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TM 9-2815-226-34-1
(4) After resurfacing is completed, check distance from centerline of main bearing bore to top of block.
(a) Place cylinder block, top down, on surface plate.
(b) Measure distance (dimension A) from each main bearing bore centerline to surface plate. Record
distances.
(c) Minimum distance for any one measurement is 18.994 in. (482.447 mm). Discard block if distance
less than specified.
(d) Note variations between distances. If distances vary more than 0.002 in. (0.050 mm), block can be
further refinished providing no more than 0.010 in. (0.254 mm) of total material is removed.
(e) After additional refinishing (if required), remeasure bore centerline to surface plate. If distance is less
than specified, discard block.
NOTE
If top surface refinished, liner protrusion must be rechecked (para 3-8j).
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