C3, TM 9-2320-211-20
(4) Connect front propeller shaft front universal
joint to yoke on power divider winch output shaft (para
2-323. Rear Propeller Shaft.
a. Removal.
(1) Remove crane base plate from vehicle.
procedures to remove rear propeller shaft.
b. Installation.
procedures to install rear propeller shaft.
(2) Install crane base plate to vehicle.
a. Removal.
(1) Disconnect front propeller shaft rear universal
joint from slip yoke on front (splined) end of rear
propeller shaft (para 2-179).
M62, M543, M543A1, and M543A2.
shaft (fig. 2-273).
b. Installation.
(1) Loosen nuts securing bearing assembly (fig.
pillow block to underside of base plate, and remove
2-272) to mounting bracket.
spacing washers from between base plate and pillow
block.
pull ends of chain together, and install link pin. Install a
(4) Loosen setscrew securing pillow block bearing
cotter pin in end of the link pin.
inner race to rear propeller shaft, slide pillow block
(3) Tighten nuts on bearing assembly mounting
forward, and remove it from shaft.
studs and bolts to 50-60 lb-ft torque.
b. lnstallation.
(4) Check drive chain for proper tension (-inch
deflection at midpoint between drive sprocket and driven
end of rear propeller shaft, and aline mounting holes with
sprocket).
holes in underside of base plate.
(5) If necessary, remove bearing assembly, and add
(2) Place spacing washers between pillow block and
or remove spacing shims until proper chain tension is
base plate, and secure pillow block to underside of base
obtained.
plate with two capscrews.
(6) Position chain guard on floor plate, and secure it
(3) Tighten setscrew in pillow block bearing inner
with two capscrews, lockwashers, and nuts.
race securing race to the shaft.
2-326. Shearpin (Fig. 2-272).
a. Removal.
shaft. Connect front propeller shaft rear universal joint to
(1) Turn driven sprocket on winch drive shaft.
slip yoke (para 2-179).
(2) Aline shearpin holes in sprocket hub and shaft,
and drive broken part of shearpin out of drive shaft.
a. Removal.
CAUTION
Never substitute rivets, pins, or bolts in place
securing chain guard to floor plate.
of the proper shearpin.
(2) Operate winch, turning the drum in small
b. Installation.
increments, until master link in chain is visible.
(1) Insert a new shearpin through alined sprocket
(3) Remove cotter pin and link pin from master link,
hub and drive shaft holes.
and separate ends of chain. Remove chain from
(2) Install a cotter pin in end of shearpin.
sprockets.
