TM 10-3930-643-10 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 I t em No. Interval B    D A W 17 Item    To    Be    Inspected Procedure:    Check    and    have    repaired,    filled or    adjusted    as    needed. b. Check     that     transmission     shift levers operate smoothly. AIR     CLEANER With    engine    running,    check    air    cleaner indicator.    Have    serviced    if    red    band    in indicator    window    is    fully    exposed. Equipment     Is     NOT READY/AVAILABLE IF: Levers     stick,     bind, or    do    not    operate. Indicator     window fully    red. T A 3 2 7 9 29 2 - 27