TM 9-2320-364-102-324 2-29. LOAD HANDLING SYSTEM (LHS) (CONT).Set engine speed at idle before selecting LHS mode ordamage to equipment may result.NOTEWhen loading or unloading flatrack from dock or bay areapresence of rollers on rear of flatrack will aid inoperation. Procedure can be accomplished usinghydraulic selector switch in AUTO or MAN H.A. andMAN M.F. operation. Refer to Para 2-29d and e formovement of LHS in MANUAL mode.(3)Turn the hydraulic selector switch (2) to MANUAL or AUTO as required.