TEST OR INSPECTION
While an assistant puts cab or pump operator's panel FOAM SYSTEM switch to ON
position (WP 0004), check if foam system shutoff valve operates to OPEN position. Put
cab or pump operator's panel FOAM TANK switch to "A" position (WP 0004).
If foam A system shutoff valve does not operate to OPEN position,
troubleshoot Foam Not Delivered When Tank A is Selected (Bumper Turret,
Ground Sweeps, and Manual Metering Controls) (WP 0095).