TM 5-4320-302-146-20. CRANKSHAFT ASSEMBLY (CONT)Location/ItemActionRemarksIf measurements were taken with new main bearingsupports and a main bearing bracket that was onlyslightly outside tolerance limits, the acceptablemain bearing support tolerance limits may be in-creased to 2.3630 to 2.3663 inches (60.020 to60.103 mm). If measurements are still not withinthese extended tolerance limits, replace the mainbearing bracket.34. Main bearingIf replacement bearing supports are necessary,supportthe following normal and undersizes (oversizedwall thickness) are available:6-180
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