TEST OR INSPECTION
Valve 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.
Open pump house panel A (WP 0539). 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 operates.
If tank fill & re-circulating line valve does not open and close, go to Step 5.