TEST OR INSPECTION
Valve operations must be checked by observing rotation of 7/16 in. hex at end of valve
drive assembly worm gearshaft for Step 4
While an assistant pushes pump operator's panel NO. 1 DRIVER SIDE DISCHARGE
valve control OPEN and CLOSE buttons (WP 0004), check if No. 1 driver side
discharge valve worm gearshaft moves after valve is fully opened or closed.
If No. 1 driver side discharge valve worm gearshaft moves excessively after
valve is fully open and closed, remove and reinstall No. 1 driver side
discharge valve motor (WP 0388), ensuring all mounting hardware is
Push pump operator's panel NO. 1 DRIVER SIDE DISCHARGE valve control
PRESSURE button. Check if dEAd error is in mode indicator lights display.
If dEAd error message is displayed, replace NO. 1 DRIVER SIDE
DISCHARGE valve control (WP 0417).