TM 10-3930-643-10 I t em No. Operator/Crew     Preventive     Maintenance     Checks     and     Services NOTE: Within    designated    interval,    these    checks    are    to    be performed    in    the    order    listed. B - B e f o re D - D u r i ng A - A f t er W -    W e e k ly Item    To    Be    Inspected Procedure:    Check    and    have    repaired,    filled or    adjusted    as    needed. f. Engine     oil     pressure     gage     pointer is    in    green    area. g. Voltmeter    pointer    is    in    low    green area    when    start    switch    is    on    RUN    and high    green    area    when    engine    is    running and    start    switch    is    on    RUN. h. Torque     converter     temperature     gage pointer is in green area. i. Engine    coolant    temperature    gage pointer is in green area. j. The    following    warning    lights    are off: Low    air,    hydraulic    filter,    engine fan    off,    engine    oil    pressure, engine     coolant     temperature,     torque converter    temperature,    ground driven    steering. N O TE If    hydraulic    filter    lights    stay    on after     the     oil     has     warmed,     have     the reservoir filter serviced. Equipment    Is    NOT READY/AVAILABLE     IF: Gage    pointer    is    in black    area. Gage    pointer    is erratic    or    in    black area. Gage    pointer    is    in black    area. Gage    pointer    is    in red    area. Any     warning     light is illuminated. 2-22