T M    10-1930-251-12&P Table    3-1.    OPER.r\T<)R   TROliBLESMOO?‘IN(; (Cont.) 2 . I:UL;l,  FI,OW’ W1l.l.  NO I‘  S’l-OP Wt  IEN  I‘ANK IS  F’l.iLL. Step   I Check  for  operator  control   le\,er   in  ” ON   ”  position. Move  le\,er  to  ”  CI.OSED   ”  position. Step   3. If  malfunction  still  exists: Shut  off   tlo~.   refer  to  Unit  Maintenance. 3.  FLOW  OF  PRODUCT    SI,OWS   DOWN   DIJRING  OPERATION. Step  I. Check  for  leak  in  hose  or  connections. Tighten  connection  or  replace  hose. Step   2. If  malfunction  still  exists: Shut  off  flow.  refer  to  Unit  Maintenance. 4. PRODUCT  LEVEL,    IN   TANK   DROPS   BEFORE   OPERATION. Step   1. Check  -for  operator  control  lever  in  “OPEN”  position. Move  lever  to  “CLOSED”  position. Step   2. Check  bottom  loading  valve  at  bottom  of  tank  for  leaks. Tighten   valve. Step   3. If  problem  still  exists: Refer  to  Unit  Maintenance. 5 . PRODUCT   DISCHARGE   IS   NOT   CLEAN. Step  1. Check  strainer  in  nozzle  for  contamination Clean   nozzle   strainer. Step   2. Check  liquid  in  tank  for  contamination. Drain  a  portion  of  the  liquid  to  remove  contamination  in  bottom  of  tank Step   3. If  problem  still  exists: Refer   to   Unit   Maintenance. Section   III.   OPERATOR   MAINTENANCE   INSTRUCTIONS 3-3. General. Operator  maintenance  on  Low  Profile  Tank  Dispensing  Unit  consists  of  only those  tasks  and  procedures  stated  in  the  Operator  Preventive  Maintenance  Checks  and  Services (PMCS)  Chart.  Refer  to  the  Operator’s  PMCS  Chart  and  perform  all  tasks  outlined  at  the intervals  stated  in  the  chart. 3-2