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PINION DEPTH MEASUREMENT AND ADJUSTMENT Measurements are taken with pinion bearing cups and pinion bearings installed in the axle housing. (1) Assemble Pinion Height Block 6739, Pinion Block 8542, and rear pinion bearing onto Screw 6741 (2) Insert assembled height gauge components, rear bearing, and screw into axle housing through (3) Install front pinion bearing and Cone-Nut 6740 hand tight (Fig. 75). (4) Place Arbor Disc 8541 on Arbor D-115-3 in posi- tion in axle housing side bearing cradles (Fig. 77). NOTE: Arbor Discs 8541 has different step diame- PINION GEAR DEPTH VARIANCE Original Pinion Gear Depth Variance Replacement Pinion Gear Depth Variance −4 −3 −2 −1 0 +1 +2 +3 +4 +4 +0.008 +0.007 +0.006 +0.005 +0.004 +0.003 +0.002 +0.001 0 +3 +0.007 +0.006 +0.005 +0.004 +0.003 +0.002 +0.001 0 −0.001 +2 +0.006 +0.005 +0.004 +0.003 +0.002 +0.001 0 −0.001 −0.002 +1 +0.005 +0.004 +0.003 +0.002 +0.001 0 −0.001 −0.002 −0.003 0 +0.004 +0.003 +0.002 +0.001 0 −0.001 −0.002 −0.003 −0.004 −1 +0.003 +0.002 +0.001 0 −0.001 −0.002 −0.003 −0.004 −0.005 −2 +0.002 +0.001 0 −0.001 −0.002 −0.003 −0.004 −0.005 −0.006 −3 +0.001 0 −0.001 −0.002 −0.003 −0.004 −0.005 −0.006 −0.007 −4 0 −0.001 −0.002 −0.003 −0.004 −0.005 −0.006 −0.007 −0.008 Fig. 75 Pinion Gear Depth Gauge Tools 1 – DIAL INDICATOR Fig. 76 Pinion Height Block 1 – PINION BLOCK 3 - 94 8 1/4 AND 9 1/4 AXLE DN ADJUSTMENTS (Continued) |