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 424 of 1318

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

0058-4

DRAFT

0058

HWT0396

Step 4.

Put cab or pump operator’s panel FOAM SYSTEM switch to ON position (WP 0004).

Check if bumper turret foam metering valve operates to open position.

If bumper turret foam metering valve operates to open position, remove and

clean or replace bumper turret foam metering valve orifice/restrictor

(WP 0173).

Step 5.

Release bumper turret control agent discharge button (WP 0004).

Inspect air line from

air control valve manifold to bumper turret foam metering valve for kinks and/or

damage.

If air lines are kinked or damaged, replace damaged air lines (WP 0374).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION