125
NOTE: All bearings must be installed in the gear
case and the pinion properly installed before pro-
ceeding.
Backlash
NOTE: Always set backlash prior to any other shim-
ming.
1. Install the existing shim or a 0.051-0.055-in. shim on
the gear case side of the ring gear assembly.
GC031A
2. Install the ring gear with shim in the gear case; then
while holding the pinion stationary, rock the ring
gear forward and back to determine if any backlash
exists. If no backlash exists, install a thicker shim
and recheck.
GC036A
3. Install the bearing flange onto the gear case cover
making sure the alignment/locating pin engages the
locating hole in the cover; then make sure the bear-
ing flange is completely seated in the cover.
GC032A
GC033A
4. Install the existing shim or a 0.063 in. shim on the
cover side of the ring gear; then place the assembled
gear case cover onto the gear case and secure with
three cap screws. Tighten evenly using a crisscross
pattern.
GC036B
5. Place the appropriate Backlash Measuring Tool into
the splines of the ring gear and install a dial indicator
making sure it contacts the gauge at a 90° angle and
on the index mark.
GC040
