TEST OR INSPECTION
Do not engage water pump engine during this procedure. Valve operations can be
checked without water pump operations.
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.
Do not remove cap from PASSENGER SIDE AUX. INLET. Water may be released from
the system when valve is operated.
Turn battery disconnect switch to ON position (WP 0007). While an assistant pushes
pump operator's panel PASSENGER SIDE AUX. INLET valve control OPEN and
CLOSE buttons (WP 0004), check if PASSENGER SIDE AUX. INLET valve control
THROTTLED (yellow) indicator illuminates and passenger side auxiliary inlet valve
If indicator illuminates and valve motor operates, replace passenger side
auxiliary inlet valve drive assembly (WP 0388).