SECTION 8
FINAL DRIVE AND TRANSFER CASE
FIGURE 8-38.
FIGURE 8-37.
shaft end to the mounting
face of
d. Place gasket between the housing and the
cage-dimension "B".
carrier and apply gasket sealer.
(2). Add dimension "A" to dimension "B".
NOTE: Align velocity pump oil hole in the
carrier with the oil hole in the
(3). From the sum of "A" plus "B" subtract
differential housing.
the mounting distance "C" from pinion cage
mounting surface to center line of the bevel
e. Install the carrier with the velocity pump
ring gear. This dimension is stamped on the
and the thrust block.
final drive housing adjacent to themounting
surface (see figures 8-35 and 8-36). The
f. Apply John Crane No. 2 sealer or
difference is the required shim thickness.
equivalent to capscrews and torque them to 85
ft.-tbs. (11.75 kg-m).
(4). Note in.-lb. torque drag on pinion shaft.
8-40. DIFFERENTIAL ADJUSTMENT.
8-39. INSTALLATION OF DIFFERENTIAL AND
into the differential, the drive tires on
CARRIER.
the right side have to be removed also
to gain access to both differential
a. Install the differential in the final drive
adjusting rings. If no parts were
housing (see figure 8-37).
replaced, adjustment can be made with
the adjusting ring on the left hand side
NOTE: Do not install velocity pump and thrust
of the differential.
block if tooth contact is checked with
white lead.
a. Turn the adjusting ring (or rings - see
figure 8-39) until a correct contact pattern is
b. To install the velocity oil pump (see
obtained with a total backlash of .008-.016 in.
figure 8-38) assemble tube to slipper plates
(.203-.406 mm) when measured at point "X" on
with the roll pin. When installing velocity pump
the pinion yoke.
into the differential carrier, make sure that the
face of the slipper plate does not protrude
b. Refer to CHECKING GEAR TEETH CON-
more than 3/32 in. (2.88 mm) beyond the
TACT PATTERN in this section.
carrier (dimension "E") when inserted as far as
c. Tighten the adjusting ring (or rings) and
possible. This assures that the carrier can be
equal amount (see figure 8-39) until there is an
installed into final drive housing without
increase of 2-3 in.-lbs. (.023-.035 kg-m) torque
bottoming the slipper on the carrier.
drag at the pinion shaft over that measured in
paragraph 8-38, step b (4).
c. Install thrust block adjusting nut into
carrier. Secure the thrust block to the adjusting
d. Install cotter pin(s) as shown in figure
nut with grease.
8-40.
8-13.