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 1063 of 1318

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

0096-3

DRAFT

0096

Change 1

.

HWT0609

.

Step 5.

Put cab PUMP PTO switch to off position (WP 0004).

Shut off engine

(TM 9-2320-422-10).

Disconnect main wire harness PUMP PTO pressure switch

connector.

With a test lead set, check for 22 to 28 VDC between main wire harness

wire 2700 (red) at PUMP PTO pressure switch connector, terminal A and a known good

ground.

.

If 22 to 28 VDC are not present, go to Step 8.

.

Step 6.

Pull battery disconnect switch to off position (WP 0007).

Disconnect cab instrument

panel wire harness PUMP PTO ENGAGED indicator wire 1677 (white).

With a test lead

set, check for continuity across wire 1677 (white) from main wire harness PUMP PTO

pressure switch connector, terminal B to cab instrument panel wire harness PUMP PTO

ENGAGED indicator wire 1677 connector.

.

If there is continuity, replace PUMP PTO pressure switch (WP 0155).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION