(7) Measure inside diameter of crosshead bore using small bore gage set at 0.4402 in. (11.1810 mm).
(8) If gage enters bore, crosshead must be marked for replacement.
DO NOT USE PLUG GAGE. PLUG GAGE CAN NOT MEASURE OUT-OF-ROUND OF
Check for out-of-round gaging at several points 90 degrees apart the full length of bore.
Mark out-of-round crossheads for replacement.
Check crossheads for excessive wear on rocker lever an d valve stem contact surfaces.
Check adjusting screw and crosshead threads for wear distortion.
Mark screw and/or crosshead for replacement if threads distorted or contact surfaces are excessively worn.