Section II. REPAIR OF FRONT AXLE ASSEMBLY

(7) Inspect the separator plate, valve body and

solvent. Dry with compressed air. Blow out all the

valve cover for cracks, chips, nicks, dents and other

passages in the valve body.

damage. Repair or replace as required.

(2) Perform general inspection procedures.

d. Reassembly. Assemble the valve in the

(3) Inspect the valve plungers and spools for

reverse order of disassembly. Lubricate parts

scoring and wear, Remove surface blemishes with a

lightly with transmission oil before assembling.

soft hone or crocus cloth. Replace if wear is ex-

Ensure that plungers and spools operate freely.

cessive.

Install the stops at the selector valve plunger and

(4) Inspect springs for cracks or weakness.

the inching valve plunger so that the angled edges

Replace if necessary.

face the back of the valve body.

( 5 ) I n s p e c t s p r i n g retainers for damage.

e. Installation. Install the valve by reversing the

Replace as required.

removal procedure.

( 6 ) I n s p e c t t h e d e t e n t b a l l f o r f l a ts p o t s .

Smooth surfaces or replace.

Section II. REPAIR OF FRONT AXLE ASSEMBLY

ferential carrier is mounted at the center of the

4-5. General

drive unit housing. Final reduction is obtained

The front (drivel axle assembly is a double

through an internal tooth ring gear (bull gear)

reduction, spiral bevel and internal gear drive. The

inside the drive wheel, in addition to the usual

drive wheels, bevel drive pinion, and differential

reduction at the differential pinion and ring gear.

assembly are supported by tapered roller bearings.

Figure 4-13 shows a cutaway view of the front axle

The axle drive shafts (jack shafts), which are used

assembly.

only for torque transfer and carry no weight, are

supported by double thrust bearings. The dif-

ME 3930-624-34/4-13

Figure 4-13. Front axle assembly, cutaway view.

4-11