FILLER/DISCHARGE BUTTERFLY VALVE (Models BA91-141, BA91-140)

TM 10-5430-238-12&P

0008 00

Check for bent or distorted valve stem.

CORRECTIVE ACTION

Replace the valve stem. Torque hex head cap screws, new

lockwashers, and hex nuts assembled to the valve body to 16.0

ft-lb (21.84 Nm). See WP 0019 00.

TROUBLESHOOTING PROCEDURE

FILLER/DISCHARGE BUTTERFLY VALVE (Models BA91-141, BA91-140)

SYMPTOM

Butterfly valve leaks.

MALFUNCTION

Check for bent or binding stem.

CORRECTIVE ACTION

Replace the stem. See WP 0020 00.

Check for damaged sleeve.

CORRECTIVE ACTION

Replace damaged sleeve. See WP 0020 00.

Male and female coupling gaskets leak.

CORRECTIVE ACTION

Replace the gaskets. See WP 0020 00.

Butterfly valve continues to leak.

CORRECTIVE ACTION

Repair or replace the butterfly valve. See WP 0020 00.

TROUBLESHOOTING PROCEDURE

FILLER/DISCHARGE BALL VALVE (Models BA91-141A, BA91-140A))

SYMPTOM

Ball valve leaks.

MALFUNCTION

Ball valve handle sticks and binds. Ball valve will not completely shut off.

CORRECTIVE ACTION

Replace the ball valve. See WP 0021 00.

0008 00-3