TM 10-3930-669-34 (19) Position  spacer  (34)  and  bearing  (30)  on bearing (35) and flange (25). (20) Using a depth gauge, measure the distance from the outside edge of bearing (35)  to  the  outside  edge  of  bearing  (30). Record this measurement as Distance B. (21) Subtract  Distance  B  from  Distance  A  to determine   the   shim   thickness   required. Record this difference as Distance C. (22) Using a micrometer to measure each shim (33), add shims together until the combined  thickness  equals  Distance  C  ± .004-.005 in. (±0.10-0.12 mm). NOTE Use    pinion    shaft    spacer    to    direct force    of    press    on    inner    race    of bearing during installation. (23) Using press, gear puller, and spacer (34), install bearing (35) on pinion shaft (24). 10-23

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