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 196 of 1390

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

0124-4

DRAFT

0124

HWT1697

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 5.

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

Disconnect SINCGARS power

cable J1 connector from mounting base (TM 11-5280-890-10).

Push battery disconnect

switch to on position (WP 0007).

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

SINCGARS power cable assembly J1 connector, terminals A and B and a known good

ground.

a.

If 22 to 28 VDC are present at both terminals, replace mounting

base (WP 0272).

b.

If 22 to 28 VDC are not present at either terminal, replace SINCGARS

power cable assembly (WP 0260).

Step 6.

With a test lead set, check for continuity across SINCGARS radio power cable ground

wire, from SINCGARS power cable assembly J1 connector, terminals C and D to a

known good ground.

a.

If there is continuity at both terminals, replace mounting

base (WP 0272).

b.

If there is no continuity at either terminal, replace SINCGARS power

cable assembly (WP 0260).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION