Drive outer taper bearing cup against outer taper
d.
Cleaning, Inspection, and Repair.
bearing.
(d) Install idler shaft bearing cap (60)
(1) Clean all parts with an approved
and shims (61). Install bearing cap screws (101) torque
cleaning solvent and dry thoroughly.
screws 47 to 65 ft-lbs. Adjust idler shaft taper bearing by
(2) Inspect all bearing roller, cages and
adding or omitting shims. Check adjustment with dial
cups for wear, chipping or nicks. Replace a defective
indicator. Adjust taper bearings 0.0 to 0.008 and play.
bearing.
(2) Reassembly of 1st and 3d shaft.
(a) Press lot and 3d double taper
NOTE
bearing assembly (87) on 1st and, 3d shaft (86).
Do not replace a bearing one or cup
without replacing the mating cup or
CAUTION
cone also.
These bearings are in matched sets
(3) Perform a magnetic inspection of all
and under no circumstances can any
gears and shafts. Inspect gear teeth for wear, pitting,
of the four (4) parts be changed or
chipping, nicks, cracks or scoring. Replace defective
parts.
mixed up with another bearing.
(4) Inspect shafts for wear and spring for
bent condition and twisted splines. Replace a defective
(b) Position 1st and 3d gear (114) in
shaft
transmission case. Install long gear spacer (88) on shaft
(5) Inspect housing, covers, and bearing
and against taper bearing assembly. Insert shaft into
caps to see that mating surfaces, bearing bores, etc., are
bore of case and through 1st and 3d gear. Push shaft
free from nicks or burrs. Inspect for cracks or breaks.
assembly in case until taper bearing shoulders against
Repair or replace defective parts
locating ring in bore of case. Do not remove shaft
pusher.
Instruction given below on reassembly of components of
(c) On opposite end of shaft install short
transmission are given in the sequence that must be
spacer (91) against 1st and 3d gear. Install roller
followed rebuilding. Principle of operations cited and
bearing (92). Drive bearing in place.
views shown are similar and parallel on all shafts. The
NOTE
various drive shafts are assembled in the following order:
Bearing must be driven in tight.
Step 1. Idler shaft
Check long spacer on shaft. When
Step 2. First and third shaft
spacer can not be turned by hand,
Step 3. Second and fourth shaft
stack up between the front and rear
Step 4. Output shaft
bearing is tight. DO NOT attempt to
Step 5. Reverse shaft
draw bearing up tight with bearing
Step 6. Input shaft
lock nuts. Remove shaft pusher.
(1) Reassembly of idler shaft.
This was left on only to hold shaft
(a) If transmission case was changed,
while installing roller bearing.
install idler bearing cup locating ring. Install oil baffle
(3) Reassembly of 2d and 4th shaft.
(68) in idler bearing bore. This must be done from inside
(a) Press 2d and 4th double taper
the case and flange of the oil baffle must be 1/8" from
bearing assembly (119) on 2d and 4th shaft (120).
the bearing cup locating ring. Install idler shaft inner
cone bearing cup (62) in transmission came.
CAUTION
(b) Press roller bearing (70) on idler
These bearings are in matched sets
shaft (69). Install bearing and shaft in case, opposite
and under no circumstances can any
side of inner bearing cup. On taper bearing end of shaft
of the four (4) parts be changed or
install bearing spacer (66).
mixed with another bearing.
(b) Position 2d and 4th gear (115) in
CAUTION
transmission case with long offset of gear hub toward
This spacer has a taper on the outer
front case (input side). Insert shaft into bore of case and
edge This taper must go toward taper
through 1st and 3d gear. Push shaft assembly in case
bearing. If install wrong, the larger
until taper bearing shoulders against locating in bore of
idler gear sap ring will not seat in ring
case. Do not remove shaft pusher.
groove.
(c) On opposite end of shaft, install long
(c) Install inner taper bearing cone (63)
spacer (118) on shaft and against 2d and 4th gear.
on shaft with large diameter of taper outward. Install
Install short spacer (112) on shaft against
taper bearing cone (64) on shaft with large diameter
inward. Install outer taper bearing cup (65) on idler shaft.
5-22
