TRUCK SERVICE MANUAL
If temporary thin rings used to measure end play were
COMPLETE DRIVE UNIT
.290" each for a total of .580" and the end play is .005",
then .580" plus .005" end play equals .585" (or zero end
Apply non-hardening sealer to gaskets under
stamped cover and threaded inspection hole plug. Apply
sealer to threads of all plugs. Install plugs and tighten
to preload the bearings or a total of .605" thicker split
securely. Lock thru-shaft chamber plug with soft iron
rings. The total of .605" may be divided between the two
rings such as .300" and .305".
B. Assemble yokes and flanges, tighten nuts to specified
F. It should be understood that the .017" to .022"
interference of which we speak is not bearing preload
C. Check flange run out. If run out exceeds .005" total
establish bearing preload torque within the desirable
indicator reading, replace flange.
COMPLETE ASSEMBLY AS FOLLOWS:
Proper lubrication of the axle units is extremely
A. Insert one split ring in carrier leg groove. Move
important. The importance of proper lubrication is
differential assembly over so that face of bearing cup is
increased because of greater tooth and bearing
held tightly against inserted ring. Rings should be
pressures and higher speeds in present day vehicles.
positioned in carrier leg grooves so that split portion will
For this reason we are vitally interested in promoting
locate in center of cap.
maximum service built into the unit. Past experience has
shown that a large portion of service problems can be
traced to improper lubricant or incorrect lubricant
NEW AND RECONDITIONED AXLE SERVICE
The original rear axle lubricant should be drained at the
end of the driveway prior to putting the vehicle in regular
service, or before the maximum of 3,000 miles. Drain
the lubricant initially used in the assembly following
reconditioning at the same interval. Completely drain the
lubricant while the unit is warm. Flush well with clean
flushing oil and thoroughly drain.
Fill axle housings to bottom of level hole with specified
Install opposite split ring by tapping it into the carrier leg
lubricant with the vehicle level. Put an additional 2 U.S.
groove by use of a blunt end drift, tapping on the I.D. of
pints of specified lubricant in the inter-axle differential
ring opposite the split portion.
C. Position the differential bearing caps in place making
sure they are properly aligned.
REGULAR AXLE SERVICE
D. Install carrier leg cap screws and tighten to specified
Refer to Motor Truck Operator's Manual, "Lubrication,"
for recommended service interval. Service the inter-axle
differential housing at the same time and in