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 252 of 1616

TM 9-2320-440-13&P

0027-6

0027

HOOK ARM DOES NOT LOAD IN MANUAL MODE (CONTINUED)

THAAD0698A

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 6.

Disconnect diode REC3. Turn engine start switch to ON position (engine

OFF) (

Position LHS cab control mode select switch to MAN HOOK

ARM position (WP 0016). Soldier A checks for 22 to 28 vdc between wires 1467A and

1467B at THAAD control valve harness rectifier REC3 connector, terminals 2 and 3 and

a known good ground, while Soldier B holds LHS control joystick in LOAD position.

Note readings.

a.

If 22 to 28 vdc are not present on both wires, notify Supervisor.

b.

If 22 to 28 vdc are present on both wires, perform Step 7 only.

c.

If 22 to 28 vdc are present on one wire, perform Steps 7 through 9.

Step 7.

Turn engine start switch OFF

Check for continuity across THAAD

control valve harness wire 1464 from connector REC3, terminal 4 to connector

HV2-B1, terminal 2.

a.

If there is continuity, replace diode REC3 (WP 0088).

b.

If there is no continuity, repair wire 1464 (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)