate (38, Sheet 2).
ak.
Install hub nut (2, Sheet 1) on shaft (35). Tighten nut to 30 ft-lb torque to seat washer tapers and
remove any clearance, then tighten nut an additional 150 - 180 rotation. Bend the lock washer (4)
against a flat on the hub nut (3).
al.
Route nonmetallic hose assembly (6) free of moving parts and push tube elbow (9) through hole in
housing (23) at point (22). Install lock washer (12) and hex nut (15) to retain.
am.
Solidly support the shaft OUTPUT END with a block of wood, and install pilot annular bearing (2) as
follows:
(1)
Apply force to inner race of bearing by tapping with mallet and force the bearing down onto
shaft.
CAUTION
Do not press bearing completely onto shaft.
(2)
Leave a distance of 0.12 inch between front face of bearing (1, FIGURE 3-63) inner race and
the end of clutch shaft (2).
an.
Adjust clutch assembly (5, FIGURE 3-60, Sheet 2) as follows:
(1)
Remove two capscrews (30, Sheet 1) and remove instruction plate (29) and gasket (28) from
clutch housing (23).
(2)
With clutch disengaged, turn clutch assembly by turning shaft until adjusting lock pin (47,
Sheet 2) can be reached through instruction plate opening in housing.
3-97
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