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PART
4-2-REAR AXLE OVERHAUL
4-25
FIG.
55-Removing
Pinion Rear Bearing
Cone
4. Place a protective sleeve (hose)
on the pinion pilot bearing surface.
Press the pinion shaft out of the
pinion front bearing cone
(Fig.
54).
5. Press the pinion shaft out of
the pinion rear bearing cone (Fig. 55).
PARTS REPAIR OR
REPLACEMENT
Clean and inspect all the parts. Be-
fore assembling the carrier, repair or
replace all parts as indicated by the
inspection.
The principal replacement opera-
tions are covered in the following
procedures. All other repair or re-
placement operations are performed
during cleaning and inspection, or
during the assembly in this section.
PILOT BEARING
1. Remove the pilot bearing as
shown in Fig. 56. Drive out the pilot
bearing and the bearing retainer to-
gether.
2. Drive the new bearing in until
it bottoms as shown in Fig. 57.
3. Using the same tool, install a
new pilot bearing retainer with the
concave side up.
PINION BEARING CUPS
Do not remove the p1mon
bearing cups from the retainer
unless the cups are worn or dam-
aged. The flange and pilot of the
retainer are machined during manu-
facture by locating on these cuPS
after they are installed in their bores.
If the cups are worn or damaged,
they should be removed and replaced
as shown in Fig. 58.
Mter the new cups are installed
(Fig. 59), make sure they are seated
FIG.
56 -Removing
Pilot Bearing
in the retainer by trying to insert a
0.0015-inch feeler gauge between
the cup and the bottom of the bore.
Whenever the cups are replaced
the cone and roller assemblies should
also
be
replaced.
PINION BEARING SPACER
INSTALLATION
1. Install the drive pinion rear
bearing cone and roller on the pinion
shaft (Figs. 60 or 61).
Place a new spacer on the pinion
shaft (Fig. 62).
2. Place the bearing retainer on
the pinion shaft, and install the front
Tooi-T62F-4625-A
or 4625 -AC-l and 2
FIG.
57 -Installing Pilot
Bearing
FIG. 58- Removing Pinion
Rear Bearing Cup
FIG. 59 - Installing Pinion
Front Bearing Cup
l.~~~~--
DRIVE
PINION
FIG.
60-
Installing Pinion Rear
Bearing Cone
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