TM-9-2320-440-13-P

TERMINAL HIGH ALTITUDE AREA DEFENSE (THAAD) CARRIER

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

AUGUST 2010

TM-9-2320-440-13-P - Page 268 of 1616

TM 9-2320-440-13&P

0029-6

0029

LHS AND MRP DO NOT OPERATE (CONTINUED)

THAAD0551

WARNING

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.

NOTE

Due to system redundancy, the valve control signal is required from only one of the VIMs

for proper system operation.

The following steps check the valve control circuit from both

VIMs, to ensure system integrity.

Step 11.

Disconnect diode REC7. Turn engine start switch ON (

Check for

22 to 28 vdc on wires 1462A and 1462B at THAAD control valve harness connector

REC7, terminals 2 and 3 and a known good ground. Note readings.

a.

If 22 to 28 vdc is not present on both wires, go to Step 15.

b.

If 22 to 28 vdc is present on both wires, perform Step 12 only.

c.

If 22 to 28 vdc is present on one wire, perform Steps 12 through 14.

Step 12.

Turn engine start switch OFF (

Check for continuity across THAAD

control valve harness wire 1462 between connector REC7, terminal 4 and connector

HV4, terminal 2.

a.

If there is continuity, replace diode REC7 (WP 0088).

b.

If there is no continuity, repair wire 1462 (TM 9-2320-325-14&P) or

replace THAAD control valve harness (WP 0088).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

TM 9-2320-347-10)

TM 9-2320-347-10)