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 551 of 1324

UNLOADING - Continued

NOTE

•

LHS OVER LOADindicator may come on when engine is at idle

speed.

•

Steps (5) through (18) require the operator to vary (increase or

decrease) engine speed.

•

When unloading an FRS, engine speed must be at 1500 RPM.

5.

Move joystick (6) to UNLOAD position until hook arm cylinders (7) have fully extended.

Maintain engine speed at idle for approximately the first 18 in. (46 cm) and last 6 in.

(15 cm) of movement.

NOTE

When hook arm cylinders are fully extended and joystick activated, LHS

OVER LOADindicator will illuminate.

6.

Release joystick (6).

CAUTION

•

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

or damage to equipment may result.

•

Ensure parking brake is released before starting the unload

sequence, or damage to equipment may result.

7.

Turn hydraulic selector switch (5) to MAN M.F.

8.

Move joystick (6) to UNLOAD position.

WARNING

When loading or unloading flatracks/FRS on uneven ground (side slope

or downgrades up to 5 degrees), it may be necessary to apply vehicle

service brakes to prevent vehicle rollaway. Failure to comply may result

in injury or death to personnel.

NOTE

If flatrack is extremely light or empty, it may be necessary to set

transmission range selector to D (driver) to allow vehicle to move out from

under flatrack.

TM 9-2320-434-10

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