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 222 of 1616

TM 9-2320-440-13&P

0025-6

0025

RACK LOCKS ENGAGED INDICATOR LIGHT(S) DO NOT OPERATE PROPERLY (CONTINUED)

THAAD0423

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 THAAD control valve harness RACK LOCKS ENGAGED blackout indicator

connector. Turn engine start switch ON (

Check for 22 to 28 vdc

between wire 1993 at RACK LOCKS ENGAGED indicator connector, terminal 1 and a

known good ground, when MRP control station lamp test switch is turned

ON (WP 0004).

If 22 to 28 vdc are not present, go to Step 8.

Step 7.

Turn engine start switch OFF (

Check for continuity across wire

1435 from THAAD control valve harness RACK LOCKS ENGAGED blackout indicator

connector, terminal 2 to a known good ground.

a.

If there is continuity, replace RACK LOCKS ENGAGED blackout

indicator light (WP 0081).

b.

If there is no continuity, repair wire 1435 (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)