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 387 of 1616

TM 9-2320-440-13&P

0039-7

0039

MRP LOCKS DO NOT DISENGAGE (CONTINUED)

THAAD0693

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.

Step 8.

Disconnect diode REC11. 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 1974A and 1974B at THAAD control valve harness rectifier

REC11 connector, 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 12.

b.

If 22 to 28 vdc are present on both wires, perform Step 9 only.

c.

If 22 to 28 vdc are present on one wire, perform Steps 9 through 11.

Step 9.

Turn engine start switch OFF

Check for continuity across THAAD

control valve harness wire 1974 from connector REC11, terminal 4 to connector HV6,

terminal 2.

a.

If there is continuity, replace diode REC11 (WP 0088).

b.

If there is no continuity, repair wire 1974 (TM 9-2320-325-14&P) or

replace THAAD control valve harness (WP 0088).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION