TM-9-2320-328-13-P-1

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3

MARCH 2009

TM-9-2320-328-13-P-1 - Page 1034 of 1318

TM 9-2320-328-13&P-1

0090-2

DRAFT

0090

HWT0387

Step 1.

Push battery disconnect switch to on position (WP 0007).

If system air pressure is

below 85 psi (586 kPa), start engine and allow system air pressure to build to at least 85

psi (586 kPa) (TM 9-2320-422-10).

Then shut off engine (TM 9-2320-422-10).

Open

pump house panel K (WP 0339).

While an assistant puts pump operator’s panel FOAM

FLUSH switch to ON position (WP 0004), check if foam flush valve operates to open

position.

If foam flush valve does not operate to open position, troubleshoot Foam

System Cannot Be Flushed (WP 0061).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION