CAUTION TM 10-3930-643-10 2-20. OPERATING PROCEDURES.-Continued h. Fork     Carriage     Operation. Do    not    hold    2nd    control    lever    in    any    position    except HOLD,    for    an    extended    length    of    time. Failure    to    follow this    instruction    will    damage    the    hydraulic    system    and affect    forklift    performance. (1)    Lift    control    lever. First     lever     to     the     right     of     the     operator’s     seat. It    has    three    control    positions: RAISE,    HOLD,    and    LOWER. (a)     RAISE. Pull    the    lever    back until    desired    height    is    reached. R e t u rn to     HOLD     is     automatic,     when     the     lever     is released. (b)     HOLD. Lever     automatically returns    to    HOLD    when    released. F o r ks remain    at    the    height    allowed,    when    the lever     is     placed     in     HOLD. ( c )  L O W E R. Push    the    lever forward    until    desired    height    is    reached. Return    to    HOLD    is    automatic,    when    the lever    is    released. (2)    Tilt    control    lever. Second    lever    to    the    right    of    the    operator’s seat. It    has    three    control    positions: TILT    BACK,    HOLD,    and    TILT    FORWARD. (a)    TILT    BACK.    Pull    the    lever back    until    the    desired    upward    tilt    angle is    reached. Return    to    HOLD    is    automa- tic,    when    the    lever    is    released. ( b )      H O L D . Lever     automatically returns    to    HOLD    when    released. F o r ks remain     stationary     at     angle     attained, when     the     lever     is     placed     in     HOLD. (c)    TILT    FORWARD. Push    the lever    forward    until    the    desired    downward tilt    angle    is    reached. Return    to    HOLD is    automatic, when    the    lever    is released. T A 3 2 7 9 39 2-39