TM  5-6675-321-14 Table  1-1. OPERATOR   PREVENTIVE   MAINTENANCE   CHECKS   AND   SERVICES   -   Cont B - Before W - Weekly AN   - Annually D - During (Number) - Hundreds of Hours M - Monthly S A - After - Semiannually Q - Quarterly BI  -  Biennially ITEM NO. 1 B/W B B/ D/A ITEM TO BE INSPECTED PROCEDURE VAN   BODY   -   Cont Inspect   Exterior   -   Cont 8. a. b. c. d . e. f  . g . h. Visually   inspect   ground   connections   to   be   sure ground   cable   is   connected   to   terminal   lug   and ground   rod.      If   necessary,   clean: WARNING Electrical   shock   hazard.   Power   cable   must be    deenergized    before    servicing    entry    panel connections.      Death   can   result   from   failure   to observe   these   safety   precautions. Turn   power   off   to   cable.   Disconnect   from   power source. Disconnect   ground   lug   from   ground   rod. Clean   lug,   cable   end,   and   rod   with   wire   brush. Reconnect   ground   cable   lug   to   rod. Disconnect   ground   cable   end   from   entry   panel. Clean   terminal   and   cable   end   with   wire   brush. Reconnect   ground   cable   to   entry   panel. Reconnect   cable   to   power   source.   Turn   power   on. 9. Inspect   boarding   ladders   for: a. Secure    attachment    of    handrails. b.   Steps   not   broken. c . Locking    pins    in    place. 10. Inspect   front   and   rear   van   body   locks   to   be   sure locks    are    fully    engaged. For  Readiness Reporting, Equipment Is Not  Ready/ Available If: Ground connec- tions    are broken or    missing Steps   are broken   or w i l l    n ot l o c k    in place . Lock   dis- engaged. 1-18