SECTION 7
TRANSMISSION
d. Install new o-ring in I.D. of bronze rotating part of
seal (see figure 7-66).
e. Wrap a piece of plastic around the drive shaft and
slide the rotating bronze part over the shaft making sure It
is sealed. Do not press on seal surface (see figure 7-67).
f. Install stationary seal and retainer into place and
press the retainer in so the snap ring groove is open (see
g. Close the snap ring with pliers. Install snap ring
FIGURE 7-68.
with tapered edge out.
h. For ease of installation, start snap ring in groove
with the side opposite the snap ring holes (see figure 7-69).
7-198. REMOVAL OF DRIVE DRUM.
a. Complete the hydrostatic motor removal procedure
presented in paragraph 7-179 (Sundstrand). Remove the
drive shaft from the center of the drum (see figure 7-70).
b. Support the frame on both sides at the rear of the
unit. Block the unit at the front and rear of the guide roll to
prevent movement.
WARNING:
The brake assembly will be removed prior
to drum removal. Block the machine
FIGURE 7-69.
safety to prevent movement.
c. Complete brake assembly removal
procedure
presented in Section 10, paragraph 10.
d. Drain the final drive lubricant (refer to Section 4).
e. Remove the flange anchor capscrews. Before
removing the hub capscrews, pull the anchor flange using
the puller holes provided and appropriate capscrews. At
the same time pry between the right side frame and drum
moving the motor housing out of the side frame pilot (see
f. Remove the hub (12 point) capscrews (C350B only)
from the anchor flange and remove the flange from the
drive drum. Then remove the brakeshaft outer snap ring
(C350B only). Push brakeshaft in so that it will clear the
frame for drum removal (see figure 7-72).
FIGURE 7-70.
g. Carefully lift the drive drum from the unit. An
alternate procedure is to remove the scraper beam at the
rear of the unit and roll the drive
7-43.
