TM 10-3930-669-34 3-3.  ENGINE/TRANSMISSION ASSEMBLY REPLACEMENT (CONT). NOTE Valve   overlapping   is   when   exhaust valve is about to close and inlet valve is about to open.  Both pushrods will not rotate. (3) As described in Step (2), continue turning engine (6)  to  the  right  until  exhaust  valve  pushrod  (8) overlaps intake valve pushrod (9). (4) Loosen  screw  (10)  and  washer  (11)  on  engine (6). (5) Mount pointer on engine (6) with screw (10) and washer (11). (6) Loosen pointer handle and adjust pointer to middle of two index marks (12) on pulley (7). (7) Using retainer, turn pulley (7) 180 degrees to the right. 3-10