TEST OR INSPECTION
While an assistant pushes pump operator's panel PUMP PRIME switch (WP 0004),
check for 22 to 28 VDC between pump house wire harness wire 4065 (red) at pump
prime primer valve and a known good ground.
If 22 to 28 VDC are not present, go to Step 53.
Turn battery disconnect switch to OFF position (WP 0007). Disconnect pump house
wire harness wire 4068 (black) from pump prime valve terminal (WP 0267). Check for
continuity across 4068 (black) from wire termination to a known good ground.
If continuity is present, replace pump prime valve (WP 0267).
If continuity is not present, repair 4068 in pump house wire harness if
repairable (TM 9-2320-325-14&P), or replace pump house wire
harness (WP 0458).