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 342 of 1616

TM 9-2320-440-13&P

0037-4

0037

MRP DOES NOT EXTEND (CONTINUED)

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NOTE

Elevation cylinders may not extend at same rate before they engage MRP. Once first

elevation cylinder engages MRP, second elevation cylinder should extend until it engages

MRP.

Then both elevation cylinders should extend at same rate.

Step 6.

Operate elevation cylinder controls (WP 0007). Check if at least one elevation cylinder

extends when MRP elevation controls are operated (WP 0007). Shut off

engine (

a.

If both cylinders extend when operating MRP, problem is corrected.

b.

If only one elevation cylinder extends, replace nonoperating cylinder

(WP 0139).

c.

If both elevation cylinders do not extend, replace MRP distribution

manifold (WP 0126).

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Step 7.

Remove safety wire from solenoid HV9. Soldier A check for 3,000 psi (20,684 kPa) at

test port TP5, while HV9 bypass valve is pulled out and turned while Soldier B attempts

to extend MRP elevation cylinders (WP 0007). Shut off engine (

If 3,000 psi (20,684 kPa) is not measured, install safety wire on solenoid HV9

and replace MRP control valve (WP 0138).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION