TM 9-2320-365-34-2(4) Measure thickness of five C3 friction plates (4), minimumthickness 0.087 in. (2.210 mm).(5) Lay a straight edge across each C3 friction plate (4),maximum bend in friction plate 0.016 in. (0.406 mm).(6) Perform steps (5) and (6) for five C4 friction plates (5).(7) Inspect eight return springs (6) for broken or missingsprings.(8) Inspect two spring retainers (7) for broken or missingsprings.NOTE• Remove scratches, nicks, or burrs with abrasivecloth.• If any wear plates are replaced, file rivets flushwith face of wear plate.(9) Inspect C3 clutch housing (8) for scratches, nicks, andburrs.(10) Measure thickness of wear plates (9) on backing plate(10) and C4 clutch housing (11), minimum thickness0.111 in. (2.819 mm).21-63
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