TM 10-3930-643-10 Section    II.    OPERATOR/CREW PREVENTIVE     MAINTENANCE     CHECKS     AND     SERVICES     (PMCS) 2-18. PREVENTIVE     MAINTENANCE     CHECKS     AND     SERVICES. G E N E R AL Your    Preventive    Mintenance    Checks    and    Services    Table    lists    the    inspections    and care    of    your    equipment    required    to    keep    it    in    good    operating    condition. OPERATOR/CREW PREVENTIVE MAINTENANCE CHECKS AND SERVICES 1. The    number    column    of    your    PMCS    is    the    source    for    the    number    used    on    the    TM Number     Column     on     DA     Form     2407. 2. The     interval     column     of     your     PMCS     Table     tells     you     when     to     do     a     certain     check or    service. a. Before    you    operate. Perform    your    before    (B)    PMCS.    Always    keep    in    mind the    WARNINGS    and    CAUTIONS. b. While    you    operate. Perform     your     during     (D)     PMCS. Always    keep    in    mind the    WARNINGS    and    CAUTIONS. c.    After    you    operate. Be     sure     to     perform     your     after     (A)     PMCS. d. Once    a    week. Perform     your     weekly     (W)     PMCS. Always    keep    in    mind    the WARNINGS     and     CAUTIONS. 3. The    procedure    column    of    your    PMCS    Table    tells    you    how    to    do    the    required checks    and    services.    Carefully    follow    these    instructions.    If    you    do    not    have the    tools,    or    if    the    procedure    tells    you    to,    have    organizational    maintenance    do the    work. 4. If    your    equipment    does    not    perform    as    required ing     section     in     this     manual     for     possible     problems. ,    refer    to    the    troubleshoot- Report     any     malfunctions     or failures     on     the     proper     DA     Form     2404     or     refer     to     DA     Pamphlet     738-750. N O TE The     terms     ready/available     and     mission     capable     refer     to the    same    status: Equipment is on hand and is able to perform     its     combat     missions     (see     DA     Pamphlet     738-750). 5. Equipment    is    NOT    READY/AVAILABLE    IF:    column. This    column    tells    you    when and    why    your    equipment    cannot    be    used. 6. Always     do     your     PMCS     in     the     same     order     so     it     gets     to     be     a     habit. O n ce you’ve    had    some    practice,    you    will    spot    anything    wrong    in    a    hurry. 7. When     you     do     your     PMCS, take    along    a    rag    or    two. 2 - 14