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 407 of 1616

TM 9-2320-440-13&P

0040-5

0040

MRP LOCKS DO NOT ENGAGE (CONTINUED)

THAAD0631B

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 7.

Disconnect diode REC10. 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 1976A and 1976B at THAAD control valve harness

connector REC10, terminals 2 and 3 and a known good ground, while Soldier B

presses MRP palm button switch (WP 0012). Note readings.

a.

If 22 to 28 vdc are not present on both wires, go to Step 11.

b.

If 22 to 28 vdc are present on both wires, perform Step 8 only.

c.

If 22 to 28 vdc are present on one wire, perform Steps 8 through 10.

Step 8.

Turn engine start switch OFF

Check for continuity across THAAD

control valve harness wire 1976 between connector REC10, terminal 4 and connector

HV7, terminal 2.

a.

If there is continuity, replace diode REC10 (WP 0088).

b.

If there is no continuity, repair wire 1976 (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)