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 339 of 1318

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

0050-3

DRAFT

0050

HWT2846A

NOTE

Inlet pressure can be observed at pressure governor control, Pump Intake Pressure

display (WP 0017).

When pumping from onboard water tank (WP 0019) or draft

(WP 0018), pressure governor should indicate vacuum up to -30 in. Hg (76.2 cm Hg),

when pumping from DRIVER SIDE AUX. INLET or PASSENGER SIDE AUX. INLET from

hydrant or in relay (WP 0020), discharge pressure should indicate up to 300 psi

(2,069 kPa).

Step 4.

If pumping from onboard water tank (WP 0019) or auxiliary inlets (WP 0020), check if

main inlet cap is tight and free from damage.

If main inlet cap is loose or damaged, tighten loose or replace damaged

main inlet cap (WP 0339).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION