TM-9-2320-328-13-P-2

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 2 OF 3

MARCH 2009

TM-9-2320-328-13-P-2 - Page 201 of 1390

TM 9-2320-328-13&P-2

0124.1-3

DRAFT

0124.1

Change 1

END OF TASK

HWT3362

WARNING

ICON 3

Remove rings, wristwatches, neck chains, and any other jewelry before working

around vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry

and tools may short across electrical circuits and cause damage to equipment, or

severe burns or electrical shock to personnel.

Step 3.

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

Disconnect SINCGARS

VRCU interface cable from SINCGARS VRCU (TM 11-5820-890-10).

Push battery

disconnect switch to ON position (WP 0007).

With a test lead set, check for 10 to 14

VDC between SINCGARS VRCU interface cable connector, terminal D and a known

good ground.

If 10 to 14 VDC are not present at SINCGARS VRCU interface cable

connector, terminal D, replace SINCGARS VRCU interface cable assembly

(WP 0260).

Step 4.

With a test lead set, check for continuity across SINCGARS VRCU interface cable, from

SINCGARS VRCU interface cable connector, terminal a to a known good ground.

a.

If there is continuity at SINCGARS VRCU interface cable connector,

terminal a, notify Supervisor.

b.

If

there is no continuity at SINCGARS VRCU interface cable

connector, terminal a, replace SINCGARS VRCU interface cable

assembly (WP 0260).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION