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 258 of 1616

TM 9-2320-440-13&P

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HOOK ARM DOES NOT UNLOAD IN MANUAL MODE (CONTINUED)

THAAD0700A

WARNING

The THAAD hydraulic system operates up to 3,100 psi (21,374 kPa).

Never

disconnect any hydraulic line or fitting without first dropping system pressure to

zero.

Failure to comply may result in serious injury or death to personnel.

CAUTION

Engine speed must be at idle before using hydraulic select switch.

Failure to

comply may result in damage to equipment.

Step 4.

Disconnect hose 2892 from fitting at rear of main frame. Install pressure gage with tee

fitting between hose 2892 and main frame bulkhead fitting. Start

engine (

While Soldier A attempts to unload hook arm using

emergency procedure (WP 0016), Soldier B checks pressure gage and notes reading.

Shut off engine (

Remove pressure gage and tee fitting. Install

hose 2892 (WP 0119).

If 3,100 psi (21, 374 kPa) are not present, replace directional control valve

(WP 0125).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION