TM-9-2320-434-10

TRUCK, LOAD HANDLING SYSTEM (LHS), 8X8, M1120

TECHNICAL MANUAL; OPERATOR'S MANUAL

JUNE 2009

TM-9-2320-434-10 - Page 458 of 1324

OPERATION - Continued

6.

Set PTO ENGAGE switch (5) to ON position. Indicator light (6) will illuminate.

CAUTION

Engine speed must be at idle before using hydraulic selector switch, or

damage to equipment may result.

7.

Turn hydraulic selector switch (7) to AUTO.

CAUTION

On steep downgrades, contact is possible between the front lift adapter

lower legs and the rear sliders during empty LHS cycles. If contact

appears likely, switch hydraulic selector to MAN H.A. and retract (LOAD)

hook arm a few inches. Return hydraulic selector to AUTO and continue

(UNLOAD) operation. Repeat as required. Failure to comply may result

in damage to equipment.

8.

Move joystick (8) to UNLOAD. Hook arm will raise and begin to move rearward. LHS

NO TRANSIT indicator (9) will illuminate to indicate hook arm is up and load lock has

been cleared.

9.

Continue to hold joystick (8) in UNLOAD position until front lift adapter (10) is

approximately 1 ft. (30 cm) off the ground.

TM 9-2320-434-10

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