TM   10-3930-643-20 PRELIMINARY   PROCEDURES. 3-5. Organizational   Preventive   Maintenance   Checks   and   Services   (PMCS). Organizational   Preventive   Maintenance   Checks   and   Services ITEM TO BE INSPECTED PROCEDURE: CHECK FOR AND HAVE REPAIRED, FILLED, OR ADJUSTED AS NEEDED PERFORM ALL OPERATOR PMCS FIRST Q-Quarterly A-Annually H-Hours Item    Interval No. Q A H Equipment Procedure 7 g PARKING BRAKE Inspect   operation   of   linkage. With   parking   brake   control   in   the OFF   position,    the   linkage   should go   together   with   no   slack   and   no tension. 8 l FUEL TANK Drain   water   from   fuel   tank. Refer   to   paragraph   4-19. 3-9