TM-5-3805-254-14-P-2
TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)
JUNE 1980
TM-5-3805-254-14-P-2 - Page 28 of 894
TRUCK SERVICE MANUAL
AXLE-REAR
The rear side gear of the inter-axle differential has splines on the I.D.
and engages mating splices of the pinion d
and quill assembly, driving the forward axle.
The front side gear of the differential also has splines on the I.D.
and
engages the mating splines of the thru-shaft that extends through the pinion and quill assembly and drives the rear axle.
Hypoid drive units of the thru-drive type have pinions that are separable from the thru-shafts and are serviced with
the
’ mating gears as matched sets.
We assume no responsibility for gears of these types serviced in any manner other
than matched sets.
The pinion and quill assembly used with the inter-axle differential of the forward hypoid gear
topmounted drive units is serviced as an assembly with matched hypoid gears.
REMOVE AND DISASSEMBLE DRIVE UNIT
REMOVE DRIVE UNIT FROM HOUSING
A. Remove plug from bottom of axle housing and
drain lubricant.
B. Remove the axle shaft stud nuts, lockwashers
and tapered dowels
IMPORTANT:
To loosen the dowels, hold a 1% inch
diameter brass drift against the center of the axle shaft
head, INSIDE THE CIRCULAR DRIVING LUGS.
Strike
the drift a sharp blow with a 5 to 6 pound hammer or
sledge.
A 1% inch diameter brass hammer is an
excellent and safe drift.
CAUTION:
Do not hit the circular driving lugs on the
shaft head this may cause the lugs to shatter and
splinter.
Do not use chisels or wedges to loosen the
shaft or dowels this will damage the hub, shaft and oil
seal
C. Remove the axle shaft from the drive unit and
housing.
D. Disconnect the forward and rear propeller shafts.
E. Remove carrier to housing stud nuts and
washers.
F. Break carrier loose from housing with rawhide
mallet and remove tapered dowels.
Dowels
must be removed.
If necessary back out studs.
G. Pull carrier straight out of housing with chain fall,
boom
or
"A"
frame.
A. small pinch bar may be used to straighten the
carrier in the housing bore.
However, the end
must be rounded to prevent indenting the carrier
flange.
REMOVE AND DISASSEMBLE DIFFERENTIAL
A.
Mount drive unit in suitable repair stand
and cut lock wire.
Remove cap screws and adjusting nut
locks
.
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