TEST OR INSPECTION
Release bumper turret control agent discharge button (WP 0004). Reconnect air line at
bumper turret foam A multi-metering valve cylinder. Disconnect valve control wire
harness bumper turret foam A foam system flow control manifold connector. While an
assistant pushes bumper turret discharge button (WP 0004). With a test lead set,
check for 22 to 28 VDC between valve control wire harness wire 2837 (gray) at bumper
turret foam A foam system flow control manifold, terminal 1, and a known good ground.
If 22 to 28 VDC are not present, repair wire 2837 in valve control wire
harness if repairable (TM 9-2320-325-14&P), or replace valve control wire
harness (WP 0463).