2-51. BALL VALVES (DRAIN) MAINTENANCE - continued.
c. Position drain ball valve (5) in bracket (6) and Install two lockwashers (8) and screws (7) finger tight.
d. Install handle (2) and nut (l ) on drain ball valve (5).
e. Install tube (3) on adapter (4).
f. Tighten two screws (7).
g. Operate ROWPU (TM 10-161-240-10). Check for leaks and proper operation.