TM 10-3930-643-10 2-2. INSTRUMENT L e g e nd H y d r a u l ic Low    air    l a. 1. 2. 3. 4. 5. 6. 7. 8. 9. E n g i ne CONSOLE. oil    pressure    warning    light Parking    brake    warning    light Engine     coolant     temperature     warning     light Service    brake    warning    light Torque     converter     temperature     warning     light Ground    driven    steering    warning    light Engine    fan    OFF    light I n d i c a t o r s . (1)    Engine    oil    pressure    warning    light    (1).    When    lighted,    the    engine    oil pressure     is     below     normal. (2)    Parking    brake    warning    light    (2). This    light    will    come    on    when    the parking    brake    is    applied    and    the    starting    switch    is    on.    The    parking    brake    horn will     also     sound. (3)    Engine    coolant    temperature    warning    light    (3).    When    lighted,    the engine    coolant    temperature    is    too    high    for    safe    operation. (4)    Service    brake    warning    light    (4). This    light    will    flash    on    and    off    if the    brake    hydraulic    pressure    is    too    low    for    positive    braking. (5)     Torque     converter     temperature     warning     light     (5).     When     lighted,     the torque    converter    oil    temperature    is    too    high    for    safe    operation. (6)     Ground     driven     steering     warning     light     (6).     When     lighted,     the     ground driven     steering     is     operational,  and     the     vehicle     should     be     safely     parked     as     soon as     possible. (7)    Engine    fan    OFF    light    (7).    When    lighted, operating. (8)    Hydraulic    filter    warning    light    (8).    This flow     through     the     reservoir     filter     is     restricted     due filter. (9)    Low    air    light    (9).    When    lighted,    the    air below    safe    operating    level. 2-4 the     engine     fan     is     not light     will     come     on     if     oil to    cold    oil    or    a    clogged pressure    in    the    system    is

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