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 367 of 1616

TM 9-2320-440-13&P

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0038

MRP DOES NOT RETRACT (CONTINUED)

THAAD0630A

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 REC13. Turn engine start switch ON (

Position

LHS cab control mode select switch to MRP position (WP 0012). Soldier A checks for

22 to 28 vdc between wires 1972A and 1972B at THAAD control valve harness

connector REC13, terminals 2 and 3 and a known good ground, while Soldier B

presses MRP palm button switch (WP 0007). Note readings.

a.

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

b.

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

c.

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

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

TM 9-2320-347-10)