TEST OR INSPECTION
Do not engage water pump engine during this procedure. Valve operations can be
checked without water pump operation.
Valve motor operation can be checked either by noting vibration of valve assembly, or by
observing rotation of 7/16 in. hex at end of valve drive assembly worm gearshaft.
Turn battery disconnect switch to ON position (WP 0007). While an assistant pushes
pump operator's panel TANK FILL & RE-CIRCULATING LINE valve control OPEN and
CLOSE buttons (WP 0004), check if TANK FILL & RE-CIRCULATING LINE valve
control yellow THROTTLED indicator illuminates and tank fill & re-circulating line valve
If indicator illuminates and valve motor operates, replace tank fill &
re-circulating line valve drive assembly (WP 0388).