Checking adjustment

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Checking deviation (tolerance) "r "

Install pinion shaft with appropriate measured shims "S₃ " and "S₄ ".
Turn pinion shaft 5 turns in each direction so that taper roller bearings seat properly.

Fig 1: Turning Measuring Mandrel Until Dial Gauge Plunger Tip Touches End Gauge On Pinion Shaft Head And Measure Maximum Runout

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Insert universal measuring tool and check adjustment.
Read off dial gauge counter-clockwise (red scale).

If shims have been correctly selected, the deviation "r" (marked on outer circumference of crown wheel) should be indicated within a tolerance of ± 0.04 mm.