MAINTENANCE MANUAL - Meritor

Prepare Parts for Assembly• DIFFERENTIAL PINION SHAFT Figure 3.7.• Teeth and splines of both differential sidegears• Teeth and bore of all differential pinions1 - SPALLING AND FLAKINGFigure 3.5CAUTIONdrive pinion and ring gear ARE machinedas a matched set. When you replaceeither a drive pinion or a ringgear, you must replace both partsas a matched set. Do not mix old andnew parts. Damage to componentscan result.1 - CASE HALVES2 - PINION AND THRUST WASHER3 - SIDE GEAR AND THRUST WASHER4 - DIFFERENTIAL PINION SHAFTFigure 3.62. Inspect pinions and gears for wear or damage.Replace gears that are worn or damaged.CAUTIONA thrust washer, differential sidegear and pinion gear are machinedas a matched set. When you replaceany of these parts, you mustinstall a new matched set. Do notmix old and new parts. Damaged tocomponents can result.1 - CASE HALVES2 - PINION AND THRUST WASHER3 - SIDE GEAR AND THRUST WASHER4 - DIFFERENTIAL PINION SHAFT3. Inspect the following main differential assemblyparts for wear or stress. Replace partsthat are damaged. Figure 3.6 and 3.7.• Inside surfaces of both case halves• Both surfaces of all thrust washers• The differential pinion shaft Figure 3.6.4. Inspect axle shafts for wear and cracks atthe flange, shaft and splines. Replace theaxle shafts, if required.MAINTENANCE MANUAL15